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Remove unused items from MAC operation context structure

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Apparently it was at some point assumed that there would be
support for MAC algorithms with IV, but that hasn't been
implemented yet. Until that time, these context structure
members are superfluous and can be removed.

Signed-off-by: Steven Cooreman <steven.cooreman@silabs.com>
This commit is contained in:
Steven Cooreman
2021-04-29 15:32:42 +02:00
parent 2d9a3f946e
commit 5c85ef0a56
2 changed files with 1 additions and 13 deletions
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9
library/psa_crypto_mac.c
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@ -247,15 +247,12 @@ static psa_status_t mac_init(
operation->alg = PSA_ALG_FULL_LENGTH_MAC( alg );
operation->key_set = 0;
operation->iv_set = 0;
operation->iv_required = 0;
operation->has_input = 0;
operation->is_sign = 0;
#if defined(BUILTIN_ALG_CMAC)
if( operation->alg == PSA_ALG_CMAC )
{
operation->iv_required = 0;
mbedtls_cipher_init( &operation->ctx.cmac );
status = PSA_SUCCESS;
}
@ -312,8 +309,6 @@ static psa_status_t mac_abort( mbedtls_psa_mac_operation_t *operation )
operation->alg = 0;
operation->key_set = 0;
operation->iv_set = 0;
operation->iv_required = 0;
operation->has_input = 0;
operation->is_sign = 0;
@ -452,8 +447,6 @@ static psa_status_t mac_update(
{
if( ! operation->key_set )
return( PSA_ERROR_BAD_STATE );
if( operation->iv_required && ! operation->iv_set )
return( PSA_ERROR_BAD_STATE );
operation->has_input = 1;
#if defined(BUILTIN_ALG_CMAC)
@ -486,8 +479,6 @@ static psa_status_t mac_finish_internal( mbedtls_psa_mac_operation_t *operation,
{
if( ! operation->key_set )
return( PSA_ERROR_BAD_STATE );
if( operation->iv_required && ! operation->iv_set )
return( PSA_ERROR_BAD_STATE );
if( mac_size < operation->mac_size )
return( PSA_ERROR_BUFFER_TOO_SMALL );