From 28e91474ce558bca55c800e7977bab7c66a44abb Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Fri, 2 Jun 2023 15:40:04 -0700 Subject: crypto: Add aesdec_ISB_ISR_AK_IMC MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Add a primitive for InvSubBytes + InvShiftRows + AddRoundKey + InvMixColumns. Acked-by: Daniel P. Berrangé Reviewed-by: Philippe Mathieu-Daudé Signed-off-by: Richard Henderson --- include/crypto/aes-round.h | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) (limited to 'include/crypto') diff --git a/include/crypto/aes-round.h b/include/crypto/aes-round.h index 9996f1c219..854fb0966a 100644 --- a/include/crypto/aes-round.h +++ b/include/crypto/aes-round.h @@ -119,6 +119,27 @@ static inline void aesdec_ISB_ISR_AK(AESState *r, const AESState *st, } } +/* + * Perform InvSubBytes + InvShiftRows + AddRoundKey + InvMixColumns. + */ + +void aesdec_ISB_ISR_AK_IMC_gen(AESState *ret, const AESState *st, + const AESState *rk); +void aesdec_ISB_ISR_AK_IMC_genrev(AESState *ret, const AESState *st, + const AESState *rk); + +static inline void aesdec_ISB_ISR_AK_IMC(AESState *r, const AESState *st, + const AESState *rk, bool be) +{ + if (HAVE_AES_ACCEL) { + aesdec_ISB_ISR_AK_IMC_accel(r, st, rk, be); + } else if (HOST_BIG_ENDIAN == be) { + aesdec_ISB_ISR_AK_IMC_gen(r, st, rk); + } else { + aesdec_ISB_ISR_AK_IMC_genrev(r, st, rk); + } +} + /* * Perform InvSubBytes + InvShiftRows + InvMixColumns + AddRoundKey. */ -- cgit v1.2.3