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crypto: Remove AES_shifts, AES_ishifts 

These arrays are no longer used, replaced by AES_SH_*, AES_ISH_*.

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>
master
Richard Henderson 2023-06-03 01:14:22 +00:00
parent 4ad6f9bfa0
commit 66d940e9e7
2 changed files with 0 additions and 18 deletions
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14
crypto/aes.c
View File

@ -114,23 +114,9 @@ const uint8_t AES_isbox[256] = {
/* AES ShiftRows, for complete unrolling. */
#define AES_SH(X) (((X) * 5) & 15)
const uint8_t AES_shifts[16] = {
AES_SH(0x0), AES_SH(0x1), AES_SH(0x2), AES_SH(0x3),
AES_SH(0x4), AES_SH(0x5), AES_SH(0x6), AES_SH(0x7),
AES_SH(0x8), AES_SH(0x9), AES_SH(0xA), AES_SH(0xB),
AES_SH(0xC), AES_SH(0xD), AES_SH(0xE), AES_SH(0xF),
};
/* AES InvShiftRows, for complete unrolling. */
#define AES_ISH(X) (((X) * 13) & 15)
const uint8_t AES_ishifts[16] = {
AES_ISH(0x0), AES_ISH(0x1), AES_ISH(0x2), AES_ISH(0x3),
AES_ISH(0x4), AES_ISH(0x5), AES_ISH(0x6), AES_ISH(0x7),
AES_ISH(0x8), AES_ISH(0x9), AES_ISH(0xA), AES_ISH(0xB),
AES_ISH(0xC), AES_ISH(0xD), AES_ISH(0xE), AES_ISH(0xF),
};
/*
* MixColumns lookup table, for use with rot32.
*/

4
include/crypto/aes.h
View File

@ -30,10 +30,6 @@ void AES_decrypt(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 MixColumns, for use with rot32. */
extern const uint32_t AES_mc_rot[256];