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mbedtls/library/use_psa_helpers.h

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Add helper macros for dependencies based on USE_PSA For now in an internal header as it's the safest option and that way we can change whenever we want. Later on if we think the macros can be useful to applications as well then we can move them to a public location. Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
2022-07-07 12:17:55 +02:00
/**
* Internal macros for parts of the code governed by MBEDTLS_USE_PSA_CRYPTO.
Add USE_PSA version of PK test functions While at it, also fix buffer size for functions that already depend on USE_PSA: it should be PSA_HASH_MAX_SIZE for functions that always use PSA, and the new macro MBEDTLS_USE_PSA_MD_MAX_SIZE for functions that use it or not depending on USE_PSA. The only case where MBEDTLS_MD_MAX_SIZE is OK is when the function always uses MD - currently this is the case with pk_sign_verify_restart() as it is incompatible with USE_PSA anyway. Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
2022-07-08 10:33:44 +02:00
* Some macros allow checking if an algorithm is available, either via the
* legacy API or the PSA Crypto API, depending on MBEDTLS_USE_PSA_CRYPTO;
* when possible, they're named after the corresponding PSA_WANT_ macro.
* Other macros provide max sizes or similar information in a USE_PSA-aware
* way; they're name after a similar constant from the legacy API or PSA.
Add helper macros for dependencies based on USE_PSA For now in an internal header as it's the safest option and that way we can change whenever we want. Later on if we think the macros can be useful to applications as well then we can move them to a public location. Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
2022-07-07 12:17:55 +02:00
*
* 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_USE_PSA_HELPERS_H
#define MBEDTLS_USE_PSA_HELPERS_H
#include "common.h"
/* Hash algorithms */
#if ( !defined(MBEDTLS_USE_PSA_CRYPTO) && defined(MBEDTLS_MD5_C) ) || \
( defined(MBEDTLS_USE_PSA_CRYPTO) && defined(PSA_WANT_ALG_MD5) )
#define MBEDTLS_USE_PSA_WANT_ALG_MD5
#endif
#if ( !defined(MBEDTLS_USE_PSA_CRYPTO) && defined(MBEDTLS_RIPEMD160_C) ) || \
( defined(MBEDTLS_USE_PSA_CRYPTO) && defined(PSA_WANT_ALG_RIPEMD160) )
#define MBEDTLS_USE_PSA_WANT_ALG_RIPEMD160
#endif
#if ( !defined(MBEDTLS_USE_PSA_CRYPTO) && defined(MBEDTLS_SHA1_C) ) || \
( defined(MBEDTLS_USE_PSA_CRYPTO) && defined(PSA_WANT_ALG_SHA_1) )
#define MBEDTLS_USE_PSA_WANT_ALG_SHA_1
#endif
#if ( !defined(MBEDTLS_USE_PSA_CRYPTO) && defined(MBEDTLS_SHA224_C) ) || \
( defined(MBEDTLS_USE_PSA_CRYPTO) && defined(PSA_WANT_ALG_SHA_224) )
#define MBEDTLS_USE_PSA_WANT_ALG_SHA_224
#endif
#if ( !defined(MBEDTLS_USE_PSA_CRYPTO) && defined(MBEDTLS_SHA256_C) ) || \
( defined(MBEDTLS_USE_PSA_CRYPTO) && defined(PSA_WANT_ALG_SHA_256) )
#define MBEDTLS_USE_PSA_WANT_ALG_SHA_256
#endif
#if ( !defined(MBEDTLS_USE_PSA_CRYPTO) && defined(MBEDTLS_SHA384_C) ) || \
( defined(MBEDTLS_USE_PSA_CRYPTO) && defined(PSA_WANT_ALG_SHA_384) )
#define MBEDTLS_USE_PSA_WANT_ALG_SHA_384
#endif
#if ( !defined(MBEDTLS_USE_PSA_CRYPTO) && defined(MBEDTLS_SHA512_C) ) || \
( defined(MBEDTLS_USE_PSA_CRYPTO) && defined(PSA_WANT_ALG_SHA_512) )
#define MBEDTLS_USE_PSA_WANT_ALG_SHA_512
#endif
Add USE_PSA version of PK test functions While at it, also fix buffer size for functions that already depend on USE_PSA: it should be PSA_HASH_MAX_SIZE for functions that always use PSA, and the new macro MBEDTLS_USE_PSA_MD_MAX_SIZE for functions that use it or not depending on USE_PSA. The only case where MBEDTLS_MD_MAX_SIZE is OK is when the function always uses MD - currently this is the case with pk_sign_verify_restart() as it is incompatible with USE_PSA anyway. Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
2022-07-08 10:33:44 +02:00
/* Hash information */
#if defined(MBEDTLS_USE_PSA_CRYPTO)
#define MBEDTLS_USE_PSA_MD_MAX_SIZE PSA_HASH_MAX_SIZE
#else
#define MBEDTLS_USE_PSA_MD_MAX_SIZE MBEDTLS_MD_MAX_SIZE
#endif
Add helper macros for dependencies based on USE_PSA For now in an internal header as it's the safest option and that way we can change whenever we want. Later on if we think the macros can be useful to applications as well then we can move them to a public location. Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
2022-07-07 12:17:55 +02:00
#endif /* MBEDTLS_USE_PSA_HELPERS_H */
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