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d58a00d5b7
Relative include paths should be avoided. The build system will determine where to pull in includes from. Specifically, `#include "../mbedtls/config.h"` shouldn't be used. Use `#include "mbedtls/config.h` instead, so that the submodule-building makefiles can change which directory to use to get mbedtls include files from. Fixes #141
242 lines
6.3 KiB
C
242 lines
6.3 KiB
C
/**
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* \file psa/crypto_struct.h
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*
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* \brief PSA cryptography module: Mbed TLS structured type implementations
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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 the definitions of some data structures with
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* implementation-specific definitions.
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*
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* In implementations with isolation between the application and the
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* cryptography module, it is expected that the front-end and the back-end
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* would have different versions of this file.
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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_STRUCT_H
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#define PSA_CRYPTO_STRUCT_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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#include "mbedtls/cipher.h"
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#include "mbedtls/cmac.h"
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#include "mbedtls/gcm.h"
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#include "mbedtls/md.h"
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#include "mbedtls/md2.h"
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#include "mbedtls/md4.h"
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#include "mbedtls/md5.h"
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#include "mbedtls/ripemd160.h"
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#include "mbedtls/sha1.h"
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#include "mbedtls/sha256.h"
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#include "mbedtls/sha512.h"
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struct psa_hash_operation_s
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{
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psa_algorithm_t alg;
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union
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{
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unsigned dummy; /* Make the union non-empty even with no supported algorithms. */
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#if defined(MBEDTLS_MD2_C)
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mbedtls_md2_context md2;
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#endif
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#if defined(MBEDTLS_MD4_C)
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mbedtls_md4_context md4;
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#endif
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#if defined(MBEDTLS_MD5_C)
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mbedtls_md5_context md5;
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#endif
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#if defined(MBEDTLS_RIPEMD160_C)
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mbedtls_ripemd160_context ripemd160;
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#endif
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#if defined(MBEDTLS_SHA1_C)
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mbedtls_sha1_context sha1;
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#endif
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#if defined(MBEDTLS_SHA256_C)
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mbedtls_sha256_context sha256;
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#endif
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#if defined(MBEDTLS_SHA512_C)
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mbedtls_sha512_context sha512;
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#endif
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} ctx;
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};
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#define PSA_HASH_OPERATION_INIT {0, {0}}
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static inline struct psa_hash_operation_s psa_hash_operation_init( void )
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{
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const struct psa_hash_operation_s v = PSA_HASH_OPERATION_INIT;
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return( v );
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}
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#if defined(MBEDTLS_MD_C)
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typedef struct
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{
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/** The hash context. */
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struct psa_hash_operation_s hash_ctx;
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/** The HMAC part of the context. */
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uint8_t opad[PSA_HMAC_MAX_HASH_BLOCK_SIZE];
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} psa_hmac_internal_data;
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#endif /* MBEDTLS_MD_C */
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struct psa_mac_operation_s
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{
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psa_algorithm_t alg;
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unsigned int key_set : 1;
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unsigned int iv_required : 1;
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unsigned int iv_set : 1;
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unsigned int has_input : 1;
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unsigned int is_sign : 1;
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uint8_t mac_size;
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union
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{
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unsigned dummy; /* Make the union non-empty even with no supported algorithms. */
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#if defined(MBEDTLS_MD_C)
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psa_hmac_internal_data hmac;
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#endif
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#if defined(MBEDTLS_CMAC_C)
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mbedtls_cipher_context_t cmac;
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#endif
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} ctx;
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};
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#define PSA_MAC_OPERATION_INIT {0, 0, 0, 0, 0, 0, 0, {0}}
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static inline struct psa_mac_operation_s psa_mac_operation_init( void )
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{
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const struct psa_mac_operation_s v = PSA_MAC_OPERATION_INIT;
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return( v );
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}
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struct psa_cipher_operation_s
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{
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psa_algorithm_t alg;
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unsigned int key_set : 1;
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unsigned int iv_required : 1;
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unsigned int iv_set : 1;
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uint8_t iv_size;
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uint8_t block_size;
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union
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{
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unsigned dummy; /* Enable easier initializing of the union. */
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mbedtls_cipher_context_t cipher;
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} ctx;
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};
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#define PSA_CIPHER_OPERATION_INIT {0, 0, 0, 0, 0, 0, {0}}
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static inline struct psa_cipher_operation_s psa_cipher_operation_init( void )
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{
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const struct psa_cipher_operation_s v = PSA_CIPHER_OPERATION_INIT;
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return( v );
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}
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#if defined(MBEDTLS_MD_C)
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typedef struct
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{
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uint8_t *info;
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size_t info_length;
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psa_hmac_internal_data hmac;
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uint8_t prk[PSA_HASH_MAX_SIZE];
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uint8_t output_block[PSA_HASH_MAX_SIZE];
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#if PSA_HASH_MAX_SIZE > 0xff
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#error "PSA_HASH_MAX_SIZE does not fit in uint8_t"
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#endif
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uint8_t offset_in_block;
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uint8_t block_number;
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} psa_hkdf_generator_t;
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#endif /* MBEDTLS_MD_C */
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#if defined(MBEDTLS_MD_C)
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typedef struct psa_tls12_prf_generator_s
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{
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/* The TLS 1.2 PRF uses the key for each HMAC iteration,
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* hence we must store it for the lifetime of the generator.
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* This is different from HKDF, where the key is only used
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* in the extraction phase, but not during expansion. */
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unsigned char *key;
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size_t key_len;
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/* `A(i) + seed` in the notation of RFC 5246, Sect. 5 */
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uint8_t *Ai_with_seed;
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size_t Ai_with_seed_len;
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/* `HMAC_hash( prk, A(i) + seed )` in the notation of RFC 5246, Sect. 5. */
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uint8_t output_block[PSA_HASH_MAX_SIZE];
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#if PSA_HASH_MAX_SIZE > 0xff
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#error "PSA_HASH_MAX_SIZE does not fit in uint8_t"
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#endif
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/* Indicates how many bytes in the current HMAC block have
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* already been read by the user. */
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uint8_t offset_in_block;
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/* The 1-based number of the block. */
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uint8_t block_number;
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} psa_tls12_prf_generator_t;
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#endif /* MBEDTLS_MD_C */
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struct psa_crypto_generator_s
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{
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psa_algorithm_t alg;
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size_t capacity;
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union
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{
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struct
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{
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uint8_t *data;
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size_t size;
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} buffer;
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#if defined(MBEDTLS_MD_C)
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psa_hkdf_generator_t hkdf;
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psa_tls12_prf_generator_t tls12_prf;
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#endif
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} ctx;
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};
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#define PSA_CRYPTO_GENERATOR_INIT {0, 0, {{0, 0}}}
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static inline struct psa_crypto_generator_s psa_crypto_generator_init( void )
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{
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const struct psa_crypto_generator_s v = PSA_CRYPTO_GENERATOR_INIT;
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return( v );
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}
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struct psa_key_policy_s
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{
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psa_key_usage_t usage;
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psa_algorithm_t alg;
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psa_algorithm_t alg2;
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};
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#define PSA_KEY_POLICY_INIT {0, 0, 0}
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static inline struct psa_key_policy_s psa_key_policy_init( void )
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{
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const struct psa_key_policy_s v = PSA_KEY_POLICY_INIT;
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return( v );
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}
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#endif /* PSA_CRYPTO_STRUCT_H */
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