I think the issue about signature contexts first, and mainly, came up with TLS which generates a variety of private key material based on shared secret info, and the concern that those different keys could be used for cross-protocol attacks.
But I could be wrong. :) -- Senior Architect, Akamai Technologies Member, OpenSSL Dev Team IM: richs...@jabber.at Twitter: RichSalz _______________________________________________ DNSOP mailing list DNSOP@ietf.org https://www.ietf.org/mailman/listinfo/dnsop