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Renamed hmac_ctx to opad and removed null check.

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this array is now part of the struct and not dynamically allocated
so it can't be null.
This commit is contained in:
Nir Sonnenschein 2018-06-17 14:03:40 +03:00 committed by itayzafrir
parent caec7f0c49
commit 5ca6547b77
2 changed files with 4 additions and 7 deletions
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2
include/psa/crypto_struct.h
View file

@ -88,7 +88,7 @@ typedef struct {
/** The hash context. */
struct psa_hash_operation_s hash_ctx;
/** The HMAC part of the context. */
uint8_t hmac_ctx[PSA_CRYPTO_MD_BLOCK_SIZE];
uint8_t opad[PSA_CRYPTO_MD_BLOCK_SIZE];
} psa_hmac_internal_data;

9
library/psa_crypto.c
View file

@ -1018,11 +1018,8 @@ psa_status_t psa_mac_abort( psa_mac_operation_t *operation )
return( PSA_ERROR_NOT_SUPPORTED );
psa_hash_abort( &operation->ctx.hmac.hash_ctx );
if ( operation->ctx.hmac.hmac_ctx != NULL )
{
mbedtls_zeroize( operation->ctx.hmac.hmac_ctx,
mbedtls_zeroize( operation->ctx.hmac.opad,
block_size);
}
}
else
#endif /* MBEDTLS_MD_C */
@ -1065,7 +1062,7 @@ static int psa_hmac_start( psa_mac_operation_t *operation,
psa_algorithm_t alg )
{
unsigned char ipad[PSA_CRYPTO_MD_BLOCK_SIZE];
unsigned char *opad = operation->ctx.hmac.hmac_ctx;
unsigned char *opad = operation->ctx.hmac.opad;
size_t i;
size_t block_size =
PSA_HASH_BLOCK_SIZE( ( PSA_ALG_HMAC_HASH( alg ) ) );
@ -1282,7 +1279,7 @@ static psa_status_t psa_mac_finish_internal( psa_mac_operation_t *operation,
if( PSA_ALG_IS_HMAC( operation->alg ) )
{
unsigned char tmp[MBEDTLS_MD_MAX_SIZE];
unsigned char *opad = operation->ctx.hmac.hmac_ctx;
unsigned char *opad = operation->ctx.hmac.opad;
size_t hash_size = 0;
unsigned int block_size =
PSA_HASH_BLOCK_SIZE( ( PSA_ALG_HMAC_HASH( operation->alg ) ) );