mbedtls/library/md_psa.h
Manuel Pégourié-Gonnard 70aa2a110e Change contract of MD<->PSA conversion
This is preparation work for simplifying the implementation of those
functions. Done first in order to get the CI's opinion on it.

Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
2023-06-08 10:53:54 +02:00

60 lines
2 KiB
C

/**
* Translation between MD and PSA identifiers (algorithms, errors).
*
* Note: this internal module will go away when everything becomes based on
* PSA Crypto; it is a helper for the transition period.
*
* Copyright The Mbed TLS Contributors
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef MBEDTLS_MD_PSA_H
#define MBEDTLS_MD_PSA_H
#include "common.h"
#include "mbedtls/md.h"
#include "psa/crypto.h"
/**
* \brief This function returns the PSA algorithm identifier
* associated with the given digest type.
*
* \param md_type The type of digest to search for.
*
* \return The PSA algorithm identifier associated with \p md_type,
* regardless of whether it is supported or not.
*/
psa_algorithm_t mbedtls_md_psa_alg_from_type(mbedtls_md_type_t md_type);
/**
* \brief This function returns the given digest type
* associated with the PSA algorithm identifier.
*
* \param psa_alg The PSA algorithm identifier to search for.
*
* \return The MD type associated with \p psa_alg,
* regardless of whether it is supported or not.
*/
mbedtls_md_type_t mbedtls_md_type_from_psa_alg(psa_algorithm_t psa_alg);
/** Convert PSA status to MD error code.
*
* \param status PSA status.
*
* \return The corresponding MD error code,
*/
int mbedtls_md_error_from_psa(psa_status_t status);
#endif /* MBEDTLS_MD_PSA_H */