617 lines
18 KiB
C
617 lines
18 KiB
C
/*
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* PSA hashing layer on top of Mbed TLS software crypto
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*/
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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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#include "common.h"
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#if defined(MBEDTLS_PSA_CRYPTO_C)
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#include <psa/crypto.h>
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#include "psa_crypto_core.h"
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#include "psa_crypto_hash.h"
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#include <mbedtls/error.h>
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#include <string.h>
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/* Use builtin defines specific to this compilation unit, since the test driver
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* relies on the software driver. */
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#if( defined(MBEDTLS_PSA_BUILTIN_ALG_MD5) || \
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( defined(PSA_CRYPTO_DRIVER_TEST) && defined(MBEDTLS_PSA_ACCEL_ALG_MD5) ) )
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#define BUILTIN_ALG_MD5 1
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#endif
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#if( defined(MBEDTLS_PSA_BUILTIN_ALG_RIPEMD160) || \
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( defined(PSA_CRYPTO_DRIVER_TEST) && defined(MBEDTLS_PSA_ACCEL_ALG_RIPEMD160) ) )
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#define BUILTIN_ALG_RIPEMD160 1
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#endif
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#if( defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_1) || \
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( defined(PSA_CRYPTO_DRIVER_TEST) && defined(MBEDTLS_PSA_ACCEL_ALG_SHA_1) ) )
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#define BUILTIN_ALG_SHA_1 1
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#endif
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#if( defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_224) || \
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( defined(PSA_CRYPTO_DRIVER_TEST) && defined(MBEDTLS_PSA_ACCEL_ALG_SHA_224) ) )
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#define BUILTIN_ALG_SHA_224 1
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#endif
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#if( defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_256) || \
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( defined(PSA_CRYPTO_DRIVER_TEST) && defined(MBEDTLS_PSA_ACCEL_ALG_SHA_256) ) )
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#define BUILTIN_ALG_SHA_256 1
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#endif
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#if( defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_384) || \
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( defined(PSA_CRYPTO_DRIVER_TEST) && defined(MBEDTLS_PSA_ACCEL_ALG_SHA_384) ) )
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#define BUILTIN_ALG_SHA_384 1
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#endif
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#if( defined(MBEDTLS_PSA_BUILTIN_ALG_SHA_512) || \
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( defined(PSA_CRYPTO_DRIVER_TEST) && defined(MBEDTLS_PSA_ACCEL_ALG_SHA_512) ) )
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#define BUILTIN_ALG_SHA_512 1
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#endif
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#if defined(MBEDTLS_PSA_BUILTIN_ALG_RSA_PKCS1V15_SIGN) || \
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defined(MBEDTLS_PSA_BUILTIN_ALG_RSA_OAEP) || \
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defined(MBEDTLS_PSA_BUILTIN_ALG_RSA_PSS) || \
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defined(MBEDTLS_PSA_BUILTIN_ALG_DETERMINISTIC_ECDSA)
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const mbedtls_md_info_t *mbedtls_md_info_from_psa( psa_algorithm_t alg )
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{
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switch( alg )
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{
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#if defined(MBEDTLS_MD5_C)
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case PSA_ALG_MD5:
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return( &mbedtls_md5_info );
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#endif
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#if defined(MBEDTLS_RIPEMD160_C)
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case PSA_ALG_RIPEMD160:
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return( &mbedtls_ripemd160_info );
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#endif
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#if defined(MBEDTLS_SHA1_C)
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case PSA_ALG_SHA_1:
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return( &mbedtls_sha1_info );
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#endif
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#if defined(MBEDTLS_SHA224_C)
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case PSA_ALG_SHA_224:
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return( &mbedtls_sha224_info );
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#endif
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#if defined(MBEDTLS_SHA256_C)
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case PSA_ALG_SHA_256:
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return( &mbedtls_sha256_info );
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#endif
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#if defined(MBEDTLS_SHA384_C)
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case PSA_ALG_SHA_384:
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return( &mbedtls_sha384_info );
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#endif
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#if defined(MBEDTLS_SHA512_C)
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case PSA_ALG_SHA_512:
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return( &mbedtls_sha512_info );
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#endif
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default:
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return( NULL );
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}
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}
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#endif /* defined(MBEDTLS_PSA_BUILTIN_ALG_RSA_PKCS1V15_SIGN) ||
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* defined(MBEDTLS_PSA_BUILTIN_ALG_RSA_OAEP) ||
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* defined(MBEDTLS_PSA_BUILTIN_ALG_RSA_PSS) ||
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* defined(MBEDTLS_PSA_BUILTIN_ALG_DETERMINISTIC_ECDSA) */
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/* Implement the PSA driver hash interface on top of mbed TLS if either the
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* software driver or the test driver requires it. */
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#if defined(MBEDTLS_PSA_BUILTIN_HASH) || defined(PSA_CRYPTO_DRIVER_TEST)
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static psa_status_t hash_abort(
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mbedtls_psa_hash_operation_t *operation )
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{
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switch( operation->alg )
