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https://github.com/RfidResearchGroup/proxmark3.git
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1016 lines
41 KiB
C
1016 lines
41 KiB
C
/*
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* Functions to delegate cryptographic operations to an available
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* and appropriate accelerator.
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* Warning: This file will be auto-generated in the future.
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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 "psa_crypto_core.h"
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#include "psa_crypto_driver_wrappers.h"
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#include "mbedtls/platform.h"
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#if defined(MBEDTLS_PSA_CRYPTO_DRIVERS)
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/* Include test driver definition when running tests */
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#if defined(PSA_CRYPTO_DRIVER_TEST)
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#ifndef PSA_CRYPTO_DRIVER_PRESENT
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#define PSA_CRYPTO_DRIVER_PRESENT
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#endif
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#ifndef PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT
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#define PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT
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#endif
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#include "test/drivers/test_driver.h"
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#endif /* PSA_CRYPTO_DRIVER_TEST */
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/* Repeat above block for each JSON-declared driver during autogeneration */
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/* Auto-generated values depending on which drivers are registered. ID 0 is
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* reserved for unallocated operations. */
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#if defined(PSA_CRYPTO_DRIVER_TEST)
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#define PSA_CRYPTO_TRANSPARENT_TEST_DRIVER_ID (1)
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#define PSA_CRYPTO_OPAQUE_TEST_DRIVER_ID (2)
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#endif /* PSA_CRYPTO_DRIVER_TEST */
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#endif /* MBEDTLS_PSA_CRYPTO_DRIVERS */
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/* Support the 'old' SE interface when asked to */
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#if defined(MBEDTLS_PSA_CRYPTO_SE_C)
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/* PSA_CRYPTO_DRIVER_PRESENT is defined when either a new-style or old-style
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* SE driver is present, to avoid unused argument errors at compile time. */
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#ifndef PSA_CRYPTO_DRIVER_PRESENT
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#define PSA_CRYPTO_DRIVER_PRESENT
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#endif
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#include "psa_crypto_se.h"
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#endif
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/* Start delegation functions */
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psa_status_t psa_driver_wrapper_sign_hash(
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const psa_key_attributes_t *attributes,
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const uint8_t *key_buffer, size_t key_buffer_size,
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psa_algorithm_t alg, const uint8_t *hash, size_t hash_length,
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uint8_t *signature, size_t signature_size, size_t *signature_length) {
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/* Try dynamically-registered SE interface first */
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#if defined(MBEDTLS_PSA_CRYPTO_SE_C)
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const psa_drv_se_t *drv;
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psa_drv_se_context_t *drv_context;
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if (psa_get_se_driver(attributes->core.lifetime, &drv, &drv_context)) {
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if (drv->asymmetric == NULL ||
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drv->asymmetric->p_sign == NULL) {
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/* Key is defined in SE, but we have no way to exercise it */
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return (PSA_ERROR_NOT_SUPPORTED);
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}
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return (drv->asymmetric->p_sign(
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drv_context, *((psa_key_slot_number_t *)key_buffer),
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alg, hash, hash_length,
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signature, signature_size, signature_length));
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}
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#endif /* PSA_CRYPTO_SE_C */
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psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
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psa_key_location_t location =
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PSA_KEY_LIFETIME_GET_LOCATION(attributes->core.lifetime);
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switch (location) {
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case PSA_KEY_LOCATION_LOCAL_STORAGE:
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/* Key is stored in the slot in export representation, so
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* cycle through all known transparent accelerators */
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#if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
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#if defined(PSA_CRYPTO_DRIVER_TEST)
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status = test_transparent_signature_sign_hash(attributes,
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key_buffer,
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key_buffer_size,
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alg,
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hash,
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hash_length,
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signature,
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signature_size,
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signature_length);
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/* Declared with fallback == true */
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if (status != PSA_ERROR_NOT_SUPPORTED)
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return (status);
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#endif /* PSA_CRYPTO_DRIVER_TEST */
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#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
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/* Fell through, meaning no accelerator supports this operation */
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return (psa_sign_hash_internal(attributes,
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key_buffer,
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key_buffer_size,
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alg,
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hash,
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hash_length,
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signature,
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signature_size,
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signature_length));
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/* Add cases for opaque driver here */
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#if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
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#if defined(PSA_CRYPTO_DRIVER_TEST)
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case PSA_CRYPTO_TEST_DRIVER_LIFETIME:
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return (test_opaque_signature_sign_hash(attributes,
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key_buffer,
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key_buffer_size,
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alg,
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hash,
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hash_length,
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signature,
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signature_size,
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signature_length));
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#endif /* PSA_CRYPTO_DRIVER_TEST */
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#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
