110 lines
3.9 KiB
C
110 lines
3.9 KiB
C
/*
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* Context structure declaration of the Mbed TLS software-based PSA drivers
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* called through the PSA Crypto driver dispatch layer.
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* This file contains the context structures of those algorithms which need to
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* rely on other algorithms, i.e. are 'composite' algorithms.
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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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* \note This header and its content is not part of the Mbed TLS API and
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* applications must not depend on it. Its main purpose is to define the
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* multi-part state objects of the Mbed TLS software-based PSA drivers. The
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* definition of these objects are then used by crypto_struct.h to define the
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* implementation-defined types of PSA multi-part state objects.
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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_BUILTIN_COMPOSITES_H
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#define PSA_CRYPTO_BUILTIN_COMPOSITES_H
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#include "mbedtls/private_access.h"
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#include <psa/crypto_driver_common.h>
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/*
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* MAC multi-part operation definitions.
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*/
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#if defined(MBEDTLS_PSA_BUILTIN_ALG_CMAC) || \
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defined(MBEDTLS_PSA_BUILTIN_ALG_HMAC)
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#define MBEDTLS_PSA_BUILTIN_MAC
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#endif
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#if defined(MBEDTLS_PSA_BUILTIN_ALG_HMAC) || defined(PSA_CRYPTO_DRIVER_TEST)
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typedef struct {
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/** The HMAC algorithm in use */
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psa_algorithm_t MBEDTLS_PRIVATE(alg);
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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 MBEDTLS_PRIVATE(opad)[PSA_HMAC_MAX_HASH_BLOCK_SIZE];
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} mbedtls_psa_hmac_operation_t;
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#define MBEDTLS_PSA_HMAC_OPERATION_INIT { 0, PSA_HASH_OPERATION_INIT, { 0 } }
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#endif /* MBEDTLS_PSA_BUILTIN_ALG_HMAC */
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#include "mbedtls/cmac.h"
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typedef struct {
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psa_algorithm_t MBEDTLS_PRIVATE(alg);
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union {
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unsigned MBEDTLS_PRIVATE(dummy); /* Make the union non-empty even with no supported algorithms. */
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#if defined(MBEDTLS_PSA_BUILTIN_ALG_HMAC) || defined(PSA_CRYPTO_DRIVER_TEST)
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mbedtls_psa_hmac_operation_t MBEDTLS_PRIVATE(hmac);
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#endif /* MBEDTLS_PSA_BUILTIN_ALG_HMAC */
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#if defined(MBEDTLS_PSA_BUILTIN_ALG_CMAC) || defined(PSA_CRYPTO_DRIVER_TEST)
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mbedtls_cipher_context_t MBEDTLS_PRIVATE(cmac);
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#endif /* MBEDTLS_PSA_BUILTIN_ALG_CMAC */
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} MBEDTLS_PRIVATE(ctx);
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} mbedtls_psa_mac_operation_t;
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#define MBEDTLS_PSA_MAC_OPERATION_INIT { 0, { 0 } }
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#if defined(MBEDTLS_PSA_BUILTIN_ALG_GCM) || \
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defined(MBEDTLS_PSA_BUILTIN_ALG_CCM) || \
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defined(MBEDTLS_PSA_BUILTIN_ALG_CHACHA20_POLY1305)
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#define MBEDTLS_PSA_BUILTIN_AEAD 1
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#endif
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/* Context structure for the Mbed TLS AEAD implementation. */
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typedef struct {
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psa_algorithm_t MBEDTLS_PRIVATE(alg);
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psa_key_type_t MBEDTLS_PRIVATE(key_type);
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unsigned int MBEDTLS_PRIVATE(is_encrypt) : 1;
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uint8_t MBEDTLS_PRIVATE(tag_length);
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union {
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unsigned dummy; /* Enable easier initializing of the union. */
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#if defined(MBEDTLS_PSA_BUILTIN_ALG_CCM)
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mbedtls_ccm_context MBEDTLS_PRIVATE(ccm);
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#endif /* MBEDTLS_PSA_BUILTIN_ALG_CCM */
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#if defined(MBEDTLS_PSA_BUILTIN_ALG_GCM)
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mbedtls_gcm_context MBEDTLS_PRIVATE(gcm);
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#endif /* MBEDTLS_PSA_BUILTIN_ALG_GCM */
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#if defined(MBEDTLS_PSA_BUILTIN_ALG_CHACHA20_POLY1305)
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mbedtls_chachapoly_context MBEDTLS_PRIVATE(chachapoly);
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#endif /* MBEDTLS_PSA_BUILTIN_ALG_CHACHA20_POLY1305 */
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} ctx;
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} mbedtls_psa_aead_operation_t;
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#define MBEDTLS_PSA_AEAD_OPERATION_INIT { 0, 0, 0, 0, { 0 } }
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#endif /* PSA_CRYPTO_BUILTIN_COMPOSITES_H */
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