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add missing call to psa_cipher_abort in cipher_setup func + iv_length check in cipher_set_iv func

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This commit is contained in:
Moran Peker 2018-04-22 20:23:16 +03:00 committed by itayzafrir
parent 406008ab4c
commit 71f19ae6f8
1 changed files with 10 additions and 1 deletions
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11
library/psa_crypto.c
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@ -1359,8 +1359,11 @@ static psa_status_t psa_cipher_setup(psa_cipher_operation_t *operation,
}
ret = mbedtls_cipher_set_padding_mode( &operation->ctx.cipher, mode );
if (ret != 0)
{
psa_cipher_abort( operation );
return( mbedtls_to_psa_error( ret ) );
}
}
#endif //MBEDTLS_CIPHER_MODE_WITH_PADDING
operation->key_set = 1;
@ -1424,6 +1427,13 @@ psa_status_t psa_encrypt_set_iv(psa_cipher_operation_t *operation,
int ret = PSA_SUCCESS;
if( operation->iv_set )
return( PSA_ERROR_BAD_STATE );
if (iv_length != operation->iv_size)
{
if (((operation->alg) & PSA_ALG_ARC4) == PSA_ALG_ARC4)
return(PSA_ERROR_BAD_STATE);
else
return (PSA_ERROR_INVALID_ARGUMENT);
}
ret = mbedtls_cipher_set_iv( &operation->ctx.cipher, iv, iv_length );
if( ret != 0 )
{
@ -1466,7 +1476,6 @@ psa_status_t psa_cipher_finish(psa_cipher_operation_t *operation,
size_t *output_length)
{
int ret = MBEDTLS_ERR_CIPHER_FEATURE_UNAVAILABLE;
uint8_t temp_output_buffer[ MBEDTLS_MAX_BLOCK_LENGTH ];
if( ! operation->key_set )