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crypto: Add aesdec_ISB_ISR_AK_IMC

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

Acked-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2023-06-02 15:40:04 -07:00
parent 15ff15982a
commit 28e91474ce
3 changed files with 38 additions and 0 deletions
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14
crypto/aes.c
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@ -1542,6 +1542,20 @@ void aesdec_ISB_ISR_IMC_AK_genrev(AESState *r, const AESState *st,
aesdec_ISB_ISR_IMC_AK_swap(r, st, rk, true);
}
void aesdec_ISB_ISR_AK_IMC_gen(AESState *ret, const AESState *st,
const AESState *rk)
{
aesdec_ISB_ISR_AK_gen(ret, st, rk);
aesdec_IMC_gen(ret, ret);
}
void aesdec_ISB_ISR_AK_IMC_genrev(AESState *ret, const AESState *st,
const AESState *rk)
{
aesdec_ISB_ISR_AK_genrev(ret, st, rk);
aesdec_IMC_genrev(ret, ret);
}
/**
* Expand the cipher key into the encryption key schedule.
*/