crypto: qat - update IV in software

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Do IV update calculations in software for AES-CBC and AES-CTR.

This allows to embed the IV on the request descriptor and removes the
allocation of the IV buffer in the data path.

In addition, this change allows the support of QAT devices that are not
capable of updating the IV buffer when performing an AES-CBC or AES-CTR
operation.

Signed-off-by: Marco Chiappero <marco.chiappero@intel.com>
Co-developed-by: Mateusz Polrola <mateuszx.potrola@intel.com>
Signed-off-by: Mateusz Polrola <mateuszx.potrola@intel.com>
Co-developed-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Tested-by: Indrasena Reddy Gali <indrasena.reddygali@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

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This commit is contained in:

Marco Chiappero 2020-10-12 21:38:17 +01:00 • committed by Herbert Xu

parent c98e233062

commit e4e37acc3b

2 changed files with 89 additions and 58 deletions

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136

drivers/crypto/qat/qat_common/qat_algs.c

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11

drivers/crypto/qat/qat_common/qat_crypto.h

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