| /* |
| * Hash information that's independent from the crypto implementation. |
| * |
| * (See the corresponding header file for usage notes.) |
| */ |
| /* |
| * 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. |
| */ |
| |
| #include "hash_info.h" |
| #include "mbedtls/legacy_or_psa.h" |
| #include "mbedtls/error.h" |
| |
| typedef struct |
| { |
| psa_algorithm_t psa_alg; |
| mbedtls_md_type_t md_type; |
| unsigned char size; |
| unsigned char block_size; |
| } hash_entry; |
| |
| static const hash_entry hash_table[] = { |
| #if defined(MBEDTLS_HAS_ALG_MD5_VIA_LOWLEVEL_OR_PSA) |
| { PSA_ALG_MD5, MBEDTLS_MD_MD5, 16, 64 }, |
| #endif |
| #if defined(MBEDTLS_HAS_ALG_RIPEMD160_VIA_LOWLEVEL_OR_PSA) |
| { PSA_ALG_RIPEMD160, MBEDTLS_MD_RIPEMD160, 20, 64 }, |
| #endif |
| #if defined(MBEDTLS_HAS_ALG_SHA_1_VIA_LOWLEVEL_OR_PSA) |
| { PSA_ALG_SHA_1, MBEDTLS_MD_SHA1, 20, 64 }, |
| #endif |
| #if defined(MBEDTLS_HAS_ALG_SHA_224_VIA_LOWLEVEL_OR_PSA) |
| { PSA_ALG_SHA_224, MBEDTLS_MD_SHA224, 28, 64 }, |
| #endif |
| #if defined(MBEDTLS_HAS_ALG_SHA_256_VIA_LOWLEVEL_OR_PSA) |
| { PSA_ALG_SHA_256, MBEDTLS_MD_SHA256, 32, 64 }, |
| #endif |
| #if defined(MBEDTLS_HAS_ALG_SHA_384_VIA_LOWLEVEL_OR_PSA) |
| { PSA_ALG_SHA_384, MBEDTLS_MD_SHA384, 48, 128 }, |
| #endif |
| #if defined(MBEDTLS_HAS_ALG_SHA_512_VIA_LOWLEVEL_OR_PSA) |
| { PSA_ALG_SHA_512, MBEDTLS_MD_SHA512, 64, 128 }, |
| #endif |
| { PSA_ALG_NONE, MBEDTLS_MD_NONE, 0, 0 }, |
| }; |
| |
| /* Get size from MD type */ |
| unsigned char mbedtls_hash_info_get_size( mbedtls_md_type_t md_type ) |
| { |
| const hash_entry *entry = hash_table; |
| while( entry->md_type != MBEDTLS_MD_NONE && |
| entry->md_type != md_type ) |
| { |
| entry++; |
| } |
| |
| return entry->size; |
| } |
| |
| /* Get block size from MD type */ |
| unsigned char mbedtls_hash_info_get_block_size( mbedtls_md_type_t md_type ) |
| { |
| const hash_entry *entry = hash_table; |
| while( entry->md_type != MBEDTLS_MD_NONE && |
| entry->md_type != md_type ) |
| { |
| entry++; |
| } |
| |
| return entry->block_size; |
| } |
| |
| /* Get PSA from MD */ |
| psa_algorithm_t mbedtls_hash_info_psa_from_md( mbedtls_md_type_t md_type ) |
| { |
| const hash_entry *entry = hash_table; |
| while( entry->md_type != MBEDTLS_MD_NONE && |
| entry->md_type != md_type ) |
| { |
| entry++; |
| } |
| |
| return entry->psa_alg; |
| } |
| |
| /* Get MD from PSA */ |
| mbedtls_md_type_t mbedtls_hash_info_md_from_psa( psa_algorithm_t psa_alg ) |
| { |
| const hash_entry *entry = hash_table; |
| while( entry->md_type != MBEDTLS_MD_NONE && |
| entry->psa_alg != psa_alg ) |
| { |
| entry++; |
| } |
| |
| return entry->md_type; |
| } |
| |
| int mbedtls_md_error_from_psa( psa_status_t status ) |
| { |
| switch( status ) |
| { |
| case PSA_SUCCESS: |
| return( 0 ); |
| case PSA_ERROR_NOT_SUPPORTED: |
| return( MBEDTLS_ERR_MD_FEATURE_UNAVAILABLE ); |
| case PSA_ERROR_INVALID_ARGUMENT: |
| return( MBEDTLS_ERR_MD_BAD_INPUT_DATA ); |
| case PSA_ERROR_INSUFFICIENT_MEMORY: |
| return( MBEDTLS_ERR_MD_ALLOC_FAILED ); |
| default: |
| return( MBEDTLS_ERR_PLATFORM_HW_ACCEL_FAILED ); |
| } |
| } |