crypto: Add aesdec_ISB_ISR_AK_IMC

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>

1 files changed, 14 insertions, 0 deletions

diff --git a/crypto/aes.c b/crypto/aes.c
index c2546ef12e..c765f11c1e 100644
--- a/crypto/aes.c
+++ b/crypto/aes.c
@@ -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.
  */