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crypto: Add aesdec_ISB_ISR_IMC_AK

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Add a primitive for InvSubBytes + InvShiftRows +
InvMixColumns + AddRoundKey.

Acked-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2023-06-02 15:23:18 -07:00
parent 7c58cb972e
commit 15ff15982a
3 changed files with 82 additions and 0 deletions
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21
include/crypto/aes-round.h
View file

@ -119,4 +119,25 @@ static inline void aesdec_ISB_ISR_AK(AESState *r, const AESState *st,
}
}
/*
* Perform InvSubBytes + InvShiftRows + InvMixColumns + AddRoundKey.
*/
void aesdec_ISB_ISR_IMC_AK_gen(AESState *ret, const AESState *st,
const AESState *rk);
void aesdec_ISB_ISR_IMC_AK_genrev(AESState *ret, const AESState *st,
const AESState *rk);
static inline void aesdec_ISB_ISR_IMC_AK(AESState *r, const AESState *st,
const AESState *rk, bool be)
{
if (HAVE_AES_ACCEL) {
aesdec_ISB_ISR_IMC_AK_accel(r, st, rk, be);
} else if (HOST_BIG_ENDIAN == be) {
aesdec_ISB_ISR_IMC_AK_gen(r, st, rk);
} else {
aesdec_ISB_ISR_IMC_AK_genrev(r, st, rk);
}
}
#endif /* CRYPTO_AES_ROUND_H */