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Remove MBEDTLS_AES_DECRYPT_ALT

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Signed-off-by: Thomas Daubney <thomas.daubney@arm.com>
This commit is contained in:
Thomas Daubney 2024-07-18 11:58:50 +01:00
parent 6cf05f9322
commit 7c0b4adfa2
4 changed files with 8 additions and 29 deletions
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1
include/mbedtls/mbedtls_config.h
View File

@ -350,7 +350,6 @@
*/
//#define MBEDTLS_TIMING_ALT
//#define MBEDTLS_AES_DECRYPT_ALT
//#define MBEDTLS_ECDH_GEN_PUBLIC_ALT
//#define MBEDTLS_ECDH_COMPUTE_SHARED_ALT
//#define MBEDTLS_ECDSA_VERIFY_ALT

2
tests/scripts/components-configuration-crypto.sh
View File

@ -2242,7 +2242,6 @@ component_build_aes_variations () {
msg "build: aes.o for all combinations of relevant config options"
build_test_config_combos ${BUILTIN_SRC_PATH}/aes.o validate_aes_config_variations \
"MBEDTLS_AES_DECRYPT_ALT" \
"MBEDTLS_AES_ROM_TABLES" \
"MBEDTLS_AES_FEWER_TABLES" "MBEDTLS_AES_USE_HARDWARE_ONLY" \
"MBEDTLS_AESNI_C" "MBEDTLS_AESCE_C" "MBEDTLS_AES_ONLY_128_BIT_KEY_LENGTH"
@ -2259,7 +2258,6 @@ component_build_aes_variations () {
scripts/config.py unset MBEDTLS_DES_C
scripts/config.py unset MBEDTLS_NIST_KW_C
build_test_config_combos ${BUILTIN_SRC_PATH}/aes.o validate_aes_config_variations \
"MBEDTLS_AES_DECRYPT_ALT" \
"MBEDTLS_AES_ROM_TABLES" \
"MBEDTLS_AES_FEWER_TABLES" "MBEDTLS_AES_USE_HARDWARE_ONLY" \
"MBEDTLS_AESNI_C" "MBEDTLS_AESCE_C" "MBEDTLS_AES_ONLY_128_BIT_KEY_LENGTH"

18
tf-psa-crypto/drivers/builtin/include/mbedtls/aes.h
View File

@ -566,24 +566,6 @@ int mbedtls_aes_crypt_ctr(mbedtls_aes_context *ctx,
unsigned char *output);
#endif /* MBEDTLS_CIPHER_MODE_CTR */
#if !defined(MBEDTLS_BLOCK_CIPHER_NO_DECRYPT)
/**
* \brief Internal AES block decryption function. This is only
* exposed to allow overriding it using see
* \c MBEDTLS_AES_DECRYPT_ALT.
*
* \param ctx The AES context to use for decryption.
* \param input The ciphertext block.
* \param output The output (plaintext) block.
*
* \return \c 0 on success.
*/
MBEDTLS_CHECK_RETURN_TYPICAL
int mbedtls_internal_aes_decrypt(mbedtls_aes_context *ctx,
const unsigned char input[16],
unsigned char output[16]);
#endif /* !MBEDTLS_BLOCK_CIPHER_NO_DECRYPT */
#if defined(MBEDTLS_SELF_TEST)
/**
* \brief Checkup routine.

16
tf-psa-crypto/drivers/builtin/src/aes.c
View File

@ -44,8 +44,7 @@
* This is a convenience shorthand macro to check if we need reverse S-box and
* reverse tables. It's private and only defined in this file.
*/
#if (!defined(MBEDTLS_AES_DECRYPT_ALT) || !defined(MBEDTLS_AES_USE_HARDWARE_ONLY)) \
&& !defined(MBEDTLS_BLOCK_CIPHER_NO_DECRYPT)
#if !defined(MBEDTLS_AES_USE_HARDWARE_ONLY) && !defined(MBEDTLS_BLOCK_CIPHER_NO_DECRYPT)
#define MBEDTLS_AES_NEED_REVERSE_TABLES
#endif
@ -903,15 +902,15 @@ static int mbedtls_internal_aes_encrypt(mbedtls_aes_context *ctx,
return 0;
}
#endif /* !MBEDTLS_AES_USE_HARDWARE_ONLY */
#if !defined(MBEDTLS_BLOCK_CIPHER_NO_DECRYPT)
/*
* AES-ECB block decryption
*/
#if !defined(MBEDTLS_AES_DECRYPT_ALT) && !defined(MBEDTLS_BLOCK_CIPHER_NO_DECRYPT)
int mbedtls_internal_aes_decrypt(mbedtls_aes_context *ctx,
const unsigned char input[16],
unsigned char output[16])
MBEDTLS_CHECK_RETURN_TYPICAL
static int mbedtls_internal_aes_decrypt(mbedtls_aes_context *ctx,
const unsigned char input[16],
unsigned char output[16])
{
int i;
uint32_t *RK = ctx->buf + ctx->rk_offset;
@ -965,7 +964,8 @@ int mbedtls_internal_aes_decrypt(mbedtls_aes_context *ctx,
return 0;
}
#endif /* !MBEDTLS_AES_DECRYPT_ALT && !MBEDTLS_BLOCK_CIPHER_NO_DECRYPT */
#endif /* !MBEDTLS_BLOCK_CIPHER_NO_DECRYPT */
#endif /* !MBEDTLS_AES_USE_HARDWARE_ONLY */
/*
* Our intrinsics-based implementation of AESNI requires the round keys to be