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Fix some more incorrect guards in aes.c

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Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
This commit is contained in:
Dave Rodgman 2023-09-29 15:52:33 +01:00
parent 745af9f47b
commit 450c1ff353
1 changed files with 20 additions and 12 deletions
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32
library/aes.c
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@ -84,8 +84,10 @@ 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)
#if !defined(MBEDTLS_AES_ENCRYPT_ALT) || \
(!defined(MBEDTLS_AES_SETKEY_ENC_ALT) && (!defined(MBEDTLS_AES_USE_HARDWARE_ONLY) || \
!defined(MBEDTLS_AES_ROM_TABLES))) || \
(!defined(MBEDTLS_AES_SETKEY_DEC_ALT) && !defined(MBEDTLS_AES_USE_HARDWARE_ONLY))
static const unsigned char FSb[256] =
{
0x63, 0x7C, 0x77, 0x7B, 0xF2, 0x6B, 0x6F, 0xC5,
@ -330,7 +332,8 @@ 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)
#if !defined(MBEDTLS_AES_DECRYPT_ALT) || \
(!defined(MBEDTLS_AES_SETKEY_DEC_ALT) && !defined(MBEDTLS_AES_USE_HARDWARE_ONLY))
#define V(a, b, c, d) 0x##a##b##c##d
static const uint32_t RT0[256] = { RT };
@ -352,11 +355,12 @@ static const uint32_t RT3[256] = { RT };
#endif /* !MBEDTLS_AES_FEWER_TABLES */
#endif /* !defined(MBEDTLS_AES_DECRYPT_ALT) || !defined(MBEDTLS_AES_SETKEY_DEC_ALT) */
#endif \
/* !defined(MBEDTLS_AES_DECRYPT_ALT) || (!defined(MBEDTLS_AES_SETKEY_DEC_ALT) && !defined(MBEDTLS_AES_USE_HARDWARE_ONLY)) */
#undef RT
#if !defined(MBEDTLS_AES_SETKEY_ENC_ALT)
#if !defined(MBEDTLS_AES_SETKEY_ENC_ALT) && !defined(MBEDTLS_AES_USE_HARDWARE_ONLY)
/*
* Round constants
*/
@ -373,11 +377,12 @@ static const uint32_t RCON[10] =
/*
* Forward S-box & tables
*/
#if !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) && (!defined(MBEDTLS_AES_USE_HARDWARE_ONLY) || \
!defined(MBEDTLS_AES_ROM_TABLES))) || \
(!defined(MBEDTLS_AES_SETKEY_DEC_ALT) && !defined(MBEDTLS_AES_USE_HARDWARE_ONLY))
static unsigned char FSb[256];
#endif /* !defined(MBEDTLS_AES_ENCRYPT_ALT) || !defined(MBEDTLS_AES_SETKEY_ENC_ALT) || \
!defined(MBEDTLS_AES_SETKEY_DEC_ALT) */
#endif
#if !defined(MBEDTLS_AES_ENCRYPT_ALT) || !defined(MBEDTLS_AES_SETKEY_ENC_ALT)
static uint32_t FT0[256];
#if !defined(MBEDTLS_AES_FEWER_TABLES)
@ -394,7 +399,8 @@ static uint32_t FT3[256];
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)
#if !defined(MBEDTLS_AES_DECRYPT_ALT) || (!defined(MBEDTLS_AES_SETKEY_DEC_ALT) && \
!defined(MBEDTLS_AES_USE_HARDWARE_ONLY))
static uint32_t RT0[256];
#if !defined(MBEDTLS_AES_FEWER_TABLES)
static uint32_t RT1[256];
@ -482,7 +488,8 @@ static void aes_gen_tables(void)
x = RSb[i];
#if !defined(MBEDTLS_AES_DECRYPT_ALT) || !defined(MBEDTLS_AES_SETKEY_DEC_ALT)
#if !defined(MBEDTLS_AES_DECRYPT_ALT) || \
(!defined(MBEDTLS_AES_SETKEY_DEC_ALT) && !defined(MBEDTLS_AES_USE_HARDWARE_ONLY))
RT0[i] = ((uint32_t) MUL(0x0E, x)) ^
((uint32_t) MUL(0x09, x) << 8) ^
((uint32_t) MUL(0x0D, x) << 16) ^
@ -493,7 +500,8 @@ 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_DECRYPT_ALT) || (!defined(MBEDTLS_AES_SETKEY_DEC_ALT) && !defined(MBEDTLS_AES_USE_HARDWARE_ONLY)) */
}
}