mirror of
				https://github.com/cuberite/polarssl.git
				synced 2025-11-03 12:11:27 -05:00 
			
		
		
		
	
		
			
				
	
	
		
			698 lines
		
	
	
		
			21 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			698 lines
		
	
	
		
			21 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
 | 
						|
 *  PSA hashing layer on top of Mbed TLS software crypto
 | 
						|
 */
 | 
						|
/*
 | 
						|
 *  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 "common.h"
 | 
						|
 | 
						|
#if defined(MBEDTLS_PSA_CRYPTO_C)
 | 
						|
 | 
						|
#include <psa/crypto.h>
 | 
						|
#include "psa_crypto_core.h"
 | 
						|
#include "psa_crypto_hash.h"
 | 
						|
 | 
						|
#include <mbedtls/error.h>
 | 
						|
#include <string.h>
 | 
						|
 | 
						|
/* Use builtin defines specific to this compilation unit, since the test driver
 | 
						|
 * relies on the software driver. */
 | 
						|
#if( defined(MBEDTLS_PSA_BUILTIN_ALG_MD2) || \
 | 
						|
    ( defined(PSA_CRYPTO_DRIVER_TEST) && defined(MBEDTLS_PSA_ACCEL_ALG_MD2) ) )
 | 
						|
#define BUILTIN_ALG_MD2         1
 | 
						|
#endif
 | 
						|
#if( defined(MBEDTLS_PSA_BUILTIN_ALG_MD4) || \
 | 
						|
    ( defined(PSA_CRYPTO_DRIVER_TEST) && defined(MBEDTLS_PSA_ACCEL_ALG_MD4) ) )
 | 
						|
#define BUILTIN_ALG_MD4         1
 | 
						|
#endif
 | 
						|
#if( defined(MBEDTLS_PSA_BUILTIN_ALG_MD5) || \
 | 
						|
    ( defined(PSA_CRYPTO_DRIVER_TEST) && defined(MBEDTLS_PSA_ACCEL_ALG_MD5) ) )
 | 
						|
#define BUILTIN_ALG_MD5         1
 | 
						|
#endif
 | 
						|
#if( defined(MBEDTLS_PSA_BUILTIN_ALG_RIPEMD160) || \
 | 
						|
    ( defined(PSA_CRYPTO_DRIVER_TEST) && defined(MBEDTLS_PSA_ACCEL_ALG_RIPEMD160) ) )
 | 
						|
#define BUILTIN_ALG_RIPEMD160   1
 | 
						|
#endif
 | 
						|
#if( defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_1) || \
 | 
						|
    ( defined(PSA_CRYPTO_DRIVER_TEST) && defined(MBEDTLS_PSA_ACCEL_ALG_SHA_1) ) )
 | 
						|
#define BUILTIN_ALG_SHA_1       1
 | 
						|
#endif
 | 
						|
#if( defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_224) || \
 | 
						|
    ( defined(PSA_CRYPTO_DRIVER_TEST) && defined(MBEDTLS_PSA_ACCEL_ALG_SHA_224) ) )
 | 
						|
#define BUILTIN_ALG_SHA_224     1
 | 
						|
#endif
 | 
						|
#if( defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_256) || \
 | 
						|
    ( defined(PSA_CRYPTO_DRIVER_TEST) && defined(MBEDTLS_PSA_ACCEL_ALG_SHA_256) ) )
 | 
						|
#define BUILTIN_ALG_SHA_256     1
 | 
						|
#endif
 | 
						|
#if( defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_384) || \
 | 
						|
    ( defined(PSA_CRYPTO_DRIVER_TEST) && defined(MBEDTLS_PSA_ACCEL_ALG_SHA_384) ) )
 | 
						|
#define BUILTIN_ALG_SHA_384     1
 | 
						|
#endif
 | 
						|
#if( defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_512) || \
 | 
						|
    ( defined(PSA_CRYPTO_DRIVER_TEST) && defined(MBEDTLS_PSA_ACCEL_ALG_SHA_512) ) )
 | 
						|
#define BUILTIN_ALG_SHA_512     1
 | 
						|
#endif
 | 
						|
 | 
						|
#if defined(MBEDTLS_PSA_BUILTIN_ALG_RSA_PKCS1V15_SIGN) || \
 | 
						|
    defined(MBEDTLS_PSA_BUILTIN_ALG_RSA_OAEP) || \
 | 
						|
    defined(MBEDTLS_PSA_BUILTIN_ALG_RSA_PSS) || \
 | 
						|
    defined(MBEDTLS_PSA_BUILTIN_ALG_DETERMINISTIC_ECDSA)
 | 
						|
const mbedtls_md_info_t *mbedtls_md_info_from_psa( psa_algorithm_t alg )
 | 
						|
{
 | 
						|
    switch( alg )
 | 
						|
    {
 | 
						|
#if defined(MBEDTLS_MD2_C)
 | 
						|
        case PSA_ALG_MD2:
 | 
						|
            return( &mbedtls_md2_info );
 | 
						|
#endif
 | 
						|
#if defined(MBEDTLS_MD4_C)
 | 
						|
        case PSA_ALG_MD4:
 | 
						|
            return( &mbedtls_md4_info );
 | 
						|
#endif
 | 
