Re: Maybe we only need PCBC...

From: Christophe (nospam_at_thanks.org)
Date: 06/29/03


Date: Sun, 29 Jun 2003 21:01:06 +0000 (UTC)

jsavard@ecn.ab.ca () <jsavard@ecn.ab.ca> wrote:

> But since the only defect in PCBC is the ability to make *uncontrolled
> garbles*, it follows that if one adds a CRC checksum to PCBC, the result
> is, as far as is currently known, secure. Thus, the extra elaboration of
> my PCBC-CTR-CBC mode is not required.

This may sound like a naive question, but what's the advantage over, say,
CBC + HMAC ? Which works perfectly fine.