diff --git a/book/source/10-encryption.md b/book/source/10-encryption.md
index 21456c7..87adc37 100644
--- a/book/source/10-encryption.md
+++ b/book/source/10-encryption.md
@@ -99,7 +99,7 @@ In both versions of SEIPD, the decryptor must have obtained a *session key* in a
 
 ### v1 SEIPD, based on MDC
 
-The [version 1 SEIPD](https://www.ietf.org/archive/id/draft-ietf-openpgp-crypto-refresh-12.html#version-one-seipd) mechanism is supported by all modern OpenPGP version 4 implementations. It was introduced in [RFC 4880](https://www.rfc-editor.org/rfc/rfc4880.html#section-5.13) as a replacement for the *SED* (Symmetricaly Encrypted Data) packet. SEIPDv1 provides integrity protection of the ciphertext using a SHA-1 checksum of the plaintext as modification detection code.
+The [version 1 SEIPD](https://www.ietf.org/archive/id/draft-ietf-openpgp-crypto-refresh-12.html#version-one-seipd) mechanism is supported by all modern OpenPGP version 4 implementations. It was introduced in [RFC 4880](https://www.rfc-editor.org/rfc/rfc4880.html#section-5.13) as a replacement for the *SED* (Symmetrically Encrypted Data) packet. SEIPDv1 provides integrity protection of the ciphertext using a SHA-1 checksum of the plaintext as modification detection code.
 
 Version 1 SEIPD can only be combined with [version 3 PKESK](https://www.ietf.org/archive/id/draft-ietf-openpgp-crypto-refresh-12.html#v3-pkesk) and/or [version 4 SKESK](https://www.ietf.org/archive/id/draft-ietf-openpgp-crypto-refresh-12.html#v4-skesk) packets.
 
diff --git a/book/source/11-decryption.md b/book/source/11-decryption.md
index 7eb7034..030c1f0 100644
--- a/book/source/11-decryption.md
+++ b/book/source/11-decryption.md
@@ -169,7 +169,7 @@ The result is split into the message key and first half of the IV.
 In a first step, a message-key and half of an IV is derived from the session-key.
 ```
 
-Then, the contens of the SEIPDs encrypted data are split into chunks, which are processed sequentially. Each chunk is decrypted using AEAD with parameters from the SEIPD packet as *additional data*.
+Then, the contents of the SEIPDs encrypted data are split into chunks, which are processed sequentially. Each chunk is decrypted using AEAD with parameters from the SEIPD packet as *additional data*.
 For each chunk, the chunk index starting at `0` is passed into the function as second half of the IV.
 
 All decrypted plaintext blocks are appended to form the result of the decryption process.
diff --git a/book/source/drawio/SKESKv6-decryption.drawio b/book/source/drawio/SKESKv6-decryption.drawio
index 5bdafa0..a9ec75b 100644
--- a/book/source/drawio/SKESKv6-decryption.drawio
+++ b/book/source/drawio/SKESKv6-decryption.drawio
@@ -122,7 +122,7 @@
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+        <mxCell id="h-jzOOFD72CvbkbpJgZJ-27" value="Packet Type and Version" style="text;html=1;strokeColor=none;fillColor=none;align=center;verticalAlign=middle;whiteSpace=wrap;rounded=0;" vertex="1" parent="1">
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@@ -154,7 +154,7 @@
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+        <mxCell id="h-jzOOFD72CvbkbpJgZJ-40" value="Packet Type and Version" style="text;html=1;strokeColor=none;fillColor=none;align=center;verticalAlign=middle;whiteSpace=wrap;rounded=0;" vertex="1" parent="1">
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diff --git a/book/source/drawio/SKESKv6-decryption.svg b/book/source/drawio/SKESKv6-decryption.svg
index 898a5fc..02e79a2 100644
--- a/book/source/drawio/SKESKv6-decryption.svg
+++ b/book/source/drawio/SKESKv6-decryption.svg
@@ -1,4 +1,4 @@
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align-items: unsafe center; justify-content: unsafe center; width: 98px; height: 1px; padding-top: 125px; margin-left: 471px;"><div style="box-sizing: border-box; font-size: 0px; text-align: center;" data-drawio-colors="color: rgb(0, 0, 0); "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;">AEAD Mode</div></div></div></foreignObject><text x="520" y="129" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">AEAD Mode</text></switch></g><rect x="470" y="150" width="100" height="30" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 98px; height: 1px; padding-top: 165px; margin-left: 471px;"><div style="box-sizing: border-box; font-size: 0px; text-align: center;" data-drawio-colors="color: rgb(0, 0, 0); "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;">S2K Identifier</div></div></div></foreignObject><text x="520" y="169" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">S2K Identifier</text></switch></g><rect x="470" y="190" width="100" height="30" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; 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align-items: unsafe center; justify-content: unsafe center; width: 98px; height: 1px; padding-top: 245px; margin-left: 471px;"><div style="box-sizing: border-box; font-size: 0px; text-align: center;" data-drawio-colors="color: rgb(0, 0, 0); "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;">Enc. Session-Key</div></div></div></foreignObject><text x="520" y="249" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">Enc. Session-Key</text></switch></g><rect x="470" y="270" width="100" height="30" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 98px; height: 1px; padding-top: 285px; margin-left: 471px;"><div style="box-sizing: border-box; font-size: 