						|
#if defined(MBEDTLS_MD5_C)
 | 
						|
        case PSA_ALG_MD5:
 | 
						|
            return( &mbedtls_md5_info );
 | 
						|
#endif
 | 
						|
#if defined(MBEDTLS_RIPEMD160_C)
 | 
						|
        case PSA_ALG_RIPEMD160:
 | 
						|
            return( &mbedtls_ripemd160_info );
 | 
						|
#endif
 | 
						|
#if defined(MBEDTLS_SHA1_C)
 | 
						|
        case PSA_ALG_SHA_1:
 | 
						|
            return( &mbedtls_sha1_info );
 | 
						|
#endif
 | 
						|
#if defined(MBEDTLS_SHA256_C)
 | 
						|
        case PSA_ALG_SHA_224:
 | 
						|
            return( &mbedtls_sha224_info );
 | 
						|
#endif
 | 
						|
#if defined(MBEDTLS_SHA256_C)
 | 
						|
        case PSA_ALG_SHA_256:
 | 
						|
            return( &mbedtls_sha256_info );
 | 
						|
#endif
 | 
						|
#if defined(MBEDTLS_SHA512_C) && !defined(MBEDTLS_SHA512_NO_SHA384)
 | 
						|
        case PSA_ALG_SHA_384:
 | 
						|
            return( &mbedtls_sha384_info );
 | 
						|
#endif
 | 
						|
#if defined(MBEDTLS_SHA512_C)
 | 
						|
        case PSA_ALG_SHA_512:
 | 
						|
            return( &mbedtls_sha512_info );
 | 
						|
#endif
 | 
						|
        default:
 | 
						|
            return( NULL );
 | 
						|
    }
 | 
						|
}
 | 
						|
#endif /* defined(MBEDTLS_PSA_BUILTIN_ALG_RSA_PKCS1V15_SIGN) ||
 | 
						|
        * defined(MBEDTLS_PSA_BUILTIN_ALG_RSA_OAEP) ||
 | 
						|
        * defined(MBEDTLS_PSA_BUILTIN_ALG_RSA_PSS) ||
 | 
						|
        * defined(MBEDTLS_PSA_BUILTIN_ALG_DETERMINISTIC_ECDSA) */
 | 
						|
 | 
						|
/* Implement the PSA driver hash interface on top of mbed TLS if either the
 | 
						|
 * software driver or the test driver requires it. */
 | 
						|
#if defined(MBEDTLS_PSA_BUILTIN_HASH) || defined(PSA_CRYPTO_DRIVER_TEST)
 | 
						|
static psa_status_t hash_abort(
 | 
						|
    mbedtls_psa_hash_operation_t *operation )
 | 
						|
{
 | 
						|
    switch( operation->alg )
 | 
						|
    {
 | 
						|
        case 0:
 | 
						|
            /* The object has (apparently) been initialized but it is not
 | 
						|
             * in use. It's ok to call abort on such an object, and there's
 | 
						|
             * nothing to do. */
 | 
						|
            break;
 | 
						|
#if defined(BUILTIN_ALG_MD2)
 | 
						|
        case PSA_ALG_MD2:
 | 
						|
            mbedtls_md2_free( &operation->ctx.md2 );
 | 
						|
            break;
 | 
						|
#endif
 | 
						|
#if defined(BUILTIN_ALG_MD4)
 | 
						|
        case PSA_ALG_MD4:
 | 
						|
            mbedtls_md4_free( &operation->ctx.md4 );
 | 
						|
            break;
 | 
						|
#endif
 | 
						|
#if defined(BUILTIN_ALG_MD5)
 | 
						|
        case PSA_ALG_MD5:
 | 
						|
            mbedtls_md5_free( &operation->ctx.md5 );
 | 
						|
            break;
 | 
						|
#endif
 | 
						|
#if defined(BUILTIN_ALG_RIPEMD160)
 | 
						|
        case PSA_ALG_RIPEMD160:
 | 
						|
            mbedtls_ripemd160_free( &operation->ctx.ripemd160 );
 | 
						|
            break;
 | 
						|
#endif
 | 
						|
#if defined(BUILTIN_ALG_SHA_1)
 | 
						|
        case PSA_ALG_SHA_1:
 | 
						|
            mbedtls_sha1_free( &operation->ctx.sha1 );
 | 
						|
            break;
 | 
						|
#endif
 | 
						|
#if defined(BUILTIN_ALG_SHA_224)
 | 
						|
        case PSA_ALG_SHA_224:
 | 
						|
            mbedtls_sha256_free( &operation->ctx.sha256 );
 | 
						|
            break;
 | 
						|
#endif
 | 
						|
#if defined(BUILTIN_ALG_SHA_256)
 | 
						|
        case PSA_ALG_SHA_256:
 | 
						|
            mbedtls_sha256_free( &operation->ctx.sha256 );
 | 
						|
            break;
 | 
						|
#endif
 | 
						|
#if defined(BUILTIN_ALG_SHA_384)
 | 
						|