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default:
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/* Key is declared with a lifetime not known to us */
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(void)status;
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return (PSA_ERROR_INVALID_ARGUMENT);
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}
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}
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psa_status_t psa_driver_wrapper_verify_hash(
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const psa_key_attributes_t *attributes,
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const uint8_t *key_buffer, size_t key_buffer_size,
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psa_algorithm_t alg, const uint8_t *hash, size_t hash_length,
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const uint8_t *signature, size_t signature_length) {
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/* Try dynamically-registered SE interface first */
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#if defined(MBEDTLS_PSA_CRYPTO_SE_C)
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const psa_drv_se_t *drv;
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psa_drv_se_context_t *drv_context;
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if (psa_get_se_driver(attributes->core.lifetime, &drv, &drv_context)) {
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if (drv->asymmetric == NULL ||
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drv->asymmetric->p_verify == NULL) {
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/* Key is defined in SE, but we have no way to exercise it */
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return (PSA_ERROR_NOT_SUPPORTED);
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}
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return (drv->asymmetric->p_verify(
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drv_context, *((psa_key_slot_number_t *)key_buffer),
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alg, hash, hash_length,
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signature, signature_length));
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}
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#endif /* PSA_CRYPTO_SE_C */
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psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
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psa_key_location_t location =
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PSA_KEY_LIFETIME_GET_LOCATION(attributes->core.lifetime);
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switch (location) {
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case PSA_KEY_LOCATION_LOCAL_STORAGE:
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/* Key is stored in the slot in export representation, so
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* cycle through all known transparent accelerators */
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#if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
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#if defined(PSA_CRYPTO_DRIVER_TEST)
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status = test_transparent_signature_verify_hash(attributes,
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key_buffer,
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key_buffer_size,
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alg,
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hash,
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hash_length,
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signature,
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signature_length);
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/* Declared with fallback == true */
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if (status != PSA_ERROR_NOT_SUPPORTED)
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return (status);
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#endif /* PSA_CRYPTO_DRIVER_TEST */
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#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
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return (psa_verify_hash_internal(attributes,
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key_buffer,
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key_buffer_size,
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alg,
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hash,
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hash_length,
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signature,
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signature_length));
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/* Add cases for opaque driver here */
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#if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
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#if defined(PSA_CRYPTO_DRIVER_TEST)
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case PSA_CRYPTO_TEST_DRIVER_LIFETIME:
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return (test_opaque_signature_verify_hash(attributes,
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key_buffer,
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key_buffer_size,
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alg,
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hash,
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hash_length,
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signature,
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signature_length));
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#endif /* PSA_CRYPTO_DRIVER_TEST */
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#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
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default:
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/* Key is declared with a lifetime not known to us */
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(void)status;
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return (PSA_ERROR_INVALID_ARGUMENT);
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}
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}
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/** Get the key buffer size for the key material of a generated key in the
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* case of an opaque driver without storage.
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*
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* \param[in] attributes The key attributes.
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* \param[out] key_buffer_size Minimum buffer size to contain the key material
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*
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* \retval #PSA_SUCCESS
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* The minimum size for a buffer to contain the key material has been
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* returned successfully.
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* \retval #PSA_ERROR_INVALID_ARGUMENT
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* The size in bits of the key is not valid.
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* \retval #PSA_ERROR_NOT_SUPPORTED
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* The type and/or the size in bits of the key or the combination of
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* the two is not supported.
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*/
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psa_status_t psa_driver_wrapper_get_key_buffer_size(
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const psa_key_attributes_t *attributes,
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size_t *key_buffer_size) {
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psa_key_location_t location = PSA_KEY_LIFETIME_GET_LOCATION(attributes->core.lifetime);
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psa_key_type_t key_type = attributes->core.type;
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size_t key_bits = attributes->core.bits;
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*key_buffer_size = 0;
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switch (location) {
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#if defined(PSA_CRYPTO_DRIVER_TEST)
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case PSA_CRYPTO_TEST_DRIVER_LIFETIME:
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#ifdef TEST_DRIVER_KEY_CONTEXT_SIZE_FUNCTION
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*key_buffer_size = test_size_function(key_type, key_bits);
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return (PSA_SUCCESS);
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#else /* TEST_DRIVER_KEY_CONTEXT_SIZE_FUNCTION */
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if (PSA_KEY_TYPE_IS_KEY_PAIR(key_type)) {
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int public_key_overhead =
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((TEST_DRIVER_KEY_CONTEXT_STORE_PUBLIC_KEY == 1) ?