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{
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case 0:
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/* The object has (apparently) been initialized but it is not
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* in use. It's ok to call abort on such an object, and there's
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* nothing to do. */
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break;
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#if defined(BUILTIN_ALG_MD5)
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case PSA_ALG_MD5:
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mbedtls_md5_free( &operation->ctx.md5 );
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break;
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#endif
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#if defined(BUILTIN_ALG_RIPEMD160)
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case PSA_ALG_RIPEMD160:
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mbedtls_ripemd160_free( &operation->ctx.ripemd160 );
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break;
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#endif
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#if defined(BUILTIN_ALG_SHA_1)
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case PSA_ALG_SHA_1:
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mbedtls_sha1_free( &operation->ctx.sha1 );
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break;
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#endif
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#if defined(BUILTIN_ALG_SHA_224)
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case PSA_ALG_SHA_224:
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mbedtls_sha256_free( &operation->ctx.sha256 );
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break;
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#endif
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#if defined(BUILTIN_ALG_SHA_256)
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case PSA_ALG_SHA_256:
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mbedtls_sha256_free( &operation->ctx.sha256 );
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break;
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#endif
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#if defined(BUILTIN_ALG_SHA_384)
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case PSA_ALG_SHA_384:
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mbedtls_sha512_free( &operation->ctx.sha512 );
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break;
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#endif
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#if defined(BUILTIN_ALG_SHA_512)
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case PSA_ALG_SHA_512:
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mbedtls_sha512_free( &operation->ctx.sha512 );
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break;
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#endif
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default:
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return( PSA_ERROR_BAD_STATE );
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}
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operation->alg = 0;
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return( PSA_SUCCESS );
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}
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static psa_status_t hash_setup(
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mbedtls_psa_hash_operation_t *operation,
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psa_algorithm_t alg )
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{
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int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
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/* A context must be freshly initialized before it can be set up. */
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if( operation->alg != 0 )
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{
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return( PSA_ERROR_BAD_STATE );
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}
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switch( alg )
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{
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#if defined(BUILTIN_ALG_MD5)
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case PSA_ALG_MD5:
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mbedtls_md5_init( &operation->ctx.md5 );
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ret = mbedtls_md5_starts( &operation->ctx.md5 );
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break;
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#endif
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#if defined(BUILTIN_ALG_RIPEMD160)
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case PSA_ALG_RIPEMD160:
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mbedtls_ripemd160_init( &operation->ctx.ripemd160 );
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ret = mbedtls_ripemd160_starts( &operation->ctx.ripemd160 );
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break;
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#endif
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#if defined(BUILTIN_ALG_SHA_1)
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case PSA_ALG_SHA_1:
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mbedtls_sha1_init( &operation->ctx.sha1 );
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ret = mbedtls_sha1_starts( &operation->ctx.sha1 );
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break;
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#endif
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#if defined(BUILTIN_ALG_SHA_224)
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case PSA_ALG_SHA_224:
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mbedtls_sha256_init( &operation->ctx.sha256 );
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ret = mbedtls_sha256_starts( &operation->ctx.sha256, 1 );
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break;
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#endif
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#if defined(BUILTIN_ALG_SHA_256)
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case PSA_ALG_SHA_256:
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mbedtls_sha256_init( &operation->ctx.sha256 );
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ret = mbedtls_sha256_starts( &operation->ctx.sha256, 0 );
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break;
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#endif
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#if defined(BUILTIN_ALG_SHA_384)
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case PSA_ALG_SHA_384:
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mbedtls_sha512_init( &operation->ctx.sha512 );
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ret = mbedtls_sha512_starts( &operation->ctx.sha512, 1 );
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break;
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#endif
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#if defined(BUILTIN_ALG_SHA_512)
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case PSA_ALG_SHA_512:
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mbedtls_sha512_init( &operation->ctx.sha512 );
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ret = mbedtls_sha512_starts( &operation->ctx.sha512, 0 );
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break;
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#endif
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default:
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return( PSA_ALG_IS_HASH( alg ) ?