0px; text-align: center;" data-drawio-colors="color: rgb(0, 0, 0); "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;">AEAD Auth Tag</div></div></div></foreignObject><text x="520" y="289" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">AEAD Auth Tag</text></switch></g><path d="M 160 125 L 220 165 L 160 205 L 100 165 Z" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 118px; height: 1px; padding-top: 165px; margin-left: 101px;"><div style="box-sizing: border-box; font-size: 0px; text-align: center;" data-drawio-colors="color: rgb(0, 0, 0); "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;">S2K Function</div></div></div></foreignObject><text x="160" y="169" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">S2K Function</text></switch></g><path d="M 120 40 Q 140 40 150 55 Q 160 70 160 118.63" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 160 123.88 L 156.5 116.88 L 160 118.63 L 163.5 116.88 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/><path d="M 160 305 L 160 373.63" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 160 378.88 L 156.5 371.88 L 160 373.63 L 163.5 371.88 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/><path d="M 160 225 L 220 265 L 160 305 L 100 265 Z" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 118px; height: 1px; padding-top: 265px; margin-left: 101px;"><div style="box-sizing: border-box; font-size: 0px; text-align: center;" data-drawio-colors="color: rgb(0, 0, 0); "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;"><div>HKDF</div>(no salt)</div></div></div></foreignObject><text x="160" y="269" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">HKDF(no salt)</text></switch></g><path d="M 160 205 L 160 218.63" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 160 223.88 L 156.5 216.88 L 160 218.63 L 163.5 216.88 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/><rect x="110" y="200" width="60" height="30" fill="none" stroke="none" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; 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text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 118px; height: 1px; padding-top: 265px; margin-left: 271px;"><div style="box-sizing: border-box; font-size: 0px; text-align: center;" data-drawio-colors="color: rgb(0, 0, 0); "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;"><div>Packet Type ID,</div><div>Packet Version,</div><div>Cipher Algo,</div><div>AEAD Mode<br /></div></div></div></div></foreignObject><text x="330" y="269" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">Packet Type ID,...</text></switch></g><path d="M 469.5 160 L 469.5 170 L 233.5 170 L 233.5 180.5 L 220.5 165 L 233.5 149.5 L 233.5 160 Z" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/><path d="M 470 125 L 360 125 L 360 223.63" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 360 228.88 L 356.5 221.88 L 360 223.63 L 363.5 221.88 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/><path d="M 470 85 L 330 85 L 330 223.63" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 330 228.88 L 326.5 221.88 L 330 223.63 L 333.5 221.88 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/><path d="M 460 40 L 460 60 L 300 60 L 300 223.63" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 300 228.88 L 296.5 221.88 L 300 223.63 L 303.5 221.88 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/><rect x="300" y="40" width="140" height="30" fill="none" stroke="none" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 138px; height: 1px; padding-top: 55px; margin-left: 301px;"><div style="box-sizing: border-box; font-size: 0px; text-align: center;" data-drawio-colors="color: rgb(0, 0, 0); "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;">Packet Type and Verison</div></div></div></foreignObject><text x="370" y="59" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">Packet Type and Verison</text></switch></g><path d="M 160 410 L 160 503.63" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 160 508.88 L 156.5 501.88 L 160 503.63 L 163.5 501.88 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/><rect x="100" y="380" width="120" height="30" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 118px; height: 1px; padding-top: 395px; margin-left: 101px;"><div style="box-sizing: border-box; font-size: 0px; text-align: center;" data-drawio-colors="color: rgb(0, 0, 0); "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;">Key Encryption Key</div></div></div></foreignObject><text x="160" y="399" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">Key Encryption Key</text></switch></g><rect x="210" y="230" width="60" height="30" fill="none" stroke="none" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; 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text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 118px; height: 1px; padding-top: 550px; margin-left: 101px;"><div style="box-sizing: border-box; font-size: 0px; text-align: center;" data-drawio-colors="color: rgb(0, 0, 0); "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;">AEAD</div></div></div></foreignObject><text x="160" y="554" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">AEAD</text></switch></g><path d="M 269.5 545 L 269.5 555 L 239.5 555 L 239.5 565.5 L 220.5 550 L 239.5 534.5 L 239.5 545 Z" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/><rect x="270" y="515" width="120" height="70" rx="10.5" ry="10.5" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 118px; height: 1px; padding-top: 550px; margin-left: 271px;"><div style="box-sizing: border-box; font-size: 0px; text-align: center;" data-drawio-colors="color: rgb(0, 0, 0); "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;"><div>Packet Type ID,</div><div>Packet Version,</div><div>Cipher Algo,</div><div>AEAD Mode<br /></div></div></div></div></foreignObject><text x="330" y="554" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">Packet Type ID,...