diff --git a/book/source/diag/Components_of_an_OpenPGP_Certificate.svg b/book/source/diag/Components_of_an_OpenPGP_Certificate.svg
index 3bc7d20..0b48365 100644
--- a/book/source/diag/Components_of_an_OpenPGP_Certificate.svg
+++ b/book/source/diag/Components_of_an_OpenPGP_Certificate.svg
@@ -86,18 +86,18 @@
      inkscape:pagecheckerboard="0"
      inkscape:deskcolor="#d1d1d1"
      inkscape:lockguides="false"
-     inkscape:zoom="0.35355339"
-     inkscape:cx="885.29769"
-     inkscape:cy="637.81032"
+     inkscape:zoom="2"
+     inkscape:cx="2755.25"
+     inkscape:cy="-1707.25"
      inkscape:window-width="2560"
      inkscape:window-height="1371"
      inkscape:window-x="0"
      inkscape:window-y="314"
      inkscape:window-maximized="1"
-     inkscape:current-layer="layer11"
+     inkscape:current-layer="layer31"
      showgrid="false"
      inkscape:export-bgcolor="#ffffff00"
-     showguides="false"><inkscape:page
+     showguides="true"><inkscape:page
        x="0"
        y="0"
        width="672.46094"
@@ -105,17 +105,9 @@
        id="page39"
        margin="0"
        bleed="0"
-       inkscape:export-filename="OpenPGP_Certificate.svg"
+       inkscape:export-filename="Components_of_an_OpenPGP_Certificate.png"
        inkscape:export-xdpi="94.510002"
        inkscape:export-ydpi="94.510002" /><sodipodi:guide
-       position="1666.8717,-3606.1048"
-       orientation="1,0"
-       id="guide358"
-       inkscape:locked="false" /><sodipodi:guide
-       position="1679.5121,-3615.5078"
-       orientation="1,0"
-       id="guide359"
-       inkscape:locked="false" /><sodipodi:guide
        position="1666.5245,-3558.6603"
        orientation="0,-1"
        id="guide360"
@@ -124,7 +116,7 @@
        orientation="0,659.35662"
        id="guide361"
        inkscape:locked="false" /><sodipodi:guide
-       position="2169.6233,-3373.2651"
+       position="2330.6952,863.81471"
        orientation="943.88005,0"
        id="guide362"
        inkscape:locked="false" /><sodipodi:guide
@@ -140,10 +132,6 @@
        orientation="0,659.35662"
        id="guide365"
        inkscape:locked="false" /><sodipodi:guide
-       position="2169.6233,-3373.2651"
-       orientation="943.88005,0"
-       id="guide366"
-       inkscape:locked="false" /><sodipodi:guide
        position="2169.6233,-4317.1451"
        orientation="0,-659.35662"
        id="guide367"
@@ -314,43 +302,9 @@
            id="path71-5-7"
            sodipodi:nodetypes="ccc"
            transform="matrix(0.93036515,0,0,0.92907745,62.682252,0.72538386)" /></g><g
-         id="g46-9-5-3-4-6-3"
-         inkscape:label="User ID "
-         transform="matrix(0.9206818,0,0,0.9206818,101.2843,-1924.8291)"
-         style="display:inline"><path
-           id="rect2-8-6-9-0-81-3-3"
-           style="fill:none;stroke:#3e4349;stroke-width:4;stroke-linecap:round;stroke-linejoin:round;paint-order:markers fill stroke"
-           d="m 1452.2623,563.67013 h -195.2774 c -7.774,-2e-5 -14.076,-6.30207 -14.076,-14.07603 v -70.73162"
-           sodipodi:nodetypes="cccc" /><path
-           id="rect2-8-6-9-9-3-2-8-3"
-           style="fill:none;stroke:#3e4349;stroke-width:4;stroke-linecap:round;stroke-linejoin:round;paint-order:markers fill stroke"
-           d="m 1330.4087,456.01319 h 127.2774 c 7.774,2e-5 14.076,6.30207 14.076,14.07603 v 36.73162"
-           sodipodi:nodetypes="cccc" /><g
-           id="text11-6-8-0-3-7-9-3-5-8"
-           style="font-size:16px;line-height:21.3333px;font-family:Sans;-inkscape-font-specification:'Sans, @wght=500';font-variation-settings:'wght' 500;fill:#3e4349;stroke-width:3.5;stroke-linecap:round;stroke-linejoin:round;paint-order:markers fill stroke"
-           aria-label="Alice Adams &#10;&lt;alice@example.org&gt;"
-           transform="matrix(1.2481498,0,0,1.2481498,-305.65207,-121.7642)" /><path
-           style="font-weight:500;font-size:21.3333px;font-family:Montserrat;-inkscape-font-specification:'Montserrat Medium';font-variation-settings:'wght' 500;fill:#3e4349;stroke-width:3.5;stroke-linecap:round;stroke-linejoin:round;paint-order:markers fill stroke"
-           d="m 1379.9024,493.22389 c 3.9466,0 6.3146,-2.28266 6.3146,-6.61332 v -8.49066 h -2.0693 v 8.40532 c 0,3.30666 -1.536,4.8 -4.224,4.8 -2.688,0 -4.2027,-1.49334 -4.2027,-4.8 v -8.40532 h -2.1333 v 8.49066 c 0,4.33066 2.3893,6.61332 6.3147,6.61332 z m 13.6319,-0.0427 c 3.008,0 4.8854,-1.30133 4.8854,-3.34933 0,-4.39466 -7.168,-2.21866 -7.168,-4.88532 0,-0.896 0.8746,-1.55733 2.6666,-1.55733 1.1094,0 2.24,0.23466 3.264,0.896 l 0.8747,-1.62133 c -0.9813,-0.64 -2.6453,-1.024 -4.1173,-1.024 -2.9013,0 -4.7147,1.36533 -4.7147,3.39199 0,4.50133 7.1467,2.304 7.1467,4.84266 0,0.96 -0.7894,1.536 -2.688,1.536 -1.472,0 -3.008,-0.49067 -3.968,-1.17333 l -0.8533,1.62133 c 0.9386,0.74666 2.7946,1.32266 4.6719,1.32266 z m 17.664,-5.71732 c 0,-3.47733 -2.3253,-5.82399 -5.5893,-5.82399 -3.264,0 -5.6747,2.41066 -5.6747,5.75999 0,3.37066 2.432,5.78132 6.08,5.78132 1.8773,0 3.4347,-0.64 4.4587,-1.83466 l -1.1307,-1.32267 c -0.832,0.91734 -1.9413,1.36534 -3.264,1.36534 -2.24,0 -3.84,-1.32267 -4.096,-3.30667 h 9.1733 c 0.021,-0.192 0.043,-0.448 0.043,-0.61866 z m -5.5893,-4.096 c 1.984,0 3.4133,1.344 3.6266,3.24267 h -7.2533 c 0.2134,-1.92 1.664,-3.24267 3.6267,-3.24267 z m 10.3893,-1.62133 h -1.9627 v 11.30665 h 2.048 v -5.63199 c 0,-2.47466 1.3654,-3.81866 3.5627,-3.81866 0.1493,0 0.2986,0 0.4693,0.0213 v -1.98399 c -1.984,0 -3.392,0.68266 -4.1173,2.00533 z m 14.9546,11.30665 v -14.93331 h -2.1333 v 14.93331 z m 10.7733,0 c 4.8,0 8.064,-3.02933 8.064,-7.46665 0,-4.43733 -3.264,-7.46666 -8.064,-7.46666 h -6.2933 v 14.93331 z m -4.16,-13.07731 h 4.032 c 3.6907,0 6.0587,2.26133 6.0587,5.61066 0,3.34933 -2.368,5.61066 -6.0587,5.61066 h -4.032 z"
-           id="text11-2-1-1-8-3-4-8-1-4"
-           aria-label="User ID" /><path
-           style="font-weight:500;font-size:14.6349px;font-family:Montserrat;-inkscape-font-specification:'Montserrat Medium';font-variation-settings:'wght' 500;fill:#3e4349;stroke-width:2.89174;stroke-linecap:round;stroke-linejoin:round;paint-order:markers fill stroke"
-           d="m 1245.3116,543.47406 c 3.2929,0 5.532,-2.07816 5.532,-5.12221 0,-3.04406 -2.2391,-5.12222 -5.532,-5.12222 h -4.3173 v 10.24443 z m -2.8538,-8.97119 h 2.766 c 2.5318,0 4.1563,1.5513 4.1563,3.84898 0,2.29767 -1.6245,3.84897 -4.1563,3.84897 h -2.766 z m 11.7665,1.21469 h -1.3465 v 7.7565 h 1.405 v -3.86361 c 0,-1.69765 0.9366,-2.61965 2.444,-2.61965 0.1025,0 0.2049,0 0.322,0.0146 v -1.36104 c -1.3611,0 -2.327,0.46832 -2.8245,1.37568 z m 4.8441,7.84431 c 0.5269,0 0.9659,-0.42441 0.9659,-1.00981 0,-0.58539 -0.439,-0.99517 -0.9659,-0.99517 -0.5415,0 -0.9952,0.40978 -0.9952,0.99517 0,0.5854 0.4537,1.00981 0.9952,1.00981 z m 16.3179,-0.0878 -4.6539,-10.24443 h -1.4489 l -4.6392,10.24443 h 1.5074 l 1.1269,-2.56111 h 5.4441 l 1.1269,2.56111 z m -5.3856,-8.75167 2.2098,5.01977 h -4.4197 z m 8.1077,8.75167 v -10.8591 h -1.405 v 10.8591 z m 3.3806,-9.24926 c 0.5562,0 0.9513,-0.40977 0.9513,-0.93663 0,-0.49759 -0.4098,-0.89273 -0.9513,-0.89273 -0.5414,0 -0.9512,0.40978 -0.9512,0.922 0,0.51222 0.4098,0.90736 0.9512,0.90736 z m 0.7025,9.24926 v -7.7565 h -1.4049 v 7.7565 z m 6.0589,0.0878 c 1.3903,0 2.5464,-0.5854 3.1611,-1.66838 l -1.0683,-0.6732 c -0.4976,0.76101 -1.2587,1.11225 -2.1075,1.11225 -1.522,0 -2.6635,-1.05371 -2.6635,-2.73673 0,-1.65374 1.1415,-2.72209 2.6635,-2.72209 0.8488,0 1.6099,0.35124 2.1075,1.11225 l 1.0683,-0.68784 c -0.6147,-1.08298 -1.7708,-1.65374 -3.1611,-1.65374 -2.3855,0 -4.0978,1.63911 -4.0978,3.95142 0,2.31232 1.7123,3.96606 4.0978,3.96606 z m 11.8689,-3.92215 c 0,-2.38549 -1.5952,-3.99533 -3.8344,-3.99533 -2.2391,0 -3.8929,1.65374 -3.8929,3.95142 0,2.31232 1.6684,3.96606 4.171,3.96606 1.2879,0 2.3562,-0.43905 3.0587,-1.2586 l -0.7757,-0.90737 c -0.5707,0.6293 -1.3318,0.93664 -2.2391,0.93664 -1.5367,0 -2.6343,-0.90737 -2.8099,-2.26841 h 6.293 c 0.015,-0.13172 0.029,-0.30733 0.029,-0.42441 z m -3.8344,-2.8099 c 1.3611,0 2.3416,0.92199 2.4879,2.2245 h -4.9758 c 0.1463,-1.31714 1.1415,-2.2245 2.4879,-2.2245 z m 19.1132,6.64424 -4.6539,-10.24443 h -1.4489 l -4.6392,10.24443 h 1.5074 l 1.1268,-2.56111 h 5.4442 l 1.1269,2.56111 z m -5.3857,-8.75167 2.2099,5.01977 h -4.4197 z m 12.5422,2.16597 c -0.644,-0.83419 -1.6099,-1.24397 -2.7075,-1.24397 -2.2684,0 -3.9222,1.58057 -3.9222,3.95142 0,2.37086 1.6538,3.96606 3.9222,3.96606 1.1415,0 2.1367,-0.43905 2.766,-1.31714 v 1.22933 h 1.3464 v -10.8591 h -1.4049 z m -2.5904,5.44418 c -1.4928,0 -2.6197,-1.08298 -2.6197,-2.73673 0,-1.65374 1.1269,-2.72209 2.6197,-2.72209 1.4781,0 2.605,1.06835 2.605,2.72209 0,1.65375 -1.1269,2.73673 -2.605,2.73673 z m 9.4834,-6.68815 c -1.244,0 -2.4001,0.35124 -3.2051,0.99517 l 0.5854,1.05371 c 0.6001,-0.51222 1.5367,-0.83418 2.4587,-0.83418 1.3903,0 2.0782,0.68784 2.0782,1.87326 v 0.27807 h -2.2245 c -2.3124,0 -3.1173,1.02444 -3.1173,2.26841 0,1.34641 1.1123,2.28304 2.8685,2.28304 1.2147,0 2.0781,-0.40978 2.5464,-1.11225 v 1.02444 h 1.3318 v -4.68317 c 0,-2.12206 -1.2001,-3.1465 -3.3221,-3.1465 z m -0.322,6.8345 c -1.0683,0 -1.7123,-0.48295 -1.7123,-1.2586 0,-0.65858 0.3952,-1.20007 1.7855,-1.20007 h 2.166 v 1.08299 c -0.3513,0.89273 -1.1855,1.37568 -2.2392,1.37568 z m 15.9521,-6.8345 c -1.3172,0 -2.4002,0.55612 -2.9856,1.43422 -0.5122,-0.9659 -1.5074,-1.43422 -2.6928,-1.43422 -1.1708,0 -2.122,0.43905 -2.6782,1.22933 v -1.15616 h -1.3464 v 7.7565 h 1.405 v -3.99533 c 0,-1.68301 0.922,-2.57574 2.3269,-2.57574 1.2732,0 2.005,0.74638 2.005,2.26841 v 4.30266 h 1.4049 v -3.99533 c 0,-1.68301 0.922,-2.57574 2.327,-2.57574 1.2732,0 2.005,0.74638 2.005,2.26841 v 4.30266 h 1.4049 v -4.46364 c 0,-2.28305 -1.2878,-3.36603 -3.1757,-3.36603 z m 7.9906,7.91748 c 2.0635,0 3.3514,-0.89273 3.3514,-2.29768 0,-3.01479 -4.9173,-1.52203 -4.9173,-3.35139 0,-0.61467 0.6,-1.06835 1.8293,-1.06835 0.761,0 1.5367,0.16098 2.2392,0.61467 l 0.6,-1.11226 c -0.6732,-0.43904 -1.8147,-0.70247 -2.8245,-0.70247 -1.9904,0 -3.2344,0.93663 -3.2344,2.32695 0,3.08796 4.9027,1.58057 4.9027,3.32212 0,0.65857 -0.5415,1.05371 -1.844,1.05371 -1.0098,0 -2.0635,-0.3366 -2.7221,-0.80492 l -0.5853,1.11226 c 0.6439,0.51222 1.9171,0.90736 3.205,0.90736 z"
-           id="text11-9-5-39"
-           transform="matrix(1.0869041,0,0,1.0853996,-87.817629,-61.667207)"
-           aria-label="Dr. Alice Adams" /><path
-           style="font-weight:500;font-size:14.7322px;font-family:Montserrat;-inkscape-font-specification:'Montserrat Medium';font-variation-settings:'wght' 500;fill:#3e4349;stroke-width:2.91095;stroke-linecap:round;stroke-linejoin:round;paint-order:markers fill stroke"
-           d="m 1240.9943,555.86723 v 1.26697 l 6.6,2.6076 v -1.22278 l -5.2299,-2.01831 5.2299,-2.01831 v -1.22277 z m 11.771,-2.09197 c -1.2522,0 -2.4161,0.35357 -3.2264,1.00179 l 0.5893,1.06071 c 0.6041,-0.51562 1.5469,-0.83973 2.475,-0.83973 1.3996,0 2.092,0.69241 2.092,1.88572 v 0.27991 h -2.2393 c -2.3277,0 -3.1379,1.03126 -3.1379,2.28349 0,1.35536 1.1196,2.29823 2.8875,2.29823 1.2227,0 2.0919,-0.41251 2.5634,-1.11965 v 1.03125 h 1.3406 v -4.7143 c 0,-2.13617 -1.208,-3.16742 -3.3442,-3.16742 z m -0.3241,6.87993 c -1.0755,0 -1.7237,-0.48616 -1.7237,-1.26697 0,-0.66295 0.3978,-1.20804 1.7974,-1.20804 h 2.1803 v 1.09019 c -0.3536,0.89866 -1.1933,1.38482 -2.254,1.38482 z m 12.2424,-5.6277 c -0.6482,-0.83973 -1.6205,-1.25223 -2.7254,-1.25223 -2.2835,0 -3.9482,1.59107 -3.9482,3.97769 0,2.38662 1.6647,3.99243 3.9482,3.99243 1.1491,0 2.1509,-0.44197 2.7844,-1.3259 v 1.2375 h 1.3553 v -10.93129 h -1.4143 z m -2.6076,5.48038 c -1.5026,0 -2.637,-1.09018 -2.637,-2.75492 0,-1.66474 1.1344,-2.74019 2.637,-2.74019 1.488,0 2.6224,1.07545 2.6224,2.74019 0,1.66474 -1.1344,2.75492 -2.6224,2.75492 z m 9.5465,-6.73261 c -1.2522,0 -2.4161,0.35357 -3.2264,1.00179 l 0.5893,1.06071 c 0.6041,-0.51562 1.5469,-0.83973 2.475,-0.83973 1.3996,0 2.092,0.69241 2.092,1.88572 v 0.27991 h -2.2393 c -2.3277,0 -3.1379,1.03126 -3.1379,2.28349 0,1.35536 1.1196,2.29823 2.8875,2.29823 1.2227,0 2.0919,-0.41251 2.5634,-1.11965 v 1.03125 h 1.3406 v -4.7143 c 0,-2.13617 -1.208,-3.16742 -3.3442,-3.16742 z m -0.3241,6.87993 c -1.0755,0 -1.7237,-0.48616 -1.7237,-1.26697 0,-0.66295 0.3978,-1.20804 1.7973,-1.20804 h 2.1804 v 1.09019 c -0.3536,0.89866 -1.1933,1.38482 -2.254,1.38482 z m 16.0581,-6.87993 c -1.3259,0 -2.4161,0.55982 -3.0054,1.44375 -0.5156,-0.97232 -1.5174,-1.44375 -2.7107,-1.44375 -1.1786,0 -2.1362,0.44196 -2.696,1.2375 v -1.16384 h -1.3554 v 7.80806 h 1.4143 v -4.02189 c 0,-1.6942 0.9281,-2.59287 2.3424,-2.59287 1.2817,0 2.0184,0.75135 2.0184,2.2835 v 4.33126 h 1.4142 v -4.02189 c 0,-1.6942 0.9282,-2.59287 2.3425,-2.59287 1.2817,0 2.0183,0.75135 2.0183,2.2835 v 4.33126 h 1.4143 v -4.49332 c 0,-2.29822 -1.2965,-3.3884 -3.1969,-3.3884 z m 12.1246,-2.53394 c -4.1251,0 -6.9536,2.78438 -6.9536,6.67368 0,3.90404 2.7991,6.71789 6.8946,6.71789 1.046,0 2.2688,-0.23572 3.1675,-0.69242 l -0.3242,-0.94286 c -0.8692,0.4567 -1.9446,0.64822 -2.8433,0.64822 -3.4915,0 -5.8192,-2.35715 -5.8192,-5.73083 0,-3.34421 2.3572,-5.70136 5.8782,-5.70136 3.4768,0 5.8634,2.20983 5.8634,5.50985 0,1.84152 -0.5009,2.90224 -1.3701,2.90224 -0.4567,0 -0.8398,-0.27991 -0.8398,-1.06072 v -5.30359 h -1.2817 v 1.19331 c -0.604,-0.82501 -1.5616,-1.25224 -2.6959,-1.25224 -2.092,0 -3.6094,1.56161 -3.6094,3.75671 0,2.1951 1.5174,3.78618 3.6094,3.78618 1.2375,0 2.2098,-0.48617 2.7991,-1.39956 0.1768,0.89866 0.825,1.39956 1.7678,1.39956 1.6648,0 2.6224,-1.53215 2.6224,-4.03663 0,-3.81564 -2.8286,-6.46743 -6.8652,-6.46743 z m -0.1179,9.35494 c -1.4732,0 -2.5045,-1.04598 -2.5045,-2.63706 0,-1.60581 1.0313,-2.62233 2.5045,-2.62233 1.429,0 2.5192,0.98706 2.5192,2.62233 0,1.63527 -1.0902,2.63706 -2.5192,2.63706 z m 17.2514,-0.50089 -2.3129,-6.24645 h -1.1933 l -2.3572,6.21698 -2.2688,-6.21698 h -1.3406 l 2.9023,7.80806 h 1.3553 l 2.2835,-5.92234 2.254,5.92234 h 1.3554 l 2.917,-7.80806 h -1.267 z m 8.1469,1.65001 c 2.3425,0 4.0514,-1.66474 4.0514,-3.99243 0,-2.32769 -1.7089,-3.97769 -4.0514,-3.97769 -2.3424,0 -4.066,1.65 -4.066,3.97769 0,2.32769 1.7236,3.99243 4.066,3.99243 z m 0,-1.23751 c -1.5026,0 -2.637,-1.09018 -2.637,-2.75492 0,-1.66474 1.1344,-2.74019 2.637,-2.74019 1.5027,0 2.6224,1.07545 2.6224,2.74019 0,1.66474 -1.1197,2.75492 -2.6224,2.75492 z m 7.3661,-6.65895 h -1.3553 v 7.80806 h 1.4143 v -3.8893 c 0,-1.70893 0.9428,-2.63706 2.4602,-2.63706 0.1032,0 0.2063,0 0.3242,0.0147 v -1.37009 c -1.3701,0 -2.3425,0.47143 -2.8434,1.38482 z m 12.2867,7.80806 -3.6094,-4.58171 3.2853,-3.22635 h -1.709 l -4.2576,3.8893 v -7.01253 h -1.4142 v 10.93129 h 1.4142 v -2.13617 l 1.6206,-1.50268 2.9317,3.63885 z m 1.8562,0.0884 c 0.5304,0 0.9724,-0.42724 0.9724,-1.01653 0,-0.58928 -0.442,-1.00179 -0.9724,-1.00179 -0.545,0 -1.0017,0.41251 -1.0017,1.00179 0,0.58929 0.4567,1.01653 1.0017,1.01653 z m 9.8854,-3.94823 c 0,-2.40135 -1.6059,-4.02189 -3.8599,-4.02189 -2.254,0 -3.9187,1.66473 -3.9187,3.97769 0,2.32769 1.6794,3.99243 4.1986,3.99243 1.2965,0 2.3719,-0.44197 3.0791,-1.26697 l -0.7808,-0.9134 c -0.5746,0.63348 -1.3407,0.94286 -2.2541,0.94286 -1.5469,0 -2.6518,-0.9134 -2.8286,-2.28349 h 6.3349 c 0.015,-0.13259 0.029,-0.30938 0.029,-0.42723 z m -3.8599,-2.82859 c 1.3701,0 2.3572,0.92813 2.5045,2.2393 h -5.009 c 0.1474,-1.3259 1.1492,-2.2393 2.5045,-2.2393 z m 9.075,2.696 2.9465,-3.81564 h -1.5469 l -2.1362,2.81385 -2.1509,-2.81385 h -1.5763 l 2.9317,3.81564 -3.079,3.99242 h 1.5763 l 2.2835,-2.99063 2.254,2.99063 h 1.6058 z m 7.3514,-3.8893 c -1.2522,0 -2.4161,0.35357 -3.2263,1.00179 l 0.5893,1.06071 c 0.604,-0.51562 1.5468,-0.83973 2.475,-0.83973 1.3995,0 2.0919,0.69241 2.0919,1.88572 v 0.27991 h -2.2393 c -2.3276,0 -3.1379,1.03126 -3.1379,2.28349 0,1.35536 1.1196,2.29823 2.8875,2.29823 1.2228,0 2.092,-0.41251 2.5634,-1.11965 v 1.03125 h 1.3406 v -4.7143 c 0,-2.13617 -1.208,-3.16742 -3.3442,-3.16742 z m -0.3241,6.87993 c -1.0754,0 -1.7237,-0.48616 -1.7237,-1.26697 0,-0.66295 0.3978,-1.20804 1.7974,-1.20804 h 2.1803 v 1.09019 c -0.3535,0.89866 -1.1933,1.38482 -2.254,1.38482 z m 16.0581,-6.87993 c -1.3259,0 -2.4161,0.55982 -3.0054,1.44375 -0.5156,-0.97232 -1.5174,-1.44375 -2.7107,-1.44375 -1.1786,0 -2.1362,0.44196 -2.696,1.2375 v -1.16384 h -1.3553 v 7.80806 h 1.4142 v -4.02189 c 0,-1.6942 0.9282,-2.59287 2.3425,-2.59287 1.2817,0 2.0183,0.75135 2.0183,2.2835 v 4.33126 h 1.4143 v -4.02189 c 0,-1.6942 0.9281,-2.59287 2.3424,-2.59287 1.2817,0 2.0183,0.75135 2.0183,2.2835 v 4.33126 h 1.4143 v -4.49332 c 0,-2.29822 -1.2964,-3.3884 -3.1969,-3.3884 z m 9.9442,0 c -1.1491,0 -2.1509,0.44196 -2.7844,1.31116 v -1.2375 h -1.3553 v 10.66611 h 1.4143 v -4.03662 c 0.6482,0.83973 1.6205,1.26697 2.7254,1.26697 2.2835,0 3.9483,-1.59108 3.9483,-3.99243 0,-2.38662 -1.6648,-3.97769 -3.9483,-3.97769 z m -0.1178,6.73261 c -1.488,0 -2.6224,-1.09018 -2.6224,-2.75492 0,-1.65001 1.1344,-2.74019 2.6224,-2.74019 1.5026,0 2.637,1.09018 2.637,2.74019 0,1.66474 -1.1344,2.75492 -2.637,2.75492 z m 7.4397,1.14911 v -10.93129 h -1.4143 v 10.93129 z m 9.7527,-3.85983 c 0,-2.40135 -1.6058,-4.02189 -3.8598,-4.02189 -2.254,0 -3.9188,1.66473 -3.9188,3.97769 0,2.32769 1.6795,3.99243 4.1987,3.99243 1.2964,0 2.3719,-0.44197 3.079,-1.26697 l -0.7808,-0.9134 c -0.5745,0.63348 -1.3406,0.94286 -2.254,0.94286 -1.5469,0 -2.6518,-0.9134 -2.8286,-2.28349 h 6.3349 c 0.015,-0.13259 0.029,-0.30938 0.029,-0.42723 z m -3.8598,-2.82859 c 1.3701,0 2.3571,0.92813 2.5045,2.2393 h -5.009 c 0.1473,-1.3259 1.1491,-2.2393 2.5045,-2.2393 z m 5.4656,-0.48616 5.2447,2.01831 -5.2447,2.01831 v 1.22278 l 6.6,-2.6076 v -1.26697 l -6.6,-2.6076 z"
-           id="text11-9-5-39-0"
-           transform="matrix(1.0869041,0,0,1.0853996,-87.817629,-61.667207)"
-           aria-label="&lt;adam@work.example&gt;" /><path
-           id="path1-28-9-6-4-2-7-8"
-           style="fill:#3e4349;stroke-width:2.32366;stroke-linecap:round;stroke-linejoin:round;paint-order:markers fill stroke"
-           d="m 1292.9218,474.65238 h 20.9259 c 1.0091,0 1.8272,0.8237 1.8272,1.83984 v 0.44523 c 0,1.01613 -0.8181,1.83982 -1.8272,1.83982 h -20.9259 c -1.0091,0 -1.8272,-0.82369 -1.8272,-1.83982 v -0.44523 c 0,-1.01614 0.8181,-1.83984 1.8272,-1.83984 z m 0,-7.37755 h 20.9259 c 1.0091,0 1.8272,0.82369 1.8272,1.83982 v 0.44524 c 0,1.01613 -0.8181,1.83982 -1.8272,1.83982 h -20.9259 c -1.0091,0 -1.8272,-0.82362 -1.8272,-1.83982 v -0.44524 c 0,-1.01617 0.8181,-1.83982 1.8272,-1.83982 z m 0,-7.37736 h 20.9259 c 1.0091,0 1.8272,0.82366 1.8272,1.83971 v 0.44525 c 0,1.01606 -0.8181,1.83976 -1.8272,1.83976 h -20.9259 c -1.0091,0 -1.8272,-0.8237 -1.8272,-1.83976 v -0.44525 c 0,-1.01605 0.8181,-1.83971 1.8272,-1.83971 z m -7.3826,21.77706 c -23.3423,0 0.6729,0.0778 -24.5151,0 0,-5.63545 4.8015,-10.20388 12.2576,-10.20395 7.4559,0 12.2575,4.56843 12.2575,10.20395 z m -4.8375,-19.43177 c 10e-5,4.09803 -3.322,7.42012 -7.42,7.42012 -4.0981,-3e-5 -7.4202,-3.32212 -7.4202,-7.42012 0,-4.09801 3.3221,-7.42009 7.4202,-7.42013 4.098,0 7.4201,3.32208 7.42,7.42013 z"
-           inkscape:label="Identity" /></g><g
          id="g46-9-5-3-4-6-7"
          inkscape:label="User ID "
-         transform="matrix(0.92068307,0,0,0.92068307,101.28273,-2062.7833)"
+         transform="matrix(0.92068307,0,0,0.92068307,100.74689,-2062.7833)"
          style="display:inline"><path
            id="rect2-8-6-9-0-81-3-6"
            style="fill:none;stroke:#3e4349;stroke-width:4;stroke-linecap:round;stroke-linejoin:round;paint-order:markers fill stroke"
@@ -377,4 +331,50 @@
            id="path1-28-9-6-4-2-7-5"
            style="fill:#3e4349;stroke-width:2.32366;stroke-linecap:round;stroke-linejoin:round;paint-order:markers fill stroke"
            d="m 1293.0151,474.65238 h 20.9259 c 1.0091,0 1.8272,0.8237 1.8272,1.83984 v 0.44523 c 0,1.01613 -0.8181,1.83982 -1.8272,1.83982 h -20.9259 c -1.0091,0 -1.8272,-0.82369 -1.8272,-1.83982 v -0.44523 c 0,-1.01614 0.8181,-1.83984 1.8272,-1.83984 z m 0,-7.37755 h 20.9259 c 1.0091,0 1.8272,0.82369 1.8272,1.83982 v 0.44524 c 0,1.01613 -0.8181,1.83982 -1.8272,1.83982 h -20.9259 c -1.0091,0 -1.8272,-0.82362 -1.8272,-1.83982 v -0.44524 c 0,-1.01617 0.8181,-1.83982 1.8272,-1.83982 z m 0,-7.37736 h 20.9259 c 1.0091,0 1.8272,0.82366 1.8272,1.83971 v 0.44525 c 0,1.01606 -0.8181,1.83976 -1.8272,1.83976 h -20.9259 c -1.0091,0 -1.8272,-0.8237 -1.8272,-1.83976 v -0.44525 c 0,-1.01605 0.8181,-1.83971 1.8272,-1.83971 z m -7.3826,21.77706 c -23.3423,0 0.6729,0.0778 -24.5151,0 0,-5.63545 4.8015,-10.20388 12.2576,-10.20395 7.4559,0 12.2575,4.56843 12.2575,10.20395 z m -4.8375,-19.43177 c 10e-5,4.09803 -3.322,7.42012 -7.42,7.42012 -4.0981,-3e-5 -7.4202,-3.32212 -7.4202,-7.42012 0,-4.09801 3.3221,-7.42009 7.4202,-7.42013 4.098,0 7.4201,3.32208 7.42,7.42013 z"
+           inkscape:label="Identity" /></g><g
+         id="g46-9-5-3-4-6-3-0-0"
+         inkscape:label="User ID "
+         transform="matrix(0.90968028,0,0,0.89986258,114.40035,-1918.6832)"
+         style="display:inline"><path
+           id="rect2-8-6-9-0-81-3-3-4-6"
+           style="fill:none;stroke:#3e4349;stroke-width:4;stroke-linecap:round;stroke-linejoin:round;paint-order:markers fill stroke"
+           d="m 1452.2623,563.67013 h -195.2774 c -7.774,-2e-5 -14.076,-6.30207 -14.076,-14.07603 v -70.73162"
+           sodipodi:nodetypes="cccc" /><path
+           id="rect2-8-6-9-9-3-2-8-3-6-8"
+           style="fill:none;stroke:#3e4349;stroke-width:4;stroke-linecap:round;stroke-linejoin:round;paint-order:markers fill stroke"
