Re: [PATCH] crypto: caam - Remove broken arc4 support

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On 7/2/2020 7:36 AM, Herbert Xu wrote:
> The arc4 algorithm requires storing state in the request context
> in order to allow more than one encrypt/decrypt operation.  As this
> driver does not seem to do that, it means that using it for more
> than one operation is broken.
> 
> Fixes: eaed71a44ad9 ("crypto: caam - add ecb(*) support")
> Signed-off-by: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Given the circumstances, it's not feasible to fix arc4 in caam.

Link: https://lore.kernel.org/linux-crypto/CAMj1kXGvMe_A_iQ43Pmygg9xaAM-RLy=_M=v+eg--8xNmv9P+w@xxxxxxxxxxxxxx
Link: https://lore.kernel.org/linux-crypto/20200702101947.682-1-ardb@xxxxxxxxxx
Acked-by: Horia Geantă <horia.geanta@xxxxxxx>

Horia



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