75 lines
2.6 KiB
C
75 lines
2.6 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. Must not be NONE.
|
|
*
|
|
* \warning If \p md_type is \c MBEDTLS_MD_NONE, this function will
|
|
* not return \c PSA_ALG_NONE, but an invalid algorithm.
|
|
*
|
|
* \warning This function does not check if the algorithm is
|
|
* supported, it always returns the corresponding identifier.
|
|
*
|
|
* \return The PSA algorithm identifier associated with \p md_type,
|
|
* regardless of whether it is supported or not.
|
|
*/
|
|
static inline psa_algorithm_t mbedtls_md_psa_alg_from_type(mbedtls_md_type_t md_type)
|
|
{
|
|
return PSA_ALG_CATEGORY_HASH | (psa_algorithm_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.
|
|
*
|
|
* \warning This function does not check if the algorithm is
|
|
* supported, it always returns the corresponding identifier.
|
|
*
|
|
* \return The MD type associated with \p psa_alg,
|
|
* regardless of whether it is supported or not.
|
|
*/
|
|
static inline mbedtls_md_type_t mbedtls_md_type_from_psa_alg(psa_algorithm_t psa_alg)
|
|
{
|
|
return (mbedtls_md_type_t) (psa_alg & PSA_ALG_HASH_MASK);
|
|
}
|
|
|
|
/** 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 */
|