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PSA_ERROR_NOT_SUPPORTED :
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PSA_ERROR_INVALID_ARGUMENT );
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}
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if( ret == 0 )
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operation->alg = alg;
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else
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hash_abort( operation );
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return( mbedtls_to_psa_error( ret ) );
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}
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static psa_status_t hash_clone(
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const mbedtls_psa_hash_operation_t *source_operation,
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mbedtls_psa_hash_operation_t *target_operation )
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{
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switch( source_operation->alg )
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{
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case 0:
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return( PSA_ERROR_BAD_STATE );
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#if defined(BUILTIN_ALG_MD5)
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case PSA_ALG_MD5:
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mbedtls_md5_clone( &target_operation->ctx.md5,
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&source_operation->ctx.md5 );
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break;
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#endif
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#if defined(BUILTIN_ALG_RIPEMD160)
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case PSA_ALG_RIPEMD160:
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mbedtls_ripemd160_clone( &target_operation->ctx.ripemd160,
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&source_operation->ctx.ripemd160 );
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break;
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#endif
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#if defined(BUILTIN_ALG_SHA_1)
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case PSA_ALG_SHA_1:
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mbedtls_sha1_clone( &target_operation->ctx.sha1,
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&source_operation->ctx.sha1 );
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break;
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#endif
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#if defined(BUILTIN_ALG_SHA_224)
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case PSA_ALG_SHA_224:
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mbedtls_sha256_clone( &target_operation->ctx.sha256,
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&source_operation->ctx.sha256 );
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break;
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#endif
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#if defined(BUILTIN_ALG_SHA_256)
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case PSA_ALG_SHA_256:
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mbedtls_sha256_clone( &target_operation->ctx.sha256,
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&source_operation->ctx.sha256 );
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break;
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#endif
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#if defined(BUILTIN_ALG_SHA_384)
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case PSA_ALG_SHA_384:
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mbedtls_sha512_clone( &target_operation->ctx.sha512,
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&source_operation->ctx.sha512 );
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break;
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#endif
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#if defined(BUILTIN_ALG_SHA_512)
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case PSA_ALG_SHA_512:
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mbedtls_sha512_clone( &target_operation->ctx.sha512,
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&source_operation->ctx.sha512 );
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break;
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#endif
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default:
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(void) source_operation;
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(void) target_operation;
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return( PSA_ERROR_NOT_SUPPORTED );
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}
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target_operation->alg = source_operation->alg;
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return( PSA_SUCCESS );
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}
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static psa_status_t hash_update(
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mbedtls_psa_hash_operation_t *operation,
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const uint8_t *input,
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size_t input_length )
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{
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int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
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switch( operation->alg )
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{
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#if defined(BUILTIN_ALG_MD5)
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case PSA_ALG_MD5:
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ret = mbedtls_md5_update( &operation->ctx.md5,
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input, input_length );
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break;
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#endif
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#if defined(BUILTIN_ALG_RIPEMD160)
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case PSA_ALG_RIPEMD160:
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ret = mbedtls_ripemd160_update( &operation->ctx.ripemd160,
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input, input_length );
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break;
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#endif
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#if defined(BUILTIN_ALG_SHA_1)
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case PSA_ALG_SHA_1:
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ret = mbedtls_sha1_update( &operation->ctx.sha1,
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input, input_length );
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break;
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#endif
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#if defined(BUILTIN_ALG_SHA_224)
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case PSA_ALG_SHA_224:
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ret = mbedtls_sha256_update( &operation->ctx.sha256,
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input, input_length );
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break;
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#endif
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#if defined(BUILTIN_ALG_SHA_256)
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case PSA_ALG_SHA_256:
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ret = mbedtls_sha256_update( &operation->ctx.sha256,
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input, input_length );
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break;
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#endif
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#if defined(BUILTIN_ALG_SHA_384)
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case PSA_ALG_SHA_384:
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ret = mbedtls_sha512_update( &operation->ctx.sha512,
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input, input_length );
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break;
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#endif
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#if defined(BUILTIN_ALG_SHA_512)
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case PSA_ALG_SHA_512:
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ret = mbedtls_sha512_update( &operation->ctx.sha512,
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input, input_length );
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break;
