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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 c7f0a576b6
commit 02fc62a6fa
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 );