linux-kernel - Re: [PATCH] cit_encrypt_iv/cit_decrypt

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Message-ID: <20060822062853.GA1673@openwall.com>
Date:	Tue, 22 Aug 2006 10:28:53 +0400
From:	Solar Designer <solar@...nwall.com>
To:	Willy Tarreau <w@....eu>
Cc:	Herbert Xu <herbert@...dor.apana.org.au>,
	linux-kernel@...r.kernel.org, linux-crypto@...r.kernel.org
Subject: Re: [PATCH] cit_encrypt_iv/cit_decrypt_iv for ECB mode

On Mon, Aug 21, 2006 at 08:58:30AM +1000, Herbert Xu wrote:
> On Sun, Aug 20, 2006 at 06:49:08PM +0400, Solar Designer wrote:
> > 
> > Can we maybe define working but IV-ignoring functions for ECB (like I
> > did), but use memory-clearing nocrypt*() for CFB and CTR (as long as
> > these are not supported)?  Of course, all of these will return -ENOSYS.
> 
> In cryptodev-2.6, with block ciphers you can no longer select CFB/CTR
> until someone writes support for them so this is no longer an issue.
> 
> For 2.4, I don't really mind either way what nocrypt does.

OK, I've merged Willy's suggestion for the memset()s into the patch that
I had submitted previously.  The resulting patch is attached.

Alexander

View attachment "linux-2.4.33-nocrypt.diff" of type "text/plain" (2509 bytes)