Re: [PATCH/proposal] dm-crypt: add digest-based iv generation mode

[Jean-Luc Cooke]

Alright then.

http://jlcooke.ca/lkml/crypto_24feb2004.patch

Changes:
 - Added CTR mode to cipher.c
 - Fixed Bug where CTR wasn't getting allocated an IV
 - Added config for OMAC option on encryption
 - Moved scatterwalk stuff to scatterwalk.c added to makefile
 - Removed kmalloc'd scratch space in hmac.c which caused a reported bug.
 - kernel config defaults to build all the IPSec required algorithms as
   well as OMAC (OMAC is only computed if specified by caller)

JLC

On Wed, Feb 25, 2004 at 08:52:36AM -0500, James Morris wrote:
> I think the latter is preferrable.  OMAC should probably be a config 
> option as well.
...
> You could add something like crypto_cipher_omac_final(), to be used by the 
> calling code once it needs the OMAC value, which then calls 
> crypto_cipher_get_omac().

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