+           d="m 1330.4087,456.01319 h 127.2774 c 7.774,2e-5 14.076,6.30207 14.076,14.07603 v 36.73162"
+           sodipodi:nodetypes="cccc" /><g
+           id="text11-6-8-0-3-7-9-3-5-8-2-9"
+           style="font-size:16px;line-height:21.3333px;font-family:Sans;-inkscape-font-specification:'Sans, @wght=500';font-variation-settings:'wght' 500;fill:#3e4349;stroke-width:3.5;stroke-linecap:round;stroke-linejoin:round;paint-order:markers fill stroke"
+           aria-label="Alice Adams &#10;&lt;alice@example.org&gt;"
+           transform="matrix(1.2481498,0,0,1.2481498,-305.65207,-121.7642)" /><path
+           style="font-weight:500;font-size:21.3333px;font-family:Montserrat;-inkscape-font-specification:'Montserrat Medium';font-variation-settings:'wght' 500;fill:#3e4349;stroke-width:3.5;stroke-linecap:round;stroke-linejoin:round;paint-order:markers fill stroke"
+           d="m 1379.9024,493.22389 c 3.9466,0 6.3146,-2.28266 6.3146,-6.61332 v -8.49066 h -2.0693 v 8.40532 c 0,3.30666 -1.536,4.8 -4.224,4.8 -2.688,0 -4.2027,-1.49334 -4.2027,-4.8 v -8.40532 h -2.1333 v 8.49066 c 0,4.33066 2.3893,6.61332 6.3147,6.61332 z m 13.6319,-0.0427 c 3.008,0 4.8854,-1.30133 4.8854,-3.34933 0,-4.39466 -7.168,-2.21866 -7.168,-4.88532 0,-0.896 0.8746,-1.55733 2.6666,-1.55733 1.1094,0 2.24,0.23466 3.264,0.896 l 0.8747,-1.62133 c -0.9813,-0.64 -2.6453,-1.024 -4.1173,-1.024 -2.9013,0 -4.7147,1.36533 -4.7147,3.39199 0,4.50133 7.1467,2.304 7.1467,4.84266 0,0.96 -0.7894,1.536 -2.688,1.536 -1.472,0 -3.008,-0.49067 -3.968,-1.17333 l -0.8533,1.62133 c 0.9386,0.74666 2.7946,1.32266 4.6719,1.32266 z m 17.664,-5.71732 c 0,-3.47733 -2.3253,-5.82399 -5.5893,-5.82399 -3.264,0 -5.6747,2.41066 -5.6747,5.75999 0,3.37066 2.432,5.78132 6.08,5.78132 1.8773,0 3.4347,-0.64 4.4587,-1.83466 l -1.1307,-1.32267 c -0.832,0.91734 -1.9413,1.36534 -3.264,1.36534 -2.24,0 -3.84,-1.32267 -4.096,-3.30667 h 9.1733 c 0.021,-0.192 0.043,-0.448 0.043,-0.61866 z m -5.5893,-4.096 c 1.984,0 3.4133,1.344 3.6266,3.24267 h -7.2533 c 0.2134,-1.92 1.664,-3.24267 3.6267,-3.24267 z m 10.3893,-1.62133 h -1.9627 v 11.30665 h 2.048 v -5.63199 c 0,-2.47466 1.3654,-3.81866 3.5627,-3.81866 0.1493,0 0.2986,0 0.4693,0.0213 v -1.98399 c -1.984,0 -3.392,0.68266 -4.1173,2.00533 z m 14.9546,11.30665 v -14.93331 h -2.1333 v 14.93331 z m 10.7733,0 c 4.8,0 8.064,-3.02933 8.064,-7.46665 0,-4.43733 -3.264,-7.46666 -8.064,-7.46666 h -6.2933 v 14.93331 z m -4.16,-13.07731 h 4.032 c 3.6907,0 6.0587,2.26133 6.0587,5.61066 0,3.34933 -2.368,5.61066 -6.0587,5.61066 h -4.032 z"
+           id="text11-2-1-1-8-3-4-8-1-4-6-2"
+           aria-label="User ID" /><text
+           xml:space="preserve"
+           style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:14.6349px;font-family:Sans;-inkscape-font-specification:'Sans, @wght=500';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal;font-variation-settings:'wght' 500;text-align:start;text-anchor:start;display:inline;opacity:1;fill:#3e4349;fill-opacity:1;stroke:none;stroke-width:2.89174;stroke-linecap:round;stroke-linejoin:round;stroke-opacity:1;paint-order:markers fill stroke"
+           x="1239.4576"
+           y="543.47406"
+           id="text11-9-5-39-7-6"
+           transform="matrix(1.0869041,0,0,1.0853996,-87.817629,-61.667207)"><tspan
+             sodipodi:role="line"
+             id="tspan11-3-9-19-56-6"
+             x="1239.4576"
+             y="543.47406"
+             style="font-style:normal;font-variant:normal;font-weight:500;font-stretch:normal;font-size:14.6349px;font-family:Montserrat;-inkscape-font-specification:'Montserrat Medium';text-align:start;text-anchor:start;stroke-width:2.89174">Dr. Alice Adams</tspan></text><text
+           xml:space="preserve"
+           style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:14.7322px;font-family:Sans;-inkscape-font-specification:'Sans, @wght=500';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal;font-variation-settings:'wght' 500;text-align:start;text-anchor:start;display:inline;opacity:1;fill:#3e4349;fill-opacity:1;stroke:none;stroke-width:2.91095;stroke-linecap:round;stroke-linejoin:round;stroke-opacity:1;paint-order:markers fill stroke"
+           x="1240.0072"
+           y="561.65698"
+           id="text11-9-5-39-0-9-4"
+           transform="matrix(1.0869041,0,0,1.0853996,-87.817629,-61.667207)"><tspan
+             sodipodi:role="line"
+             id="tspan11-3-9-19-5-8-9"
+             x="1240.0072"
+             y="561.65698"
+             style="font-style:normal;font-variant:normal;font-weight:500;font-stretch:normal;font-size:14.7322px;font-family:Montserrat;-inkscape-font-specification:'Montserrat Medium';text-align:start;text-anchor:start;stroke-width:2.91095">&lt;adams@work.example&gt;</tspan></text><path
+           id="path1-28-9-6-4-2-7-8-7-5"
+           style="fill:#3e4349;stroke-width:2.32366;stroke-linecap:round;stroke-linejoin:round;paint-order:markers fill stroke"
+           d="m 1292.9218,474.65238 h 20.9259 c 1.0091,0 1.8272,0.8237 1.8272,1.83984 v 0.44523 c 0,1.01613 -0.8181,1.83982 -1.8272,1.83982 h -20.9259 c -1.0091,0 -1.8272,-0.82369 -1.8272,-1.83982 v -0.44523 c 0,-1.01614 0.8181,-1.83984 1.8272,-1.83984 z m 0,-7.37755 h 20.9259 c 1.0091,0 1.8272,0.82369 1.8272,1.83982 v 0.44524 c 0,1.01613 -0.8181,1.83982 -1.8272,1.83982 h -20.9259 c -1.0091,0 -1.8272,-0.82362 -1.8272,-1.83982 v -0.44524 c 0,-1.01617 0.8181,-1.83982 1.8272,-1.83982 z m 0,-7.37736 h 20.9259 c 1.0091,0 1.8272,0.82366 1.8272,1.83971 v 0.44525 c 0,1.01606 -0.8181,1.83976 -1.8272,1.83976 h -20.9259 c -1.0091,0 -1.8272,-0.8237 -1.8272,-1.83976 v -0.44525 c 0,-1.01605 0.8181,-1.83971 1.8272,-1.83971 z m -7.3826,21.77706 c -23.3423,0 0.6729,0.0778 -24.5151,0 0,-5.63545 4.8015,-10.20388 12.2576,-10.20395 7.4559,0 12.2575,4.56843 12.2575,10.20395 z m -4.8375,-19.43177 c 10e-5,4.09803 -3.322,7.42012 -7.42,7.42012 -4.0981,-3e-5 -7.4202,-3.32212 -7.4202,-7.42012 0,-4.09801 3.3221,-7.42009 7.4202,-7.42013 4.098,0 7.4201,3.32208 7.42,7.42013 z"
            inkscape:label="Identity" /></g></g></g></svg>
diff --git a/book/source/diag/OpenPGP_Certificate.svg b/book/source/diag/OpenPGP_Certificate.svg
index 02dde5f..8c7d263 100644
--- a/book/source/diag/OpenPGP_Certificate.svg
+++ b/book/source/diag/OpenPGP_Certificate.svg
@@ -22,10 +22,10 @@
        style="color-interpolation-filters:sRGB"
        inkscape:label="Drop Shadow"
        id="filter90-4-2"
-       x="-0.018763099"
-       y="-0.0084790269"
-       width="1.0405729"
-       height="1.0193133"><feFlood
+       x="-0.01980923"
+       y="-0.012283523"
+       width="1.0428351"
+       height="1.0279791"><feFlood
          result="flood"
          in="SourceGraphic"
          flood-opacity="0.796078"
@@ -443,26 +443,18 @@
      inkscape:pagecheckerboard="0"
      inkscape:deskcolor="#d1d1d1"
      inkscape:lockguides="false"
-     inkscape:zoom="0.35355339"
-     inkscape:cx="885.29769"
-     inkscape:cy="637.81032"
+     inkscape:zoom="2"
+     inkscape:cx="2755.25"
+     inkscape:cy="-1707.25"
      inkscape:window-width="2560"
      inkscape:window-height="1371"
      inkscape:window-x="0"
      inkscape:window-y="314"
      inkscape:window-maximized="1"
-     inkscape:current-layer="layer11"
+     inkscape:current-layer="layer31"
      showgrid="false"
      inkscape:export-bgcolor="#ffffff00"
-     showguides="false"><sodipodi:guide
-       position="1663.2041,-201.51933"
-       orientation="1,0"
-       id="guide358"
-       inkscape:locked="false" /><sodipodi:guide
-       position="1675.8445,-210.92233"
-       orientation="1,0"
-       id="guide359"
-       inkscape:locked="false" /><sodipodi:guide
+     showguides="true"><sodipodi:guide
        position="1662.8569,-154.07483"
        orientation="0,-1"
        id="guide360"
@@ -471,7 +463,7 @@
        orientation="0,659.35662"
        id="guide361"
        inkscape:locked="false" /><sodipodi:guide
-       position="2165.9557,31.320372"
+       position="2327.0276,4268.4002"
        orientation="943.88005,0"
        id="guide362"
        inkscape:locked="false" /><sodipodi:guide
@@ -487,10 +479,6 @@
        orientation="0,659.35662"
        id="guide365"
        inkscape:locked="false" /><sodipodi:guide
-       position="2165.9557,31.320372"
-       orientation="943.88005,0"
-       id="guide366"
-       inkscape:locked="false" /><sodipodi:guide
        position="2165.9557,-912.55962"
        orientation="0,-659.35662"
        id="guide367"
@@ -505,7 +493,10 @@
        height="660.95245"
        id="page15"
        margin="0"
-       bleed="0" /></sodipodi:namedview><!--! Font Awesome Pro 6.4.2 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license (Commercial License) Copyright 2023 Fonticons, Inc. --><g
+       bleed="0"
+       inkscape:export-filename="OpenPGP_Certificate.png"
+       inkscape:export-xdpi="94.510002"
+       inkscape:export-ydpi="94.510002" /></sodipodi:namedview><!--! Font Awesome Pro 6.4.2 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license (Commercial License) Copyright 2023 Fonticons, Inc. --><g
      inkscape:groupmode="layer"
      id="layer5"
      inkscape:label="Chapter 4"
@@ -667,7 +658,7 @@
    id="tspan6">C0A5 8384 A438 E5A1 4F73 7124 26A4 D45D</tspan> </tspan><tspan
              x="562.8764"
              y="428.39824"
-             id="tspan12"><tspan
+             id="tspan9"><tspan
                style="font-size:16px;font-family:Monospace;-inkscape-font-specification:'Monospace, Normal'"
                id="tspan8">BAEE F4A3 9E6B 30B0 9D55 13F9 78AC CA94</tspan></tspan></text><path
            id="path2-3-2-5-85"
@@ -696,55 +687,9 @@
            inkscape:path-effect="#path-effect71-63-83"
            inkscape:original-d="m 850.55372,198.75048 h 235.85618 v 61.8978"
            transform="matrix(0.96439285,0,0,0.96305804,36.49511,189.52526)" /></g><g
-         id="g46-9-5-3-4-6-3-7"
-         inkscape:label="User ID "
-         transform="matrix(0.76309605,0,0,0.76309605,336.8604,1533.6172)"
-         style="display:inline"><path
-           id="rect2-8-6-9-0-81-3-3-9"
-           style="fill:none;stroke:#3e4349;stroke-width:4;stroke-linecap:round;stroke-linejoin:round;paint-order:markers fill stroke"
-           d="m 1452.2623,563.67013 h -195.2774 c -7.774,-2e-5 -14.076,-6.30207 -14.076,-14.07603 v -70.73162"
-           sodipodi:nodetypes="cccc" /><path
-           id="rect2-8-6-9-9-3-2-8-3-7"
-           style="fill:none;stroke:#3e4349;stroke-width:4;stroke-linecap:round;stroke-linejoin:round;paint-order:markers fill stroke"
-           d="m 1330.4087,456.01319 h 127.2774 c 7.774,2e-5 14.076,6.30207 14.076,14.07603 v 36.73162"
-           sodipodi:nodetypes="cccc" /><g
-           id="text11-6-8-0-3-7-9-3-5-8-4"
-           style="font-size:16px;line-height:21.3333px;font-family:Sans;-inkscape-font-specification:'Sans, @wght=500';font-variation-settings:'wght' 500;fill:#3e4349;stroke-width:3.5;stroke-linecap:round;stroke-linejoin:round;paint-order:markers fill stroke"
-           aria-label="Alice Adams &#10;&lt;alice@example.org&gt;"
-           transform="matrix(1.2481498,0,0,1.2481498,-305.65207,-121.7642)" /><path
-           style="font-weight:500;font-size:21.3333px;font-family:Montserrat;-inkscape-font-specification:'Montserrat Medium';font-variation-settings:'wght' 500;fill:#3e4349;stroke-width:3.5;stroke-linecap:round;stroke-linejoin:round;paint-order:markers fill stroke"
-           d="m 1379.9024,493.22389 c 3.9466,0 6.3146,-2.28266 6.3146,-6.61332 v -8.49066 h -2.0693 v 8.40532 c 0,3.30666 -1.536,4.8 -4.224,4.8 -2.688,0 -4.2027,-1.49334 -4.2027,-4.8 v -8.40532 h -2.1333 v 8.49066 c 0,4.33066 2.3893,6.61332 6.3147,6.61332 z m 13.6319,-0.0427 c 3.008,0 4.8854,-1.30133 4.8854,-3.34933 0,-4.39466 -7.168,-2.21866 -7.168,-4.88532 0,-0.896 0.8746,-1.55733 2.6666,-1.55733 1.1094,0 2.24,0.23466 3.264,0.896 l 0.8747,-1.62133 c -0.9813,-0.64 -2.6453,-1.024 -4.1173,-1.024 -2.9013,0 -4.7147,1.36533 -4.7147,3.39199 0,4.50133 7.1467,2.304 7.1467,4.84266 0,0.96 -0.7894,1.536 -2.688,1.536 -1.472,0 -3.008,-0.49067 -3.968,-1.17333 l -0.8533,1.62133 c 0.9386,0.74666 2.7946,1.32266 4.6719,1.32266 z m 17.664,-5.71732 c 0,-3.47733 -2.3253,-5.82399 -5.5893,-5.82399 -3.264,0 -5.6747,2.41066 -5.6747,5.75999 0,3.37066 2.432,5.78132 6.08,5.78132 1.8773,0 3.4347,-0.64 4.4587,-1.83466 l -1.1307,-1.32267 c -0.832,0.91734 -1.9413,1.36534 -3.264,1.36534 -2.24,0 -3.84,-1.32267 -4.096,-3.30667 h 9.1733 c 0.021,-0.192 0.043,-0.448 0.043,-0.61866 z m -5.5893,-4.096 c 1.984,0 3.4133,1.344 3.6266,3.24267 h -7.2533 c 0.2134,-1.92 1.664,-3.24267 3.6267,-3.24267 z m 10.3893,-1.62133 h -1.9627 v 11.30665 h 2.048 v -5.63199 c 0,-2.47466 1.3654,-3.81866 3.5627,-3.81866 0.1493,0 0.2986,0 0.4693,0.0213 v -1.98399 c -1.984,0 -3.392,0.68266 -4.1173,2.00533 z m 14.9546,11.30665 v -14.93331 h -2.1333 v 14.93331 z m 10.7733,0 c 4.8,0 8.064,-3.02933 8.064,-7.46665 0,-4.43733 -3.264,-7.46666 -8.064,-7.46666 h -6.2933 v 14.93331 z m -4.16,-13.07731 h 4.032 c 3.6907,0 6.0587,2.26133 6.0587,5.61066 0,3.34933 -2.368,5.61066 -6.0587,5.61066 h -4.032 z"
-           id="text11-2-1-1-8-3-4-8-1-4-9"
-           aria-label="User ID" /><text
-           xml:space="preserve"
-           style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:14.6349px;font-family:Sans;-inkscape-font-specification:'Sans, @wght=500';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal;font-variation-settings:'wght' 500;text-align:start;text-anchor:start;display:inline;opacity:1;fill:#3e4349;fill-opacity:1;stroke:none;stroke-width:2.89174;stroke-linecap:round;stroke-linejoin:round;stroke-opacity:1;paint-order:markers fill stroke"
-           x="1239.4576"
-           y="543.47406"
-           id="text11-9-5-39-1"
-           transform="matrix(1.0869041,0,0,1.0853996,-87.817629,-61.667207)"><tspan
-             sodipodi:role="line"
-             id="tspan11-3-9-19-7"
-             x="1239.4576"
-             y="543.47406"
-             style="font-style:normal;font-variant:normal;font-weight:500;font-stretch:normal;font-size:14.6349px;font-family:Montserrat;-inkscape-font-specification:'Montserrat Medium';text-align:start;text-anchor:start;stroke-width:2.89174">Dr. Alice Adams</tspan></text><text
-           xml:space="preserve"
-           style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:14.7322px;font-family:Sans;-inkscape-font-specification:'Sans, @wght=500';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal;font-variation-settings:'wght' 500;text-align:start;text-anchor:start;display:inline;opacity:1;fill:#3e4349;fill-opacity:1;stroke:none;stroke-width:2.91095;stroke-linecap:round;stroke-linejoin:round;stroke-opacity:1;paint-order:markers fill stroke"
-           x="1240.0072"
-           y="561.65698"
-           id="text11-9-5-39-0-0"
-           transform="matrix(1.0869041,0,0,1.0853996,-87.817629,-61.667207)"><tspan
-             sodipodi:role="line"
-             id="tspan11-3-9-19-5-6"
-             x="1240.0072"
-             y="561.65698"
-             style="font-style:normal;font-variant:normal;font-weight:500;font-stretch:normal;font-size:14.7322px;font-family:Montserrat;-inkscape-font-specification:'Montserrat Medium';text-align:start;text-anchor:start;stroke-width:2.91095">&lt;adam@work.example&gt;</tspan></text><path
-           id="path1-28-9-6-4-2-7-8-0"
-           style="fill:#3e4349;stroke-width:2.32366;stroke-linecap:round;stroke-linejoin:round;paint-order:markers fill stroke"
-           d="m 1292.9218,474.65238 h 20.9259 c 1.0091,0 1.8272,0.8237 1.8272,1.83984 v 0.44523 c 0,1.01613 -0.8181,1.83982 -1.8272,1.83982 h -20.9259 c -1.0091,0 -1.8272,-0.82369 -1.8272,-1.83982 v -0.44523 c 0,-1.01614 0.8181,-1.83984 1.8272,-1.83984 z m 0,-7.37755 h 20.9259 c 1.0091,0 1.8272,0.82369 1.8272,1.83982 v 0.44524 c 0,1.01613 -0.8181,1.83982 -1.8272,1.83982 h -20.9259 c -1.0091,0 -1.8272,-0.82362 -1.8272,-1.83982 v -0.44524 c 0,-1.01617 0.8181,-1.83982 1.8272,-1.83982 z m 0,-7.37736 h 20.9259 c 1.0091,0 1.8272,0.82366 1.8272,1.83971 v 0.44525 c 0,1.01606 -0.8181,1.83976 -1.8272,1.83976 h -20.9259 c -1.0091,0 -1.8272,-0.8237 -1.8272,-1.83976 v -0.44525 c 0,-1.01605 0.8181,-1.83971 1.8272,-1.83971 z m -7.3826,21.77706 c -23.3423,0 0.6729,0.0778 -24.5151,0 0,-5.63545 4.8015,-10.20388 12.2576,-10.20395 7.4559,0 12.2575,4.56843 12.2575,10.20395 z m -4.8375,-19.43177 c 10e-5,4.09803 -3.322,7.42012 -7.42,7.42012 -4.0981,-3e-5 -7.4202,-3.32212 -7.4202,-7.42012 0,-4.09801 3.3221,-7.42009 7.4202,-7.42013 4.098,0 7.4201,3.32208 7.42,7.42013 z"
-           inkscape:label="Identity" /></g><g
          id="g46-9-5-3-4-6-7-85"
          inkscape:label="User ID "
-         transform="matrix(0.7630971,0,0,0.7630971,336.8591,1409.1631)"
+         transform="matrix(0.76309881,0,0,0.76309881,336.85698,1409.1628)"
          style="display:inline"><path
            id="rect2-8-6-9-0-81-3-6-3"
            style="fill:none;stroke:#3e4349;stroke-width:4;stroke-linecap:round;stroke-linejoin:round;paint-order:markers fill stroke"
@@ -821,14 +766,14 @@
              inkscape:label="fingerprint primary"><tspan
                x="559.75104"
                y="408.97891"
-               id="tspan14"><tspan
+               id="tspan11"><tspan
    style="font-size:16px;font-family:Monospace;-inkscape-font-specification:'Monospace, Normal'"
-   id="tspan13">AAA1 8CBB 2546 85C5 8358 3205 63FD 37B6</tspan>  </tspan><tspan
+   id="tspan10">AAA1 8CBB 2546 85C5 8358 3205 63FD 37B6</tspan>  </tspan><tspan
                x="559.75104"
                y="428.39824"
-               id="tspan16"><tspan
+               id="tspan13"><tspan
                  style="font-size:16px;font-family:Monospace;-inkscape-font-specification:'Monospace, Normal'"
-                 id="tspan15">7F33 00F9 FB0E C457 378C D29F 1026 98B3</tspan></tspan></text><text
+                 id="tspan12">7F33 00F9 FB0E C457 378C D29F 1026 98B3</tspan></tspan></text><text
              xml:space="preserve"
              style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:16px;font-family:Sans;-inkscape-font-specification:'Sans, @wght=500';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal;font-variation-settings:'wght' 500;text-align:start;text-anchor:start;display:inline;opacity:1;fill:#3e4349;fill-opacity:1;stroke:none;stroke-width:4.21527;stroke-linecap:round;stroke-linejoin:round;stroke-opacity:1;paint-order:markers fill stroke"
              x="134.45857"
@@ -1120,4 +1065,50 @@
                      id="path4-6-7-0-6-22"
                      style="font-variation-settings:'wght' 700;display:inline;fill:none;stroke:#195962;stroke-width:3.64767;stroke-linecap:round;stroke-linejoin:round;stroke-opacity:1;paint-order:markers fill stroke"
                      d="m 248.51397,859.76996 c -5.73327,5.42971 -12.71409,8.56595 -19.29605,9.02109 -8.96638,0.62002 -15.41863,-3.91867 -20.7683,-10.62518"
-                     sodipodi:nodetypes="csc" /></g></g></g></g></g></g></g></g></svg>
+                     sodipodi:nodetypes="csc" /></g></g></g></g></g></g><g
+         id="g46-9-5-3-4-6-3-0-7-1"
+         inkscape:label="User ID "
+         transform="matrix(0.76309881,0,0,0.75486306,336.85698,1539.1344)"
+         style="display:inline"><path
+           id="rect2-8-6-9-0-81-3-3-4-2-7"
+           style="fill:none;stroke:#3e4349;stroke-width:4;stroke-linecap:round;stroke-linejoin:round;paint-order:markers fill stroke"
+           d="m 1452.2623,563.67013 h -195.2774 c -7.774,-2e-5 -14.076,-6.30207 -14.076,-14.07603 v -70.73162"
+           sodipodi:nodetypes="cccc" /><path
+           id="rect2-8-6-9-9-3-2-8-3-6-7-7"
+           style="fill:none;stroke:#3e4349;stroke-width:4;stroke-linecap:round;stroke-linejoin:round;paint-order:markers fill stroke"
+           d="m 1330.4087,456.01319 h 127.2774 c 7.774,2e-5 14.076,6.30207 14.076,14.07603 v 36.73162"
+           sodipodi:nodetypes="cccc" /><g
+           id="text11-6-8-0-3-7-9-3-5-8-2-2-1"
+           style="font-size:16px;line-height:21.3333px;font-family:Sans;-inkscape-font-specification:'Sans, @wght=500';font-variation-settings:'wght' 500;fill:#3e4349;stroke-width:3.5;stroke-linecap:round;stroke-linejoin:round;paint-order:markers fill stroke"
+           aria-label="Alice Adams &#10;&lt;alice@example.org&gt;"
+           transform="matrix(1.2481498,0,0,1.2481498,-305.65207,-121.7642)" /><path
+           style="font-weight:500;font-size:21.3333px;font-family:Montserrat;-inkscape-font-specification:'Montserrat Medium';font-variation-settings:'wght' 500;fill:#3e4349;stroke-width:3.5;stroke-linecap:round;stroke-linejoin:round;paint-order:markers fill stroke"
+           d="m 1379.9024,493.22389 c 3.9466,0 6.3146,-2.28266 6.3146,-6.61332 v -8.49066 h -2.0693 v 8.40532 c 0,3.30666 -1.536,4.8 -4.224,4.8 -2.688,0 -4.2027,-1.49334 -4.2027,-4.8 v -8.40532 h -2.1333 v 8.49066 c 0,4.33066 2.3893,6.61332 6.3147,6.61332 z m 13.6319,-0.0427 c 3.008,0 4.8854,-1.30133 4.8854,-3.34933 0,-4.39466 -7.168,-2.21866 -7.168,-4.88532 0,-0.896 0.8746,-1.55733 2.6666,-1.55733 1.1094,0 2.24,0.23466 3.264,0.896 l 0.8747,-1.62133 c -0.9813,-0.64 -2.6453,-1.024 -4.1173,-1.024 -2.9013,0 -4.7147,1.36533 -4.7147,3.39199 0,4.50133 7.1467,2.304 7.1467,4.84266 0,0.96 -0.7894,1.536 -2.688,1.536 -1.472,0 -3.008,-0.49067 -3.968,-1.17333 l -0.8533,1.62133 c 0.9386,0.74666 2.7946,1.32266 4.6719,1.32266 z m 17.664,-5.71732 c 0,-3.47733 -2.3253,-5.82399 -5.5893,-5.82399 -3.264,0 -5.6747,2.41066 -5.6747,5.75999 0,3.37066 2.432,5.78132 6.08,5.78132 1.8773,0 3.4347,-0.64 4.4587,-1.83466 l -1.1307,-1.32267 c -0.832,0.91734 -1.9413,1.36534 -3.264,1.36534 -2.24,0 -3.84,-1.32267 -4.096,-3.30667 h 9.1733 c 0.021,-0.192 0.043,-0.448 0.043,-0.61866 z m -5.5893,-4.096 c 1.984,0 3.4133,1.344 3.6266,3.24267 h -7.2533 c 0.2134,-1.92 1.664,-3.24267 3.6267,-3.24267 z m 10.3893,-1.62133 h -1.9627 v 11.30665 h 2.048 v -5.63199 c 0,-2.47466 1.3654,-3.81866 3.5627,-3.81866 0.1493,0 0.2986,0 0.4693,0.0213 v -1.98399 c -1.984,0 -3.392,0.68266 -4.1173,2.00533 z m 14.9546,11.30665 v -14.93331 h -2.1333 v 14.93331 z m 10.7733,0 c 4.8,0 8.064,-3.02933 8.064,-7.46665 0,-4.43733 -3.264,-7.46666 -8.064,-7.46666 h -6.2933 v 14.93331 z m -4.16,-13.07731 h 4.032 c 3.6907,0 6.0587,2.26133 6.0587,5.61066 0,3.34933 -2.368,5.61066 -6.0587,5.61066 h -4.032 z"
