Thor Lancelot Simon <[EMAIL PROTECTED]> writes: > I think there's a misunderstanding here. Why do you think secrecy > (unpredictability?) is an important property of an IV for a block > cipher used in CBC mode? It's not an encryption key, it's an IV.
Indeed. The IV can (subject to some constraints) be anything you like. Not having it public at very, very best denies one block from the ciphertext to the attacker -- ultimately not very useful in this application to prevent cracking given the low unicity distance. -- Perry E. Metzger [EMAIL PROTECTED] _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-hackers To unsubscribe, send any mail to "[EMAIL PROTECTED]"
