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104 lines
3.6 KiB
C
104 lines
3.6 KiB
C
/**
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* \file psa/crypto_platform.h
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*
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* \brief PSA cryptography module: Mbed TLS platform definitions
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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 contains platform-dependent type definitions.
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*
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* In implementations with isolation between the application and the
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* cryptography module, implementers should take care to ensure that
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* the definitions that are exposed to applications match what the
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* module implements.
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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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#ifndef PSA_CRYPTO_PLATFORM_H
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#define PSA_CRYPTO_PLATFORM_H
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#include "mbedtls/private_access.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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#include "mbedtls/build_info.h"
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/* Translate between classic MBEDTLS_xxx feature symbols and PSA_xxx
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* feature symbols. */
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#include "mbedtls/config_psa.h"
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/* PSA requires several types which C99 provides in stdint.h. */
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#include <stdint.h>
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#if defined(MBEDTLS_PSA_CRYPTO_KEY_ID_ENCODES_OWNER)
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/* Building for the PSA Crypto service on a PSA platform, a key owner is a PSA
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* partition identifier.
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*
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* The function psa_its_identifier_of_slot() in psa_crypto_storage.c that
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* translates a key identifier to a key storage file name assumes that
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* mbedtls_key_owner_id_t is a 32-bit integer. This function thus needs
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* reworking if mbedtls_key_owner_id_t is not defined as a 32-bit integer
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* here anymore.
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*/
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typedef int32_t mbedtls_key_owner_id_t;
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/** Compare two key owner identifiers.
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*
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* \param id1 First key owner identifier.
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* \param id2 Second key owner identifier.
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*
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* \return Non-zero if the two key owner identifiers are equal, zero otherwise.
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*/
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static inline int mbedtls_key_owner_id_equal( mbedtls_key_owner_id_t id1,
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mbedtls_key_owner_id_t id2 )
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{
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return( id1 == id2 );
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}
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#endif /* MBEDTLS_PSA_CRYPTO_KEY_ID_ENCODES_OWNER */
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/*
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* When MBEDTLS_PSA_CRYPTO_SPM is defined, the code is being built for SPM
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* (Secure Partition Manager) integration which separates the code into two
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* parts: NSPE (Non-Secure Processing Environment) and SPE (Secure Processing
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* Environment). When building for the SPE, an additional header file should be
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* included.
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*/
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#if defined(MBEDTLS_PSA_CRYPTO_SPM)
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#define PSA_CRYPTO_SECURE 1
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#include "crypto_spe.h"
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#endif // MBEDTLS_PSA_CRYPTO_SPM
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#if defined(MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG)
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/** The type of the context passed to mbedtls_psa_external_get_random().
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*
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* Mbed TLS initializes the context to all-bits-zero before calling
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* mbedtls_psa_external_get_random() for the first time.
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*
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* The definition of this type in the Mbed TLS source code is for
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* demonstration purposes. Implementers of mbedtls_psa_external_get_random()
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* are expected to replace it with a custom definition.
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*/
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typedef struct {
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uintptr_t MBEDTLS_PRIVATE(opaque)[2];
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} mbedtls_psa_external_random_context_t;
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#endif /* MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG */
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#endif /* PSA_CRYPTO_PLATFORM_H */
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