+           id="text11-2-1-1-8-3-4-8-1-4-6-26-1"
+           aria-label="User ID" /><text
+           xml:space="preserve"
+           style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:14.6349px;font-family:Sans;-inkscape-font-specification:'Sans, @wght=500';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal;font-variation-settings:'wght' 500;text-align:start;text-anchor:start;display:inline;opacity:1;fill:#3e4349;fill-opacity:1;stroke:none;stroke-width:2.89174;stroke-linecap:round;stroke-linejoin:round;stroke-opacity:1;paint-order:markers fill stroke"
+           x="1239.4576"
+           y="543.47406"
+           id="text11-9-5-39-7-1-5"
+           transform="matrix(1.0869041,0,0,1.0853996,-87.817629,-61.667207)"><tspan
+             sodipodi:role="line"
+             id="tspan11-3-9-19-56-0-9"
+             x="1239.4576"
+             y="543.47406"
+             style="font-style:normal;font-variant:normal;font-weight:500;font-stretch:normal;font-size:14.6349px;font-family:Montserrat;-inkscape-font-specification:'Montserrat Medium';text-align:start;text-anchor:start;stroke-width:2.89174">Dr. Alice Adams</tspan></text><text
+           xml:space="preserve"
+           style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:14.7322px;font-family:Sans;-inkscape-font-specification:'Sans, @wght=500';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal;font-variation-settings:'wght' 500;text-align:start;text-anchor:start;display:inline;opacity:1;fill:#3e4349;fill-opacity:1;stroke:none;stroke-width:2.91095;stroke-linecap:round;stroke-linejoin:round;stroke-opacity:1;paint-order:markers fill stroke"
+           x="1240.0072"
+           y="561.65698"
+           id="text11-9-5-39-0-9-6-7"
+           transform="matrix(1.0869041,0,0,1.0853996,-87.817629,-61.667207)"><tspan
+             sodipodi:role="line"
+             id="tspan11-3-9-19-5-8-1-7"
+             x="1240.0072"
+             y="561.65698"
+             style="font-style:normal;font-variant:normal;font-weight:500;font-stretch:normal;font-size:14.7322px;font-family:Montserrat;-inkscape-font-specification:'Montserrat Medium';text-align:start;text-anchor:start;stroke-width:2.91095">&lt;adams@work.example&gt;</tspan></text><path
+           id="path1-28-9-6-4-2-7-8-7-59-6"
+           style="fill:#3e4349;stroke-width:2.32366;stroke-linecap:round;stroke-linejoin:round;paint-order:markers fill stroke"
+           d="m 1292.9218,474.65238 h 20.9259 c 1.0091,0 1.8272,0.8237 1.8272,1.83984 v 0.44523 c 0,1.01613 -0.8181,1.83982 -1.8272,1.83982 h -20.9259 c -1.0091,0 -1.8272,-0.82369 -1.8272,-1.83982 v -0.44523 c 0,-1.01614 0.8181,-1.83984 1.8272,-1.83984 z m 0,-7.37755 h 20.9259 c 1.0091,0 1.8272,0.82369 1.8272,1.83982 v 0.44524 c 0,1.01613 -0.8181,1.83982 -1.8272,1.83982 h -20.9259 c -1.0091,0 -1.8272,-0.82362 -1.8272,-1.83982 v -0.44524 c 0,-1.01617 0.8181,-1.83982 1.8272,-1.83982 z m 0,-7.37736 h 20.9259 c 1.0091,0 1.8272,0.82366 1.8272,1.83971 v 0.44525 c 0,1.01606 -0.8181,1.83976 -1.8272,1.83976 h -20.9259 c -1.0091,0 -1.8272,-0.8237 -1.8272,-1.83976 v -0.44525 c 0,-1.01605 0.8181,-1.83971 1.8272,-1.83971 z m -7.3826,21.77706 c -23.3423,0 0.6729,0.0778 -24.5151,0 0,-5.63545 4.8015,-10.20388 12.2576,-10.20395 7.4559,0 12.2575,4.56843 12.2575,10.20395 z m -4.8375,-19.43177 c 10e-5,4.09803 -3.322,7.42012 -7.42,7.42012 -4.0981,-3e-5 -7.4202,-3.32212 -7.4202,-7.42012 0,-4.09801 3.3221,-7.42009 7.4202,-7.42013 4.098,0 7.4201,3.32208 7.42,7.42013 z"
+           inkscape:label="Identity" /></g></g></g></svg>
diff --git a/book/source/diag/OpenPGP_Signature_packet.svg b/book/source/diag/OpenPGP_Signature_packet.svg
new file mode 100644
index 0000000..54cde9f
--- /dev/null
+++ b/book/source/diag/OpenPGP_Signature_packet.svg
@@ -0,0 +1,288 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   viewBox="0 0 661.15528 284.26419"
+   version="1.1"
+   id="svg1"
+   width="661.15527"
+   height="284.26419"
+   xml:space="preserve"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:svg="http://www.w3.org/2000/svg"><defs
+     id="defs1"><marker
+       style="overflow:visible"
+       id="marker98"
+       refX="0"
+       refY="0"
+       orient="auto"
+       markerWidth="1"
+       markerHeight="1"
+       viewBox="0 0 1 1"
+       preserveAspectRatio="xMidYMid"><path
+         transform="scale(0.5)"
+         style="fill:context-stroke;fill-rule:evenodd;stroke:none"
+         d="M -5,-5 V 5 H 5 V -5 Z"
+         id="path98" /></marker><marker
+       style="overflow:visible"
+       id="Square"
+       refX="0"
+       refY="0"
+       orient="auto"
+       markerWidth="1"
+       markerHeight="1"
+       viewBox="0 0 1 1"
+       preserveAspectRatio="xMidYMid"><path
+         transform="scale(0.5)"
+         style="fill:context-stroke;fill-rule:evenodd;stroke:none"
+         d="M -5,-5 V 5 H 5 V -5 Z"
+         id="path18" /></marker><linearGradient
+       id="swatch251"><stop
+         style="stop-color:#195962;stop-opacity:1;"
+         offset="0"
+         id="stop251" /></linearGradient><filter
+       style="color-interpolation-filters:sRGB"
+       id="filter90-2-0-5"
+       x="-0.035144769"
+       y="-0.028762207"
+       width="1.0759963"
+       height="1.0655139"><feFlood
+         result="flood"
+         in="SourceGraphic"
+         flood-opacity="0.796078"
+         flood-color="rgb(62,67,73)"
+         id="feFlood89-3-6-2" /><feGaussianBlur
+         result="blur"
+         in="SourceGraphic"
+         stdDeviation="2.132 0"
+         id="feGaussianBlur89-7-8-5" /><feOffset
+         result="offset"
+         in="blur"
+         dx="1.000000"
+         dy="1.000000"
+         id="feOffset89-5-9-4" /><feComposite
+         result="comp1"
+         operator="in"
+         in="flood"
+         in2="offset"
+         id="feComposite89-9-2-7" /><feComposite
+         result="fbSourceGraphic"
+         operator="over"
+         in="SourceGraphic"
+         in2="comp1"
+         id="feComposite90-2-6-4" /><feColorMatrix
+         result="fbSourceGraphicAlpha"
+         in="fbSourceGraphic"
+         values="0 0 0 -1 0 0 0 0 -1 0 0 0 0 -1 0 0 0 0 1 0"
+         id="feColorMatrix90-2-6-4" /><feFlood
+         id="feFlood90-8-4-3"
+         result="flood"
+         in="fbSourceGraphic"
+         flood-opacity="0.796078"
+         flood-color="rgb(62,67,73)" /><feGaussianBlur
+         id="feGaussianBlur90-9-9-0"
+         result="blur"
+         in="fbSourceGraphic"
+         stdDeviation="3.000000" /><feOffset
+         id="feOffset90-7-5-7"
+         result="offset"
+         in="blur"
+         dx="1.000000"
+         dy="1.000000" /><feComposite
+         id="feComposite91-3-0-8"
+         result="comp1"
+         operator="in"
+         in="flood"
+         in2="offset" /><feComposite
+         id="feComposite92-6-4-6"
+         result="comp2"
+         operator="over"
+         in="fbSourceGraphic"
+         in2="comp1" /></filter><marker
+       style="overflow:visible"
+       id="ColoredDot-5"
+       refX="-3"
+       refY="0"
+       orient="auto-start-reverse"
+       markerWidth="1"
+       markerHeight="1"
+       viewBox="0 0 1 1"
+       preserveAspectRatio="xMidYMid"><path
+         transform="scale(0.45)"
+         style="fill:context-fill;fill-rule:evenodd;stroke:context-stroke;stroke-width:2"
+         d="M 5,0 C 5,2.76 2.76,5 0,5 -2.76,5 -5,2.76 -5,0 c 0,-2.76 2.3,-5 5,-5 2.76,0 5,2.24 5,5 z"
+         id="path14-1" /></marker><marker
+       style="overflow:visible"
+       id="SemiCircleFilled-0"
+       refX="0"
+       refY="0"
+       orient="auto"
+       markerWidth="1"
+       markerHeight="1"
+       viewBox="0 0 1 1"
+       preserveAspectRatio="xMidYMid"><path
+         style="fill:context-stroke;fill-rule:evenodd;stroke:context-stroke;stroke-width:0.6pt"
+         d="m -0.22470421,-0.02741555 c 0,1.65599995 1.34400001,2.99999995 3.00000001,2.99999995 v -6 c -1.656,0 -3.00000001,1.344 -3.00000001,3.00000005 z"
+         id="path25-8" /></marker></defs><!--! Font Awesome Pro 6.4.2 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license (Commercial License) Copyright 2023 Fonticons, Inc. --><g
+     id="layer18"
+     style="display:inline"
+     transform="translate(-2440.9629,1807.8019)"><g
+       id="layer31"
+       style="display:inline"><rect
+         style="display:inline;fill:#ffffff;fill-opacity:1;stroke-width:0.901674;stroke-linecap:round;stroke-dasharray:none;paint-order:fill markers stroke;filter:url(#filter90-2-0-5)"
+         id="rect95"
+         width="645.67273"
+         height="301.46606"
+         x="2448.6626"
+         y="-1785.858"
+         ry="22.716982"
+         transform="matrix(0.86542851,0,0,0.79486971,371.41188,-369.08179)"
+         rx="22.716982" /><rect
+         style="display:inline;fill:#ffffff;fill-opacity:1;stroke:#195962;stroke-width:1.24981;stroke-linecap:butt;stroke-linejoin:miter;stroke-dasharray:2.49963, 2.49963;stroke-dashoffset:0;stroke-opacity:1;paint-order:fill markers stroke"
+         id="rect66-2-9-0-4"
+         width="247.22639"
+         height="131.96223"
+         x="2610.8149"
+         y="-1697.3578"
+         ry="0" /><g
+         id="g5-7"
+         transform="matrix(0.84442591,0,0,0.64445629,2171.0475,-2173.5915)"
+         style="display:inline;stroke-width:1.7;stroke-dasharray:none"><path
+           id="rect2-5-2"
+           style="display:inline;fill:#ede8c0;fill-opacity:0.6;stroke:none;stroke-width:1.475;stroke-linecap:square;stroke-miterlimit:0;stroke-dasharray:2.95, 2.95;stroke-dashoffset:0;stroke-opacity:1;paint-order:fill markers stroke"
+           d="m 829.6162,807.10742 h 176.8247 a 13.134939,13.134939 45 0 1 13.1349,13.13494 v 81.2156 a 13.134939,13.134939 135 0 1 -13.1349,13.13494 H 829.6162 a 30.342731,30.342731 23.407104 0 1 -22.12405,-9.57719 l -32.4645,-34.58836 a 13.994242,13.994242 90 0 1 0,-19.15438 l 32.4645,-34.58836 a 30.342731,30.342731 156.5929 0 1 22.12405,-9.57719 z"
+           transform="matrix(0.97234154,0,0,1.1146056,-210.63496,-91.148873)" /><path
+           id="rect2-5-2-5"
+           style="display:inline;fill:none;fill-opacity:0.6;stroke:#c7b730;stroke-width:1.74615;stroke-linecap:round;stroke-miterlimit:0;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;paint-order:fill markers stroke"
+           d="m 991.2383,807.10742 h 15.2026 c 7.2542,0 13.1349,5.88071 13.1349,13.13494 v 81.2156 c 0,7.25423 -5.8807,13.13494 -13.1349,13.13494 H 829.6162 c -8.38085,0 -16.38848,-3.46639 -22.12405,-9.57719 l -32.4645,-34.58836 c -5.054,-5.38465 -5.054,-13.76973 0,-19.15438 l 32.4645,-34.58836 c 2.76755,-2.94861 6.06411,-5.28152 9.67633,-6.90639"
+           transform="matrix(0.97234154,0,0,1.1146056,-210.63707,-91.148873)" /><text
+           xml:space="preserve"
+           style="font-style:normal;font-variant:normal;font-weight:500;font-stretch:normal;font-size:13.3333px;font-family:Montserrat;-inkscape-font-specification:'Montserrat, Medium';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal;text-align:start;text-anchor:start;white-space:pre;inline-size:202.099;display:inline;fill:#3e4349;fill-opacity:1;stroke:none;stroke-width:3.21325;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:none;stroke-opacity:1;paint-order:markers fill stroke"
+           x="876.12891"
+           y="573.06091"
+           id="text11-9-0-0-9-2-2"
+           transform="matrix(1.1850569,0,0,1.5506213,-446.49347,-31.289502)"><tspan
+             x="876.12891"
+             y="573.06091"
+             id="tspan2">- signature type</tspan></text><text
+           xml:space="preserve"
+           style="font-style:normal;font-variant:normal;font-weight:500;font-stretch:normal;font-size:13.3333px;font-family:Montserrat;-inkscape-font-specification:'Montserrat, Medium';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal;text-align:start;text-anchor:start;white-space:pre;inline-size:202.099;display:inline;fill:#3e4349;fill-opacity:1;stroke:none;stroke-width:3.21325;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:none;stroke-opacity:1;paint-order:markers fill stroke"
+           x="876.12891"
+           y="573.06091"
+           id="text11-9-0-0-9-2-8-5"
+           transform="matrix(1.1850569,0,0,1.5506213,-445.46666,-0.49048871)"><tspan
+             x="876.12891"
+             y="573.06091"
+             id="tspan3">- additional metadata</tspan></text></g><g
+         id="g10-8-7-3-0"
+         transform="matrix(0.36466383,0.22082643,-0.22082643,0.36466383,2930.9828,-2001.868)"
+         style="display:inline;fill:#c83737;stroke-width:1.7;stroke-dasharray:none"><circle
+           style="fill:#ffffff;fill-opacity:1;stroke:none;stroke-width:14.841;stroke-linecap:square;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;paint-order:fill markers stroke"
+           id="path73-6-7-4"
+           cx="228.22922"
+           cy="841.32001"
+           transform="rotate(0.01535728)"
+           r="33.171581" /><path
+           id="path3-6-9-0-8"
+           style="font-variation-settings:'wght' 700;fill:none;stroke:#195962;stroke-width:6.40174;stroke-linecap:round;stroke-linejoin:round;paint-order:markers fill stroke"
+           d="m 563.52509,693.28894 a 35.520878,35.520878 0 0 1 -35.52088,35.52088 35.520878,35.520878 0 0 1 -35.52088,-35.52088 35.520878,35.520878 0 0 1 35.52088,-35.52088 35.520878,35.520878 0 0 1 35.52088,35.52088 z"
+           transform="rotate(22.152263)" /><g
+           id="g9-2-1-6-0"
+           transform="translate(-1.3219444,-1.6027733)"><path
+             d="m 221.1513,845.27224 c 0.0245,1.19424 -0.23692,2.22055 -0.78414,3.07896 -0.54765,0.83668 -1.38159,1.48371 -2.5018,1.94111 -1.12021,0.45737 -2.51629,0.70319 -4.18825,0.73743 -1.23765,0.0254 -2.3034,-0.0398 -3.19722,-0.19519 -0.40967,-0.0614 -0.81981,-0.1454 -1.2304,-0.25248 -0.81861,-0.21326 -1.47042,-1.16054 -1.48776,-2.00679 l -0.0193,-0.94161 c -0.0173,-0.84625 0.59808,-1.25531 1.40189,-0.99093 0.54067,0.1779 1.10164,0.33456 1.68292,0.47012 1.11318,0.2596 2.09317,0.38071 2.94,0.36338 0.95541,-0.0196 1.62563,-0.17459 2.01069,-0.46476 0.40678,-0.29073 0.6055,-0.66408 0.59616,-1.12009 -0.006,-0.30395 -0.0986,-0.57361 -0.27724,-0.80889 -0.15687,-0.23564 -0.50985,-0.50005 -1.05893,-0.79293 -0.54906,-0.29285 -1.40389,-0.66636 -2.56449,-1.1205 -1.11717,-0.45504 -2.0387,-0.90321 -2.76459,-1.3445 -0.72633,-0.46305 -1.26988,-1.0167 -1.63063,-1.66098 -0.36121,-0.66602 -0.55204,-1.49842 -0.57249,-2.49726 -0.0338,-1.65022 0.58141,-2.901 1.84562,-3.75236 1.2642,-0.85137 2.96027,-1.29882 5.08819,-1.3424 1.1074,-0.0227 2.16274,0.0643 3.166,0.26099 0.55248,0.10835 1.1157,0.25922 1.68968,0.45273 0.80179,0.27028 1.17351,1.19658 0.86143,1.98335 l -0.26453,0.66566 c -0.31266,0.78654 -1.20031,1.16326 -2.0021,0.89235 -0.36088,-0.12188 -0.71322,-0.23163 -1.057,-0.32905 -0.78701,-0.24462 -1.58224,-0.35863 -2.38563,-0.34218 -0.71656,0.0147 -1.25739,0.12356 -1.62252,0.32648 -0.34343,0.20264 -0.51112,0.49924 -0.50312,0.89009 0.006,0.28225 0.098,0.54105 0.27657,0.77636 0.19986,0.21314 0.56303,0.44464 1.0895,0.69452 0.54818,0.24942 1.34781,0.58068 2.39896,0.99362 1.029,0.39161 1.91729,0.80789 2.66487,1.24877 0.74715,0.41919 1.32306,0.96129 1.72768,1.62641 0.4259,0.64296 0.64974,1.49642 0.67154,2.5604 z m 8.40639,-11.1515 0.30142,14.71885 c 0.0173,0.84626 -0.6546,1.54635 -1.5009,1.56367 l -1.78842,0.0366 c -0.84626,0.0173 -1.54635,-0.6546 -1.56367,-1.5009 l -0.30141,-14.71886 c -0.0173,-0.84627 0.6546,-1.54636 1.5009,-1.56367 l 1.78841,-0.0366 c 0.84627,-0.0173 1.54636,0.6546 1.56367,1.50092 z m -2.58432,-8.45298 c 0.71654,-0.0147 1.33892,0.1463 1.86718,0.48309 0.52779,0.31507 0.80102,0.92856 0.8197,1.8405 0.0182,0.89027 -0.22965,1.51444 -0.74357,1.87258 -0.51404,0.35807 -1.12931,0.54445 -1.84585,0.55913 -0.73826,0.0151 -1.37152,-0.14564 -1.89976,-0.48242 -0.50653,-0.33721 -0.7689,-0.95093 -0.78714,-1.84119 -0.0187,-0.91197 0.21837,-1.53591 0.71111,-1.87186 0.51401,-0.35808 1.14015,-0.54469 1.87841,-0.5598 z m 13.39221,6.37288 c 1.08569,-0.0222 2.06723,0.17489 2.94469,0.5914 0.87743,0.41649 1.62903,1.05274 2.25479,1.90885 l 0.13022,-0.003 c 0.053,-1.62151 0.92731,-2.07451 1.82469,-2.0929 l 1.0393,-0.0213 c 0.84625,-0.0173 1.54634,0.6546 1.56365,1.50091 l 0.14972,16.1761 c 0.006,0.63934 -0.23499,1.62306 -0.66503,2.2835 -0.43004,0.66044 -1.6198,1.93803 -2.93234,2.55141 -1.31208,0.63511 -2.94522,0.97267 -4.89944,1.0127 -1.2594,0.0258 -2.43346,-0.0261 -3.52226,-0.15591 -0.5644,-0.0688 -1.12339,-0.17137 -1.677,-0.30716 -0.82165,-0.20163 -1.4805,-1.1291 -1.49782,-1.97537 l -0.0166,-0.8113 c -0.0173,-0.84624 0.6054,-1.27193 1.41728,-1.03366 0.63265,0.18566 1.27493,0.33315 1.92677,0.44237 1.17744,0.21474 2.3741,0.30981 3.59007,0.28491 1.25939,-0.0258 1.98092,-0.20257 2.81336,-0.83044 0.83244,-0.62787 0.89293,-1.80789 0.88606,-2.76748 -0.007,-0.9596 -0.0109,-0.89572 0.005,-1.20015 l -0.093,0.14247 c -0.58885,0.94616 -1.30245,1.63415 -2.14085,2.06405 -0.8384,0.4299 -1.78955,0.65574 -2.85352,0.67753 -2.10622,0.0431 -3.77289,-0.72647 -5.00005,-2.30882 -1.2059,-1.60451 -1.8384,-3.85073 -1.89754,-6.73862 -0.0596,-2.90961 0.50192,-5.19113 1.68453,-6.84455 1.18262,-1.65342 2.83789,-2.50193 4.96582,-2.54551 z m 1.61152,3.90968 c -0.75999,0.0156 -1.3963,0.235 -1.90898,0.65818 -0.4914,0.40107 -0.85915,1.00596 -1.10329,1.81472 -0.22283,0.78655 -0.32202,1.77699 -0.29756,2.97124 0.0365,1.78052 0.34608,3.1101 0.92888,3.9888 0.58233,0.85699 1.47062,1.27326 2.66486,1.2488 0.62971,-0.0129 1.17099,-0.0999 1.62385,-0.2613 0.45245,-0.18299 0.81602,-0.46201 1.09073,-0.83695 0.29598,-0.39705 0.51374,-0.90114 0.65333,-1.5122 0.1396,-0.6111 0.20037,-1.3509 0.18258,-2.21946 l -0.012,-0.58626 c -0.0262,-1.2811 -0.17753,-2.30982 -0.4542,-3.08619 -0.27657,-0.77636 -0.68982,-1.33268 -1.23979,-1.66898 -0.55038,-0.358 -1.25984,-0.52813 -2.12841,-0.51033 z"
+             style="font-size:13.2602px;font-family:'Noto Sans';-inkscape-font-specification:'Noto Sans, @wght=700';font-variation-settings:'wght' 700;display:inline;fill:#195962;stroke-width:10.8591;stroke-linecap:round;stroke-linejoin:round;paint-order:markers fill stroke"
+             id="path1-2-8-1-9-4" /><path
+             id="path4-4-9-2-29"
+             style="font-variation-settings:'wght' 700;display:inline;fill:none;stroke:#195962;stroke-width:3.64767;stroke-linecap:round;stroke-linejoin:round;stroke-opacity:1;paint-order:markers fill stroke"
+             d="m 208.35953,828.56065 c 4.20155,-6.40232 11.67933,-11.91499 20.19969,-11.73012 8.20624,0.17805 13.83263,3.91368 19.70116,9.24107" /><path
+             id="path4-6-7-0-1-61"
+             style="font-variation-settings:'wght' 700;display:inline;fill:none;stroke:#195962;stroke-width:3.64767;stroke-linecap:round;stroke-linejoin:round;stroke-opacity:1;paint-order:markers fill stroke"
+             d="m 248.51397,859.76996 c -5.73327,5.42971 -12.71409,8.56595 -19.29605,9.02109 -8.96638,0.62002 -15.41863,-3.91867 -20.7683,-10.62518" /></g></g><text
+         xml:space="preserve"
+         style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-size:13.3333px;font-family:Montserrat;-inkscape-font-specification:'Montserrat, Bold';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal;text-align:start;text-anchor:start;white-space:pre;inline-size:202.099;display:inline;fill:#3e4349;fill-opacity:1;stroke:none;stroke-width:3.21325;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:none;stroke-opacity:1;paint-order:markers fill stroke"
+         x="876.12891"
+         y="573.06091"
+         id="text11-9-0-0-9-2-5-9-1-5"
+         transform="matrix(1.0006928,0,0,0.99930768,1791.0981,-2221.7734)"><tspan
+           x="876.12891"
+           y="573.06091"
+           id="tspan4">Signature metadata</tspan></text><text
+         xml:space="preserve"
+         style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:18.6667px;font-family:Sans;-inkscape-font-specification:'Sans, @wght=500';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal;font-variation-settings:'wght' 500;text-align:start;text-anchor:start;white-space:pre;inline-size:181.983;display:inline;fill:#3e4349;fill-opacity:1;stroke:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:none;stroke-opacity:1;paint-order:markers fill stroke"
+         x="2305.3945"
+         y="-262.66516"
+         id="text11-2-8-02-9-7-4"
+         transform="matrix(0.98944431,0,0,1.0106683,332.00968,-1477.0418)"><tspan
+           x="2305.3945"
+           y="-262.66516"
+           id="tspan6"><tspan
+             style="font-weight:500;font-family:Montserrat;-inkscape-font-specification:'Montserrat Medium'"
+             id="tspan5">OpenPGP </tspan></tspan><tspan
+           x="2305.3945"
+           y="-239.15969"
