On Thu, Apr 09, 2009 at 11:20:45AM +0800, Herbert Xu wrote:
> 
> You can allocate eseqiv(alg), e.g., eseqiv(cbc(aes)).
> 

Ok, that's possible. I missed this possibility, probaply because nobody
is actually doing it this way. Thanks!

Unfortunately eseqiv does not work out of the box if we do synchronous
encryption. 

If crypto_ablkcipher_encrypt() returns synchronous, eseqiv_complete2()
is called even if req->giv is already the pointer to the generated IV.
The generated IV is overwritten with some random data in this case.

I fixed this by calling eseqiv_complete2() just in the case when an
asynchronous algorithm would call eseqiv_complete() as the complete
function. I'll send the patch with an extra mail.

Now pcrypt runs fine together with eseqiv and the throughput
results are very similar to the ones with cpu_chainiv.

Steffen
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