70 lines
2.1 KiB
C
70 lines
2.1 KiB
C
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/**
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* Internal MD/hash functions - no crypto, just data.
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* This is used to avoid depending on MD_C just to query a length.
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*
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* Copyright The Mbed TLS Contributors
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may
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* not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef MBEDTLS_MD_INTERNAL_H
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#define MBEDTLS_MD_INTERNAL_H
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#include "common.h"
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#include "mbedtls/md.h"
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/** Get the output length of the given hash type
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*
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* \param md_type The hash type.
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*
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* \return The output length in bytes, or 0 if not known
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*/
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static inline unsigned char mbedtls_md_internal_get_size( mbedtls_md_type_t md_type )
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{
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switch( md_type )
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{
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#if defined(MBEDTLS_MD5_C) || defined(PSA_WANT_ALG_MD5)
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case MBEDTLS_MD_MD5:
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return( 16 );
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#endif
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#if defined(MBEDTLS_RIPEMD160_C) || defined(PSA_WANT_ALG_RIPEMD160) || \
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defined(MBEDTLS_SHA1_C) || defined(PSA_WANT_ALG_SHA_1)
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case MBEDTLS_MD_RIPEMD160:
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case MBEDTLS_MD_SHA1:
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return( 20 );
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#endif
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#if defined(MBEDTLS_SHA224_C) || defined(PSA_WANT_ALG_SHA_224)
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case MBEDTLS_MD_SHA224:
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return( 28 );
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#endif
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#if defined(MBEDTLS_SHA256_C) || defined(PSA_WANT_ALG_SHA_256)
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case MBEDTLS_MD_SHA256:
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return( 32 );
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#endif
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#if defined(MBEDTLS_SHA384_C) || defined(PSA_WANT_ALG_SHA_384)
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case MBEDTLS_MD_SHA384:
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return( 48 );
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#endif
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#if defined(MBEDTLS_SHA512_C) || defined(PSA_WANT_ALG_SHA_512)
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case MBEDTLS_MD_SHA512:
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return( 64 );
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#endif
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default:
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return( 0 );
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}
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}
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#endif /* MBEDTLS_MD_INTERNAL_H */
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