On Wed, Aug 15, 2012 at 11:44:19PM -0700, Tommy C. Li wrote: > Hi, > > I wasn't able to find the referenced > > otrl_message_symkey > > function in the C library either. Has it been removed since 2008?
Look in version 4 of libotr; that's where it is. > Is there any difference in the "extra" symmetric key compared to just > generating 256 random bits and sending it to the counterparty inside a TLV? Yes. In the "extra" symkey model, the value is derived from the current DH parameters. That way, both sides are assured it's fresh. - Ian _______________________________________________ OTR-dev mailing list [email protected] http://lists.cypherpunks.ca/mailman/listinfo/otr-dev
