diff options
Diffstat (limited to 'thirdparty/mbedtls/library/aes.c')
| -rw-r--r-- | thirdparty/mbedtls/library/aes.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/thirdparty/mbedtls/library/aes.c b/thirdparty/mbedtls/library/aes.c index f08a21f595..c506709500 100644 --- a/thirdparty/mbedtls/library/aes.c +++ b/thirdparty/mbedtls/library/aes.c @@ -58,6 +58,8 @@ static int aes_padlock_ace = -1; /* * Forward S-box */ +#if !defined(MBEDTLS_AES_ENCRYPT_ALT) || !defined(MBEDTLS_AES_SETKEY_ENC_ALT) || \ + !defined(MBEDTLS_AES_SETKEY_DEC_ALT) static const unsigned char FSb[256] = { 0x63, 0x7C, 0x77, 0x7B, 0xF2, 0x6B, 0x6F, 0xC5, @@ -93,6 +95,8 @@ static const unsigned char FSb[256] = 0x8C, 0xA1, 0x89, 0x0D, 0xBF, 0xE6, 0x42, 0x68, 0x41, 0x99, 0x2D, 0x0F, 0xB0, 0x54, 0xBB, 0x16 }; +#endif /* !defined(MBEDTLS_AES_ENCRYPT_ALT) || !defined(MBEDTLS_AES_SETKEY_ENC_ALT) || \ + !defined(MBEDTLS_AES_SETKEY_DEC_ALT) */ /* * Forward tables @@ -164,6 +168,7 @@ static const unsigned char FSb[256] = V(C3, 41, 41, 82), V(B0, 99, 99, 29), V(77, 2D, 2D, 5A), V(11, 0F, 0F, 1E), \ V(CB, B0, B0, 7B), V(FC, 54, 54, A8), V(D6, BB, BB, 6D), V(3A, 16, 16, 2C) +#if !defined(MBEDTLS_AES_ENCRYPT_ALT) #define V(a, b, c, d) 0x##a##b##c##d static const uint32_t FT0[256] = { FT }; #undef V @@ -184,8 +189,11 @@ static const uint32_t FT3[256] = { FT }; #endif /* !MBEDTLS_AES_FEWER_TABLES */ +#endif /* !defined(MBEDTLS_AES_ENCRYPT_ALT) */ + #undef FT +#if !defined(MBEDTLS_AES_DECRYPT_ALT) /* * Reverse S-box */ @@ -224,6 +232,7 @@ static const unsigned char RSb[256] = 0x17, 0x2B, 0x04, 0x7E, 0xBA, 0x77, 0xD6, 0x26, 0xE1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0C, 0x7D }; +#endif /* defined(MBEDTLS_AES_DECRYPT_ALT)) */ /* * Reverse tables @@ -295,6 +304,8 @@ static const unsigned char RSb[256] = V(71, 01, A8, 39), V(DE, B3, 0C, 08), V(9C, E4, B4, D8), V(90, C1, 56, 64), \ V(61, 84, CB, 7B), V(70, B6, 32, D5), V(74, 5C, 6C, 48), V(42, 57, B8, D0) +#if !defined(MBEDTLS_AES_DECRYPT_ALT) || !defined(MBEDTLS_AES_SETKEY_DEC_ALT) + #define V(a, b, c, d) 0x##a##b##c##d static const uint32_t RT0[256] = { RT }; #undef V @@ -315,8 +326,11 @@ static const uint32_t RT3[256] = { RT }; #endif /* !MBEDTLS_AES_FEWER_TABLES */ +#endif /* !defined(MBEDTLS_AES_DECRYPT_ALT) || !defined(MBEDTLS_AES_SETKEY_DEC_ALT) */ + #undef RT +#if !defined(MBEDTLS_AES_SETKEY_ENC_ALT) /* * Round constants */ @@ -326,31 +340,44 @@ static const uint32_t RCON[10] = 0x00000010, 0x00000020, 0x00000040, 0x00000080, 0x0000001B, 0x00000036 }; +#endif /* !defined(MBEDTLS_AES_SETKEY_ENC_ALT) */ #else /* MBEDTLS_AES_ROM_TABLES */ /* * Forward S-box & tables */ +#if !defined(MBEDTLS_AES_ENCRYPT_ALT) || !defined(MBEDTLS_AES_SETKEY_ENC_ALT) || \ + !defined(MBEDTLS_AES_SETKEY_DEC_ALT) static unsigned char FSb[256]; +#endif /* !defined(MBEDTLS_AES_ENCRYPT_ALT) || !defined(MBEDTLS_AES_SETKEY_ENC_ALT) || \ + !defined(MBEDTLS_AES_SETKEY_DEC_ALT) */ +#if !defined(MBEDTLS_AES_ENCRYPT_ALT) || !defined(MBEDTLS_AES_SETKEY_ENC_ALT) static uint32_t FT0[256]; #if !defined(MBEDTLS_AES_FEWER_TABLES) static uint32_t FT1[256]; static uint32_t FT2[256]; static uint32_t FT3[256]; #endif /* !MBEDTLS_AES_FEWER_TABLES */ +#endif /* !defined(MBEDTLS_AES_ENCRYPT_ALT) || !defined(MBEDTLS_AES_SETKEY_ENC_ALT) */ /* * Reverse S-box & tables */ +#if !(defined(MBEDTLS_AES_SETKEY_ENC_ALT) && defined(MBEDTLS_AES_DECRYPT_ALT)) static unsigned char RSb[256]; +#endif /* !(defined(MBEDTLS_AES_SETKEY_ENC_ALT) && defined(MBEDTLS_AES_DECRYPT_ALT)) */ + +#if !defined(MBEDTLS_AES_DECRYPT_ALT) || !defined(MBEDTLS_AES_SETKEY_DEC_ALT) static uint32_t RT0[256]; #if !defined(MBEDTLS_AES_FEWER_TABLES) static uint32_t RT1[256]; static uint32_t RT2[256]; static uint32_t RT3[256]; #endif /* !MBEDTLS_AES_FEWER_TABLES */ +#endif /* !defined(MBEDTLS_AES_DECRYPT_ALT) || !defined(MBEDTLS_AES_SETKEY_DEC_ALT) */ +#if !defined(MBEDTLS_AES_SETKEY_ENC_ALT) /* * Round constants */ @@ -428,6 +455,7 @@ static void aes_gen_tables(void) x = RSb[i]; +#if !defined(MBEDTLS_AES_DECRYPT_ALT) || !defined(MBEDTLS_AES_SETKEY_DEC_ALT) RT0[i] = ((uint32_t) MUL(0x0E, x)) ^ ((uint32_t) MUL(0x09, x) << 8) ^ ((uint32_t) MUL(0x0D, x) << 16) ^ @@ -438,9 +466,12 @@ static void aes_gen_tables(void) RT2[i] = ROTL8(RT1[i]); RT3[i] = ROTL8(RT2[i]); #endif /* !MBEDTLS_AES_FEWER_TABLES */ +#endif /* !defined(MBEDTLS_AES_DECRYPT_ALT) || !defined(MBEDTLS_AES_SETKEY_DEC_ALT) */ } } +#endif /* !defined(MBEDTLS_AES_SETKEY_ENC_ALT) */ + #undef ROTL8 #endif /* MBEDTLS_AES_ROM_TABLES */ @@ -521,6 +552,9 @@ void mbedtls_aes_xts_free(mbedtls_aes_xts_context *ctx) (defined(MBEDTLS_AESNI_C) && MBEDTLS_AESNI_HAVE_CODE == 2) #define MAY_NEED_TO_ALIGN #endif + +#if defined(MAY_NEED_TO_ALIGN) || !defined(MBEDTLS_AES_SETKEY_DEC_ALT) || \ + !defined(MBEDTLS_AES_SETKEY_ENC_ALT) static unsigned mbedtls_aes_rk_offset(uint32_t *buf) { #if defined(MAY_NEED_TO_ALIGN) @@ -557,6 +591,8 @@ static unsigned mbedtls_aes_rk_offset(uint32_t *buf) return 0; } +#endif /* defined(MAY_NEED_TO_ALIGN) || !defined(MBEDTLS_AES_SETKEY_DEC_ALT) || \ + !defined(MBEDTLS_AES_SETKEY_ENC_ALT) */ /* * AES key schedule (encryption) |