[PATCH] crypto: talitos - fix skcipher failure due to wrong output IV

[Christophe Leroy]

Le 15/05/2019 à 16:05, Horia Geanta a écrit :
> On 5/15/2019 3:29 PM, Christophe Leroy wrote:
>> Selftests report the following:
>>
>> [    2.984845] alg: skcipher: cbc-aes-talitos encryption test failed (wrong output IV) on test vector 0, cfg="in-place"
>> [    2.995377] 00000000: 3d af ba 42 9d 9e b4 30 b4 22 da 80 2c 9f ac 41
>> [    3.032673] alg: skcipher: cbc-des-talitos encryption test failed (wrong output IV) on test vector 0, cfg="in-place"
>> [    3.043185] 00000000: fe dc ba 98 76 54 32 10
>> [    3.063238] alg: skcipher: cbc-3des-talitos encryption test failed (wrong output IV) on test vector 0, cfg="in-place"
>> [    3.073818] 00000000: 7d 33 88 93 0f 93 b2 42
>>
>> This above dumps show that the actual output IV is indeed the input IV.
>> This is due to the IV not being copied back into the request.
>>
>> This patch fixes that.
>>
>> Signed-off-by: Christophe Leroy <christophe.leroy at c-s.fr>
> Reviewed-by: Horia Geantă <horia.geanta at nxp.com>

It's missing a Fixes: tag and a Cc: to stable.

I'll resend tomorrow.

> 
> While here, could you please check ecb mode (which by definition does not have
> an IV) is behaving correctly?
> Looking in driver_algs[] list of crypto algorithms supported by talitos,
> ecb(aes,des,3des) are declared with ivsize != 0.

According to /proc/crypto, test are passed for ecb.

Christophe

> 
> Thanks,
> Horia
>