+           id="tspan9"><tspan
+             style="font-weight:500;font-family:Montserrat;-inkscape-font-specification:'Montserrat Medium'"
+             id="tspan7">signature </tspan><tspan
+             style="font-weight:500;font-family:Montserrat;-inkscape-font-specification:'Montserrat Medium'"
+             id="tspan8">packet</tspan></tspan></text><path
+         style="display:inline;fill:none;fill-opacity:1;stroke:#195962;stroke-width:1.5;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:0;stroke-dasharray:3, 3;stroke-dashoffset:0;stroke-opacity:1;marker-start:url(#Square);paint-order:fill markers stroke"
+         d="m 2841.7159,-1632.5872 h 45.4049 l 0.5056,16.8377"
+         id="path252-2-0" /><path
+         style="display:inline;fill:none;fill-opacity:1;stroke:#baa600;stroke-width:1.5;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:0;stroke-dasharray:3, 3;stroke-dashoffset:0;stroke-opacity:1;marker-end:url(#marker98);paint-order:fill markers stroke"
+         d="m 2658.3196,-1712.0501 -0.1799,61.7927"
+         id="path252-2-0-1" /><g
+         id="g74-3"
+         transform="translate(1964.2617,-2235.6361)"
+         style="display:inline;stroke-width:1.7;stroke-dasharray:none"><text
+           xml:space="preserve"
+           style="font-style:normal;font-variant:normal;font-weight:500;font-stretch:normal;font-size:13.3333px;font-family:Montserrat;-inkscape-font-specification:'Montserrat, Medium';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal;text-align:start;text-anchor:start;white-space:pre;inline-size:202.099;display:inline;fill:#3e4349;fill-opacity:1;stroke:none;stroke-width:3.21325;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:none;stroke-opacity:1;paint-order:markers fill stroke"
+           x="876.12891"
+           y="573.06091"
+           id="text11-9-0-0-9-2-0-9"
+           transform="matrix(1.0006928,0,0,0.99930768,23.660794,59.513799)"><tspan
+             x="876.12891"
+             y="573.06091"
+             id="tspan10">Cryptographic signature</tspan></text></g><g
+         id="g48-6-7-7-3-3"
+         transform="matrix(0.29173574,-0.16572582,0.16572582,0.29173574,2175.6764,-1890.5361)"
+         style="display:inline"><g
+           id="g47-1-3-6-9-0"><path
+             id="rect72-5-1-1-4-4"
+             d="m 465.54003,1054.3166 25.38484,-19.1223 a 6.2319955,6.2319955 1.372191 0 1 7.73342,0.1853 l 22.40305,18.6225 a 17.856072,17.856072 64.867503 0 1 6.4418,13.7314 v 58.4004 a 9.8529047,9.8529047 135 0 1 -9.8529,9.8529 h -48.9481 a 9.8529047,9.8529047 45 0 1 -9.8529,-9.8529 v -58.4004 a 16.797717,16.797717 116.50469 0 1 6.69079,-13.4169 z"
+             style="fill:#ffffff;fill-opacity:1;stroke:#baa600;stroke-width:10;stroke-linecap:square;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;paint-order:fill markers stroke"
+             transform="matrix(0.44075795,-0.76341516,0.76341516,0.44075795,-557.60908,1109.4717)" /><g
+             id="g44-9-1-5-8-4"
+             transform="rotate(30.10635,504.1885,1346.6982)"
+             style="fill:#c83737"><path
+               style="display:inline;fill:#c83737;stroke:#baa600;stroke-width:6.06396;stroke-linecap:round;stroke-dasharray:none;stroke-opacity:1;paint-order:fill markers stroke"
+               d="m 403.0337,1236.656 26.84972,-0.038 v 0"
+               id="path43-4-9-0-1-4" /><path
+               style="display:inline;fill:#c83737;stroke:#baa600;stroke-width:6.06396;stroke-linecap:round;stroke-dasharray:none;stroke-opacity:1;paint-order:fill markers stroke"
+               d="m 403.0337,1249.1118 26.84972,-0.038 v 0"
+               id="path43-3-9-0-6-2-4" /><g
+               id="g73-0-5-5-9-7"
+               transform="matrix(0.31111753,0.56338248,-0.56338248,0.31111753,965.42419,500.4011)"><g
+                 id="g10-8-9-6-0-3-6"
+                 transform="rotate(-30,1140.748,355.65631)"><circle
+                   style="fill:#ffffff;fill-opacity:1;stroke:none;stroke-width:14.841;stroke-linecap:square;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;paint-order:fill markers stroke"
+                   id="path73-1-7-8-9-3"
+                   cx="228.22922"
+                   cy="841.32001"
+                   transform="rotate(0.01535728)"
+                   r="33.171581" /><path
+                   id="path3-6-7-7-1-0-1"
+                   style="font-variation-settings:'wght' 700;fill:none;stroke:#195962;stroke-width:6.40174;stroke-linecap:round;stroke-linejoin:round;paint-order:markers fill stroke"
+                   d="m 563.52509,693.28894 a 35.520878,35.520878 0 0 1 -35.52088,35.52088 35.520878,35.520878 0 0 1 -35.52088,-35.52088 35.520878,35.520878 0 0 1 35.52088,-35.52088 35.520878,35.520878 0 0 1 35.52088,35.52088 z"
+                   transform="rotate(22.152263)" /><g
+                   id="g9-2-7-4-2-8-7"
+                   transform="translate(-1.3219444,-1.6027733)"><path
+                     d="m 221.1513,845.27224 c 0.0245,1.19424 -0.23692,2.22055 -0.78414,3.07896 -0.54765,0.83668 -1.38159,1.48371 -2.5018,1.94111 -1.12021,0.45737 -2.51629,0.70319 -4.18825,0.73743 -1.23765,0.0254 -2.3034,-0.0398 -3.19722,-0.19519 -0.40967,-0.0614 -0.81981,-0.1454 -1.2304,-0.25248 -0.81861,-0.21326 -1.47042,-1.16054 -1.48776,-2.00679 l -0.0193,-0.94161 c -0.0173,-0.84625 0.59808,-1.25531 1.40189,-0.99093 0.54067,0.1779 1.10164,0.33456 1.68292,0.47012 1.11318,0.2596 2.09317,0.38071 2.94,0.36338 0.95541,-0.0196 1.62563,-0.17459 2.01069,-0.46476 0.40678,-0.29073 0.6055,-0.66408 0.59616,-1.12009 -0.006,-0.30395 -0.0986,-0.57361 -0.27724,-0.80889 -0.15687,-0.23564 -0.50985,-0.50005 -1.05893,-0.79293 -0.54906,-0.29285 -1.40389,-0.66636 -2.56449,-1.1205 -1.11717,-0.45504 -2.0387,-0.90321 -2.76459,-1.3445 -0.72633,-0.46305 -1.26988,-1.0167 -1.63063,-1.66098 -0.36121,-0.66602 -0.55204,-1.49842 -0.57249,-2.49726 -0.0338,-1.65022 0.58141,-2.901 1.84562,-3.75236 1.2642,-0.85137 2.96027,-1.29882 5.08819,-1.3424 1.1074,-0.0227 2.16274,0.0643 3.166,0.26099 0.55248,0.10835 1.1157,0.25922 1.68968,0.45273 0.80179,0.27028 1.17351,1.19658 0.86143,1.98335 l -0.26453,0.66566 c -0.31266,0.78654 -1.20031,1.16326 -2.0021,0.89235 -0.36088,-0.12188 -0.71322,-0.23163 -1.057,-0.32905 -0.78701,-0.24462 -1.58224,-0.35863 -2.38563,-0.34218 -0.71656,0.0147 -1.25739,0.12356 -1.62252,0.32648 -0.34343,0.20264 -0.51112,0.49924 -0.50312,0.89009 0.006,0.28225 0.098,0.54105 0.27657,0.77636 0.19986,0.21314 0.56303,0.44464 1.0895,0.69452 0.54818,0.24942 1.34781,0.58068 2.39896,0.99362 1.029,0.39161 1.91729,0.80789 2.66487,1.24877 0.74715,0.41919 1.32306,0.96129 1.72768,1.62641 0.4259,0.64296 0.64974,1.49642 0.67154,2.5604 z m 8.40639,-11.1515 0.30142,14.71885 c 0.0173,0.84626 -0.6546,1.54635 -1.5009,1.56367 l -1.78842,0.0366 c -0.84626,0.0173 -1.54635,-0.6546 -1.56367,-1.5009 l -0.30141,-14.71886 c -0.0173,-0.84627 0.6546,-1.54636 1.5009,-1.56367 l 1.78841,-0.0366 c 0.84627,-0.0173 1.54636,0.6546 1.56367,1.50092 z m -2.58432,-8.45298 c 0.71654,-0.0147 1.33892,0.1463 1.86718,0.48309 0.52779,0.31507 0.80102,0.92856 0.8197,1.8405 0.0182,0.89027 -0.22965,1.51444 -0.74357,1.87258 -0.51404,0.35807 -1.12931,0.54445 -1.84585,0.55913 -0.73826,0.0151 -1.37152,-0.14564 -1.89976,-0.48242 -0.50653,-0.33721 -0.7689,-0.95093 -0.78714,-1.84119 -0.0187,-0.91197 0.21837,-1.53591 0.71111,-1.87186 0.51401,-0.35808 1.14015,-0.54469 1.87841,-0.5598 z m 13.39221,6.37288 c 1.08569,-0.0222 2.06723,0.17489 2.94469,0.5914 0.87743,0.41649 1.62903,1.05274 2.25479,1.90885 l 0.13022,-0.003 c 0.053,-1.62151 0.92731,-2.07451 1.82469,-2.0929 l 1.0393,-0.0213 c 0.84625,-0.0173 1.54634,0.6546 1.56365,1.50091 l 0.14972,16.1761 c 0.006,0.63934 -0.23499,1.62306 -0.66503,2.2835 -0.43004,0.66044 -1.6198,1.93803 -2.93234,2.55141 -1.31208,0.63511 -2.94522,0.97267 -4.89944,1.0127 -1.2594,0.0258 -2.43346,-0.0261 -3.52226,-0.15591 -0.5644,-0.0688 -1.12339,-0.17137 -1.677,-0.30716 -0.82165,-0.20163 -1.4805,-1.1291 -1.49782,-1.97537 l -0.0166,-0.8113 c -0.0173,-0.84624 0.6054,-1.27193 1.41728,-1.03366 0.63265,0.18566 1.27493,0.33315 1.92677,0.44237 1.17744,0.21474 2.3741,0.30981 3.59007,0.28491 1.25939,-0.0258 1.98092,-0.20257 2.81336,-0.83044 0.83244,-0.62787 0.89293,-1.80789 0.88606,-2.76748 -0.007,-0.9596 -0.0109,-0.89572 0.005,-1.20015 l -0.093,0.14247 c -0.58885,0.94616 -1.30245,1.63415 -2.14085,2.06405 -0.8384,0.4299 -1.78955,0.65574 -2.85352,0.67753 -2.10622,0.0431 -3.77289,-0.72647 -5.00005,-2.30882 -1.2059,-1.60451 -1.8384,-3.85073 -1.89754,-6.73862 -0.0596,-2.90961 0.50192,-5.19113 1.68453,-6.84455 1.18262,-1.65342 2.83789,-2.50193 4.96582,-2.54551 z m 1.61152,3.90968 c -0.75999,0.0156 -1.3963,0.235 -1.90898,0.65818 -0.4914,0.40107 -0.85915,1.00596 -1.10329,1.81472 -0.22283,0.78655 -0.32202,1.77699 -0.29756,2.97124 0.0365,1.78052 0.34608,3.1101 0.92888,3.9888 0.58233,0.85699 1.47062,1.27326 2.66486,1.2488 0.62971,-0.0129 1.17099,-0.0999 1.62385,-0.2613 0.45245,-0.18299 0.81602,-0.46201 1.09073,-0.83695 0.29598,-0.39705 0.51374,-0.90114 0.65333,-1.5122 0.1396,-0.6111 0.20037,-1.3509 0.18258,-2.21946 l -0.012,-0.58626 c -0.0262,-1.2811 -0.17753,-2.30982 -0.4542,-3.08619 -0.27657,-0.77636 -0.68982,-1.33268 -1.23979,-1.66898 -0.55038,-0.358 -1.25984,-0.52813 -2.12841,-0.51033 z"
+                     style="font-size:13.2602px;font-family:'Noto Sans';-inkscape-font-specification:'Noto Sans, @wght=700';font-variation-settings:'wght' 700;display:inline;fill:#195962;stroke-width:10.8591;stroke-linecap:round;stroke-linejoin:round;paint-order:markers fill stroke"
+                     id="path1-2-8-1-0-2-8-5" /><path
+                     id="path4-4-1-6-6-5-9"
+                     style="font-variation-settings:'wght' 700;display:inline;fill:none;stroke:#195962;stroke-width:3.64767;stroke-linecap:round;stroke-linejoin:round;stroke-opacity:1;paint-order:markers fill stroke"
+                     d="m 208.35953,828.56065 c 4.20155,-6.40232 11.67933,-11.91499 20.19969,-11.73012 8.20624,0.17805 13.83263,3.91368 19.70116,9.24107" /><path
+                     id="path4-6-7-5-4-9-0-6"
+                     style="font-variation-settings:'wght' 700;display:inline;fill:none;stroke:#195962;stroke-width:3.64767;stroke-linecap:round;stroke-linejoin:round;stroke-opacity:1;paint-order:markers fill stroke"
+                     d="m 248.51397,859.76996 c -5.73327,5.42971 -12.71409,8.56595 -19.29605,9.02109 -8.96638,0.62002 -15.41863,-3.91867 -20.7683,-10.62518" /></g></g></g></g></g></g><path
+         style="display:inline;fill:none;fill-opacity:1;stroke:#195962;stroke-width:1.49681;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:0;stroke-dasharray:2.99361, 2.99361;stroke-dashoffset:0;stroke-opacity:1;marker-start:url(#ColoredDot-5);marker-end:url(#SemiCircleFilled-0);paint-order:fill markers stroke"
+         d="m 2537.6816,-1608.9588 68.4746,-0.029"
+         id="path252-2-3" /></g></g></svg>
diff --git a/book/source/diag/OpenPGP_Signature_packet_2.svg b/book/source/diag/OpenPGP_Signature_packet_2.svg
new file mode 100644
index 0000000..46e481a
--- /dev/null
+++ b/book/source/diag/OpenPGP_Signature_packet_2.svg
@@ -0,0 +1,210 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   viewBox="0 0 658.42688 323.06079"
+   version="1.1"
+   id="svg1"
+   width="658.42688"
+   height="323.06079"
+   xml:space="preserve"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:svg="http://www.w3.org/2000/svg"><defs
+     id="defs1"><linearGradient
+       id="swatch251"><stop
+         style="stop-color:#195962;stop-opacity:1;"
+         offset="0"
+         id="stop251" /></linearGradient><filter
+       style="color-interpolation-filters:sRGB"
+       id="filter90-2-0-5-0"
+       x="-0.019782829"
+       y="-0.027737869"
+       width="1.042778"
+       height="1.0631807"><feFlood
+         result="flood"
+         in="SourceGraphic"
+         flood-opacity="0.796078"
+         flood-color="rgb(62,67,73)"
+         id="feFlood89-3-6-2-4" /><feGaussianBlur
+         result="blur"
+         in="SourceGraphic"
+         stdDeviation="2.132 0"
+         id="feGaussianBlur89-7-8-5-0" /><feOffset
+         result="offset"
+         in="blur"
+         dx="1.000000"
+         dy="1.000000"
+         id="feOffset89-5-9-4-8" /><feComposite
+         result="comp1"
+         operator="in"
+         in="flood"
+         in2="offset"
+         id="feComposite89-9-2-7-5" /><feComposite
+         result="fbSourceGraphic"
+         operator="over"
+         in="SourceGraphic"
+         in2="comp1"
+         id="feComposite90-2-6-4-1" /><feColorMatrix
+         result="fbSourceGraphicAlpha"
+         in="fbSourceGraphic"
+         values="0 0 0 -1 0 0 0 0 -1 0 0 0 0 -1 0 0 0 0 1 0"
+         id="feColorMatrix90-2-6-4-6" /><feFlood
+         id="feFlood90-8-4-3-6"
+         result="flood"
+         in="fbSourceGraphic"
+         flood-opacity="0.796078"
+         flood-color="rgb(62,67,73)" /><feGaussianBlur
+         id="feGaussianBlur90-9-9-0-2"
+         result="blur"
+         in="fbSourceGraphic"
+         stdDeviation="3.000000" /><feOffset
+         id="feOffset90-7-5-7-1"
+         result="offset"
+         in="blur"
+         dx="1.000000"
+         dy="1.000000" /><feComposite
+         id="feComposite91-3-0-8-9"
+         result="comp1"
+         operator="in"
+         in="flood"
+         in2="offset" /><feComposite
+         id="feComposite92-6-4-6-6"
+         result="comp2"
+         operator="over"
+         in="fbSourceGraphic"
+         in2="comp1" /></filter></defs><!--! Font Awesome Pro 6.4.2 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license (Commercial License) Copyright 2023 Fonticons, Inc. --><g
+     id="layer18"
+     style="display:inline"
+     transform="translate(-2438.4,1395.0202)"><g
+       id="layer32"
+       style="display:inline"><rect
+         style="display:inline;fill:#ffffff;fill-opacity:1;stroke:none;stroke-width:0.478;stroke-linecap:round;stroke-dasharray:none;stroke-opacity:1;paint-order:fill markers stroke;filter:url(#filter90-2-0-5-0)"
+         id="rect99"
+         width="622.60052"
+         height="259.57294"
+         x="2459.1152"
+         y="-1351.6664"
+         rx="30.798866"
+         ry="24.603634"
+         transform="matrix(0.88680169,0,0,0.93912168,310.30933,-83.327534)" /><g
+         id="g11-8-3-1-1-3"
+         transform="matrix(0.81520336,0,0,0.81520336,1774.5633,-1506.5959)"
+         style="display:inline;fill:#61a78d;fill-opacity:1"><rect
+           style="font-variation-settings:'wght' 700;fill:#195962;stroke-width:2.61827;stroke-linecap:round;stroke-linejoin:round;paint-order:markers fill stroke"
+           id="rect1-9-8-2-5-1"
+           width="357.45355"
+           height="59.990269"
+           x="920.04065"
+           y="155.65892" /><g
+           id="g4-7-0-4-5-9"
+           transform="matrix(1.018001,0,0,1,-27.722608,39.927363)"><rect
+             style="font-variation-settings:'wght' 700;fill:#e6e6e6;fill-opacity:1;stroke-width:2.55521;stroke-linecap:round;stroke-linejoin:round;paint-order:markers fill stroke"
+             id="rect1-3-7-5-7-4-4"
+             width="352.81458"
+             height="57.886284"
+             x="920.89868"
+             y="126.45267" /></g><text
+           xml:space="preserve"
+           style="font-style:normal;font-variant:normal;font-weight:600;font-stretch:normal;font-size:27.967px;font-family:Montserrat;-inkscape-font-specification:'Montserrat, Semi-Bold';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal;white-space:pre;inline-size:438.074;display:inline;fill:#3e4349;fill-opacity:1;stroke-width:3.5;stroke-linecap:round;stroke-linejoin:round;paint-order:markers fill stroke"
+           x="954.24536"
+           y="158.38867"
+           id="text1-6-6-8-06-5"
+           transform="matrix(0.85813569,0,0,0.85813569,101.95642,67.179281)"><tspan
+             x="954.24536"
+             y="158.38867"
+             id="tspan1">OpenPGP signature packet&#10;</tspan></text></g><g
+         id="g5-7-9"
+         transform="matrix(0.75811721,0,0,0.62777915,2261.2825,-1727.103)"
+         style="display:inline;fill:#61a78d;fill-opacity:1;stroke-width:1.7;stroke-dasharray:none"><path
+           id="rect2-5-2-7"
+           style="display:inline;fill:#ede8c0;fill-opacity:0.6;stroke:none;stroke-width:1.475;stroke-linecap:square;stroke-miterlimit:0;stroke-dasharray:2.95, 2.95;stroke-dashoffset:0;stroke-opacity:1;paint-order:fill markers stroke"
+           d="m 829.6162,807.10742 h 176.8247 a 13.134939,13.134939 45 0 1 13.1349,13.13494 v 81.2156 a 13.134939,13.134939 135 0 1 -13.1349,13.13494 H 829.6162 a 30.342731,30.342731 23.407104 0 1 -22.12405,-9.57719 l -32.4645,-34.58836 a 13.994242,13.994242 90 0 1 0,-19.15438 l 32.4645,-34.58836 a 30.342731,30.342731 156.5929 0 1 22.12405,-9.57719 z"
+           transform="matrix(1.0913493,0,0,1.1390201,-312.00721,-105.97179)" /><path
+           id="rect2-5-2-5-5"
+           style="display:inline;fill:none;fill-opacity:0.6;stroke:#c7b730;stroke-width:1.94683;stroke-linecap:round;stroke-miterlimit:0;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;paint-order:fill markers stroke"
+           d="m 769.77761,813.33976 h 16.59134 c 7.91687,0 14.33476,6.69825 14.33476,14.96096 v 92.5062 c 0,8.26272 -6.41789,14.96097 -14.33476,14.96097 h -192.9775 c -9.14644,0 -17.88556,-3.94829 -24.14507,-10.90862 l -35.4301,-39.39683 c -5.51568,-6.13323 -5.51568,-15.684 0,-21.81723 l 35.4301,-39.39683 c 3.02037,-3.35852 6.61807,-6.01576 10.56026,-7.86652" /><text
+           xml:space="preserve"
+           style="font-style:normal;font-variant:normal;font-weight:500;font-stretch:normal;font-size:13.3333px;font-family:Montserrat;-inkscape-font-specification:'Montserrat, Medium';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal;text-align:start;text-anchor:start;white-space:pre;inline-size:202.099;display:inline;fill:#3e4349;fill-opacity:1;stroke:none;stroke-width:3.21325;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:none;stroke-opacity:1;paint-order:markers fill stroke"
+           x="876.12891"
+           y="573.06091"
+           id="text11-9-0-0-9-2-2-6"
+           transform="matrix(1.1850569,0,0,1.5506213,-446.49347,-28.103668)"><tspan
+             x="876.12891"
+             y="573.06091"
+             id="tspan3">- signature type</tspan></text><text
+           xml:space="preserve"
+           style="font-style:normal;font-variant:normal;font-weight:500;font-stretch:normal;font-size:13.3333px;font-family:Montserrat;-inkscape-font-specification:'Montserrat, Medium';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal;text-align:start;text-anchor:start;white-space:pre;inline-size:202.099;display:inline;fill:#3e4349;fill-opacity:1;stroke:none;stroke-width:3.21325;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:none;stroke-opacity:1;paint-order:markers fill stroke"
+           x="876.12891"
+           y="573.06091"
+           id="text11-9-0-0-9-2-8-5-4"
+           transform="matrix(1.1850569,0,0,1.5506213,-445.46666,5.8811787)"><tspan
+             x="876.12891"
+             y="573.06091"
+             id="tspan4">- additional metadata</tspan></text></g><g
+         id="g10-8-7-3-0-2"
+         transform="matrix(0.36466383,0.22082643,-0.22082643,0.36466383,2968.2623,-1568.247)"
+         style="display:inline;fill:#c83737;stroke-width:1.7;stroke-dasharray:none"><circle
+           style="fill:#ffffff;fill-opacity:1;stroke:none;stroke-width:14.841;stroke-linecap:square;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;paint-order:fill markers stroke"
+           id="path73-6-7-4-7"
+           cx="228.22922"
+           cy="841.32001"
+           transform="rotate(0.01535728)"
+           r="33.171581" /><path
+           id="path3-6-9-0-8-0"
+           style="font-variation-settings:'wght' 700;fill:none;stroke:#195962;stroke-width:6.40174;stroke-linecap:round;stroke-linejoin:round;paint-order:markers fill stroke"
+           d="m 563.52509,693.28894 a 35.520878,35.520878 0 0 1 -35.52088,35.52088 35.520878,35.520878 0 0 1 -35.52088,-35.52088 35.520878,35.520878 0 0 1 35.52088,-35.52088 35.520878,35.520878 0 0 1 35.52088,35.52088 z"
+           transform="rotate(22.152263)" /><g
+           id="g9-2-1-6-0-3"
+           transform="translate(-1.3219444,-1.6027733)"><path
