d8a298e1fc
Modules / tests that only need to get the size of a hash from its type, without actually computing a hash, need not depend on MD_C. Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
69 lines
2.1 KiB
C
69 lines
2.1 KiB
C
/**
|
|
* Internal MD/hash functions - no crypto, just data.
|
|
* This is used to avoid depending on MD_C just to query a length.
|
|
*
|
|
* 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_INTERNAL_H
|
|
#define MBEDTLS_MD_INTERNAL_H
|
|
|
|
#include "common.h"
|
|
|
|
#include "mbedtls/md.h"
|
|
|
|
/** Get the output length of the given hash type
|
|
*
|
|
* \param md_type The hash type.
|
|
*
|
|
* \return The output length in bytes, or 0 if not known
|
|
*/
|
|
static inline unsigned char mbedtls_md_internal_get_size( mbedtls_md_type_t md_type )
|
|
{
|
|
switch( md_type )
|
|
{
|
|
#if defined(MBEDTLS_MD5_C) || defined(PSA_WANT_ALG_MD5)
|
|
case MBEDTLS_MD_MD5:
|
|
return( 16 );
|
|
#endif
|
|
#if defined(MBEDTLS_RIPEMD160_C) || defined(PSA_WANT_ALG_RIPEMD160) || \
|
|
defined(MBEDTLS_SHA1_C) || defined(PSA_WANT_ALG_SHA_1)
|
|
case MBEDTLS_MD_RIPEMD160:
|
|
case MBEDTLS_MD_SHA1:
|
|
return( 20 );
|
|
#endif
|
|
#if defined(MBEDTLS_SHA224_C) || defined(PSA_WANT_ALG_SHA_224)
|
|
case MBEDTLS_MD_SHA224:
|
|
return( 28 );
|
|
#endif
|
|
#if defined(MBEDTLS_SHA256_C) || defined(PSA_WANT_ALG_SHA_256)
|
|
case MBEDTLS_MD_SHA256:
|
|
return( 32 );
|
|
#endif
|
|
#if defined(MBEDTLS_SHA384_C) || defined(PSA_WANT_ALG_SHA_384)
|
|
case MBEDTLS_MD_SHA384:
|
|
return( 48 );
|
|
#endif
|
|
#if defined(MBEDTLS_SHA512_C) || defined(PSA_WANT_ALG_SHA_512)
|
|
case MBEDTLS_MD_SHA512:
|
|
return( 64 );
|
|
#endif
|
|
default:
|
|
return( 0 );
|
|
}
|
|
}
|
|
|
|
#endif /* MBEDTLS_MD_INTERNAL_H */
|