>2) The cost in question is so small as to be unmeasurable. > > > Yes, because key management is easy or free.
Also, reliability of encrypted backups is problematic: CBC modes render a single fault destructive to the entire dataset. Counter mode is sufficiently new that it's not supported by existing code. --Dan --------------------------------------------------------------------- The Cryptography Mailing List Unsubscribe by sending "unsubscribe cryptography" to [EMAIL PROTECTED]
