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util: Add AES ShiftRows and InvShiftRows Tables

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This patch adds tables that implement the Advanced Encryption Standard (AES) ShiftRows
and InvShiftRows transformations.  These are commonly used in instruction models.

Signed-off-by: Tom Musta <tommusta@gmail.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Tom Musta 2014-03-13 09:13:26 -05:00 • committed by Alexander Graf
parent 40c84b54dd
commit 1c1a6d20e0
2 changed files with 12 additions and 0 deletions
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4
include/qemu/aes.h
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@ -26,6 +26,10 @@ void AES_cbc_encrypt(const unsigned char *in, unsigned char *out,
extern const uint8_t AES_sbox[256];
extern const uint8_t AES_isbox[256];
/* AES ShiftRows and InvShiftRows */
extern const uint8_t AES_shifts[16];
extern const uint8_t AES_ishifts[16];
/*
AES_Te0[x] = S [x].[02, 01, 01, 03];
AES_Te1[x] = S [x].[03, 02, 01, 01];