+             d="m 221.1513,845.27224 c 0.0245,1.19424 -0.23692,2.22055 -0.78414,3.07896 -0.54765,0.83668 -1.38159,1.48371 -2.5018,1.94111 -1.12021,0.45737 -2.51629,0.70319 -4.18825,0.73743 -1.23765,0.0254 -2.3034,-0.0398 -3.19722,-0.19519 -0.40967,-0.0614 -0.81981,-0.1454 -1.2304,-0.25248 -0.81861,-0.21326 -1.47042,-1.16054 -1.48776,-2.00679 l -0.0193,-0.94161 c -0.0173,-0.84625 0.59808,-1.25531 1.40189,-0.99093 0.54067,0.1779 1.10164,0.33456 1.68292,0.47012 1.11318,0.2596 2.09317,0.38071 2.94,0.36338 0.95541,-0.0196 1.62563,-0.17459 2.01069,-0.46476 0.40678,-0.29073 0.6055,-0.66408 0.59616,-1.12009 -0.006,-0.30395 -0.0986,-0.57361 -0.27724,-0.80889 -0.15687,-0.23564 -0.50985,-0.50005 -1.05893,-0.79293 -0.54906,-0.29285 -1.40389,-0.66636 -2.56449,-1.1205 -1.11717,-0.45504 -2.0387,-0.90321 -2.76459,-1.3445 -0.72633,-0.46305 -1.26988,-1.0167 -1.63063,-1.66098 -0.36121,-0.66602 -0.55204,-1.49842 -0.57249,-2.49726 -0.0338,-1.65022 0.58141,-2.901 1.84562,-3.75236 1.2642,-0.85137 2.96027,-1.29882 5.08819,-1.3424 1.1074,-0.0227 2.16274,0.0643 3.166,0.26099 0.55248,0.10835 1.1157,0.25922 1.68968,0.45273 0.80179,0.27028 1.17351,1.19658 0.86143,1.98335 l -0.26453,0.66566 c -0.31266,0.78654 -1.20031,1.16326 -2.0021,0.89235 -0.36088,-0.12188 -0.71322,-0.23163 -1.057,-0.32905 -0.78701,-0.24462 -1.58224,-0.35863 -2.38563,-0.34218 -0.71656,0.0147 -1.25739,0.12356 -1.62252,0.32648 -0.34343,0.20264 -0.51112,0.49924 -0.50312,0.89009 0.006,0.28225 0.098,0.54105 0.27657,0.77636 0.19986,0.21314 0.56303,0.44464 1.0895,0.69452 0.54818,0.24942 1.34781,0.58068 2.39896,0.99362 1.029,0.39161 1.91729,0.80789 2.66487,1.24877 0.74715,0.41919 1.32306,0.96129 1.72768,1.62641 0.4259,0.64296 0.64974,1.49642 0.67154,2.5604 z m 8.40639,-11.1515 0.30142,14.71885 c 0.0173,0.84626 -0.6546,1.54635 -1.5009,1.56367 l -1.78842,0.0366 c -0.84626,0.0173 -1.54635,-0.6546 -1.56367,-1.5009 l -0.30141,-14.71886 c -0.0173,-0.84627 0.6546,-1.54636 1.5009,-1.56367 l 1.78841,-0.0366 c 0.84627,-0.0173 1.54636,0.6546 1.56367,1.50092 z m -2.58432,-8.45298 c 0.71654,-0.0147 1.33892,0.1463 1.86718,0.48309 0.52779,0.31507 0.80102,0.92856 0.8197,1.8405 0.0182,0.89027 -0.22965,1.51444 -0.74357,1.87258 -0.51404,0.35807 -1.12931,0.54445 -1.84585,0.55913 -0.73826,0.0151 -1.37152,-0.14564 -1.89976,-0.48242 -0.50653,-0.33721 -0.7689,-0.95093 -0.78714,-1.84119 -0.0187,-0.91197 0.21837,-1.53591 0.71111,-1.87186 0.51401,-0.35808 1.14015,-0.54469 1.87841,-0.5598 z m 13.39221,6.37288 c 1.08569,-0.0222 2.06723,0.17489 2.94469,0.5914 0.87743,0.41649 1.62903,1.05274 2.25479,1.90885 l 0.13022,-0.003 c 0.053,-1.62151 0.92731,-2.07451 1.82469,-2.0929 l 1.0393,-0.0213 c 0.84625,-0.0173 1.54634,0.6546 1.56365,1.50091 l 0.14972,16.1761 c 0.006,0.63934 -0.23499,1.62306 -0.66503,2.2835 -0.43004,0.66044 -1.6198,1.93803 -2.93234,2.55141 -1.31208,0.63511 -2.94522,0.97267 -4.89944,1.0127 -1.2594,0.0258 -2.43346,-0.0261 -3.52226,-0.15591 -0.5644,-0.0688 -1.12339,-0.17137 -1.677,-0.30716 -0.82165,-0.20163 -1.4805,-1.1291 -1.49782,-1.97537 l -0.0166,-0.8113 c -0.0173,-0.84624 0.6054,-1.27193 1.41728,-1.03366 0.63265,0.18566 1.27493,0.33315 1.92677,0.44237 1.17744,0.21474 2.3741,0.30981 3.59007,0.28491 1.25939,-0.0258 1.98092,-0.20257 2.81336,-0.83044 0.83244,-0.62787 0.89293,-1.80789 0.88606,-2.76748 -0.007,-0.9596 -0.0109,-0.89572 0.005,-1.20015 l -0.093,0.14247 c -0.58885,0.94616 -1.30245,1.63415 -2.14085,2.06405 -0.8384,0.4299 -1.78955,0.65574 -2.85352,0.67753 -2.10622,0.0431 -3.77289,-0.72647 -5.00005,-2.30882 -1.2059,-1.60451 -1.8384,-3.85073 -1.89754,-6.73862 -0.0596,-2.90961 0.50192,-5.19113 1.68453,-6.84455 1.18262,-1.65342 2.83789,-2.50193 4.96582,-2.54551 z m 1.61152,3.90968 c -0.75999,0.0156 -1.3963,0.235 -1.90898,0.65818 -0.4914,0.40107 -0.85915,1.00596 -1.10329,1.81472 -0.22283,0.78655 -0.32202,1.77699 -0.29756,2.97124 0.0365,1.78052 0.34608,3.1101 0.92888,3.9888 0.58233,0.85699 1.47062,1.27326 2.66486,1.2488 0.62971,-0.0129 1.17099,-0.0999 1.62385,-0.2613 0.45245,-0.18299 0.81602,-0.46201 1.09073,-0.83695 0.29598,-0.39705 0.51374,-0.90114 0.65333,-1.5122 0.1396,-0.6111 0.20037,-1.3509 0.18258,-2.21946 l -0.012,-0.58626 c -0.0262,-1.2811 -0.17753,-2.30982 -0.4542,-3.08619 -0.27657,-0.77636 -0.68982,-1.33268 -1.23979,-1.66898 -0.55038,-0.358 -1.25984,-0.52813 -2.12841,-0.51033 z"
+             style="font-size:13.2602px;font-family:'Noto Sans';-inkscape-font-specification:'Noto Sans, @wght=700';font-variation-settings:'wght' 700;display:inline;fill:#195962;stroke-width:10.8591;stroke-linecap:round;stroke-linejoin:round;paint-order:markers fill stroke"
+             id="path1-2-8-1-9-4-4" /><path
+             id="path4-4-9-2-29-6"
+             style="font-variation-settings:'wght' 700;display:inline;fill:none;stroke:#195962;stroke-width:3.64767;stroke-linecap:round;stroke-linejoin:round;stroke-opacity:1;paint-order:markers fill stroke"
+             d="m 208.35953,828.56065 c 4.20155,-6.40232 11.67933,-11.91499 20.19969,-11.73012 8.20624,0.17805 13.83263,3.91368 19.70116,9.24107" /><path
+             id="path4-6-7-0-1-61-3"
+             style="font-variation-settings:'wght' 700;display:inline;fill:none;stroke:#195962;stroke-width:3.64767;stroke-linecap:round;stroke-linejoin:round;stroke-opacity:1;paint-order:markers fill stroke"
+             d="m 248.51397,859.76996 c -5.73327,5.42971 -12.71409,8.56595 -19.29605,9.02109 -8.96638,0.62002 -15.41863,-3.91867 -20.7683,-10.62518" /></g></g><rect
+         style="display:inline;fill:none;fill-opacity:1;stroke:#195962;stroke-width:1.28313;stroke-linecap:butt;stroke-linejoin:miter;stroke-dasharray:2.56625, 2.56625;stroke-dashoffset:0;stroke-opacity:1;paint-order:fill markers stroke"
+         id="rect66-2-9-0-2"
+         width="226.51097"
+         height="151.81158"
+         x="2657.8003"
+         y="-1278.835"
+         ry="0" /><text
+         xml:space="preserve"
+         style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-size:13.3333px;font-family:Montserrat;-inkscape-font-specification:'Montserrat, Bold';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal;text-align:start;text-anchor:start;white-space:pre;inline-size:202.099;display:inline;fill:#3e4349;fill-opacity:1;stroke:none;stroke-width:3.21325;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:none;stroke-opacity:1;paint-order:markers fill stroke"
+         x="876.12891"
+         y="573.06091"
+         id="text11-9-0-0-9-2-5-9-1-5-6"
+         transform="matrix(1.0006928,0,0,0.99930768,1826.1146,-1784.4127)"><tspan
+           x="876.12891"
+           y="573.06091"
+           id="tspan5">Signature metadata</tspan></text><text
+         xml:space="preserve"
+         style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-size:13.0667px;font-family:Montserrat;-inkscape-font-specification:'Montserrat, Bold';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal;text-align:start;text-anchor:start;display:inline;fill:#3e4349;fill-opacity:1;stroke:none;stroke-width:2.8271;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:none;stroke-opacity:1;paint-order:markers fill stroke"
+         x="2702.6885"
+         y="-1251.6135"
+         id="text11-2-8-96-5-4-9-7"><tspan
+           id="tspan11-9-0-0-9-9-1-9"
+           x="2702.6885"
+           y="-1251.6135"
+           style="font-style:normal;font-variant:normal;font-weight:500;font-stretch:normal;font-size:13.0667px;font-family:Montserrat;-inkscape-font-specification:'Montserrat Medium';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal;text-align:start;text-anchor:start;stroke-width:2.8271">Signature over:</tspan></text><text
+         xml:space="preserve"
+         style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-size:13.3333px;font-family:Montserrat;-inkscape-font-specification:'Montserrat, Bold';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal;text-align:start;text-anchor:start;white-space:pre;inline-size:202.099;display:inline;fill:#3e4349;fill-opacity:1;stroke:none;stroke-width:3.21325;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:none;stroke-opacity:1;paint-order:markers fill stroke"
+         x="876.12891"
+         y="573.06091"
+         id="text11-9-0-0-9-2-81-4-7"
+         transform="matrix(1.0006928,0,0,0.99930768,1825.3807,-1804.6308)"><tspan
+           x="876.12891"
+           y="573.06091"
+           id="tspan6">Input data</tspan></text><text
+         xml:space="preserve"
+         style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:16.4356px;font-family:Sans;-inkscape-font-specification:'Sans, @wght=500';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal;font-variation-settings:'wght' 500;text-align:start;text-anchor:start;white-space:pre;inline-size:215.51;display:inline;fill:#3e4349;fill-opacity:1;stroke:none;stroke-width:2.69647;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:none;stroke-opacity:1;paint-order:markers fill stroke"
+         x="834.39349"
+         y="430.00592"
+         id="text11-2-8-96-6-2-9"
+         transform="matrix(0.99242225,0,0,0.99242225,1829.3358,-1711.8868)"><tspan
+           x="834.39349"
+           y="430.00592"
+           id="tspan8"><tspan
+             style="font-style:italic;font-weight:500;font-family:Montserrat;-inkscape-font-specification:'Montserrat Medium Italic'"
+             id="tspan7">Signature</tspan></tspan></text></g></g></svg>
diff --git a/book/source/diag/certificate_packet_list.svg b/book/source/diag/certificate_packet_list.svg
index 7c1fe73..090f5ab 100644
--- a/book/source/diag/certificate_packet_list.svg
+++ b/book/source/diag/certificate_packet_list.svg
@@ -3,39 +3,17 @@
    viewBox="0 0 658.46546 993.13795"
    version="1.1"
    id="svg1"
-   sodipodi:docname="diag_library_draft.svg"
-   inkscape:version="1.3 (0e150ed6c4, 2023-07-21)"
    width="658.46545"
    height="993.13794"
    xml:space="preserve"
-   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
-   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
    xmlns="http://www.w3.org/2000/svg"
    xmlns:svg="http://www.w3.org/2000/svg"><defs
-     id="defs1"><inkscape:path-effect
-       effect="fillet_chamfer"
-       id="path-effect370"
-       is_visible="true"
-       lpeversion="1"
-       nodesatellites_param="F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 | F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 | F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1"
-       radius="0"
-       unit="px"
-       method="auto"
-       mode="F"
-       chamfer_steps="1"
-       flexible="false"
-       use_knot_distance="true"
-       apply_no_radius="true"
-       apply_with_radius="true"
-       only_selected="false"
-       hide_knots="false" /><linearGradient
-       id="swatch251"
-       inkscape:swatch="solid"><stop
+     id="defs1"><linearGradient
+       id="swatch251"><stop
          style="stop-color:#195962;stop-opacity:1;"
          offset="0"
          id="stop251" /></linearGradient><filter
        style="color-interpolation-filters:sRGB"
-       inkscape:label="Drop Shadow"
        id="filter90-4-61"
        x="-0.02225768"
        y="-0.013992302"
@@ -92,151 +70,12 @@
          result="comp2"
          operator="over"
          in="fbSourceGraphic"
-         in2="comp1" /></filter><inkscape:path-effect
-       effect="fillet_chamfer"
-       id="path-effect53-2"
-       is_visible="true"
-       lpeversion="1"
-       nodesatellites_param="F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 | F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 | F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 | F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1"
-       radius="0"
-       unit="px"
-       method="auto"
-       mode="F"
-       chamfer_steps="1"
-       flexible="false"
-       use_knot_distance="true"
-       apply_no_radius="true"
-       apply_with_radius="true"
-       only_selected="false"
-       hide_knots="false" /><inkscape:path-effect
-       effect="fillet_chamfer"
-       id="path-effect370-8"
-       is_visible="true"
-       lpeversion="1"
-       nodesatellites_param="F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 | F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 | F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1"
-       radius="0"
-       unit="px"
-       method="auto"
-       mode="F"
-       chamfer_steps="1"
-       flexible="false"
-       use_knot_distance="true"
-       apply_no_radius="true"
-       apply_with_radius="true"
-       only_selected="false"
-       hide_knots="false" /><inkscape:path-effect
-       effect="fillet_chamfer"
-       id="path-effect370-8-7"
-       is_visible="true"
-       lpeversion="1"
-       nodesatellites_param="F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 | F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 | F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1"
-       radius="0"
-       unit="px"
-       method="auto"
-       mode="F"
-       chamfer_steps="1"
-       flexible="false"
-       use_knot_distance="true"
-       apply_no_radius="true"
-       apply_with_radius="true"
-       only_selected="false"
-       hide_knots="false" /><inkscape:path-effect
-       effect="fillet_chamfer"
-       id="path-effect370-8-2"
-       is_visible="true"
-       lpeversion="1"
-       nodesatellites_param="F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 | F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 | F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1 @ F,0,0,1,0,0,0,1"
-       radius="0"
-       unit="px"
-       method="auto"
-       mode="F"
-       chamfer_steps="1"
-       flexible="false"
-       use_knot_distance="true"
-       apply_no_radius="true"
-       apply_with_radius="true"
-       only_selected="false"
-       hide_knots="false" /></defs><sodipodi:namedview
-     id="namedview1"
-     pagecolor="#ffffff"
-     bordercolor="#000000"
-     borderopacity="0.25"
-     inkscape:showpageshadow="2"
-     inkscape:pageopacity="0.0"
-     inkscape:pagecheckerboard="0"
-     inkscape:deskcolor="#d1d1d1"
-     inkscape:lockguides="false"
-     inkscape:zoom="0.2723692"
-     inkscape:cx="1461.2519"
-     inkscape:cy="1099.6104"
-     inkscape:window-width="2560"
-     inkscape:window-height="1371"
-     inkscape:window-x="0"
-     inkscape:window-y="305"
-     inkscape:window-maximized="1"
-     inkscape:current-layer="layer15"
-     showgrid="false"
-     inkscape:export-bgcolor="#ffffff00"
-     showguides="false"><inkscape:page
-       x="-8.025786e-06"
-       y="-2.280658e-07"
-       width="658.46545"
-       height="993.13794"
-       id="page78"
-       margin="0"
-       bleed="0" /><sodipodi:guide
-       position="155.71392,486.22536"
-       orientation="1,0"
-       id="guide358"
-       inkscape:locked="false" /><sodipodi:guide
-       position="168.35432,476.82239"
-       orientation="1,0"
-       id="guide359"
-       inkscape:locked="false" /><sodipodi:guide
-       position="155.36672,533.66992"
-       orientation="0,-1"
-       id="guide360"
-       inkscape:locked="false" /><sodipodi:guide
-       position="-0.89117693,719.0651"
-       orientation="0,659.35662"
-       id="guide361"
-       inkscape:locked="false" /><sodipodi:guide
-       position="658.46552,719.0651"
-       orientation="943.88005,0"
-       id="guide362"
-       inkscape:locked="false" /><sodipodi:guide
-       position="658.46552,-224.81496"
-       orientation="0,-659.35662"
-       id="guide363"
-       inkscape:locked="false" /><sodipodi:guide
-       position="-0.89117693,-224.81496"
-       orientation="-943.88005,0"
-       id="guide364"
-       inkscape:locked="false" /><sodipodi:guide
-       position="-0.89117693,719.0651"
-       orientation="0,659.35662"
-       id="guide365"
-       inkscape:locked="false" /><sodipodi:guide
-       position="658.46552,719.0651"
-       orientation="943.88005,0"
-       id="guide366"
-       inkscape:locked="false" /><sodipodi:guide
-       position="658.46552,-224.81496"
-       orientation="0,-659.35662"
-       id="guide367"
-       inkscape:locked="false" /><sodipodi:guide
-       position="-0.89117693,-224.81496"
-       orientation="-943.88005,0"
-       id="guide368"
-       inkscape:locked="false" /></sodipodi:namedview><!--! Font Awesome Pro 6.4.2 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license (Commercial License) Copyright 2023 Fonticons, Inc. --><g
-     inkscape:groupmode="layer"
-     id="layer5"
-     inkscape:label="Chapter 4"
-     inkscape:highlight-color="#baa600"
-     transform="translate(-2330.7555,-2140.0936)"><g
-       inkscape:groupmode="layer"
+         in2="comp1" /></filter></defs><!--! Font Awesome Pro 6.4.2 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license (Commercial License) Copyright 2023 Fonticons, Inc. --><g
+     id="layer24"
+     style="display:inline"
+     transform="translate(-786.27984,-2503.7674)"><g
        id="layer16"
-       inkscape:label="Packet list"><rect
+       transform="translate(-4.3343954)"><rect
          style="fill:#ffffff;fill-opacity:1;stroke:none;stroke-width:1.412;stroke-linecap:round;stroke-miterlimit:0;stroke-opacity:1;paint-order:fill markers stroke;filter:url(#filter90-4-61)"
          id="rect446"
          width="553.37305"
@@ -245,10 +84,9 @@
          y="2180.8867"
          rx="38.101555"
          ry="38.101555"
-         transform="matrix(0.84832194,0,0,0.9163034,399.25809,181.33702)" /><g
+         transform="matrix(0.84832194,0,0,0.9163034,-1140.8832,545.01088)" /><g
          id="g11-8-3-1-6-4"
-         transform="matrix(0.86376244,0,0,0.86376243,1670.7788,2016.3378)"
-         inkscape:label="Diagramm Header"
+         transform="matrix(0.86376244,0,0,0.86376243,130.63747,2380.0116)"
          style="display:inline;fill:#61a78d;fill-opacity:1"><rect
            style="font-variation-settings:'wght' 700;fill:#195962;stroke-width:2.76566;stroke-linecap:round;stroke-linejoin:round;paint-order:markers fill stroke"
            id="rect1-9-8-2-4-2"
@@ -274,11 +112,9 @@
                y="158.38867"
                id="tspan1">Certificate packet list</tspan></text></g></g><g
          id="g443"
-         inkscape:label="Public-Subkey+Signature 3"
-         transform="translate(51.198789,-97.669905)"><g
+         transform="translate(-1488.9425,266.00395)"><g
            id="g79-7-8-6"
-           transform="matrix(0.80831517,0,0,0.63361776,529.12328,1661.558)"
-           inkscape:label="Subkey binding signature packet"><rect
+           transform="matrix(0.80831517,0,0,0.63361776,529.12328,1661.558)"><rect
              style="fill:#c7b731;fill-opacity:1;stroke:none;stroke-width:1.06648;stroke-linecap:round;stroke-miterlimit:0;paint-order:fill markers stroke"
              id="rect79-7-1-0"
              width="301.79688"
@@ -301,7 +137,6 @@
              y="2069.7559"
              id="text11-2-8-9-7-8-4-97-0"
              transform="scale(0.88536694,1.1294752)"><tspan
-               sodipodi:role="line"
                id="tspan11-9-0-9-4-8-3-82-1"
                x="2750.552"
                y="2069.7559"
@@ -312,18 +147,15 @@
              y="2096.2305"
              id="text11-2-8-9-7-8-4-2-5-0"
              transform="scale(0.88536694,1.1294752)"><tspan
-               sodipodi:role="line"
                id="tspan11-9-0-9-4-8-3-8-3-1"
                x="2752.4365"
                y="2096.2305"
                style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:16.7678px;font-family:Montserrat;-inkscape-font-specification:Montserrat;text-align:start;text-anchor:start;stroke-width:3.75261">Subkey binding signature</tspan></text><g
              id="g73-6-9-4-3"
              transform="matrix(0.19150066,0.44433412,-0.34830225,0.24430011,2996.4519,1796.4682)"
-             inkscape:label="Signature Tag"
              style="display:inline;fill:#c83737"><g
                id="g10-8-2-0-9-7"
-               transform="rotate(-30,1140.748,355.65631)"
-               inkscape:label="Signature vers2"><circle
+               transform="rotate(-30,1140.748,355.65631)"><circle
                  style="fill:#ffffff;fill-opacity:1;stroke:none;stroke-width:14.841;stroke-linecap:square;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;paint-order:fill markers stroke"
                  id="path73-9-6-02-7"
                  cx="228.22922"
@@ -338,19 +170,15 @@
                  transform="translate(-1.3219444,-1.6027733)"><path
                    d="m 221.1513,845.27224 c 0.0245,1.19424 -0.23692,2.22055 -0.78414,3.07896 -0.54765,0.83668 -1.38159,1.48371 -2.5018,1.94111 -1.12021,0.45737 -2.51629,0.70319 -4.18825,0.73743 -1.23765,0.0254 -2.3034,-0.0398 -3.19722,-0.19519 -0.40967,-0.0614 -0.81981,-0.1454 -1.2304,-0.25248 -0.81861,-0.21326 -1.47042,-1.16054 -1.48776,-2.00679 l -0.0193,-0.94161 c -0.0173,-0.84625 0.59808,-1.25531 1.40189,-0.99093 0.54067,0.1779 1.10164,0.33456 1.68292,0.47012 1.11318,0.2596 2.09317,0.38071 2.94,0.36338 0.95541,-0.0196 1.62563,-0.17459 2.01069,-0.46476 0.40678,-0.29073 0.6055,-0.66408 0.59616,-1.12009 -0.006,-0.30395 -0.0986,-0.57361 -0.27724,-0.80889 -0.15687,-0.23564 -0.50985,-0.50005 -1.05893,-0.79293 -0.54906,-0.29285 -1.40389,-0.66636 -2.56449,-1.1205 -1.11717,-0.45504 -2.0387,-0.90321 -2.76459,-1.3445 -0.72633,-0.46305 -1.26988,-1.0167 -1.63063,-1.66098 -0.36121,-0.66602 -0.55204,-1.49842 -0.57249,-2.49726 -0.0338,-1.65022 0.58141,-2.901 1.84562,-3.75236 1.2642,-0.85137 2.96027,-1.29882 5.08819,-1.3424 1.1074,-0.0227 2.16274,0.0643 3.166,0.26099 0.55248,0.10835 1.1157,0.25922 1.68968,0.45273 0.80179,0.27028 1.17351,1.19658 0.86143,1.98335 l -0.26453,0.66566 c -0.31266,0.78654 -1.20031,1.16326 -2.0021,0.89235 -0.36088,-0.12188 -0.71322,-0.23163 -1.057,-0.32905 -0.78701,-0.24462 -1.58224,-0.35863 -2.38563,-0.34218 -0.71656,0.0147 -1.25739,0.12356 -1.62252,0.32648 -0.34343,0.20264 -0.51112,0.49924 -0.50312,0.89009 0.006,0.28225 0.098,0.54105 0.27657,0.77636 0.19986,0.21314 0.56303,0.44464 1.0895,0.69452 0.54818,0.24942 1.34781,0.58068 2.39896,0.99362 1.029,0.39161 1.91729,0.80789 2.66487,1.24877 0.74715,0.41919 1.32306,0.96129 1.72768,1.62641 0.4259,0.64296 0.64974,1.49642 0.67154,2.5604 z m 8.40639,-11.1515 0.30142,14.71885 c 0.0173,0.84626 -0.6546,1.54635 -1.5009,1.56367 l -1.78842,0.0366 c -0.84626,0.0173 -1.54635,-0.6546 -1.56367,-1.5009 l -0.30141,-14.71886 c -0.0173,-0.84627 0.6546,-1.54636 1.5009,-1.56367 l 1.78841,-0.0366 c 0.84627,-0.0173 1.54636,0.6546 1.56367,1.50092 z m -2.58432,-8.45298 c 0.71654,-0.0147 1.33892,0.1463 1.86718,0.48309 0.52779,0.31507 0.80102,0.92856 0.8197,1.8405 0.0182,0.89027 -0.22965,1.51444 -0.74357,1.87258 -0.51404,0.35807 -1.12931,0.54445 -1.84585,0.55913 -0.73826,0.0151 -1.37152,-0.14564 -1.89976,-0.48242 -0.50653,-0.33721 -0.7689,-0.95093 -0.78714,-1.84119 -0.0187,-0.91197 0.21837,-1.53591 0.71111,-1.87186 0.51401,-0.35808 1.14015,-0.54469 1.87841,-0.5598 z m 13.39221,6.37288 c 1.08569,-0.0222 2.06723,0.17489 2.94469,0.5914 0.87743,0.41649 1.62903,1.05274 2.25479,1.90885 l 0.13022,-0.003 c 0.053,-1.62151 0.92731,-2.07451 1.82469,-2.0929 l 1.0393,-0.0213 c 0.84625,-0.0173 1.54634,0.6546 1.56365,1.50091 l 0.14972,16.1761 c 0.006,0.63934 -0.23499,1.62306 -0.66503,2.2835 -0.43004,0.66044 -1.6198,1.93803 -2.93234,2.55141 -1.31208,0.63511 -2.94522,0.97267 -4.89944,1.0127 -1.2594,0.0258 -2.43346,-0.0261 -3.52226,-0.15591 -0.5644,-0.0688 -1.12339,-0.17137 -1.677,-0.30716 -0.82165,-0.20163 -1.4805,-1.1291 -1.49782,-1.97537 l -0.0166,-0.8113 c -0.0173,-0.84624 0.6054,-1.27193 1.41728,-1.03366 0.63265,0.18566 1.27493,0.33315 1.92677,0.44237 1.17744,0.21474 2.3741,0.30981 3.59007,0.28491 1.25939,-0.0258 1.98092,-0.20257 2.81336,-0.83044 0.83244,-0.62787 0.89293,-1.80789 0.88606,-2.76748 -0.007,-0.9596 -0.0109,-0.89572 0.005,-1.20015 l -0.093,0.14247 c -0.58885,0.94616 -1.30245,1.63415 -2.14085,2.06405 -0.8384,0.4299 -1.78955,0.65574 -2.85352,0.67753 -2.10622,0.0431 -3.77289,-0.72647 -5.00005,-2.30882 -1.2059,-1.60451 -1.8384,-3.85073 -1.89754,-6.73862 -0.0596,-2.90961 0.50192,-5.19113 1.68453,-6.84455 1.18262,-1.65342 2.83789,-2.50193 4.96582,-2.54551 z m 1.61152,3.90968 c -0.75999,0.0156 -1.3963,0.235 -1.90898,0.65818 -0.4914,0.40107 -0.85915,1.00596 -1.10329,1.81472 -0.22283,0.78655 -0.32202,1.77699 -0.29756,2.97124 0.0365,1.78052 0.34608,3.1101 0.92888,3.9888 0.58233,0.85699 1.47062,1.27326 2.66486,1.2488 0.62971,-0.0129 1.17099,-0.0999 1.62385,-0.2613 0.45245,-0.18299 0.81602,-0.46201 1.09073,-0.83695 0.29598,-0.39705 0.51374,-0.90114 0.65333,-1.5122 0.1396,-0.6111 0.20037,-1.3509 0.18258,-2.21946 l -0.012,-0.58626 c -0.0262,-1.2811 -0.17753,-2.30982 -0.4542,-3.08619 -0.27657,-0.77636 -0.68982,-1.33268 -1.23979,-1.66898 -0.55038,-0.358 -1.25984,-0.52813 -2.12841,-0.51033 z"
