crypto: arm64/aes-cts-cbc - factor out CBC en/decryption of a walk

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The plain CBC driver and the CTS one share some code that iterates over
a scatterwalk and invokes the CBC asm code to do the processing. The
upcoming ESSIV/CBC mode will clone that pattern for the third time, so
let's factor it out first.

Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

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Ard Biesheuvel 2019-08-19 17:17:35 +03:00 • committed by Herbert Xu

parent f975abb23c

commit 65d0042b52

1 changed files with 40 additions and 42 deletions

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arch/arm64/crypto/aes-glue.c

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