diff options
| author | Richard Henderson <richard.henderson@linaro.org> | 2023-06-02 02:01:23 -0700 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2023-07-08 07:30:17 +0100 |
| commit | 5b41deb3108c48143d6697cd2dcde3f0b9a57c80 (patch) | |
| tree | d408d36c44a2a234abbbcae66532711f2318bd54 /include/crypto | |
| parent | 04e1f30eedfe581c0c3b6bc6b6f5f76c65dc2c71 (diff) | |
crypto: Add aesdec_IMC
Add a primitive for InvMixColumns.
Acked-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'include/crypto')
| -rw-r--r-- | include/crypto/aes-round.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/include/crypto/aes-round.h b/include/crypto/aes-round.h index 7d2be40a67..7be2cc0d8e 100644 --- a/include/crypto/aes-round.h +++ b/include/crypto/aes-round.h @@ -60,6 +60,24 @@ static inline void aesenc_SB_SR_AK(AESState *r, const AESState *st, } /* + * Perform InvMixColumns. + */ + +void aesdec_IMC_gen(AESState *ret, const AESState *st); +void aesdec_IMC_genrev(AESState *ret, const AESState *st); + +static inline void aesdec_IMC(AESState *r, const AESState *st, bool be) +{ + if (HAVE_AES_ACCEL) { + aesdec_IMC_accel(r, st, be); + } else if (HOST_BIG_ENDIAN == be) { + aesdec_IMC_gen(r, st); + } else { + aesdec_IMC_genrev(r, st); + } +} + +/* * Perform InvSubBytes + InvShiftRows + AddRoundKey. */ |