On Sun, 24 Sep 2006 17:08, Alphax said: > 18 - Reserved for Elliptic Curve > 19 - Reserved for ECDSA > 21 - Reserved for Diffie-Hellman (X9.42, > as defined for IETF-S/MIME) Reserved does not mean it is in the standard. It is merely an internal remark that we once considered to use this number for the algorithm. Shalom-Salam, Werner