                    style="font-size:13.2602px;font-family:'Noto Sans';-inkscape-font-specification:'Noto Sans, @wght=700';font-variation-settings:'wght' 700;display:inline;fill:#195962;stroke-width:10.8591;stroke-linecap:round;stroke-linejoin:round;paint-order:markers fill stroke"
-                   id="path1-2-8-13-9-6-45"
-                   sodipodi:nodetypes="ccssccssssscccscccssssscsscscccccccccccssccssscscssscscsscsccsscszcscsssscszzccsscssccsccscsccsssscss" /><path
+                   id="path1-2-8-13-9-6-45" /><path
                    id="path4-4-11-0-2-2"
                    style="font-variation-settings:'wght' 700;display:inline;fill:none;stroke:#195962;stroke-width:3.64767;stroke-linecap:round;stroke-linejoin:round;stroke-opacity:1;paint-order:markers fill stroke"
-                   d="m 208.35953,828.56065 c 4.20155,-6.40232 11.67933,-11.91499 20.19969,-11.73012 8.20624,0.17805 13.83263,3.91368 19.70116,9.24107"
-                   sodipodi:nodetypes="csc" /><path
+                   d="m 208.35953,828.56065 c 4.20155,-6.40232 11.67933,-11.91499 20.19969,-11.73012 8.20624,0.17805 13.83263,3.91368 19.70116,9.24107" /><path
                    id="path4-6-7-03-3-1-0"
                    style="font-variation-settings:'wght' 700;display:inline;fill:none;stroke:#195962;stroke-width:3.64767;stroke-linecap:round;stroke-linejoin:round;stroke-opacity:1;paint-order:markers fill stroke"
-                   d="m 248.51397,859.76996 c -5.73327,5.42971 -12.71409,8.56595 -19.29605,9.02109 -8.96638,0.62002 -15.41863,-3.91867 -20.7683,-10.62518"
-                   sodipodi:nodetypes="csc" /></g></g></g></g><g
+                   d="m 248.51397,859.76996 c -5.73327,5.42971 -12.71409,8.56595 -19.29605,9.02109 -8.96638,0.62002 -15.41863,-3.91867 -20.7683,-10.62518" /></g></g></g></g><g
            id="g369-4-2"
-           transform="matrix(0.80831517,0,0,0.63361776,529.4319,1585.8138)"
-           inkscape:label="Public Subkey packet"><rect
+           transform="matrix(0.80831517,0,0,0.63361776,529.4319,1585.8138)"><rect
              style="fill:#006961;fill-opacity:1;stroke:none;stroke-width:1.06648;stroke-linecap:round;stroke-miterlimit:0;paint-order:fill markers stroke"
              id="rect368-7-9"
              width="301.79688"
@@ -373,7 +201,6 @@
              y="2069.4631"
              id="text369-3-9"
              transform="scale(0.88536694,1.1294752)"><tspan
-               sodipodi:role="line"
                id="tspan369-9-9"
                x="2750.1816"
                y="2069.4631"
@@ -381,17 +208,11 @@
              id="path369-2-4"
              style="display:inline;fill:none;stroke:#006961;stroke-width:14.27;stroke-linecap:round;stroke-dasharray:none;stroke-opacity:1"
              d="m 156.30312,759.25868 c -9.78054,19.91382 -30.12868,33.02384 -53.81237,33.02384 -33.173715,0 -60.066326,-26.89261 -60.066326,-60.06633 0,-33.17372 26.892611,-60.06633 60.066326,-60.06633 23.31181,0 43.58824,15.15712 53.54415,34.5646 m -9.14624,1.20213 h 4.97796 c 10.89491,0.20296 25.86265,0 38.79397,0 l 11.43353,7.63836 14.59897,-7.63836 14.59896,7.3422 h 10.87817 l 11.54761,-7.3422 17.66083,7.3422 16.34856,-7.34219 22,25.45886 -22,25.45887 h -135.8606 -4.97796 M 89.058073,732.21619 c -4e-6,6.98969 -5.666271,12.65596 -12.655965,12.65596 -6.989695,0 -12.655963,-5.66627 -12.655967,-12.65596 -2e-6,-6.9897 5.666268,-12.65597 12.655967,-12.65597 6.989698,0 12.655967,5.66627 12.655965,12.65597 z"
-             inkscape:label="Publickey ((Asym))"
-             sodipodi:nodetypes="cssscccccccccccccccsssss"
-             transform="matrix(0.13903626,0,0,-0.17712508,2649.4318,2491.7193)"
-             inkscape:original-d="m 156.30312,759.25868 c -9.78054,19.91382 -30.12868,33.02384 -53.81237,33.02384 -33.173715,0 -60.066326,-26.89261 -60.066326,-60.06633 0,-33.17372 26.892611,-60.06633 60.066326,-60.06633 23.31181,0 43.58824,15.15712 53.54415,34.5646 m -9.14624,1.20213 h 4.97796 c 10.89491,0.20296 25.86265,0 38.79397,0 l 11.43353,7.63836 14.59897,-7.63836 14.59896,7.3422 h 10.87817 l 11.54761,-7.3422 17.66083,7.3422 16.34856,-7.34219 22,25.45886 -22,25.45887 h -135.8606 -4.97796 M 89.058073,732.21619 c -4e-6,6.98969 -5.666271,12.65596 -12.655965,12.65596 -6.989695,0 -12.655963,-5.66627 -12.655967,-12.65596 -2e-6,-6.9897 5.666268,-12.65597 12.655967,-12.65597 6.989698,0 12.655967,5.66627 12.655965,12.65597 z"
-             inkscape:path-effect="#path-effect370-8-2" /></g></g><g
+             transform="matrix(0.13903626,0,0,-0.17712508,2649.4318,2491.7193)" /></g></g><g
          id="g444"
-         inkscape:label="Public-Subkey+Signature 2"
-         transform="translate(51.323129,-90.940575)"><g
+         transform="translate(-1488.8182,272.73325)"><g
            id="g79-7-8-1"
-           transform="matrix(0.80831517,0,0,0.63361776,528.99894,1480.4427)"
-           inkscape:label="Subkey binding signature packet"><rect
+           transform="matrix(0.80831517,0,0,0.63361776,528.99894,1480.4427)"><rect
              style="fill:#c7b731;fill-opacity:1;stroke:none;stroke-width:1.06648;stroke-linecap:round;stroke-miterlimit:0;paint-order:fill markers stroke"
              id="rect79-7-1-9"
              width="301.79688"
@@ -414,7 +235,6 @@
              y="2069.7559"
              id="text11-2-8-9-7-8-4-97-5"
              transform="scale(0.88536694,1.1294752)"><tspan
-               sodipodi:role="line"
                id="tspan11-9-0-9-4-8-3-82-6"
                x="2750.552"
                y="2069.7559"
@@ -425,18 +245,15 @@
              y="2096.2305"
              id="text11-2-8-9-7-8-4-2-5-7"
              transform="scale(0.88536694,1.1294752)"><tspan
-               sodipodi:role="line"
                id="tspan11-9-0-9-4-8-3-8-3-7"
                x="2752.4365"
                y="2096.2305"
                style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:16.7678px;font-family:Montserrat;-inkscape-font-specification:Montserrat;text-align:start;text-anchor:start;stroke-width:3.75261">Subkey binding signature</tspan></text><g
              id="g73-6-9-4-4"
              transform="matrix(0.19150066,0.44433412,-0.34830225,0.24430011,2996.4519,1796.4682)"
-             inkscape:label="Signature Tag"
              style="display:inline;fill:#c83737"><g
                id="g10-8-2-0-9-0"
-               transform="rotate(-30,1140.748,355.65631)"
-               inkscape:label="Signature vers2"><circle
+               transform="rotate(-30,1140.748,355.65631)"><circle
                  style="fill:#ffffff;fill-opacity:1;stroke:none;stroke-width:14.841;stroke-linecap:square;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;paint-order:fill markers stroke"
                  id="path73-9-6-02-6"
                  cx="228.22922"
@@ -451,19 +268,15 @@
                  transform="translate(-1.3219444,-1.6027733)"><path
                    d="m 221.1513,845.27224 c 0.0245,1.19424 -0.23692,2.22055 -0.78414,3.07896 -0.54765,0.83668 -1.38159,1.48371 -2.5018,1.94111 -1.12021,0.45737 -2.51629,0.70319 -4.18825,0.73743 -1.23765,0.0254 -2.3034,-0.0398 -3.19722,-0.19519 -0.40967,-0.0614 -0.81981,-0.1454 -1.2304,-0.25248 -0.81861,-0.21326 -1.47042,-1.16054 -1.48776,-2.00679 l -0.0193,-0.94161 c -0.0173,-0.84625 0.59808,-1.25531 1.40189,-0.99093 0.54067,0.1779 1.10164,0.33456 1.68292,0.47012 1.11318,0.2596 2.09317,0.38071 2.94,0.36338 0.95541,-0.0196 1.62563,-0.17459 2.01069,-0.46476 0.40678,-0.29073 0.6055,-0.66408 0.59616,-1.12009 -0.006,-0.30395 -0.0986,-0.57361 -0.27724,-0.80889 -0.15687,-0.23564 -0.50985,-0.50005 -1.05893,-0.79293 -0.54906,-0.29285 -1.40389,-0.66636 -2.56449,-1.1205 -1.11717,-0.45504 -2.0387,-0.90321 -2.76459,-1.3445 -0.72633,-0.46305 -1.26988,-1.0167 -1.63063,-1.66098 -0.36121,-0.66602 -0.55204,-1.49842 -0.57249,-2.49726 -0.0338,-1.65022 0.58141,-2.901 1.84562,-3.75236 1.2642,-0.85137 2.96027,-1.29882 5.08819,-1.3424 1.1074,-0.0227 2.16274,0.0643 3.166,0.26099 0.55248,0.10835 1.1157,0.25922 1.68968,0.45273 0.80179,0.27028 1.17351,1.19658 0.86143,1.98335 l -0.26453,0.66566 c -0.31266,0.78654 -1.20031,1.16326 -2.0021,0.89235 -0.36088,-0.12188 -0.71322,-0.23163 -1.057,-0.32905 -0.78701,-0.24462 -1.58224,-0.35863 -2.38563,-0.34218 -0.71656,0.0147 -1.25739,0.12356 -1.62252,0.32648 -0.34343,0.20264 -0.51112,0.49924 -0.50312,0.89009 0.006,0.28225 0.098,0.54105 0.27657,0.77636 0.19986,0.21314 0.56303,0.44464 1.0895,0.69452 0.54818,0.24942 1.34781,0.58068 2.39896,0.99362 1.029,0.39161 1.91729,0.80789 2.66487,1.24877 0.74715,0.41919 1.32306,0.96129 1.72768,1.62641 0.4259,0.64296 0.64974,1.49642 0.67154,2.5604 z m 8.40639,-11.1515 0.30142,14.71885 c 0.0173,0.84626 -0.6546,1.54635 -1.5009,1.56367 l -1.78842,0.0366 c -0.84626,0.0173 -1.54635,-0.6546 -1.56367,-1.5009 l -0.30141,-14.71886 c -0.0173,-0.84627 0.6546,-1.54636 1.5009,-1.56367 l 1.78841,-0.0366 c 0.84627,-0.0173 1.54636,0.6546 1.56367,1.50092 z m -2.58432,-8.45298 c 0.71654,-0.0147 1.33892,0.1463 1.86718,0.48309 0.52779,0.31507 0.80102,0.92856 0.8197,1.8405 0.0182,0.89027 -0.22965,1.51444 -0.74357,1.87258 -0.51404,0.35807 -1.12931,0.54445 -1.84585,0.55913 -0.73826,0.0151 -1.37152,-0.14564 -1.89976,-0.48242 -0.50653,-0.33721 -0.7689,-0.95093 -0.78714,-1.84119 -0.0187,-0.91197 0.21837,-1.53591 0.71111,-1.87186 0.51401,-0.35808 1.14015,-0.54469 1.87841,-0.5598 z m 13.39221,6.37288 c 1.08569,-0.0222 2.06723,0.17489 2.94469,0.5914 0.87743,0.41649 1.62903,1.05274 2.25479,1.90885 l 0.13022,-0.003 c 0.053,-1.62151 0.92731,-2.07451 1.82469,-2.0929 l 1.0393,-0.0213 c 0.84625,-0.0173 1.54634,0.6546 1.56365,1.50091 l 0.14972,16.1761 c 0.006,0.63934 -0.23499,1.62306 -0.66503,2.2835 -0.43004,0.66044 -1.6198,1.93803 -2.93234,2.55141 -1.31208,0.63511 -2.94522,0.97267 -4.89944,1.0127 -1.2594,0.0258 -2.43346,-0.0261 -3.52226,-0.15591 -0.5644,-0.0688 -1.12339,-0.17137 -1.677,-0.30716 -0.82165,-0.20163 -1.4805,-1.1291 -1.49782,-1.97537 l -0.0166,-0.8113 c -0.0173,-0.84624 0.6054,-1.27193 1.41728,-1.03366 0.63265,0.18566 1.27493,0.33315 1.92677,0.44237 1.17744,0.21474 2.3741,0.30981 3.59007,0.28491 1.25939,-0.0258 1.98092,-0.20257 2.81336,-0.83044 0.83244,-0.62787 0.89293,-1.80789 0.88606,-2.76748 -0.007,-0.9596 -0.0109,-0.89572 0.005,-1.20015 l -0.093,0.14247 c -0.58885,0.94616 -1.30245,1.63415 -2.14085,2.06405 -0.8384,0.4299 -1.78955,0.65574 -2.85352,0.67753 -2.10622,0.0431 -3.77289,-0.72647 -5.00005,-2.30882 -1.2059,-1.60451 -1.8384,-3.85073 -1.89754,-6.73862 -0.0596,-2.90961 0.50192,-5.19113 1.68453,-6.84455 1.18262,-1.65342 2.83789,-2.50193 4.96582,-2.54551 z m 1.61152,3.90968 c -0.75999,0.0156 -1.3963,0.235 -1.90898,0.65818 -0.4914,0.40107 -0.85915,1.00596 -1.10329,1.81472 -0.22283,0.78655 -0.32202,1.77699 -0.29756,2.97124 0.0365,1.78052 0.34608,3.1101 0.92888,3.9888 0.58233,0.85699 1.47062,1.27326 2.66486,1.2488 0.62971,-0.0129 1.17099,-0.0999 1.62385,-0.2613 0.45245,-0.18299 0.81602,-0.46201 1.09073,-0.83695 0.29598,-0.39705 0.51374,-0.90114 0.65333,-1.5122 0.1396,-0.6111 0.20037,-1.3509 0.18258,-2.21946 l -0.012,-0.58626 c -0.0262,-1.2811 -0.17753,-2.30982 -0.4542,-3.08619 -0.27657,-0.77636 -0.68982,-1.33268 -1.23979,-1.66898 -0.55038,-0.358 -1.25984,-0.52813 -2.12841,-0.51033 z"
                    style="font-size:13.2602px;font-family:'Noto Sans';-inkscape-font-specification:'Noto Sans, @wght=700';font-variation-settings:'wght' 700;display:inline;fill:#195962;stroke-width:10.8591;stroke-linecap:round;stroke-linejoin:round;paint-order:markers fill stroke"
-                   id="path1-2-8-13-9-6-4"
-                   sodipodi:nodetypes="ccssccssssscccscccssssscsscscccccccccccssccssscscssscscsscsccsscszcscsssscszzccsscssccsccscsccsssscss" /><path
+                   id="path1-2-8-13-9-6-4" /><path
                    id="path4-4-11-0-2-8"
                    style="font-variation-settings:'wght' 700;display:inline;fill:none;stroke:#195962;stroke-width:3.64767;stroke-linecap:round;stroke-linejoin:round;stroke-opacity:1;paint-order:markers fill stroke"
-                   d="m 208.35953,828.56065 c 4.20155,-6.40232 11.67933,-11.91499 20.19969,-11.73012 8.20624,0.17805 13.83263,3.91368 19.70116,9.24107"
-                   sodipodi:nodetypes="csc" /><path
+                   d="m 208.35953,828.56065 c 4.20155,-6.40232 11.67933,-11.91499 20.19969,-11.73012 8.20624,0.17805 13.83263,3.91368 19.70116,9.24107" /><path
                    id="path4-6-7-03-3-1-5"
                    style="font-variation-settings:'wght' 700;display:inline;fill:none;stroke:#195962;stroke-width:3.64767;stroke-linecap:round;stroke-linejoin:round;stroke-opacity:1;paint-order:markers fill stroke"
-                   d="m 248.51397,859.76996 c -5.73327,5.42971 -12.71409,8.56595 -19.29605,9.02109 -8.96638,0.62002 -15.41863,-3.91867 -20.7683,-10.62518"
-                   sodipodi:nodetypes="csc" /></g></g></g></g><g
+                   d="m 248.51397,859.76996 c -5.73327,5.42971 -12.71409,8.56595 -19.29605,9.02109 -8.96638,0.62002 -15.41863,-3.91867 -20.7683,-10.62518" /></g></g></g></g><g
            id="g369-4-8"
-           transform="matrix(0.80831517,0,0,0.63361776,529.30756,1404.6985)"
-           inkscape:label="Public Subkey packet"><rect
+           transform="matrix(0.80831517,0,0,0.63361776,529.30756,1404.6985)"><rect
              style="fill:#006961;fill-opacity:1;stroke:none;stroke-width:1.06648;stroke-linecap:round;stroke-miterlimit:0;paint-order:fill markers stroke"
              id="rect368-7-2"
              width="301.79688"
@@ -486,7 +299,6 @@
              y="2069.4631"
              id="text369-3-0"
              transform="scale(0.88536694,1.1294752)"><tspan
-               sodipodi:role="line"
                id="tspan369-9-6"
                x="2750.1816"
                y="2069.4631"
@@ -494,17 +306,11 @@
              id="path369-2-6"
              style="display:inline;fill:none;stroke:#006961;stroke-width:14.27;stroke-linecap:round;stroke-dasharray:none;stroke-opacity:1"
              d="m 156.30312,759.25868 c -9.78054,19.91382 -30.12868,33.02384 -53.81237,33.02384 -33.173715,0 -60.066326,-26.89261 -60.066326,-60.06633 0,-33.17372 26.892611,-60.06633 60.066326,-60.06633 23.31181,0 43.58824,15.15712 53.54415,34.5646 m -9.14624,1.20213 h 4.97796 c 10.89491,0.20296 25.86265,0 38.79397,0 l 11.43353,7.63836 14.59897,-7.63836 14.59896,7.3422 h 10.87817 l 11.54761,-7.3422 17.66083,7.3422 16.34856,-7.34219 22,25.45886 -22,25.45887 h -135.8606 -4.97796 M 89.058073,732.21619 c -4e-6,6.98969 -5.666271,12.65596 -12.655965,12.65596 -6.989695,0 -12.655963,-5.66627 -12.655967,-12.65596 -2e-6,-6.9897 5.666268,-12.65597 12.655967,-12.65597 6.989698,0 12.655967,5.66627 12.655965,12.65597 z"
-             inkscape:label="Publickey ((Asym))"
-             sodipodi:nodetypes="cssscccccccccccccccsssss"
-             transform="matrix(0.13903626,0,0,-0.17712508,2649.4318,2491.7193)"
-             inkscape:original-d="m 156.30312,759.25868 c -9.78054,19.91382 -30.12868,33.02384 -53.81237,33.02384 -33.173715,0 -60.066326,-26.89261 -60.066326,-60.06633 0,-33.17372 26.892611,-60.06633 60.066326,-60.06633 23.31181,0 43.58824,15.15712 53.54415,34.5646 m -9.14624,1.20213 h 4.97796 c 10.89491,0.20296 25.86265,0 38.79397,0 l 11.43353,7.63836 14.59897,-7.63836 14.59896,7.3422 h 10.87817 l 11.54761,-7.3422 17.66083,7.3422 16.34856,-7.34219 22,25.45886 -22,25.45887 h -135.8606 -4.97796 M 89.058073,732.21619 c -4e-6,6.98969 -5.666271,12.65596 -12.655965,12.65596 -6.989695,0 -12.655963,-5.66627 -12.655967,-12.65596 -2e-6,-6.9897 5.666268,-12.65597 12.655967,-12.65597 6.989698,0 12.655967,5.66627 12.655965,12.65597 z"
-             inkscape:path-effect="#path-effect370-8-7" /></g></g><g
+             transform="matrix(0.13903626,0,0,-0.17712508,2649.4318,2491.7193)" /></g></g><g
          id="g442"
-         inkscape:label="Public-Subkey+Signature 1"
-         transform="translate(51.144349,-90.457745)"><g
+         transform="translate(-1488.997,273.21615)"><g
            id="g79-7-8"
-           transform="matrix(0.80831517,0,0,0.63361776,529.17772,1305.5739)"
-           inkscape:label="Subkey binding signature packet"><rect
+           transform="matrix(0.80831517,0,0,0.63361776,529.17772,1305.5739)"><rect
              style="fill:#c7b731;fill-opacity:1;stroke:none;stroke-width:1.06648;stroke-linecap:round;stroke-miterlimit:0;paint-order:fill markers stroke"
              id="rect79-7-1"
              width="301.79688"
@@ -527,7 +333,6 @@
              y="2069.7559"
              id="text11-2-8-9-7-8-4-97"
              transform="scale(0.88536694,1.1294752)"><tspan
-               sodipodi:role="line"
                id="tspan11-9-0-9-4-8-3-82"
                x="2750.552"
                y="2069.7559"
@@ -538,18 +343,15 @@
              y="2096.2305"
              id="text11-2-8-9-7-8-4-2-5"
              transform="scale(0.88536694,1.1294752)"><tspan
-               sodipodi:role="line"
                id="tspan11-9-0-9-4-8-3-8-3"
                x="2752.4365"
                y="2096.2305"
                style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:16.7678px;font-family:Montserrat;-inkscape-font-specification:Montserrat;text-align:start;text-anchor:start;stroke-width:3.75261">Subkey binding signature</tspan></text><g
              id="g73-6-9-4"
              transform="matrix(0.19150066,0.44433412,-0.34830225,0.24430011,2996.4519,1796.4682)"
-             inkscape:label="Signature Tag"
              style="display:inline;fill:#c83737"><g
                id="g10-8-2-0-9"
-               transform="rotate(-30,1140.748,355.65631)"
-               inkscape:label="Signature vers2"><circle
+               transform="rotate(-30,1140.748,355.65631)"><circle
                  style="fill:#ffffff;fill-opacity:1;stroke:none;stroke-width:14.841;stroke-linecap:square;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;paint-order:fill markers stroke"
                  id="path73-9-6-02"
                  cx="228.22922"
@@ -564,19 +366,15 @@
                  transform="translate(-1.3219444,-1.6027733)"><path
