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51 lines
1.6 KiB
C
51 lines
1.6 KiB
C
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/**
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* \file psa/crypto_sizes.h
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*
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* \brief PSA cryptography module: Mbed TLS buffer size macros
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*
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* This file contains the definitions of macros that are useful to
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* compute buffer sizes. The signatures and semantics of these macros
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* are standardized, but the definitions are not, because they depend on
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* the available algorithms and, in some cases, on permitted tolerances
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* on buffer sizes.
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*/
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/*
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* Copyright (C) 2018, ARM Limited, All Rights Reserved
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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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* This file is part of mbed TLS (https://tls.mbed.org)
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*/
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#ifndef PSA_CRYPTO_SIZES_H
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#define PSA_CRYPTO_SIZES_H
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/* Include the Mbed TLS configuration file, the way Mbed TLS does it
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* in each of its header files. */
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#if !defined(MBEDTLS_CONFIG_FILE)
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#include "../mbedtls/config.h"
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#else
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#include MBEDTLS_CONFIG_FILE
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#endif
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#if defined(MBEDTLS_SHA512_C)
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#define PSA_HASH_MAX_SIZE 64
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#define PSA_HMAC_MAX_HASH_BLOCK_SIZE 128
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#else
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#define PSA_HASH_MAX_SIZE 32
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#define PSA_HMAC_MAX_HASH_BLOCK_SIZE 64
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#endif
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#endif /* PSA_CRYPTO_SIZES_H */
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