crypto: caam/qi2 - add fallback for XTS with more than 8B IV

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A hardware limitation exists for CAAM until Era 9 which restricts
the accelerator to IVs with only 8 bytes. When CAAM has a lower era
a fallback is necessary to process 16 bytes IV.

Fixes: 226853ac3e ("crypto: caam/qi2 - add skcipher algorithms")
Cc: <stable@vger.kernel.org> # v4.20+
Signed-off-by: Andrei Botila <andrei.botila@nxp.com>
Reviewed-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

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Andrei Botila 2020-09-22 19:03:21 +03:00 • committed by Herbert Xu

parent 83e8aa9121

commit 36e2d7cfdc

3 changed files with 78 additions and 5 deletions

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1

drivers/crypto/caam/Kconfig

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80

drivers/crypto/caam/caamalg_qi2.c

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2

drivers/crypto/caam/caamalg_qi2.h

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