</text></switch></g><path d="M 460 340 L 460 360 L 300 360 L 300 508.63" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 300 513.88 L 296.5 506.88 L 300 508.63 L 303.5 506.88 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/><rect x="300" y="340" width="140" height="30" fill="none" stroke="none" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 138px; height: 1px; padding-top: 355px; margin-left: 301px;"><div style="box-sizing: border-box; font-size: 0px; text-align: center;" data-drawio-colors="color: rgb(0, 0, 0); "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;">Packet Type and Verison</div></div></div></foreignObject><text x="370" y="359" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">Packet Type and Verison</text></switch></g><path d="M 470 385 L 330 385 L 330 508.63" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 330 513.88 L 326.5 506.88 L 330 508.63 L 333.5 506.88 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/><path d="M 470 425 L 360 425 L 360 508.63" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 360 513.88 L 356.5 506.88 L 360 508.63 L 363.5 506.88 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/><path d="M 469.5 500 L 469.5 510 L 425 510 L 425 605 L 185 605 L 185 589.5 L 174.5 589.5 L 190 570.5 L 205.5 589.5 L 195 589.5 L 195 595 L 415 595 L 415 500 Z" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="1.42" pointer-events="all"/><path d="M 185 589.5 L 174.5 589.5 L 190 570.5 L 205.5 589.5 L 195 589.5" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="4" pointer-events="all"/><rect x="190" y="574.5" width="60" height="30" fill="none" stroke="none" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; 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align-items: unsafe center; justify-content: unsafe center; width: 98px; height: 1px; padding-top: 85px; margin-left: 471px;"><div style="box-sizing: border-box; font-size: 0px; text-align: center;" data-drawio-colors="color: rgb(0, 0, 0); "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;">Cipher Algo.</div></div></div></foreignObject><text x="520" y="89" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">Cipher Algo.</text></switch></g><rect x="470" y="110" width="100" height="30" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 98px; height: 1px; padding-top: 125px; margin-left: 471px;"><div style="box-sizing: border-box; font-size: 0px; text-align: center;" data-drawio-colors="color: rgb(0, 0, 0); "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;">AEAD Mode</div></div></div></foreignObject><text x="520" y="129" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">AEAD Mode</text></switch></g><rect x="470" y="150" width="100" height="30" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 98px; height: 1px; padding-top: 165px; margin-left: 471px;"><div style="box-sizing: border-box; font-size: 0px; text-align: center;" data-drawio-colors="color: rgb(0, 0, 0); "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;">S2K Identifier</div></div></div></foreignObject><text x="520" y="169" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">S2K Identifier</text></switch></g><rect x="470" y="190" width="100" height="30" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; 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align-items: unsafe center; justify-content: unsafe center; width: 98px; height: 1px; padding-top: 245px; margin-left: 471px;"><div style="box-sizing: border-box; font-size: 0px; text-align: center;" data-drawio-colors="color: rgb(0, 0, 0); "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;">Enc. Session-Key</div></div></div></foreignObject><text x="520" y="249" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">Enc. 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text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 118px; height: 1px; padding-top: 165px; margin-left: 101px;"><div style="box-sizing: border-box; font-size: 0px; text-align: center;" data-drawio-colors="color: rgb(0, 0, 0); "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;">S2K Function</div></div></div></foreignObject><text x="160" y="169" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">S2K Function</text></switch></g><path d="M 120 40 Q 140 40 150 55 Q 160 70 160 118.63" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 160 123.88 L 156.5 116.88 L 160 118.63 L 163.5 116.88 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/><path d="M 160 305 L 160 373.63" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 160 378.88 L 156.5 371.88 L 160 373.63 L 163.5 371.88 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/><path d="M 160 225 L 220 265 L 160 305 L 100 265 Z" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 118px; height: 1px; padding-top: 265px; margin-left: 101px;"><div style="box-sizing: border-box; font-size: 0px; text-align: center;" data-drawio-colors="color: rgb(0, 0, 0); "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;"><div>HKDF</div>(no salt)</div></div></div></foreignObject><text x="160" y="269" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">HKDF(no salt)</text></switch></g><path d="M 160 205 L 160 218.63" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 160 223.88 L 156.5 216.88 L 160 218.63 L 163.5 216.88 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/><rect x="110" y="200" width="60" height="30" fill="none" stroke="none" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 58px; height: 1px; padding-top: 215px; margin-left: 111px;"><div style="box-sizing: border-box; font-size: 0px; text-align: center;" data-drawio-colors="color: rgb(0, 0, 0); "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;">IKM</div></div></div></foreignObject><text x="140" y="219" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">IKM</text></switch></g><path d="M 269.5 260 L 269.5 270 L 239.5 270 L 239.5 280.5 L 220.5 265 L 239.5 249.5 L 239.5 260 Z" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/><rect x="270" y="230" width="120" height="70" rx="10.5" ry="10.5" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 118px; height: 1px; padding-top: 265px; margin-left: 271px;"><div style="box-sizing: border-box; font-size: 0px; text-align: center;" data-drawio-colors="color: rgb(0, 0, 0); "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;"><div>Packet Type ID,</div><div>Packet Version,</div><div>Cipher Algo,</div><div>AEAD Mode<br /></div></div></div></div></foreignObject><text x="330" y="269" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">Packet Type ID,...</text></switch></g><path d="M 469.5 160 L 469.5 170 L 233.5 170 L 233.5 180.5 L 220.5 165 L 233.5 149.5 L 233.5 160 Z" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/><path d="M 470 125 L 360 125 L 360 223.63" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 360 228.88 L 356.5 221.88 L 360 223.63 L 363.5 221.88 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/><path d="M 470 85 L 330 85 L 330 223.63" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 330 228.88 L 326.5 221.88 L 330 223.63 L 333.5 221.88 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/><path d="M 460 40 L 460 60 L 300 60 L 300 223.63" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 300 228.88 L 296.5 221.88 L 300 223.63 L 303.5 221.88 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/><rect x="300" y="40" width="140" height="30" fill="none" stroke="none" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 138px; height: 1px; padding-top: 55px; margin-left: 301px;"><div style="box-sizing: border-box; font-size: 0px; text-align: center;" data-drawio-colors="color: rgb(0, 0, 0); "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;">Packet Type and Version</div></div></div></foreignObject><text x="370" y="59" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">Packet Type and Version</text></switch></g><path d="M 160 410 L 160 503.63" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 160 508.88 L 156.5 501.88 L 160 503.63 L 163.5 501.88 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/><rect x="100" y="380" width="120" height="30" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 118px; height: 1px; padding-top: 395px; margin-left: 101px;"><div style="box-sizing: border-box; font-size: 0px; text-align: center;" data-drawio-colors="color: rgb(0, 0, 0); "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;">Key Encryption Key</div></div></div></foreignObject><text x="160" y="399" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">Key Encryption Key</text></switch></g><rect x="210" y="230" width="60" height="30" fill="none" stroke="none" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; 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text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 118px; height: 1px; padding-top: 550px; margin-left: 101px;"><div style="box-sizing: border-box; font-size: 0px; text-align: center;" data-drawio-colors="color: rgb(0, 0, 0); "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;">AEAD</div></div></div></foreignObject><text x="160" y="554" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">AEAD</text></switch></g><path d="M 269.5 545 L 269.5 555 L 239.5 555 L 239.5 565.5 L 220.5 550 L 239.5 534.5 L 239.5 545 Z" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/><rect x="270" y="515" width="120" height="70" rx="10.5" ry="10.5" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 118px; height: 1px; padding-top: 550px; margin-left: 271px;"><div style="box-sizing: border-box; font-size: 0px; text-align: center;" data-drawio-colors="color: rgb(0, 0, 0); "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;"><div>Packet Type ID,</div><div>Packet Version,</div><div>Cipher Algo,</div><div>AEAD Mode<br /></div></div></div></div></foreignObject><text x="330" y="554" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">Packet Type ID,...</text></switch></g><path d="M 460 340 L 460 360 L 300 360 L 300 508.63" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 300 513.88 L 296.5 506.88 L 300 508.63 L 303.5 506.88 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/><rect x="300" y="340" width="140" height="30" fill="none" stroke="none" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; 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