                    d="m 221.1513,845.27224 c 0.0245,1.19424 -0.23692,2.22055 -0.78414,3.07896 -0.54765,0.83668 -1.38159,1.48371 -2.5018,1.94111 -1.12021,0.45737 -2.51629,0.70319 -4.18825,0.73743 -1.23765,0.0254 -2.3034,-0.0398 -3.19722,-0.19519 -0.40967,-0.0614 -0.81981,-0.1454 -1.2304,-0.25248 -0.81861,-0.21326 -1.47042,-1.16054 -1.48776,-2.00679 l -0.0193,-0.94161 c -0.0173,-0.84625 0.59808,-1.25531 1.40189,-0.99093 0.54067,0.1779 1.10164,0.33456 1.68292,0.47012 1.11318,0.2596 2.09317,0.38071 2.94,0.36338 0.95541,-0.0196 1.62563,-0.17459 2.01069,-0.46476 0.40678,-0.29073 0.6055,-0.66408 0.59616,-1.12009 -0.006,-0.30395 -0.0986,-0.57361 -0.27724,-0.80889 -0.15687,-0.23564 -0.50985,-0.50005 -1.05893,-0.79293 -0.54906,-0.29285 -1.40389,-0.66636 -2.56449,-1.1205 -1.11717,-0.45504 -2.0387,-0.90321 -2.76459,-1.3445 -0.72633,-0.46305 -1.26988,-1.0167 -1.63063,-1.66098 -0.36121,-0.66602 -0.55204,-1.49842 -0.57249,-2.49726 -0.0338,-1.65022 0.58141,-2.901 1.84562,-3.75236 1.2642,-0.85137 2.96027,-1.29882 5.08819,-1.3424 1.1074,-0.0227 2.16274,0.0643 3.166,0.26099 0.55248,0.10835 1.1157,0.25922 1.68968,0.45273 0.80179,0.27028 1.17351,1.19658 0.86143,1.98335 l -0.26453,0.66566 c -0.31266,0.78654 -1.20031,1.16326 -2.0021,0.89235 -0.36088,-0.12188 -0.71322,-0.23163 -1.057,-0.32905 -0.78701,-0.24462 -1.58224,-0.35863 -2.38563,-0.34218 -0.71656,0.0147 -1.25739,0.12356 -1.62252,0.32648 -0.34343,0.20264 -0.51112,0.49924 -0.50312,0.89009 0.006,0.28225 0.098,0.54105 0.27657,0.77636 0.19986,0.21314 0.56303,0.44464 1.0895,0.69452 0.54818,0.24942 1.34781,0.58068 2.39896,0.99362 1.029,0.39161 1.91729,0.80789 2.66487,1.24877 0.74715,0.41919 1.32306,0.96129 1.72768,1.62641 0.4259,0.64296 0.64974,1.49642 0.67154,2.5604 z m 8.40639,-11.1515 0.30142,14.71885 c 0.0173,0.84626 -0.6546,1.54635 -1.5009,1.56367 l -1.78842,0.0366 c -0.84626,0.0173 -1.54635,-0.6546 -1.56367,-1.5009 l -0.30141,-14.71886 c -0.0173,-0.84627 0.6546,-1.54636 1.5009,-1.56367 l 1.78841,-0.0366 c 0.84627,-0.0173 1.54636,0.6546 1.56367,1.50092 z m -2.58432,-8.45298 c 0.71654,-0.0147 1.33892,0.1463 1.86718,0.48309 0.52779,0.31507 0.80102,0.92856 0.8197,1.8405 0.0182,0.89027 -0.22965,1.51444 -0.74357,1.87258 -0.51404,0.35807 -1.12931,0.54445 -1.84585,0.55913 -0.73826,0.0151 -1.37152,-0.14564 -1.89976,-0.48242 -0.50653,-0.33721 -0.7689,-0.95093 -0.78714,-1.84119 -0.0187,-0.91197 0.21837,-1.53591 0.71111,-1.87186 0.51401,-0.35808 1.14015,-0.54469 1.87841,-0.5598 z m 13.39221,6.37288 c 1.08569,-0.0222 2.06723,0.17489 2.94469,0.5914 0.87743,0.41649 1.62903,1.05274 2.25479,1.90885 l 0.13022,-0.003 c 0.053,-1.62151 0.92731,-2.07451 1.82469,-2.0929 l 1.0393,-0.0213 c 0.84625,-0.0173 1.54634,0.6546 1.56365,1.50091 l 0.14972,16.1761 c 0.006,0.63934 -0.23499,1.62306 -0.66503,2.2835 -0.43004,0.66044 -1.6198,1.93803 -2.93234,2.55141 -1.31208,0.63511 -2.94522,0.97267 -4.89944,1.0127 -1.2594,0.0258 -2.43346,-0.0261 -3.52226,-0.15591 -0.5644,-0.0688 -1.12339,-0.17137 -1.677,-0.30716 -0.82165,-0.20163 -1.4805,-1.1291 -1.49782,-1.97537 l -0.0166,-0.8113 c -0.0173,-0.84624 0.6054,-1.27193 1.41728,-1.03366 0.63265,0.18566 1.27493,0.33315 1.92677,0.44237 1.17744,0.21474 2.3741,0.30981 3.59007,0.28491 1.25939,-0.0258 1.98092,-0.20257 2.81336,-0.83044 0.83244,-0.62787 0.89293,-1.80789 0.88606,-2.76748 -0.007,-0.9596 -0.0109,-0.89572 0.005,-1.20015 l -0.093,0.14247 c -0.58885,0.94616 -1.30245,1.63415 -2.14085,2.06405 -0.8384,0.4299 -1.78955,0.65574 -2.85352,0.67753 -2.10622,0.0431 -3.77289,-0.72647 -5.00005,-2.30882 -1.2059,-1.60451 -1.8384,-3.85073 -1.89754,-6.73862 -0.0596,-2.90961 0.50192,-5.19113 1.68453,-6.84455 1.18262,-1.65342 2.83789,-2.50193 4.96582,-2.54551 z m 1.61152,3.90968 c -0.75999,0.0156 -1.3963,0.235 -1.90898,0.65818 -0.4914,0.40107 -0.85915,1.00596 -1.10329,1.81472 -0.22283,0.78655 -0.32202,1.77699 -0.29756,2.97124 0.0365,1.78052 0.34608,3.1101 0.92888,3.9888 0.58233,0.85699 1.47062,1.27326 2.66486,1.2488 0.62971,-0.0129 1.17099,-0.0999 1.62385,-0.2613 0.45245,-0.18299 0.81602,-0.46201 1.09073,-0.83695 0.29598,-0.39705 0.51374,-0.90114 0.65333,-1.5122 0.1396,-0.6111 0.20037,-1.3509 0.18258,-2.21946 l -0.012,-0.58626 c -0.0262,-1.2811 -0.17753,-2.30982 -0.4542,-3.08619 -0.27657,-0.77636 -0.68982,-1.33268 -1.23979,-1.66898 -0.55038,-0.358 -1.25984,-0.52813 -2.12841,-0.51033 z"
                    style="font-size:13.2602px;font-family:'Noto Sans';-inkscape-font-specification:'Noto Sans, @wght=700';font-variation-settings:'wght' 700;display:inline;fill:#195962;stroke-width:10.8591;stroke-linecap:round;stroke-linejoin:round;paint-order:markers fill stroke"
-                   id="path1-2-8-13-9-6"
-                   sodipodi:nodetypes="ccssccssssscccscccssssscsscscccccccccccssccssscscssscscsscsccsscszcscsssscszzccsscssccsccscsccsssscss" /><path
+                   id="path1-2-8-13-9-6" /><path
                    id="path4-4-11-0-2"
                    style="font-variation-settings:'wght' 700;display:inline;fill:none;stroke:#195962;stroke-width:3.64767;stroke-linecap:round;stroke-linejoin:round;stroke-opacity:1;paint-order:markers fill stroke"
-                   d="m 208.35953,828.56065 c 4.20155,-6.40232 11.67933,-11.91499 20.19969,-11.73012 8.20624,0.17805 13.83263,3.91368 19.70116,9.24107"
-                   sodipodi:nodetypes="csc" /><path
+                   d="m 208.35953,828.56065 c 4.20155,-6.40232 11.67933,-11.91499 20.19969,-11.73012 8.20624,0.17805 13.83263,3.91368 19.70116,9.24107" /><path
                    id="path4-6-7-03-3-1"
                    style="font-variation-settings:'wght' 700;display:inline;fill:none;stroke:#195962;stroke-width:3.64767;stroke-linecap:round;stroke-linejoin:round;stroke-opacity:1;paint-order:markers fill stroke"
-                   d="m 248.51397,859.76996 c -5.73327,5.42971 -12.71409,8.56595 -19.29605,9.02109 -8.96638,0.62002 -15.41863,-3.91867 -20.7683,-10.62518"
-                   sodipodi:nodetypes="csc" /></g></g></g></g><g
+                   d="m 248.51397,859.76996 c -5.73327,5.42971 -12.71409,8.56595 -19.29605,9.02109 -8.96638,0.62002 -15.41863,-3.91867 -20.7683,-10.62518" /></g></g></g></g><g
            id="g369-4"
-           transform="matrix(0.80831517,0,0,0.63361776,529.48634,1229.8297)"
-           inkscape:label="Public Subkey packet"><rect
+           transform="matrix(0.80831517,0,0,0.63361776,529.48634,1229.8297)"><rect
              style="fill:#006961;fill-opacity:1;stroke:none;stroke-width:1.06648;stroke-linecap:round;stroke-miterlimit:0;paint-order:fill markers stroke"
              id="rect368-7"
              width="301.79688"
@@ -599,7 +397,6 @@
              y="2069.4631"
              id="text369-3"
              transform="scale(0.88536694,1.1294752)"><tspan
-               sodipodi:role="line"
                id="tspan369-9"
                x="2750.1816"
                y="2069.4631"
@@ -607,17 +404,11 @@
              id="path369-2"
              style="display:inline;fill:none;stroke:#006961;stroke-width:14.27;stroke-linecap:round;stroke-dasharray:none;stroke-opacity:1"
              d="m 156.30312,759.25868 c -9.78054,19.91382 -30.12868,33.02384 -53.81237,33.02384 -33.173715,0 -60.066326,-26.89261 -60.066326,-60.06633 0,-33.17372 26.892611,-60.06633 60.066326,-60.06633 23.31181,0 43.58824,15.15712 53.54415,34.5646 m -9.14624,1.20213 h 4.97796 c 10.89491,0.20296 25.86265,0 38.79397,0 l 11.43353,7.63836 14.59897,-7.63836 14.59896,7.3422 h 10.87817 l 11.54761,-7.3422 17.66083,7.3422 16.34856,-7.34219 22,25.45886 -22,25.45887 h -135.8606 -4.97796 M 89.058073,732.21619 c -4e-6,6.98969 -5.666271,12.65596 -12.655965,12.65596 -6.989695,0 -12.655963,-5.66627 -12.655967,-12.65596 -2e-6,-6.9897 5.666268,-12.65597 12.655967,-12.65597 6.989698,0 12.655967,5.66627 12.655965,12.65597 z"
-             inkscape:label="Publickey ((Asym))"
-             sodipodi:nodetypes="cssscccccccccccccccsssss"
-             transform="matrix(0.13903626,0,0,-0.17712508,2649.4318,2491.7193)"
-             inkscape:original-d="m 156.30312,759.25868 c -9.78054,19.91382 -30.12868,33.02384 -53.81237,33.02384 -33.173715,0 -60.066326,-26.89261 -60.066326,-60.06633 0,-33.17372 26.892611,-60.06633 60.066326,-60.06633 23.31181,0 43.58824,15.15712 53.54415,34.5646 m -9.14624,1.20213 h 4.97796 c 10.89491,0.20296 25.86265,0 38.79397,0 l 11.43353,7.63836 14.59897,-7.63836 14.59896,7.3422 h 10.87817 l 11.54761,-7.3422 17.66083,7.3422 16.34856,-7.34219 22,25.45886 -22,25.45887 h -135.8606 -4.97796 M 89.058073,732.21619 c -4e-6,6.98969 -5.666271,12.65596 -12.655965,12.65596 -6.989695,0 -12.655963,-5.66627 -12.655967,-12.65596 -2e-6,-6.9897 5.666268,-12.65597 12.655967,-12.65597 6.989698,0 12.655967,5.66627 12.655965,12.65597 z"
-             inkscape:path-effect="#path-effect370-8" /></g></g><g
+             transform="matrix(0.13903626,0,0,-0.17712508,2649.4318,2491.7193)" /></g></g><g
          id="g445"
-         transform="translate(-57.581713,-265.24332)"
-         inkscape:label="User ID +Signature Packet"><g
+         transform="translate(-1597.723,98.430545)"><g
            id="g79-7-4"
-           transform="matrix(0.80831517,0,0,0.63361776,623.30495,1229.9197)"
-           inkscape:label="User ID"><rect
+           transform="matrix(0.80831517,0,0,0.63361776,623.30495,1229.9197)"><rect
              style="fill:#3e4349;fill-opacity:1;stroke:none;stroke-width:1.06648;stroke-linecap:round;stroke-miterlimit:0;paint-order:fill markers stroke"
              id="rect79-7-0"
              width="301.79688"
@@ -640,21 +431,15 @@
              y="2069.2051"
              id="text11-2-8-9-7-8-4-9"
              transform="scale(0.88536694,1.1294752)"><tspan
-               sodipodi:role="line"
                id="tspan11-9-0-9-4-8-3-4"
                x="2771.1719"
                y="2069.2051"
                style="font-style:normal;font-variant:normal;font-weight:500;font-stretch:normal;font-size:24.4286px;font-family:Montserrat;-inkscape-font-specification:'Montserrat Medium';text-align:start;text-anchor:start;stroke-width:3.75261">User ID packet </tspan></text><path
-             id="rect8-1-1-7"
-             style="fill:#3e4349;stroke-width:6.4314;stroke-linecap:round;stroke-linejoin:round;paint-order:markers fill stroke"
-             d="m 115.95259,1350.9911 h 52.3525 c 2.5247,0 4.57136,2.5222 4.57135,5.6335 v 1.3635 c 1e-5,3.1113 -2.04665,5.6335 -4.57135,5.6335 h -52.3525 c -2.5247,0 -4.57137,-2.5222 -4.57136,-5.6335 v -1.3635 c -1e-5,-3.1113 2.04666,-5.6335 4.57136,-5.6335 z m 3e-5,20.5211 h 52.35243 c 2.52471,0 4.5714,2.5222 4.57139,5.6335 v 1.3635 c 1e-5,3.1113 -2.04668,5.6335 -4.57139,5.6335 h -52.35243 c -2.52471,0 -4.5714,-2.5222 -4.57139,-5.6335 v -1.3635 c -1e-5,-3.1113 2.04668,-5.6335 4.57139,-5.6335 z m -3.52278,47.6461 c -68.605125,0 1.97781,0.2287 -72.051915,0 0,-16.5631 14.11191,-29.9901 36.02586,-29.9903 21.91395,0 36.026055,13.427 36.026055,29.9903 z m -14.217665,-57.1117 c 3.8e-5,12.0445 -9.763931,21.8084 -21.80839,21.8084 -12.044384,-10e-5 -21.808238,-9.764 -21.8082,-21.8084 -3.8e-5,-12.0444 9.763816,-21.8083 21.8082,-21.8084 12.044459,0 21.808428,9.7639 21.80839,21.8084 z"
-             inkscape:label="Identity"
-             inkscape:path-effect="#path-effect53-2"
-             inkscape:original-d="m 115.95259,1350.9911 h 52.3525 a 4.5713909,5.6334878 0 0 1 4.57135,5.6335 v 1.3635 a 4.5713909,5.6334878 0 0 1 -4.57135,5.6335 h -52.3525 a 4.5713909,5.6334878 0 0 1 -4.57136,-5.6335 v -1.3635 a 4.5713909,5.6334878 0 0 1 4.57136,-5.6335 z m 3e-5,20.5211 h 52.35243 a 4.5713909,5.6334878 0 0 1 4.57139,5.6335 v 1.3635 a 4.5713909,5.6334878 0 0 1 -4.57139,5.6335 h -52.35243 a 4.5713909,5.6334878 0 0 1 -4.57139,-5.6335 v -1.3635 a 4.5713909,5.6334878 0 0 1 4.57139,-5.6335 z m -3.52278,47.6461 c -68.605125,0 1.97781,0.2287 -72.051915,0 0,-16.5631 14.11191,-29.9901 36.02586,-29.9903 21.91395,0 36.026055,13.427 36.026055,29.9903 z m -14.217665,-57.1117 a 21.808331,21.808331 0 0 1 -21.80839,21.8084 21.808331,21.808331 0 0 1 -21.8082,-21.8084 21.808331,21.808331 0 0 1 21.8082,-21.8084 21.808331,21.808331 0 0 1 21.80839,21.8084 z"
-             transform="matrix(0.29711415,0,0,0.37903275,2663.094,1834.251)" /></g><g
+             id="path1-28-9-6-4-2-6"
+             style="fill:#3e4349;stroke-width:2.00626;stroke-linecap:round;stroke-linejoin:round;paint-order:markers fill stroke"
+             d="m 2694.3444,2365.1206 h 15.9963 c 0.7715,0 1.3969,0.8033 1.3969,1.7942 v 0.4342 c 0,0.9909 -0.6254,1.7942 -1.3969,1.7942 h -15.9963 c -0.7715,0 -1.3968,-0.8033 -1.3968,-1.7942 v -0.4342 c 0,-0.9909 0.6253,-1.7942 1.3968,-1.7942 z m 0,-7.1946 h 15.9963 c 0.7715,0 1.3969,0.8033 1.3969,1.7942 v 0.4343 c 0,0.9908 -0.6254,1.7942 -1.3969,1.7942 h -15.9963 c -0.7715,0 -1.3968,-0.8033 -1.3968,-1.7942 v -0.4343 c 0,-0.9909 0.6253,-1.7942 1.3968,-1.7942 z m 0,-7.1943 h 15.9963 c 0.7715,0 1.3969,0.8032 1.3969,1.794 v 0.4343 c 0,0.9908 -0.6254,1.7941 -1.3969,1.7941 h -15.9963 c -0.7715,0 -1.3968,-0.8033 -1.3968,-1.7941 v -0.4343 c 0,-0.9908 0.6253,-1.794 1.3968,-1.794 z m -5.6436,21.2369 c -17.8435,0 0.5145,0.076 -18.7401,0 0,-5.4957 3.6705,-9.9508 9.37,-9.9508 5.6997,0 9.3701,4.455 9.3701,9.9508 z m -3.6979,-18.9498 c 0,3.9964 -2.5395,7.2361 -5.6722,7.2361 -3.1326,0 -5.6721,-3.2398 -5.6721,-7.2361 0,-3.9964 2.5395,-7.2361 5.6721,-7.2361 3.1327,0 5.6722,3.2397 5.6722,7.2361 z" /></g><g
            id="g79-7-2"
-           transform="matrix(0.80831517,0,0,0.63361776,638.00758,1305.9735)"
-           inkscape:label="Direct Key signature packet"><rect
+           transform="matrix(0.80831517,0,0,0.63361776,638.00758,1305.9735)"><rect
              style="fill:#c7b731;fill-opacity:1;stroke:none;stroke-width:1.06648;stroke-linecap:round;stroke-miterlimit:0;paint-order:fill markers stroke"
              id="rect79-7-6"
              width="301.79688"
@@ -677,7 +462,6 @@
              y="2069.7559"
              id="text11-2-8-9-7-8-4-6"
              transform="scale(0.88536694,1.1294752)"><tspan
-               sodipodi:role="line"
                id="tspan11-9-0-9-4-8-3-5"
                x="2750.552"
                y="2069.7559"
@@ -695,11 +479,9 @@
                  id="tspan2">Certifying self-signature for User ID</tspan></tspan></text><g
              id="g73-6-9-9"
              transform="matrix(0.19150066,0.44433412,-0.34830225,0.24430011,2996.4519,1796.4682)"
-             inkscape:label="Signature Tag"
              style="display:inline;fill:#c83737"><g
                id="g10-8-2-0-6"
-               transform="rotate(-30,1140.748,355.65631)"
-               inkscape:label="Signature vers2"><circle
+               transform="rotate(-30,1140.748,355.65631)"><circle
                  style="fill:#ffffff;fill-opacity:1;stroke:none;stroke-width:14.841;stroke-linecap:square;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;paint-order:fill markers stroke"
                  id="path73-9-6-0"
                  cx="228.22922"
@@ -714,22 +496,17 @@
                  transform="translate(-1.3219444,-1.6027733)"><path
                    d="m 221.1513,845.27224 c 0.0245,1.19424 -0.23692,2.22055 -0.78414,3.07896 -0.54765,0.83668 -1.38159,1.48371 -2.5018,1.94111 -1.12021,0.45737 -2.51629,0.70319 -4.18825,0.73743 -1.23765,0.0254 -2.3034,-0.0398 -3.19722,-0.19519 -0.40967,-0.0614 -0.81981,-0.1454 -1.2304,-0.25248 -0.81861,-0.21326 -1.47042,-1.16054 -1.48776,-2.00679 l -0.0193,-0.94161 c -0.0173,-0.84625 0.59808,-1.25531 1.40189,-0.99093 0.54067,0.1779 1.10164,0.33456 1.68292,0.47012 1.11318,0.2596 2.09317,0.38071 2.94,0.36338 0.95541,-0.0196 1.62563,-0.17459 2.01069,-0.46476 0.40678,-0.29073 0.6055,-0.66408 0.59616,-1.12009 -0.006,-0.30395 -0.0986,-0.57361 -0.27724,-0.80889 -0.15687,-0.23564 -0.50985,-0.50005 -1.05893,-0.79293 -0.54906,-0.29285 -1.40389,-0.66636 -2.56449,-1.1205 -1.11717,-0.45504 -2.0387,-0.90321 -2.76459,-1.3445 -0.72633,-0.46305 -1.26988,-1.0167 -1.63063,-1.66098 -0.36121,-0.66602 -0.55204,-1.49842 -0.57249,-2.49726 -0.0338,-1.65022 0.58141,-2.901 1.84562,-3.75236 1.2642,-0.85137 2.96027,-1.29882 5.08819,-1.3424 1.1074,-0.0227 2.16274,0.0643 3.166,0.26099 0.55248,0.10835 1.1157,0.25922 1.68968,0.45273 0.80179,0.27028 1.17351,1.19658 0.86143,1.98335 l -0.26453,0.66566 c -0.31266,0.78654 -1.20031,1.16326 -2.0021,0.89235 -0.36088,-0.12188 -0.71322,-0.23163 -1.057,-0.32905 -0.78701,-0.24462 -1.58224,-0.35863 -2.38563,-0.34218 -0.71656,0.0147 -1.25739,0.12356 -1.62252,0.32648 -0.34343,0.20264 -0.51112,0.49924 -0.50312,0.89009 0.006,0.28225 0.098,0.54105 0.27657,0.77636 0.19986,0.21314 0.56303,0.44464 1.0895,0.69452 0.54818,0.24942 1.34781,0.58068 2.39896,0.99362 1.029,0.39161 1.91729,0.80789 2.66487,1.24877 0.74715,0.41919 1.32306,0.96129 1.72768,1.62641 0.4259,0.64296 0.64974,1.49642 0.67154,2.5604 z m 8.40639,-11.1515 0.30142,14.71885 c 0.0173,0.84626 -0.6546,1.54635 -1.5009,1.56367 l -1.78842,0.0366 c -0.84626,0.0173 -1.54635,-0.6546 -1.56367,-1.5009 l -0.30141,-14.71886 c -0.0173,-0.84627 0.6546,-1.54636 1.5009,-1.56367 l 1.78841,-0.0366 c 0.84627,-0.0173 1.54636,0.6546 1.56367,1.50092 z m -2.58432,-8.45298 c 0.71654,-0.0147 1.33892,0.1463 1.86718,0.48309 0.52779,0.31507 0.80102,0.92856 0.8197,1.8405 0.0182,0.89027 -0.22965,1.51444 -0.74357,1.87258 -0.51404,0.35807 -1.12931,0.54445 -1.84585,0.55913 -0.73826,0.0151 -1.37152,-0.14564 -1.89976,-0.48242 -0.50653,-0.33721 -0.7689,-0.95093 -0.78714,-1.84119 -0.0187,-0.91197 0.21837,-1.53591 0.71111,-1.87186 0.51401,-0.35808 1.14015,-0.54469 1.87841,-0.5598 z m 13.39221,6.37288 c 1.08569,-0.0222 2.06723,0.17489 2.94469,0.5914 0.87743,0.41649 1.62903,1.05274 2.25479,1.90885 l 0.13022,-0.003 c 0.053,-1.62151 0.92731,-2.07451 1.82469,-2.0929 l 1.0393,-0.0213 c 0.84625,-0.0173 1.54634,0.6546 1.56365,1.50091 l 0.14972,16.1761 c 0.006,0.63934 -0.23499,1.62306 -0.66503,2.2835 -0.43004,0.66044 -1.6198,1.93803 -2.93234,2.55141 -1.31208,0.63511 -2.94522,0.97267 -4.89944,1.0127 -1.2594,0.0258 -2.43346,-0.0261 -3.52226,-0.15591 -0.5644,-0.0688 -1.12339,-0.17137 -1.677,-0.30716 -0.82165,-0.20163 -1.4805,-1.1291 -1.49782,-1.97537 l -0.0166,-0.8113 c -0.0173,-0.84624 0.6054,-1.27193 1.41728,-1.03366 0.63265,0.18566 1.27493,0.33315 1.92677,0.44237 1.17744,0.21474 2.3741,0.30981 3.59007,0.28491 1.25939,-0.0258 1.98092,-0.20257 2.81336,-0.83044 0.83244,-0.62787 0.89293,-1.80789 0.88606,-2.76748 -0.007,-0.9596 -0.0109,-0.89572 0.005,-1.20015 l -0.093,0.14247 c -0.58885,0.94616 -1.30245,1.63415 -2.14085,2.06405 -0.8384,0.4299 -1.78955,0.65574 -2.85352,0.67753 -2.10622,0.0431 -3.77289,-0.72647 -5.00005,-2.30882 -1.2059,-1.60451 -1.8384,-3.85073 -1.89754,-6.73862 -0.0596,-2.90961 0.50192,-5.19113 1.68453,-6.84455 1.18262,-1.65342 2.83789,-2.50193 4.96582,-2.54551 z m 1.61152,3.90968 c -0.75999,0.0156 -1.3963,0.235 -1.90898,0.65818 -0.4914,0.40107 -0.85915,1.00596 -1.10329,1.81472 -0.22283,0.78655 -0.32202,1.77699 -0.29756,2.97124 0.0365,1.78052 0.34608,3.1101 0.92888,3.9888 0.58233,0.85699 1.47062,1.27326 2.66486,1.2488 0.62971,-0.0129 1.17099,-0.0999 1.62385,-0.2613 0.45245,-0.18299 0.81602,-0.46201 1.09073,-0.83695 0.29598,-0.39705 0.51374,-0.90114 0.65333,-1.5122 0.1396,-0.6111 0.20037,-1.3509 0.18258,-2.21946 l -0.012,-0.58626 c -0.0262,-1.2811 -0.17753,-2.30982 -0.4542,-3.08619 -0.27657,-0.77636 -0.68982,-1.33268 -1.23979,-1.66898 -0.55038,-0.358 -1.25984,-0.52813 -2.12841,-0.51033 z"
                    style="font-size:13.2602px;font-family:'Noto Sans';-inkscape-font-specification:'Noto Sans, @wght=700';font-variation-settings:'wght' 700;display:inline;fill:#195962;stroke-width:10.8591;stroke-linecap:round;stroke-linejoin:round;paint-order:markers fill stroke"
-                   id="path1-2-8-13-9-0"
-                   sodipodi:nodetypes="ccssccssssscccscccssssscsscscccccccccccssccssscscssscscsscsccsscszcscsssscszzccsscssccsccscsccsssscss" /><path
+                   id="path1-2-8-13-9-0" /><path
                    id="path4-4-11-0-4"
                    style="font-variation-settings:'wght' 700;display:inline;fill:none;stroke:#195962;stroke-width:3.64767;stroke-linecap:round;stroke-linejoin:round;stroke-opacity:1;paint-order:markers fill stroke"
-                   d="m 208.35953,828.56065 c 4.20155,-6.40232 11.67933,-11.91499 20.19969,-11.73012 8.20624,0.17805 13.83263,3.91368 19.70116,9.24107"
-                   sodipodi:nodetypes="csc" /><path
+                   d="m 208.35953,828.56065 c 4.20155,-6.40232 11.67933,-11.91499 20.19969,-11.73012 8.20624,0.17805 13.83263,3.91368 19.70116,9.24107" /><path
                    id="path4-6-7-03-3-8"
                    style="font-variation-settings:'wght' 700;display:inline;fill:none;stroke:#195962;stroke-width:3.64767;stroke-linecap:round;stroke-linejoin:round;stroke-opacity:1;paint-order:markers fill stroke"
-                   d="m 248.51397,859.76996 c -5.73327,5.42971 -12.71409,8.56595 -19.29605,9.02109 -8.96638,0.62002 -15.41863,-3.91867 -20.7683,-10.62518"
-                   sodipodi:nodetypes="csc" /></g></g></g></g></g><g
+                   d="m 248.51397,859.76996 c -5.73327,5.42971 -12.71409,8.56595 -19.29605,9.02109 -8.96638,0.62002 -15.41863,-3.91867 -20.7683,-10.62518" /></g></g></g></g></g><g
          id="g446"
-         transform="translate(-162.68072,-259.99789)"
-         inkscape:label="Public Key Packet+ Signature"><g
+         transform="translate(-1702.822,103.67594)"><g
            id="g79-7"
-           transform="matrix(0.80831517,0,0,0.63361776,743.30584,1126.0325)"
-           inkscape:label="Direct Key signature packet"><rect
+           transform="matrix(0.80831517,0,0,0.63361776,743.30584,1126.0325)"><rect
              style="fill:#c7b731;fill-opacity:1;stroke:none;stroke-width:1.06648;stroke-linecap:round;stroke-miterlimit:0;paint-order:fill markers stroke"
              id="rect79-7"
              width="301.79688"
@@ -752,7 +529,6 @@
              y="2069.7559"
              id="text11-2-8-9-7-8-4"
              transform="scale(0.88536694,1.1294752)"><tspan
-               sodipodi:role="line"
                id="tspan11-9-0-9-4-8-3"
                x="2750.552"
                y="2069.7559"
@@ -763,18 +539,15 @@
              y="2096.2305"
              id="text11-2-8-9-7-8-4-2"
              transform="scale(0.88536694,1.1294752)"><tspan
-               sodipodi:role="line"
                id="tspan11-9-0-9-4-8-3-8"
                x="2749.6418"
                y="2096.2305"
                style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:16.7678px;font-family:Montserrat;-inkscape-font-specification:Montserrat;text-align:start;text-anchor:start;stroke-width:3.75261">Direct Key Signature</tspan></text><g
              id="g73-6-9"
              transform="matrix(0.19150066,0.44433412,-0.34830225,0.24430011,2996.4519,1796.4682)"
-             inkscape:label="Signature Tag"
              style="display:inline;fill:#c83737"><g
                id="g10-8-2-0"
-               transform="rotate(-30,1140.748,355.65631)"