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#endif
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default:
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(void) input;
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(void) input_length;
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return( PSA_ERROR_BAD_STATE );
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}
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return( mbedtls_to_psa_error( ret ) );
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}
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static psa_status_t hash_finish(
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mbedtls_psa_hash_operation_t *operation,
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uint8_t *hash,
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size_t hash_size,
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size_t *hash_length )
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{
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psa_status_t status;
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int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
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size_t actual_hash_length = PSA_HASH_LENGTH( operation->alg );
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/* Fill the output buffer with something that isn't a valid hash
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* (barring an attack on the hash and deliberately-crafted input),
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* in case the caller doesn't check the return status properly. */
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*hash_length = hash_size;
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/* If hash_size is 0 then hash may be NULL and then the
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* call to memset would have undefined behavior. */
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if( hash_size != 0 )
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memset( hash, '!', hash_size );
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if( hash_size < actual_hash_length )
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{
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status = PSA_ERROR_BUFFER_TOO_SMALL;
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goto exit;
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}
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switch( operation->alg )
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{
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#if defined(BUILTIN_ALG_MD5)
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case PSA_ALG_MD5:
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ret = mbedtls_md5_finish( &operation->ctx.md5, hash );
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break;
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#endif
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#if defined(BUILTIN_ALG_RIPEMD160)
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case PSA_ALG_RIPEMD160:
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ret = mbedtls_ripemd160_finish( &operation->ctx.ripemd160, hash );
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break;
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#endif
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#if defined(BUILTIN_ALG_SHA_1)
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case PSA_ALG_SHA_1:
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ret = mbedtls_sha1_finish( &operation->ctx.sha1, hash );
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break;
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#endif
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#if defined(BUILTIN_ALG_SHA_224)
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case PSA_ALG_SHA_224:
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ret = mbedtls_sha256_finish( &operation->ctx.sha256, hash );
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break;
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#endif
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#if defined(BUILTIN_ALG_SHA_256)
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case PSA_ALG_SHA_256:
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ret = mbedtls_sha256_finish( &operation->ctx.sha256, hash );
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break;
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#endif
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#if defined(BUILTIN_ALG_SHA_384)
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case PSA_ALG_SHA_384:
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ret = mbedtls_sha512_finish( &operation->ctx.sha512, hash );
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break;
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#endif
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#if defined(BUILTIN_ALG_SHA_512)
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case PSA_ALG_SHA_512:
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ret = mbedtls_sha512_finish( &operation->ctx.sha512, hash );
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break;
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#endif
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default:
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(void) hash;
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return( PSA_ERROR_BAD_STATE );
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}
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status = mbedtls_to_psa_error( ret );
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exit:
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if( status == PSA_SUCCESS )
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*hash_length = actual_hash_length;
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return( status );
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}
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static psa_status_t hash_compute(
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psa_algorithm_t alg,
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const uint8_t *input,
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size_t input_length,
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uint8_t *hash,
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size_t hash_size,
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size_t *hash_length)
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{
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mbedtls_psa_hash_operation_t operation = MBEDTLS_PSA_HASH_OPERATION_INIT;
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psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
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psa_status_t abort_status = PSA_ERROR_CORRUPTION_DETECTED;
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*hash_length = hash_size;
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status = hash_setup( &operation, alg );
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if( status != PSA_SUCCESS )
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goto exit;
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status = hash_update( &operation, input, input_length );
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if( status != PSA_SUCCESS )
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goto exit;
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status = hash_finish( &operation, hash, hash_size, hash_length );
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if( status != PSA_SUCCESS )
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goto exit;
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exit:
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abort_status = hash_abort( &operation );
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if( status == PSA_SUCCESS )
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return( abort_status );
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else
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return( status );
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}
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#endif /* MBEDTLS_PSA_BUILTIN_HASH || PSA_CRYPTO_DRIVER_TEST */
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#if defined(MBEDTLS_PSA_BUILTIN_HASH)
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psa_status_t mbedtls_psa_hash_compute(
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psa_algorithm_t alg,
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const uint8_t *input,
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size_t input_length,
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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_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 */
|