        case PSA_ALG_SHA_384:
 | 
						|
            mbedtls_sha512_free( &operation->ctx.sha512 );
 | 
						|
            break;
 | 
						|
#endif
 | 
						|
#if defined(BUILTIN_ALG_SHA_512)
 | 
						|
        case PSA_ALG_SHA_512:
 | 
						|
            mbedtls_sha512_free( &operation->ctx.sha512 );
 | 
						|
            break;
 | 
						|
#endif
 | 
						|
        default:
 | 
						|
            return( PSA_ERROR_BAD_STATE );
 | 
						|
    }
 | 
						|
    operation->alg = 0;
 | 
						|
    return( PSA_SUCCESS );
 | 
						|
}
 | 
						|
 | 
						|
static psa_status_t hash_setup(
 | 
						|
    mbedtls_psa_hash_operation_t *operation,
 | 
						|
    psa_algorithm_t alg )
 | 
						|
{
 | 
						|
    int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
 | 
						|
 | 
						|
    /* A context must be freshly initialized before it can be set up. */
 | 
						|
    if( operation->alg != 0 )
 | 
						|
    {
 | 
						|
        return( PSA_ERROR_BAD_STATE );
 | 
						|
    }
 | 
						|
 | 
						|
    switch( alg )
 | 
						|
    {
 | 
						|
#if defined(BUILTIN_ALG_MD2)
 | 
						|
        case PSA_ALG_MD2:
 | 
						|
            mbedtls_md2_init( &operation->ctx.md2 );
 | 
						|
            ret = mbedtls_md2_starts_ret( &operation->ctx.md2 );
 | 
						|
            break;
 | 
						|
#endif
 | 
						|
#if defined(BUILTIN_ALG_MD4)
 | 
						|
        case PSA_ALG_MD4:
 | 
						|
            mbedtls_md4_init( &operation->ctx.md4 );
 | 
						|
            ret = mbedtls_md4_starts_ret( &operation->ctx.md4 );
 | 
						|
            break;
 | 
						|
#endif
 | 
						|
#if defined(BUILTIN_ALG_MD5)
 | 
						|
        case PSA_ALG_MD5:
 | 
						|
            mbedtls_md5_init( &operation->ctx.md5 );
 | 
						|
            ret = mbedtls_md5_starts_ret( &operation->ctx.md5 );
 | 
						|
            break;
 | 
						|
#endif
 | 
						|
#if defined(BUILTIN_ALG_RIPEMD160)
 | 
						|
        case PSA_ALG_RIPEMD160:
 | 
						|
            mbedtls_ripemd160_init( &operation->ctx.ripemd160 );
 | 
						|
            ret = mbedtls_ripemd160_starts_ret( &operation->ctx.ripemd160 );
 | 
						|
            break;
 | 
						|
#endif
 | 
						|
#if defined(BUILTIN_ALG_SHA_1)
 | 
						|
        case PSA_ALG_SHA_1:
 | 
						|
            mbedtls_sha1_init( &operation->ctx.sha1 );
 | 
						|
            ret = mbedtls_sha1_starts_ret( &operation->ctx.sha1 );
 | 
						|
            break;
 | 
						|
#endif
 | 
						|
#if defined(BUILTIN_ALG_SHA_224)
 | 
						|
        case PSA_ALG_SHA_224:
 | 
						|
            mbedtls_sha256_init( &operation->ctx.sha256 );
 | 
						|
            ret = mbedtls_sha256_starts_ret( &operation->ctx.sha256, 1 );
 | 
						|
            break;
 | 
						|
#endif
 | 
						|
#if defined(BUILTIN_ALG_SHA_256)
 | 
						|
        case PSA_ALG_SHA_256:
 | 
						|
            mbedtls_sha256_init( &operation->ctx.sha256 );
 | 
						|
            ret = mbedtls_sha256_starts_ret( &operation->ctx.sha256, 0 );
 | 
						|
            break;
 | 
						|
#endif
 | 
						|
#if defined(BUILTIN_ALG_SHA_384)
 | 
						|
        case PSA_ALG_SHA_384:
 | 
						|
            mbedtls_sha512_init( &operation->ctx.sha512 );
 | 
						|
            ret = mbedtls_sha512_starts_ret( &operation->ctx.sha512, 1 );
 | 
						|
            break;
 | 
						|
#endif
 | 
						|
#if defined(BUILTIN_ALG_SHA_512)
 | 
						|
        case PSA_ALG_SHA_512:
 | 
						|
            mbedtls_sha512_init( &operation->ctx.sha512 );
 | 
						|
            ret = mbedtls_sha512_starts_ret( &operation->ctx.sha512, 0 );
 | 
						|
            break;
 | 
						|
#endif
 | 
						|
        default:
 | 
						|
            return( PSA_ALG_IS_HASH( alg ) ?
