[OTR-dev] Symmetric key retrieval

[Paul Wouters]

On Wed, 2 Jul 2008, Ian Goldberg wrote:

> For Paul :-)

> I've checked in support for applications asking libotr for a
> forward-secret symmetric key.

Excellent! This is a step towards using session keys to protect file transfers
and video/audio conferencing!

> [OTRL_EXTRAKEY_BYTES is currently 32, so you get 256 bits out of it.]
>
> Paul, is that what you were looking for?

Yes, though I am not sure if 256bits is strong enough for a session key.
Is that the strength within our OTR session anyway? When used for 3des,
aes or blowfish symmetric crypto?

Paul