* Loc Ho | 2008-01-17 13:25:38 [-0800]:

>>Questions:
>>2. What is the difference between digest and hash type besides one 
>>operation on transformation structure (tfm) and the other on descriptor
>(desc)?
>They are used for different things.
>Digest is something like sha1 or md5. You just feed your algoritm with
>data and get a single result. A hash on the other hand has a key which
>is used as a salt, a random initialization string. 
>
>[LH]
>Are you referring hash as HMAC mode of MD5/SHA? For normal MD5, use
>digest algorthm. For HMAC mode of MD5, use HASH. Is this correct?
Yes. You request them as hmac(sha1) resp. hmac(md5).

>>3. Currently, cryptodev-2.6 git doesn't work under PPC4xx development 
>>board but Denx linux latest works. Have anyone tested on PPC4xx board?
>
>Please define doesn't work.
>
>[LH]
>When I compile and load Denx Linux for my sequoia board, the Kernel
>comes up and I get  kernel message. When I compile and load
>cryptodev-2.6.git HEAD with the same config from Denx branch, nothing.
>It seems like cryptodev-2.6 doesn't support the sequoia board. What I
>have to do is patch only crypto file into Denx linux and that seems to
>work for me.
cryptodev-2.6 is almost v2.6.24-rc8 tree + cryptodev patches. If you can
boot v2.6.24-rc8 than you should have no problems with cryptodev. I
don't know the diff between denx-linux & linus-linux.

>Thanks,
>Loc

Sebastian
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