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Remove MBEDTLS_DES_SETKEY_ALT

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Signed-off-by: Thomas Daubney <thomas.daubney@arm.com>
This commit is contained in:
Thomas Daubney 2024-07-16 17:45:52 +01:00
parent 3ab1b2d00b
commit 43874e0a84
3 changed files with 4 additions and 19 deletions
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1
include/mbedtls/mbedtls_config.h
View File

@ -350,7 +350,6 @@
*/
//#define MBEDTLS_TIMING_ALT
//#define MBEDTLS_DES_SETKEY_ALT
//#define MBEDTLS_DES_CRYPT_ECB_ALT
//#define MBEDTLS_DES3_CRYPT_ECB_ALT
//#define MBEDTLS_AES_SETKEY_ENC_ALT

15
tf-psa-crypto/drivers/builtin/include/mbedtls/des.h
View File

@ -344,21 +344,6 @@ int mbedtls_des3_crypt_cbc(mbedtls_des3_context *ctx,
unsigned char *output);
#endif /* MBEDTLS_CIPHER_MODE_CBC */
/**
* \brief Internal function for key expansion.
* (Only exposed to allow overriding it,
* see MBEDTLS_DES_SETKEY_ALT)
*
* \param SK Round keys
* \param key Base key
*
* \warning DES/3DES are considered weak ciphers and their use constitutes a
* security risk. We recommend considering stronger ciphers
* instead.
*/
void mbedtls_des_setkey(uint32_t SK[32],
const unsigned char key[MBEDTLS_DES_KEY_SIZE]);
#if defined(MBEDTLS_SELF_TEST)
/**

7
tf-psa-crypto/drivers/builtin/src/des.c
View File

@ -389,8 +389,10 @@ int mbedtls_des_key_check_weak(const unsigned char key[MBEDTLS_DES_KEY_SIZE])
return 0;
}
#if !defined(MBEDTLS_DES_SETKEY_ALT)
void mbedtls_des_setkey(uint32_t SK[32], const unsigned char key[MBEDTLS_DES_KEY_SIZE])
/*
* Internal function for key expansion.
*/
static void mbedtls_des_setkey(uint32_t SK[32], const unsigned char key[MBEDTLS_DES_KEY_SIZE])
{
int i;
uint32_t X, Y, T;
@ -454,7 +456,6 @@ void mbedtls_des_setkey(uint32_t SK[32], const unsigned char key[MBEDTLS_DES_KEY
| ((Y << 2) & 0x00000004) | ((Y >> 21) & 0x00000002);
}
}
#endif /* !MBEDTLS_DES_SETKEY_ALT */
/*
* DES key schedule (56-bit, encryption)