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authorArd Biesheuvel <ard.biesheuvel@linaro.org>2016-10-11 19:15:18 +0100
committerHerbert Xu <herbert@gondor.apana.org.au>2016-10-21 11:03:45 +0800
commita2c435cc99862fd3d165e1b66bf48ac72c839c62 (patch)
tree5f9840591041b66c2b0ad91400b1f13345d86413 /arch/arm64/crypto/Kconfig
parentcrypto: arm64/aes-ccm-ce: fix for big endian (diff)
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crypto: arm64/aes-neon - fix for big endian
The AES implementation using pure NEON instructions relies on the generic AES key schedule generation routines, which store the round keys as arrays of 32-bit quantities stored in memory using native endianness. This means we should refer to these round keys using 4x4 loads rather than 16x1 loads. In addition, the ShiftRows tables are loading using a single scalar load, which is also affected by endianness, so emit these tables in the correct order depending on whether we are building for big endian or not. Fixes: 49788fe2a128 ("arm64/crypto: AES-ECB/CBC/CTR/XTS using ARMv8 NEON and Crypto Extensions") Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'arch/arm64/crypto/Kconfig')
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