 | 
						|
                    PSA_ERROR_NOT_SUPPORTED :
 | 
						|
                    PSA_ERROR_INVALID_ARGUMENT );
 | 
						|
    }
 | 
						|
    if( ret == 0 )
 | 
						|
        operation->alg = alg;
 | 
						|
    else
 | 
						|
        hash_abort( operation );
 | 
						|
    return( mbedtls_to_psa_error( ret ) );
 | 
						|
}
 | 
						|
 | 
						|
static psa_status_t hash_clone(
 | 
						|
    const mbedtls_psa_hash_operation_t *source_operation,
 | 
						|
    mbedtls_psa_hash_operation_t *target_operation )
 | 
						|
{
 | 
						|
    switch( source_operation->alg )
 | 
						|
    {
 | 
						|
        case 0:
 | 
						|
            return( PSA_ERROR_BAD_STATE );
 | 
						|
#if defined(BUILTIN_ALG_MD2)
 | 
						|
        case PSA_ALG_MD2:
 | 
						|
            mbedtls_md2_clone( &target_operation->ctx.md2,
 | 
						|
                               &source_operation->ctx.md2 );
 | 
						|
            break;
 | 
						|
#endif
 | 
						|
#if defined(BUILTIN_ALG_MD4)
 | 
						|
        case PSA_ALG_MD4:
 | 
						|
            mbedtls_md4_clone( &target_operation->ctx.md4,
 | 
						|
                               &source_operation->ctx.md4 );
 | 
						|
            break;
 | 
						|
#endif
 | 
						|
#if defined(BUILTIN_ALG_MD5)
 | 
						|
        case PSA_ALG_MD5:
 | 
						|
            mbedtls_md5_clone( &target_operation->ctx.md5,
 | 
						|
                               &source_operation->ctx.md5 );
 | 
						|
            break;
 | 
						|
#endif
 | 
						|
#if defined(BUILTIN_ALG_RIPEMD160)
 | 
						|
        case PSA_ALG_RIPEMD160:
 | 
						|
            mbedtls_ripemd160_clone( &target_operation->ctx.ripemd160,
 | 
						|
                                     &source_operation->ctx.ripemd160 );
 | 
						|
            break;
 | 
						|
#endif
 | 
						|
#if defined(BUILTIN_ALG_SHA_1)
 | 
						|
        case PSA_ALG_SHA_1:
 | 
						|
            mbedtls_sha1_clone( &target_operation->ctx.sha1,
 | 
						|
                                &source_operation->ctx.sha1 );
 | 
						|
            break;
 | 
						|
#endif
 | 
						|
#if defined(BUILTIN_ALG_SHA_224)
 | 
						|
        case PSA_ALG_SHA_224:
 | 
						|
            mbedtls_sha256_clone( &target_operation->ctx.sha256,
 | 
						|
                                  &source_operation->ctx.sha256 );
 | 
						|
            break;
 | 
						|
#endif
 | 
						|
#if defined(BUILTIN_ALG_SHA_256)
 | 
						|
        case PSA_ALG_SHA_256:
 | 
						|
            mbedtls_sha256_clone( &target_operation->ctx.sha256,
 | 
						|
                                  &source_operation->ctx.sha256 );
 | 
						|
            break;
 | 
						|
#endif
 | 
						|
#if defined(BUILTIN_ALG_SHA_384)
 | 
						|
        case PSA_ALG_SHA_384:
 | 
						|
            mbedtls_sha512_clone( &target_operation->ctx.sha512,
 | 
						|
                                  &source_operation->ctx.sha512 );
 | 
						|
            break;
 | 
						|
#endif
 | 
						|
#if defined(BUILTIN_ALG_SHA_512)
 | 
						|
        case PSA_ALG_SHA_512:
 | 
						|
            mbedtls_sha512_clone( &target_operation->ctx.sha512,
 | 
						|
                                  &source_operation->ctx.sha512 );
 | 
						|
            break;
 | 
						|
#endif
 | 
						|
        default:
 | 
						|
            (void) source_operation;
 | 
						|
            (void) target_operation;
 | 
						|
            return( PSA_ERROR_NOT_SUPPORTED );
