vanitasvitae/openpgp-notes
1
0
Fork 0
mirror of https://codeberg.org/openpgp/notes.git synced 2025-09-10 11:49:40 +02:00
Code Issues Projects Releases Packages Wiki Activity

Add diagram for SEIPDv1

Browse source
This commit is contained in:
Paul Schaub 2023-11-27 23:22:52 +01:00
parent 151d4b727d
commit e1dea02e5e
Signed by: vanitasvitae
GPG key ID: 62BEE9264BF17311
3 changed files with 77 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

7
book/source/10-encryption.md
View file

@ -84,6 +84,13 @@ Version 1 SEIPD can only be combined with either [version 3 PKESK](https://www.i
When communicating with a mix of recipients, some of whose OpenPGP software only supports OpenPGP version 4, then this mechanism must be used.
```{figure} drawio/SEIPDv1-PKESK.png
:name: fig-encryption-seipdv1-pkesk
:alt: Depicts a dotted hexagon labeled "Plaintext", from which a curved arrow passes another dotted hexagon "Session Key" and finally points to a "SEIPDv1" packet. Two more curved arrows originate from the session key and pass Alice' and Bob's encryption key, ending in two PKESK packets.
With SEIPDv1, the session-key is directly used as message-key to encrypt the payload
```
## Handling encrypted session keys: PKESK, SKESK
"*ESK" is a family of mechanisms for dealing with symmetric key material. It has two branches: