mirror of
https://github.com/yuzu-emu/mbedtls.git
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79 lines
2.3 KiB
C
79 lines
2.3 KiB
C
/**
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* \file psa/crypto_extra.h
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*
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* \brief PSA cryptography module: Mbed TLS vendor extensions
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*
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* \note This file may not be included directly. Applications must
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* include psa/crypto.h.
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*
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* This file is reserved for vendor-specific definitions.
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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_EXTRA_H
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#define PSA_CRYPTO_EXTRA_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* UID for secure storage seed */
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#define MBED_RANDOM_SEED_ITS_UID 0xFFFFFF52
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/**
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* \brief Library deinitialization.
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*
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* This function clears all data associated with the PSA layer,
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* including the whole key store.
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*
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* This is an Mbed TLS extension.
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*/
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void mbedtls_psa_crypto_free( void );
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#if ( defined(MBEDTLS_ENTROPY_NV_SEED) && defined(MBEDTLS_PSA_HAS_ITS_IO) )
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/**
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* \brief Inject initial entropy seed into persistent storage for random capabilities.
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*
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* \warning This function **can** fail! Callers MUST check the return status.
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*
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* \note To use this function both mbedtls_nv_seed_read and mbedtls_nv_seed_write
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* must be defined.
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*
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* \param seed[in] Buffer storing the seed value to inject.
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* \param seed_size[in] Size of the \p seed buffer. The minimum size of the seed is MBEDTLS_ENTROPY_MIN_PLATFORM
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*
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* \retval #PSA_SUCCESS
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* \retval #PSA_ERROR_INVALID_ARGUMENT
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* \retval #PSA_ERROR_STORAGE_FAILURE
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* \retval #PSA_ERROR_NOT_PERMITTED
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* \retval #PSA_ERROR_BAD_STATE
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*/
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psa_status_t mbedtls_psa_inject_entropy(const unsigned char *seed,
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size_t seed_size);
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* PSA_CRYPTO_EXTRA_H */
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