 | 
						|
    }
 | 
						|
 | 
						|
    target_operation->alg = source_operation->alg;
 | 
						|
    return( PSA_SUCCESS );
 | 
						|
}
 | 
						|
 | 
						|
static psa_status_t hash_update(
 | 
						|
    mbedtls_psa_hash_operation_t *operation,
 | 
						|
    const uint8_t *input,
 | 
						|
    size_t input_length )
 | 
						|
{
 | 
						|
    int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
 | 
						|
 | 
						|
    switch( operation->alg )
 | 
						|
    {
 | 
						|
#if defined(BUILTIN_ALG_MD2)
 | 
						|
        case PSA_ALG_MD2:
 | 
						|
            ret = mbedtls_md2_update_ret( &operation->ctx.md2,
 | 
						|
                                          input, input_length );
 | 
						|
            break;
 | 
						|
#endif
 | 
						|
#if defined(BUILTIN_ALG_MD4)
 | 
						|
        case PSA_ALG_MD4:
 | 
						|
            ret = mbedtls_md4_update_ret( &operation->ctx.md4,
 | 
						|
                                          input, input_length );
 | 
						|
            break;
 | 
						|
#endif
 | 
						|
#if defined(BUILTIN_ALG_MD5)
 | 
						|
        case PSA_ALG_MD5:
 | 
						|
            ret = mbedtls_md5_update_ret( &operation->ctx.md5,
 | 
						|
                                          input, input_length );
 | 
						|
            break;
 | 
						|
#endif
 | 
						|
#if defined(BUILTIN_ALG_RIPEMD160)
 | 
						|
        case PSA_ALG_RIPEMD160:
 | 
						|
            ret = mbedtls_ripemd160_update_ret( &operation->ctx.ripemd160,
 | 
						|
                                                input, input_length );
 | 
						|
            break;
 | 
						|
#endif
 | 
						|
#if defined(BUILTIN_ALG_SHA_1)
 | 
						|
        case PSA_ALG_SHA_1:
 | 
						|
            ret = mbedtls_sha1_update_ret( &operation->ctx.sha1,
 | 
						|
                                           input, input_length );
 | 
						|
            break;
 | 
						|
#endif
 | 
						|
#if defined(BUILTIN_ALG_SHA_224)
 | 
						|
        case PSA_ALG_SHA_224:
 | 
						|
            ret = mbedtls_sha256_update_ret( &operation->ctx.sha256,
 | 
						|
                                             input, input_length );
 | 
						|
            break;
 | 
						|
#endif
 | 
						|
#if defined(BUILTIN_ALG_SHA_256)
 | 
						|
        case PSA_ALG_SHA_256:
 | 
						|
            ret = mbedtls_sha256_update_ret( &operation->ctx.sha256,
 | 
						|
                                             input, input_length );
 | 
						|
            break;
 | 
						|
#endif
 | 
						|
#if defined(BUILTIN_ALG_SHA_384)
 | 
						|
        case PSA_ALG_SHA_384:
 | 
						|
            ret = mbedtls_sha512_update_ret( &operation->ctx.sha512,
 | 
						|
                                             input, input_length );
 | 
						|
            break;
 | 
						|
#endif
 | 
						|
#if defined(BUILTIN_ALG_SHA_512)
 | 
						|
        case PSA_ALG_SHA_512:
 | 
						|
            ret = mbedtls_sha512_update_ret( &operation->ctx.sha512,
 | 
						|
                                             input, input_length );
 | 
						|
            break;
 | 
						|
#endif
 | 
						|
        default:
 | 
						|
            (void) input;
 | 
						|
            (void) input_length;
 | 
						|
            return( PSA_ERROR_BAD_STATE );
 | 
						|
    }
 | 
						|
 | 
						|
    return( mbedtls_to_psa_error( ret ) );
 | 
						|
}
 | 
						|
 | 
						|
static psa_status_t hash_finish(
 | 
						|
    mbedtls_psa_hash_operation_t *operation,
 | 
						|
    uint8_t *hash,
 | 
						|
    size_t hash_size,
 | 
						|
    size_t *hash_length )
 | 
						|
{
 | 
						|
    psa_status_t status;
 | 
						|
    int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
 | 
						|
    size_t actual_hash_length = PSA_HASH_LENGTH( operation->alg );
 | 
						|
 | 
						|
    /* Fill the output buffer with something that isn't a valid hash
 | 
						|
     * (barring an attack on the hash and deliberately-crafted input),
 | 
						|
     * in case the caller doesn't check the return status properly. */
 | 
						|
    *hash_length = hash_size;
 | 
						|
    /* If hash_size is 0 then hash may be NULL and then the
 | 
						|
     * call to memset would have undefined behavior. */
 | 
						|
    if( hash_size != 0 )
 | 
						|
        memset( hash, '!', hash_size );
 | 
						|
 | 
						|
    if( hash_size < actual_hash_length )
 | 
						|
    {
 | 
						|
        status = PSA_ERROR_BUFFER_TOO_SMALL;
 | 
						|
        goto exit;
 | 
						|
    }
 | 
						|
 | 
						|
    switch( operation->alg )
 | 
						|
    {
 | 
						|
#if defined(BUILTIN_ALG_MD2)
 | 
						|
        case PSA_ALG_MD2:
 | 
						|
            ret = mbedtls_md2_finish_ret( &operation->ctx.md2, hash );
 | 
						|
            break;
 | 
						|
#endif
 | 
						|
#if defined(BUILTIN_ALG_MD4)
 | 
						|
        case PSA_ALG_MD4:
 | 
						|
            ret = mbedtls_md4_finish_ret( &operation->ctx.md4, hash );
 | 
						|
            break;
 | 
						|
#endif
 | 
						|
#if defined(BUILTIN_ALG_MD5)
 | 
						|
        case PSA_ALG_MD5:
 | 
						|
            ret = mbedtls_md5_finish_ret( &operation->ctx.md5, hash );
 | 
						|
            break;
 | 
						|
#endif
 | 
						|
#if defined(BUILTIN_ALG_RIPEMD160)
 | 
						|
        case PSA_ALG_RIPEMD160:
 | 
						|
            ret = mbedtls_ripemd160_finish_ret( &operation->ctx.ripemd160, hash );
 | 
						|
            break;
 | 
						|
#endif
 | 
						|
#if defined(BUILTIN_ALG_SHA_1)
 | 
						|
        case PSA_ALG_SHA_1:
 | 
						|
            ret = mbedtls_sha1_finish_ret( &operation->ctx.sha1, hash );
 | 
						|
            break;
 | 
						|
#endif
 | 
						|
#if defined(BUILTIN_ALG_SHA_224)
 | 
						|
        case PSA_ALG_SHA_224:
 | 
						|
            ret = mbedtls_sha256_finish_ret( &operation->ctx.sha256, hash );
 | 
						|
            break;
 | 
						|
#endif
 | 
						|
#if defined(BUILTIN_ALG_SHA_256)
 | 
						|
        case PSA_ALG_SHA_256:
 | 
						|
            ret = mbedtls_sha256_finish_ret( &operation->ctx.sha256, hash );
 | 
						|
            break;
 | 
						|
#endif
 | 
						|
#if defined(BUILTIN_ALG_SHA_384)
 | 
						|
        case PSA_ALG_SHA_384:
 | 
						|
            ret = mbedtls_sha512_finish_ret( &operation->ctx.sha512, hash );
 | 
						|
            break;
 | 
						|
#endif
 | 
						|
#if defined(BUILTIN_ALG_SHA_512)
 | 
						|
        case PSA_ALG_SHA_512:
 | 
						|
            ret = mbedtls_sha512_finish_ret( &operation->ctx.sha512, hash );
 | 
						|
            break;
 | 
						|
#endif
 | 
						|
        default:
 | 
						|
            (void) hash;
 | 
						|
            return( PSA_ERROR_BAD_STATE );
 | 
						|
    }
 | 
						|
    status = mbedtls_to_psa_error( ret );
 | 
						|
 | 
						|
exit:
 | 
						|
    if( status == PSA_SUCCESS )
 | 
						|
        *hash_length = actual_hash_length;
 | 
						|
    return( status );
 | 
						|
}
 | 
						|
 | 
						|
static psa_status_t hash_compute(
 | 
						|
    psa_algorithm_t alg,
 | 
						|
    const uint8_t *input,
 | 
						|
    size_t input_length,
 | 
						|
    uint8_t *hash,
 | 
						|
    size_t hash_size,
 | 
						|
    size_t *hash_length)
 | 
						|
{
 | 
						|
    mbedtls_psa_hash_operation_t operation = MBEDTLS_PSA_HASH_OPERATION_INIT;
 | 
						|
    psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
 | 
						|
    psa_status_t abort_status = PSA_ERROR_CORRUPTION_DETECTED;
 | 
						|
 | 
						|
    *hash_length = hash_size;
 | 
						|
    status = hash_setup( &operation, alg );
 | 
						|
    if( status != PSA_SUCCESS )
 | 
						|
        goto exit;
 | 
						|
    status = hash_update( &operation, input, input_length );
 | 
						|
    if( status != PSA_SUCCESS )
 | 
						|
        goto exit;
 | 
						|
    status = hash_finish( &operation, hash, hash_size, hash_length );
 | 
						|
    if( status != PSA_SUCCESS )
 | 
						|
        goto exit;
 | 
						|
 | 
						|
exit:
 | 
						|
    abort_status = hash_abort( &operation );
 | 
						|
    if( status == PSA_SUCCESS )
 | 
						|
        return( abort_status );
 | 
						|
    else
 | 
						|
        return( status );
 | 
						|
 | 
						|
}
 | 
						|
#endif /* MBEDTLS_PSA_BUILTIN_HASH || PSA_CRYPTO_DRIVER_TEST */
 | 
						|
 | 
						|
#if defined(MBEDTLS_PSA_BUILTIN_HASH)
 | 
						|
psa_status_t mbedtls_psa_hash_compute(
 | 
						|
    psa_algorithm_t alg,
 | 
						|
    const uint8_t *input,
 | 
						|
    size_t input_length,
 | 
						|
    uint8_t *hash,
 | 
						|
    size_t hash_size,
 | 
						|
    size_t *hash_length)
 | 
						|
{
 | 
						|
    return( hash_compute( alg, input, input_length,
 | 
						|
                          hash, hash_size, hash_length ) );
 | 
						|
}
 | 
						|
 | 
						|
psa_status_t mbedtls_psa_hash_setup(
 | 
						|
    mbedtls_psa_hash_operation_t *operation,
 | 
						|
    psa_algorithm_t alg )
 | 
						|
{
 | 
						|
    return( hash_setup( operation, alg ) );
 | 
						|
}
 | 
						|
 | 
						|
psa_status_t mbedtls_psa_hash_clone(
 | 
						|
    const mbedtls_psa_hash_operation_t *source_operation,
 | 
						|
    mbedtls_psa_hash_operation_t *target_operation )
 | 
						|
{
 | 
						|
    return( hash_clone( source_operation, target_operation ) );
 | 
						|
}
 | 
						|
 | 
						|
psa_status_t mbedtls_psa_hash_update(
 | 
						|
    mbedtls_psa_hash_operation_t *operation,
 | 
						|
    const uint8_t *input,
 | 
						|
    size_t input_length )
 | 
						|
{
 | 
						|
    return( hash_update( operation, input, input_length ) );
 | 
						|
}
 | 
						|
 | 
						|
psa_status_t mbedtls_psa_hash_finish(
 | 
						|
    mbedtls_psa_hash_operation_t *operation,
 | 
						|
    uint8_t *hash,
 | 
						|
    size_t hash_size,
 | 
						|
    size_t *hash_length )
 | 
						|
{
 | 
						|
    return( hash_finish( operation, hash, hash_size, hash_length ) );
 | 
						|
}
 | 
						|
 | 
						|
psa_status_t mbedtls_psa_hash_abort(
 | 
						|
    mbedtls_psa_hash_operation_t *operation )
 | 
						|
{
 | 
						|
    return( hash_abort( operation ) );
 | 
						|
}
 | 
						|
#endif /* MBEDTLS_PSA_BUILTIN_HASH */
 | 
						|
 | 
						|
 /*
 | 
						|
  * BEYOND THIS POINT, TEST DRIVER ENTRY POINTS ONLY.