-               inkscape:label="Signature vers2"><circle
+               transform="rotate(-30,1140.748,355.65631)"><circle
                  style="fill:#ffffff;fill-opacity:1;stroke:none;stroke-width:14.841;stroke-linecap:square;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;paint-order:fill markers stroke"
                  id="path73-9-6"
                  cx="228.22922"
@@ -789,19 +562,15 @@
                  transform="translate(-1.3219444,-1.6027733)"><path
                    d="m 221.1513,845.27224 c 0.0245,1.19424 -0.23692,2.22055 -0.78414,3.07896 -0.54765,0.83668 -1.38159,1.48371 -2.5018,1.94111 -1.12021,0.45737 -2.51629,0.70319 -4.18825,0.73743 -1.23765,0.0254 -2.3034,-0.0398 -3.19722,-0.19519 -0.40967,-0.0614 -0.81981,-0.1454 -1.2304,-0.25248 -0.81861,-0.21326 -1.47042,-1.16054 -1.48776,-2.00679 l -0.0193,-0.94161 c -0.0173,-0.84625 0.59808,-1.25531 1.40189,-0.99093 0.54067,0.1779 1.10164,0.33456 1.68292,0.47012 1.11318,0.2596 2.09317,0.38071 2.94,0.36338 0.95541,-0.0196 1.62563,-0.17459 2.01069,-0.46476 0.40678,-0.29073 0.6055,-0.66408 0.59616,-1.12009 -0.006,-0.30395 -0.0986,-0.57361 -0.27724,-0.80889 -0.15687,-0.23564 -0.50985,-0.50005 -1.05893,-0.79293 -0.54906,-0.29285 -1.40389,-0.66636 -2.56449,-1.1205 -1.11717,-0.45504 -2.0387,-0.90321 -2.76459,-1.3445 -0.72633,-0.46305 -1.26988,-1.0167 -1.63063,-1.66098 -0.36121,-0.66602 -0.55204,-1.49842 -0.57249,-2.49726 -0.0338,-1.65022 0.58141,-2.901 1.84562,-3.75236 1.2642,-0.85137 2.96027,-1.29882 5.08819,-1.3424 1.1074,-0.0227 2.16274,0.0643 3.166,0.26099 0.55248,0.10835 1.1157,0.25922 1.68968,0.45273 0.80179,0.27028 1.17351,1.19658 0.86143,1.98335 l -0.26453,0.66566 c -0.31266,0.78654 -1.20031,1.16326 -2.0021,0.89235 -0.36088,-0.12188 -0.71322,-0.23163 -1.057,-0.32905 -0.78701,-0.24462 -1.58224,-0.35863 -2.38563,-0.34218 -0.71656,0.0147 -1.25739,0.12356 -1.62252,0.32648 -0.34343,0.20264 -0.51112,0.49924 -0.50312,0.89009 0.006,0.28225 0.098,0.54105 0.27657,0.77636 0.19986,0.21314 0.56303,0.44464 1.0895,0.69452 0.54818,0.24942 1.34781,0.58068 2.39896,0.99362 1.029,0.39161 1.91729,0.80789 2.66487,1.24877 0.74715,0.41919 1.32306,0.96129 1.72768,1.62641 0.4259,0.64296 0.64974,1.49642 0.67154,2.5604 z m 8.40639,-11.1515 0.30142,14.71885 c 0.0173,0.84626 -0.6546,1.54635 -1.5009,1.56367 l -1.78842,0.0366 c -0.84626,0.0173 -1.54635,-0.6546 -1.56367,-1.5009 l -0.30141,-14.71886 c -0.0173,-0.84627 0.6546,-1.54636 1.5009,-1.56367 l 1.78841,-0.0366 c 0.84627,-0.0173 1.54636,0.6546 1.56367,1.50092 z m -2.58432,-8.45298 c 0.71654,-0.0147 1.33892,0.1463 1.86718,0.48309 0.52779,0.31507 0.80102,0.92856 0.8197,1.8405 0.0182,0.89027 -0.22965,1.51444 -0.74357,1.87258 -0.51404,0.35807 -1.12931,0.54445 -1.84585,0.55913 -0.73826,0.0151 -1.37152,-0.14564 -1.89976,-0.48242 -0.50653,-0.33721 -0.7689,-0.95093 -0.78714,-1.84119 -0.0187,-0.91197 0.21837,-1.53591 0.71111,-1.87186 0.51401,-0.35808 1.14015,-0.54469 1.87841,-0.5598 z m 13.39221,6.37288 c 1.08569,-0.0222 2.06723,0.17489 2.94469,0.5914 0.87743,0.41649 1.62903,1.05274 2.25479,1.90885 l 0.13022,-0.003 c 0.053,-1.62151 0.92731,-2.07451 1.82469,-2.0929 l 1.0393,-0.0213 c 0.84625,-0.0173 1.54634,0.6546 1.56365,1.50091 l 0.14972,16.1761 c 0.006,0.63934 -0.23499,1.62306 -0.66503,2.2835 -0.43004,0.66044 -1.6198,1.93803 -2.93234,2.55141 -1.31208,0.63511 -2.94522,0.97267 -4.89944,1.0127 -1.2594,0.0258 -2.43346,-0.0261 -3.52226,-0.15591 -0.5644,-0.0688 -1.12339,-0.17137 -1.677,-0.30716 -0.82165,-0.20163 -1.4805,-1.1291 -1.49782,-1.97537 l -0.0166,-0.8113 c -0.0173,-0.84624 0.6054,-1.27193 1.41728,-1.03366 0.63265,0.18566 1.27493,0.33315 1.92677,0.44237 1.17744,0.21474 2.3741,0.30981 3.59007,0.28491 1.25939,-0.0258 1.98092,-0.20257 2.81336,-0.83044 0.83244,-0.62787 0.89293,-1.80789 0.88606,-2.76748 -0.007,-0.9596 -0.0109,-0.89572 0.005,-1.20015 l -0.093,0.14247 c -0.58885,0.94616 -1.30245,1.63415 -2.14085,2.06405 -0.8384,0.4299 -1.78955,0.65574 -2.85352,0.67753 -2.10622,0.0431 -3.77289,-0.72647 -5.00005,-2.30882 -1.2059,-1.60451 -1.8384,-3.85073 -1.89754,-6.73862 -0.0596,-2.90961 0.50192,-5.19113 1.68453,-6.84455 1.18262,-1.65342 2.83789,-2.50193 4.96582,-2.54551 z m 1.61152,3.90968 c -0.75999,0.0156 -1.3963,0.235 -1.90898,0.65818 -0.4914,0.40107 -0.85915,1.00596 -1.10329,1.81472 -0.22283,0.78655 -0.32202,1.77699 -0.29756,2.97124 0.0365,1.78052 0.34608,3.1101 0.92888,3.9888 0.58233,0.85699 1.47062,1.27326 2.66486,1.2488 0.62971,-0.0129 1.17099,-0.0999 1.62385,-0.2613 0.45245,-0.18299 0.81602,-0.46201 1.09073,-0.83695 0.29598,-0.39705 0.51374,-0.90114 0.65333,-1.5122 0.1396,-0.6111 0.20037,-1.3509 0.18258,-2.21946 l -0.012,-0.58626 c -0.0262,-1.2811 -0.17753,-2.30982 -0.4542,-3.08619 -0.27657,-0.77636 -0.68982,-1.33268 -1.23979,-1.66898 -0.55038,-0.358 -1.25984,-0.52813 -2.12841,-0.51033 z"
                    style="font-size:13.2602px;font-family:'Noto Sans';-inkscape-font-specification:'Noto Sans, @wght=700';font-variation-settings:'wght' 700;display:inline;fill:#195962;stroke-width:10.8591;stroke-linecap:round;stroke-linejoin:round;paint-order:markers fill stroke"
-                   id="path1-2-8-13-9"
-                   sodipodi:nodetypes="ccssccssssscccscccssssscsscscccccccccccssccssscscssscscsscsccsscszcscsssscszzccsscssccsccscsccsssscss" /><path
+                   id="path1-2-8-13-9" /><path
                    id="path4-4-11-0"
                    style="font-variation-settings:'wght' 700;display:inline;fill:none;stroke:#195962;stroke-width:3.64767;stroke-linecap:round;stroke-linejoin:round;stroke-opacity:1;paint-order:markers fill stroke"
-                   d="m 208.35953,828.56065 c 4.20155,-6.40232 11.67933,-11.91499 20.19969,-11.73012 8.20624,0.17805 13.83263,3.91368 19.70116,9.24107"
-                   sodipodi:nodetypes="csc" /><path
+                   d="m 208.35953,828.56065 c 4.20155,-6.40232 11.67933,-11.91499 20.19969,-11.73012 8.20624,0.17805 13.83263,3.91368 19.70116,9.24107" /><path
                    id="path4-6-7-03-3"
                    style="font-variation-settings:'wght' 700;display:inline;fill:none;stroke:#195962;stroke-width:3.64767;stroke-linecap:round;stroke-linejoin:round;stroke-opacity:1;paint-order:markers fill stroke"
-                   d="m 248.51397,859.76996 c -5.73327,5.42971 -12.71409,8.56595 -19.29605,9.02109 -8.96638,0.62002 -15.41863,-3.91867 -20.7683,-10.62518"
-                   sodipodi:nodetypes="csc" /></g></g></g></g><g
+                   d="m 248.51397,859.76996 c -5.73327,5.42971 -12.71409,8.56595 -19.29605,9.02109 -8.96638,0.62002 -15.41863,-3.91867 -20.7683,-10.62518" /></g></g></g></g><g
            id="g369"
-           transform="matrix(0.80831517,0,0,0.63361776,743.00836,1050.5824)"
-           inkscape:label="Public Key packet"><rect
+           transform="matrix(0.80831517,0,0,0.63361776,743.00836,1050.5824)"><rect
              style="fill:#006961;fill-opacity:1;stroke:none;stroke-width:1.06648;stroke-linecap:round;stroke-miterlimit:0;paint-order:fill markers stroke"
              id="rect368"
              width="301.79688"
@@ -824,7 +593,6 @@
              y="2069.4631"
              id="text369"
              transform="scale(0.88536694,1.1294752)"><tspan
-               sodipodi:role="line"
                id="tspan369"
                x="2750.1816"
                y="2069.4631"
@@ -832,8 +600,4 @@
              id="path369"
              style="display:inline;fill:none;stroke:#006961;stroke-width:14.27;stroke-linecap:round;stroke-dasharray:none;stroke-opacity:1"
              d="m 156.30312,759.25868 c -9.78054,19.91382 -30.12868,33.02384 -53.81237,33.02384 -33.173715,0 -60.066326,-26.89261 -60.066326,-60.06633 0,-33.17372 26.892611,-60.06633 60.066326,-60.06633 23.31181,0 43.58824,15.15712 53.54415,34.5646 m -9.14624,1.20213 h 4.97796 c 10.89491,0.20296 25.86265,0 38.79397,0 l 11.43353,7.63836 14.59897,-7.63836 14.59896,7.3422 h 10.87817 l 11.54761,-7.3422 17.66083,7.3422 16.34856,-7.34219 22,25.45886 -22,25.45887 h -135.8606 -4.97796 M 89.058073,732.21619 c -4e-6,6.98969 -5.666271,12.65596 -12.655965,12.65596 -6.989695,0 -12.655963,-5.66627 -12.655967,-12.65596 -2e-6,-6.9897 5.666268,-12.65597 12.655967,-12.65597 6.989698,0 12.655967,5.66627 12.655965,12.65597 z"
-             inkscape:label="Publickey ((Asym))"
-             sodipodi:nodetypes="cssscccccccccccccccsssss"
-             transform="matrix(0.13903626,0,0,-0.17712508,2649.4318,2488.5628)"
-             inkscape:original-d="m 156.30312,759.25868 c -9.78054,19.91382 -30.12868,33.02384 -53.81237,33.02384 -33.173715,0 -60.066326,-26.89261 -60.066326,-60.06633 0,-33.17372 26.892611,-60.06633 60.066326,-60.06633 23.31181,0 43.58824,15.15712 53.54415,34.5646 m -9.14624,1.20213 h 4.97796 c 10.89491,0.20296 25.86265,0 38.79397,0 l 11.43353,7.63836 14.59897,-7.63836 14.59896,7.3422 h 10.87817 l 11.54761,-7.3422 17.66083,7.3422 16.34856,-7.34219 22,25.45886 -22,25.45887 h -135.8606 -4.97796 M 89.058073,732.21619 c -4e-6,6.98969 -5.666271,12.65596 -12.655965,12.65596 -6.989695,0 -12.655963,-5.66627 -12.655967,-12.65596 -2e-6,-6.9897 5.666268,-12.65597 12.655967,-12.65597 6.989698,0 12.655967,5.66627 12.655965,12.65597 z"
-             inkscape:path-effect="#path-effect370" /></g></g></g></g></svg>
+             transform="matrix(0.13903626,0,0,-0.17712508,2649.4318,2488.5628)" /></g></g></g></g></svg>
diff --git a/book/source/diag/cryptographic_signature.svg b/book/source/diag/cryptographic_signature.svg
new file mode 100644
index 0000000..0b1c7c7
--- /dev/null
+++ b/book/source/diag/cryptographic_signature.svg
@@ -0,0 +1,137 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   viewBox="0 0 657.02161 189.17072"
+   version="1.1"
+   id="svg1"
+   width="657.02161"
+   height="189.17072"
+   xml:space="preserve"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:svg="http://www.w3.org/2000/svg"><defs
+     id="defs1"><linearGradient
+       id="swatch251"><stop
+         style="stop-color:#195962;stop-opacity:1;"
+         offset="0"
+         id="stop251" /></linearGradient><marker
+       style="overflow:visible"
+       id="Square-4"
+       refX="0"
+       refY="0"
+       orient="auto"
+       markerWidth="1"
+       markerHeight="1"
+       viewBox="0 0 1 1"
+       preserveAspectRatio="xMidYMid"><path
+         transform="scale(0.5)"
+         style="fill:context-stroke;fill-rule:evenodd;stroke:none"
+         d="M -5,-5 V 5 H 5 V -5 Z"
+         id="path18-3" /></marker><filter
+       style="color-interpolation-filters:sRGB"
+       id="filter90-2-0-5"
+       x="-0.035144769"
+       y="-0.028762207"
+       width="1.0759963"
+       height="1.0655139"><feFlood
+         result="flood"
+         in="SourceGraphic"
+         flood-opacity="0.796078"
+         flood-color="rgb(62,67,73)"
+         id="feFlood89-3-6-2" /><feGaussianBlur
+         result="blur"
+         in="SourceGraphic"
+         stdDeviation="2.132 0"
+         id="feGaussianBlur89-7-8-5" /><feOffset
+         result="offset"
+         in="blur"
+         dx="1.000000"
+         dy="1.000000"
+         id="feOffset89-5-9-4" /><feComposite
+         result="comp1"
+         operator="in"
+         in="flood"
+         in2="offset"
+         id="feComposite89-9-2-7" /><feComposite
+         result="fbSourceGraphic"
+         operator="over"
+         in="SourceGraphic"
+         in2="comp1"
+         id="feComposite90-2-6-4" /><feColorMatrix
+         result="fbSourceGraphicAlpha"
+         in="fbSourceGraphic"
+         values="0 0 0 -1 0 0 0 0 -1 0 0 0 0 -1 0 0 0 0 1 0"
+         id="feColorMatrix90-2-6-4" /><feFlood
+         id="feFlood90-8-4-3"
+         result="flood"
+         in="fbSourceGraphic"
+         flood-opacity="0.796078"
+         flood-color="rgb(62,67,73)" /><feGaussianBlur
+         id="feGaussianBlur90-9-9-0"
+         result="blur"
+         in="fbSourceGraphic"
+         stdDeviation="3.000000" /><feOffset
+         id="feOffset90-7-5-7"
+         result="offset"
+         in="blur"
+         dx="1.000000"
+         dy="1.000000" /><feComposite
+         id="feComposite91-3-0-8"
+         result="comp1"
+         operator="in"
+         in="flood"
+         in2="offset" /><feComposite
+         id="feComposite92-6-4-6"
+         result="comp2"
+         operator="over"
+         in="fbSourceGraphic"
+         in2="comp1" /></filter></defs><!--! Font Awesome Pro 6.4.2 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license (Commercial License) Copyright 2023 Fonticons, Inc. --><g
+     id="layer18"
+     style="display:inline"
+     transform="translate(-2435.5118,2102.3859)"><g
+       id="layer25"><path
+         style="display:inline;fill:#ffffff;fill-opacity:1;stroke:none;stroke-width:1.31168;stroke-linecap:butt;stroke-linejoin:miter;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;paint-order:fill markers stroke;filter:url(#filter90-2-0-5)"
+         id="rect65-7-3"
+         width="642.6438"
+         height="250.32849"
+         x="825.70776"
+         y="875.02576"
+         transform="matrix(0.67681622,0,0,0.57271382,1980.6417,-2579.5677)"
+         d="m 860.41563,875.02576 h 573.22807 c 19.2282,0 34.7079,18.29346 34.7079,41.01672 v 168.29502 c 0,22.7233 -15.4797,41.0167 -34.7079,41.0167 H 860.41563 c -19.22816,0 -34.70787,-18.2934 -34.70787,-41.0167 V 916.04248 c 0,-22.72326 15.47971,-41.01672 34.70787,-41.01672 z"
+         ry="41.016724"
+         rx="34.707863" /><g
+         id="g10-8-7-3-0-9"
+         transform="matrix(0.55050909,0.33336718,-0.33336718,0.55050909,2745.1539,-2546.3344)"
+         style="display:inline;fill:#c83737;stroke-width:1.7;stroke-dasharray:none"><circle
+           style="fill:#ffffff;fill-opacity:1;stroke:none;stroke-width:14.841;stroke-linecap:square;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;paint-order:fill markers stroke"
+           id="path73-6-7-4-9"
+           cx="228.22922"
+           cy="841.32001"
+           transform="rotate(0.01535728)"
+           r="33.171581" /><path
+           id="path3-6-9-0-8-3"
+           style="font-variation-settings:'wght' 700;fill:none;stroke:#195962;stroke-width:6.40174;stroke-linecap:round;stroke-linejoin:round;paint-order:markers fill stroke"
+           d="m 563.52509,693.28894 a 35.520878,35.520878 0 0 1 -35.52088,35.52088 35.520878,35.520878 0 0 1 -35.52088,-35.52088 35.520878,35.520878 0 0 1 35.52088,-35.52088 35.520878,35.520878 0 0 1 35.52088,35.52088 z"
+           transform="rotate(22.152263)" /><g
+           id="g9-2-1-6-0-6"
+           transform="translate(-1.3219444,-1.6027733)"><path
+             d="m 221.1513,845.27224 c 0.0245,1.19424 -0.23692,2.22055 -0.78414,3.07896 -0.54765,0.83668 -1.38159,1.48371 -2.5018,1.94111 -1.12021,0.45737 -2.51629,0.70319 -4.18825,0.73743 -1.23765,0.0254 -2.3034,-0.0398 -3.19722,-0.19519 -0.40967,-0.0614 -0.81981,-0.1454 -1.2304,-0.25248 -0.81861,-0.21326 -1.47042,-1.16054 -1.48776,-2.00679 l -0.0193,-0.94161 c -0.0173,-0.84625 0.59808,-1.25531 1.40189,-0.99093 0.54067,0.1779 1.10164,0.33456 1.68292,0.47012 1.11318,0.2596 2.09317,0.38071 2.94,0.36338 0.95541,-0.0196 1.62563,-0.17459 2.01069,-0.46476 0.40678,-0.29073 0.6055,-0.66408 0.59616,-1.12009 -0.006,-0.30395 -0.0986,-0.57361 -0.27724,-0.80889 -0.15687,-0.23564 -0.50985,-0.50005 -1.05893,-0.79293 -0.54906,-0.29285 -1.40389,-0.66636 -2.56449,-1.1205 -1.11717,-0.45504 -2.0387,-0.90321 -2.76459,-1.3445 -0.72633,-0.46305 -1.26988,-1.0167 -1.63063,-1.66098 -0.36121,-0.66602 -0.55204,-1.49842 -0.57249,-2.49726 -0.0338,-1.65022 0.58141,-2.901 1.84562,-3.75236 1.2642,-0.85137 2.96027,-1.29882 5.08819,-1.3424 1.1074,-0.0227 2.16274,0.0643 3.166,0.26099 0.55248,0.10835 1.1157,0.25922 1.68968,0.45273 0.80179,0.27028 1.17351,1.19658 0.86143,1.98335 l -0.26453,0.66566 c -0.31266,0.78654 -1.20031,1.16326 -2.0021,0.89235 -0.36088,-0.12188 -0.71322,-0.23163 -1.057,-0.32905 -0.78701,-0.24462 -1.58224,-0.35863 -2.38563,-0.34218 -0.71656,0.0147 -1.25739,0.12356 -1.62252,0.32648 -0.34343,0.20264 -0.51112,0.49924 -0.50312,0.89009 0.006,0.28225 0.098,0.54105 0.27657,0.77636 0.19986,0.21314 0.56303,0.44464 1.0895,0.69452 0.54818,0.24942 1.34781,0.58068 2.39896,0.99362 1.029,0.39161 1.91729,0.80789 2.66487,1.24877 0.74715,0.41919 1.32306,0.96129 1.72768,1.62641 0.4259,0.64296 0.64974,1.49642 0.67154,2.5604 z m 8.40639,-11.1515 0.30142,14.71885 c 0.0173,0.84626 -0.6546,1.54635 -1.5009,1.56367 l -1.78842,0.0366 c -0.84626,0.0173 -1.54635,-0.6546 -1.56367,-1.5009 l -0.30141,-14.71886 c -0.0173,-0.84627 0.6546,-1.54636 1.5009,-1.56367 l 1.78841,-0.0366 c 0.84627,-0.0173 1.54636,0.6546 1.56367,1.50092 z m -2.58432,-8.45298 c 0.71654,-0.0147 1.33892,0.1463 1.86718,0.48309 0.52779,0.31507 0.80102,0.92856 0.8197,1.8405 0.0182,0.89027 -0.22965,1.51444 -0.74357,1.87258 -0.51404,0.35807 -1.12931,0.54445 -1.84585,0.55913 -0.73826,0.0151 -1.37152,-0.14564 -1.89976,-0.48242 -0.50653,-0.33721 -0.7689,-0.95093 -0.78714,-1.84119 -0.0187,-0.91197 0.21837,-1.53591 0.71111,-1.87186 0.51401,-0.35808 1.14015,-0.54469 1.87841,-0.5598 z m 13.39221,6.37288 c 1.08569,-0.0222 2.06723,0.17489 2.94469,0.5914 0.87743,0.41649 1.62903,1.05274 2.25479,1.90885 l 0.13022,-0.003 c 0.053,-1.62151 0.92731,-2.07451 1.82469,-2.0929 l 1.0393,-0.0213 c 0.84625,-0.0173 1.54634,0.6546 1.56365,1.50091 l 0.14972,16.1761 c 0.006,0.63934 -0.23499,1.62306 -0.66503,2.2835 -0.43004,0.66044 -1.6198,1.93803 -2.93234,2.55141 -1.31208,0.63511 -2.94522,0.97267 -4.89944,1.0127 -1.2594,0.0258 -2.43346,-0.0261 -3.52226,-0.15591 -0.5644,-0.0688 -1.12339,-0.17137 -1.677,-0.30716 -0.82165,-0.20163 -1.4805,-1.1291 -1.49782,-1.97537 l -0.0166,-0.8113 c -0.0173,-0.84624 0.6054,-1.27193 1.41728,-1.03366 0.63265,0.18566 1.27493,0.33315 1.92677,0.44237 1.17744,0.21474 2.3741,0.30981 3.59007,0.28491 1.25939,-0.0258 1.98092,-0.20257 2.81336,-0.83044 0.83244,-0.62787 0.89293,-1.80789 0.88606,-2.76748 -0.007,-0.9596 -0.0109,-0.89572 0.005,-1.20015 l -0.093,0.14247 c -0.58885,0.94616 -1.30245,1.63415 -2.14085,2.06405 -0.8384,0.4299 -1.78955,0.65574 -2.85352,0.67753 -2.10622,0.0431 -3.77289,-0.72647 -5.00005,-2.30882 -1.2059,-1.60451 -1.8384,-3.85073 -1.89754,-6.73862 -0.0596,-2.90961 0.50192,-5.19113 1.68453,-6.84455 1.18262,-1.65342 2.83789,-2.50193 4.96582,-2.54551 z m 1.61152,3.90968 c -0.75999,0.0156 -1.3963,0.235 -1.90898,0.65818 -0.4914,0.40107 -0.85915,1.00596 -1.10329,1.81472 -0.22283,0.78655 -0.32202,1.77699 -0.29756,2.97124 0.0365,1.78052 0.34608,3.1101 0.92888,3.9888 0.58233,0.85699 1.47062,1.27326 2.66486,1.2488 0.62971,-0.0129 1.17099,-0.0999 1.62385,-0.2613 0.45245,-0.18299 0.81602,-0.46201 1.09073,-0.83695 0.29598,-0.39705 0.51374,-0.90114 0.65333,-1.5122 0.1396,-0.6111 0.20037,-1.3509 0.18258,-2.21946 l -0.012,-0.58626 c -0.0262,-1.2811 -0.17753,-2.30982 -0.4542,-3.08619 -0.27657,-0.77636 -0.68982,-1.33268 -1.23979,-1.66898 -0.55038,-0.358 -1.25984,-0.52813 -2.12841,-0.51033 z"
+             style="font-size:13.2602px;font-family:'Noto Sans';-inkscape-font-specification:'Noto Sans, @wght=700';font-variation-settings:'wght' 700;display:inline;fill:#195962;stroke-width:10.8591;stroke-linecap:round;stroke-linejoin:round;paint-order:markers fill stroke"
+             id="path1-2-8-1-9-4-0" /><path
+             id="path4-4-9-2-29-5"
+             style="font-variation-settings:'wght' 700;display:inline;fill:none;stroke:#195962;stroke-width:3.64767;stroke-linecap:round;stroke-linejoin:round;stroke-opacity:1;paint-order:markers fill stroke"
+             d="m 208.35953,828.56065 c 4.20155,-6.40232 11.67933,-11.91499 20.19969,-11.73012 8.20624,0.17805 13.83263,3.91368 19.70116,9.24107" /><path
+             id="path4-6-7-0-1-61-0"
+             style="font-variation-settings:'wght' 700;display:inline;fill:none;stroke:#195962;stroke-width:3.64767;stroke-linecap:round;stroke-linejoin:round;stroke-opacity:1;paint-order:markers fill stroke"
+             d="m 248.51397,859.76996 c -5.73327,5.42971 -12.71409,8.56595 -19.29605,9.02109 -8.96638,0.62002 -15.41863,-3.91867 -20.7683,-10.62518" /></g></g><path
+         style="display:inline;fill:none;fill-opacity:1;stroke:#195962;stroke-width:1.4;stroke-linecap:butt;stroke-linejoin:miter;stroke-dasharray:2.8, 2.8;stroke-dashoffset:0;stroke-opacity:1;marker-start:url(#Square-4);paint-order:fill markers stroke"
+         d="m 2615.6864,-2004.3631 110.2489,0.03"
+         id="path252-3" /><text
+         xml:space="preserve"
+         style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:18.6667px;font-family:Sans;-inkscape-font-specification:'Sans, @wght=500';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal;font-variation-settings:'wght' 500;text-align:start;text-anchor:start;display:inline;fill:#3e4349;fill-opacity:1;stroke:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:none;stroke-opacity:1;paint-order:markers fill stroke"
+         x="2754.6633"
+         y="-1978.2242"
+         id="text11-2-8-02-9-7"
+         transform="scale(0.98944431,1.0106683)"><tspan
+           id="tspan11-9-0-7-1-4"
+           x="2754.6633"
+           y="-1978.2242"
+           style="font-style:normal;font-variant:normal;font-weight:500;font-stretch:normal;font-size:18.6667px;font-family:Montserrat;-inkscape-font-specification:'Montserrat Medium';text-align:start;text-anchor:start;stroke-width:1.7;stroke-dasharray:none">Cryptographic signature</tspan></text></g></g></svg>
diff --git a/book/source/diag/signature_packet.png b/book/source/diag/signature_packet.png
deleted file mode 100644
index 1d557f7..0000000
Binary files a/book/source/diag/signature_packet.png and /dev/null differ