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Add TODO about session-key reuse in SEIPDv2

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Paul Schaub 2023-11-28 23:26:37 +01:00
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book/source/10-encryption.md
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@ -129,6 +129,14 @@ The session-key can use a different symmetric algorithm than the message-key.
With SEIPDv2, the message-key is derived from the session-key in an extra step. With SEIPDv2, the message-key is derived from the session-key in an extra step.
``` ```
```{admonition} TODO
:class: warning
Explain, that with SEIPDv2, a session-key can essentially protect more than one message by reusing the same session-key and *ESK packets with a fresh, per-message salt.
This might very well go into the advanced topics section though.
```
## Advanced topics ## Advanced topics
### Encrypt to multiple/single subkey per certificate? ### Encrypt to multiple/single subkey per certificate?