 | 
						|
  */
 | 
						|
#if defined(PSA_CRYPTO_DRIVER_TEST)
 | 
						|
 | 
						|
static int is_hash_accelerated( psa_algorithm_t alg )
 | 
						|
{
 | 
						|
    switch( alg )
 | 
						|
    {
 | 
						|
#if defined(MBEDTLS_PSA_ACCEL_ALG_MD2)
 | 
						|
        case PSA_ALG_MD2:
 | 
						|
            return( 1 );
 | 
						|
#endif
 | 
						|
#if defined(MBEDTLS_PSA_ACCEL_ALG_MD4)
 | 
						|
        case PSA_ALG_MD4:
 | 
						|
            return( 1 );
 | 
						|
#endif
 | 
						|
#if defined(MBEDTLS_PSA_ACCEL_ALG_MD5)
 | 
						|
        case PSA_ALG_MD5:
 | 
						|
            return( 1 );
 | 
						|
#endif
 | 
						|
#if defined(MBEDTLS_PSA_ACCEL_ALG_RIPEMD160)
 | 
						|
        case PSA_ALG_RIPEMD160:
 | 
						|
            return( 1 );
 | 
						|
#endif
 | 
						|
#if defined(MBEDTLS_PSA_ACCEL_ALG_SHA_1)
 | 
						|
        case PSA_ALG_SHA_1:
 | 
						|
            return( 1 );
 | 
						|
#endif
 | 
						|
#if defined(MBEDTLS_PSA_ACCEL_ALG_SHA_224)
 | 
						|
        case PSA_ALG_SHA_224:
 | 
						|
            return( 1 );
 | 
						|
#endif
 | 
						|
#if defined(MBEDTLS_PSA_ACCEL_ALG_SHA_256)
 | 
						|
        case PSA_ALG_SHA_256:
 | 
						|
            return( 1 );
 | 
						|
#endif
 | 
						|
#if defined(MBEDTLS_PSA_ACCEL_ALG_SHA_384)
 | 
						|
        case PSA_ALG_SHA_384:
 | 
						|
            return( 1 );
 | 
						|
#endif
 | 
						|
#if defined(MBEDTLS_PSA_ACCEL_ALG_SHA_512)
 | 
						|
        case PSA_ALG_SHA_512:
 | 
						|
            return( 1 );
 | 
						|
#endif
 | 
						|
        default:
 | 
						|
            return( 0 );
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
psa_status_t mbedtls_transparent_test_driver_hash_compute(
 | 
						|
    psa_algorithm_t alg,
 | 
						|
    const uint8_t *input,
 | 
						|
    size_t input_length,
 | 
						|
    uint8_t *hash,
 | 
						|
    size_t hash_size,
 | 
						|
    size_t *hash_length)
 | 
						|
{
 | 
						|
    if( is_hash_accelerated( alg ) )
 | 
						|
        return( hash_compute( alg, input, input_length,
 | 
						|
                              hash, hash_size, hash_length ) );
 | 
						|
    else
 | 
						|
        return( PSA_ERROR_NOT_SUPPORTED );
 | 
						|
}
 | 
						|
 | 
						|
psa_status_t mbedtls_transparent_test_driver_hash_setup(
 | 
						|
    mbedtls_transparent_test_driver_hash_operation_t *operation,
 | 
						|
    psa_algorithm_t alg )
 | 
						|
{
 | 
						|
    if( is_hash_accelerated( alg ) )
 | 
						|
        return( hash_setup( operation, alg ) );
 | 
						|
    else
 | 
						|
        return( PSA_ERROR_NOT_SUPPORTED );
 | 
						|
}
 | 
						|
 | 
						|
psa_status_t mbedtls_transparent_test_driver_hash_clone(
 | 
						|
    const mbedtls_transparent_test_driver_hash_operation_t *source_operation,
 | 
						|
    mbedtls_transparent_test_driver_hash_operation_t *target_operation )
 | 
						|
{
 | 
						|
    if( is_hash_accelerated( source_operation->alg ) )
 | 
						|
        return( hash_clone( source_operation, target_operation ) );
 | 
						|
    else
 | 
						|
        return( PSA_ERROR_BAD_STATE );
 | 
						|
}
 | 
						|
 | 
						|
psa_status_t mbedtls_transparent_test_driver_hash_update(
 | 
						|
    mbedtls_transparent_test_driver_hash_operation_t *operation,
 | 
						|
    const uint8_t *input,
 | 
						|
    size_t input_length )
 | 
						|
{
 | 
						|
    if( is_hash_accelerated( operation->alg ) )
 | 
						|
        return( hash_update( operation, input, input_length ) );
 | 
						|
    else
 | 
						|
        return( PSA_ERROR_BAD_STATE );
 | 
						|
}
 | 
						|
 | 
						|
psa_status_t mbedtls_transparent_test_driver_hash_finish(
 | 
						|
    mbedtls_transparent_test_driver_hash_operation_t *operation,
 | 
						|
    uint8_t *hash,
 | 
						|
    size_t hash_size,
 | 
						|
    size_t *hash_length )
 | 
						|
{
 | 
						|
    if( is_hash_accelerated( operation->alg ) )
 | 
						|
        return( hash_finish( operation, hash, hash_size, hash_length ) );
 | 
						|
    else
 | 
						|
        return( PSA_ERROR_BAD_STATE );
 | 
						|
}
 | 
						|
 | 
						|
psa_status_t mbedtls_transparent_test_driver_hash_abort(
 | 
						|
    mbedtls_transparent_test_driver_hash_operation_t *operation )
 | 
						|
{
 | 
						|
    return( hash_abort( operation ) );
 | 
						|
}
 | 
						|
 | 
						|
#endif /* PSA_CRYPTO_DRIVER_TEST */
 | 
						|
 | 
						|
#endif /* MBEDTLS_PSA_CRYPTO_C */
 |