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Update alginfo struct to keep both virtual and dma key addresses,
so that descriptors have them at hand.
One example where this is needed is in the xcbc(aes) shared descriptors,
which are updated in current patch.
Another example is the upcoming fix for DKP.
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Reviewed-by: Iuliana Prodan <iuliana.prodan@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Add cmac(aes) keyed hash offloading support.
Similar to xcbc implementation, driver must make sure there are still
some bytes buffered when ahash_final() is called. This way HW is able to
decide whether padding is needed and which key to derive (L -> K1 / K2)
for the last block.
Signed-off-by: Iuliana Prodan <iuliana.prodan@nxp.com>
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Add xcbc(aes) offloading support.
Due to xcbc algorithm design and HW implementation in CAAM,
driver must still have some bytes to send to the crypto engine when
ahash_final() is called - such that HW correctly uses either K2 or K3
for the last block.
Signed-off-by: Iuliana Prodan <iuliana.prodan@nxp.com>
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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caam/qi2 driver will support ahash algorithms,
thus move ahash descriptors generation in a shared location.
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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