| /** |
| * 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 OR GPL-2.0-or-later |
| */ |
| #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 */ |