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91 lines
3.3 KiB
C
91 lines
3.3 KiB
C
/** \file platform_builtin_keys.c
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*
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* \brief Test driver implementation of the builtin key support
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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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#include <test/helpers.h>
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#include <psa/crypto.h>
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#include <psa/crypto_extra.h>
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#if defined(PSA_CRYPTO_DRIVER_TEST)
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#include <test/drivers/test_driver.h>
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#endif
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typedef struct {
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psa_key_id_t builtin_key_id;
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psa_key_lifetime_t lifetime;
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psa_drv_slot_number_t slot_number;
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} mbedtls_psa_builtin_key_description_t;
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static const mbedtls_psa_builtin_key_description_t builtin_keys[] = {
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#if defined(PSA_CRYPTO_DRIVER_TEST)
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/* For testing, assign the AES builtin key slot to the boundary values.
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* ECDSA can be exercised on key ID MBEDTLS_PSA_KEY_ID_BUILTIN_MIN + 1. */
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{ MBEDTLS_PSA_KEY_ID_BUILTIN_MIN - 1,
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PSA_KEY_LIFETIME_FROM_PERSISTENCE_AND_LOCATION(
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PSA_KEY_PERSISTENCE_READ_ONLY, PSA_CRYPTO_TEST_DRIVER_LOCATION),
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PSA_CRYPTO_TEST_DRIVER_BUILTIN_AES_KEY_SLOT },
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{ MBEDTLS_PSA_KEY_ID_BUILTIN_MIN,
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PSA_KEY_LIFETIME_FROM_PERSISTENCE_AND_LOCATION(
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PSA_KEY_PERSISTENCE_READ_ONLY, PSA_CRYPTO_TEST_DRIVER_LOCATION),
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PSA_CRYPTO_TEST_DRIVER_BUILTIN_AES_KEY_SLOT },
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{ MBEDTLS_PSA_KEY_ID_BUILTIN_MIN + 1,
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PSA_KEY_LIFETIME_FROM_PERSISTENCE_AND_LOCATION(
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PSA_KEY_PERSISTENCE_READ_ONLY, PSA_CRYPTO_TEST_DRIVER_LOCATION),
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PSA_CRYPTO_TEST_DRIVER_BUILTIN_ECDSA_KEY_SLOT },
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{ MBEDTLS_PSA_KEY_ID_BUILTIN_MAX - 1,
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PSA_KEY_LIFETIME_FROM_PERSISTENCE_AND_LOCATION(
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PSA_KEY_PERSISTENCE_READ_ONLY, PSA_CRYPTO_TEST_DRIVER_LOCATION),
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PSA_CRYPTO_TEST_DRIVER_BUILTIN_AES_KEY_SLOT },
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{ MBEDTLS_PSA_KEY_ID_BUILTIN_MAX,
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PSA_KEY_LIFETIME_FROM_PERSISTENCE_AND_LOCATION(
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PSA_KEY_PERSISTENCE_READ_ONLY, PSA_CRYPTO_TEST_DRIVER_LOCATION),
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PSA_CRYPTO_TEST_DRIVER_BUILTIN_AES_KEY_SLOT },
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{ MBEDTLS_PSA_KEY_ID_BUILTIN_MAX + 1,
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PSA_KEY_LIFETIME_FROM_PERSISTENCE_AND_LOCATION(
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PSA_KEY_PERSISTENCE_READ_ONLY, PSA_CRYPTO_TEST_DRIVER_LOCATION),
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PSA_CRYPTO_TEST_DRIVER_BUILTIN_AES_KEY_SLOT },
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#else
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{ 0, 0, 0 }
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#endif
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};
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psa_status_t mbedtls_psa_platform_get_builtin_key(
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mbedtls_svc_key_id_t key_id,
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psa_key_lifetime_t *lifetime,
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psa_drv_slot_number_t *slot_number)
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{
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psa_key_id_t app_key_id = MBEDTLS_SVC_KEY_ID_GET_KEY_ID(key_id);
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const mbedtls_psa_builtin_key_description_t *builtin_key;
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for (size_t i = 0;
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i < (sizeof(builtin_keys) / sizeof(builtin_keys[0])); i++) {
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builtin_key = &builtin_keys[i];
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if (builtin_key->builtin_key_id == app_key_id) {
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*lifetime = builtin_key->lifetime;
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*slot_number = builtin_key->slot_number;
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return PSA_SUCCESS;
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}
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}
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return PSA_ERROR_DOES_NOT_EXIST;
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}
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