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PSA_EXPORT_KEY_OUTPUT_SIZE(key_type, key_bits) : 0);
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*key_buffer_size = TEST_DRIVER_KEY_CONTEXT_BASE_SIZE
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+ TEST_DRIVER_KEY_CONTEXT_PUBLIC_KEY_SIZE
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+ public_key_overhead;
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} else if (PSA_KEY_TYPE_IS_PUBLIC_KEY(key_type)) {
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*key_buffer_size = TEST_DRIVER_KEY_CONTEXT_BASE_SIZE
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+ TEST_DRIVER_KEY_CONTEXT_PUBLIC_KEY_SIZE;
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} else if (!PSA_KEY_TYPE_IS_KEY_PAIR(key_type) &&
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!PSA_KEY_TYPE_IS_PUBLIC_KEY(key_type)) {
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*key_buffer_size = TEST_DRIVER_KEY_CONTEXT_BASE_SIZE
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+ TEST_DRIVER_KEY_CONTEXT_SYMMETRIC_FACTOR
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* ((key_bits + 7) / 8);
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} else {
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return (PSA_ERROR_NOT_SUPPORTED);
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}
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return (PSA_SUCCESS);
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#endif /* TEST_DRIVER_KEY_CONTEXT_SIZE_FUNCTION */
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#endif /* PSA_CRYPTO_DRIVER_TEST */
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default:
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(void)key_type;
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(void)key_bits;
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return (PSA_ERROR_NOT_SUPPORTED);
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}
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}
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psa_status_t psa_driver_wrapper_generate_key(
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const psa_key_attributes_t *attributes,
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uint8_t *key_buffer, size_t key_buffer_size, size_t *key_buffer_length) {
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psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
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psa_key_location_t location =
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PSA_KEY_LIFETIME_GET_LOCATION(attributes->core.lifetime);
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/* Try dynamically-registered SE interface first */
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#if defined(MBEDTLS_PSA_CRYPTO_SE_C)
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const psa_drv_se_t *drv;
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psa_drv_se_context_t *drv_context;
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if (psa_get_se_driver(attributes->core.lifetime, &drv, &drv_context)) {
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size_t pubkey_length = 0; /* We don't support this feature yet */
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if (drv->key_management == NULL ||
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drv->key_management->p_generate == NULL) {
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/* Key is defined as being in SE, but we have no way to generate it */
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return (PSA_ERROR_NOT_SUPPORTED);
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}
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return (drv->key_management->p_generate(
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drv_context,
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*((psa_key_slot_number_t *)key_buffer),
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attributes, NULL, 0, &pubkey_length));
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}
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#endif /* MBEDTLS_PSA_CRYPTO_SE_C */
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switch (location) {
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case PSA_KEY_LOCATION_LOCAL_STORAGE:
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#if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
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/* Transparent drivers are limited to generating asymmetric keys */
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if (PSA_KEY_TYPE_IS_ASYMMETRIC(attributes->core.type)) {
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/* Cycle through all known transparent accelerators */
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#if defined(PSA_CRYPTO_DRIVER_TEST)
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status = test_transparent_generate_key(
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attributes, key_buffer, key_buffer_size,
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key_buffer_length);
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/* Declared with fallback == true */
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if (status != PSA_ERROR_NOT_SUPPORTED)
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break;
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#endif /* PSA_CRYPTO_DRIVER_TEST */
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}
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#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
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/* Software fallback */
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status = psa_generate_key_internal(
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attributes, key_buffer, key_buffer_size, key_buffer_length);
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break;
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/* Add cases for opaque driver here */
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#if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
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#if defined(PSA_CRYPTO_DRIVER_TEST)
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case PSA_CRYPTO_TEST_DRIVER_LIFETIME:
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status = test_opaque_generate_key(
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attributes, key_buffer, key_buffer_size, key_buffer_length);
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break;
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#endif /* PSA_CRYPTO_DRIVER_TEST */
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#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
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default:
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/* Key is declared with a lifetime not known to us */
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status = PSA_ERROR_INVALID_ARGUMENT;
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break;
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}
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return (status);
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}
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psa_status_t psa_driver_wrapper_import_key(
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const psa_key_attributes_t *attributes,
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const uint8_t *data,
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size_t data_length,
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uint8_t *key_buffer,
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size_t key_buffer_size,
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size_t *key_buffer_length,
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size_t *bits) {
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psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
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psa_key_location_t location = PSA_KEY_LIFETIME_GET_LOCATION(
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psa_get_key_lifetime(attributes));
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/* Try dynamically-registered SE interface first */
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#if defined(MBEDTLS_PSA_CRYPTO_SE_C)
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const psa_drv_se_t *drv;
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psa_drv_se_context_t *drv_context;
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if (psa_get_se_driver(attributes->core.lifetime, &drv, &drv_context)) {
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if (drv->key_management == NULL ||
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drv->key_management->p_import == NULL)
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return (PSA_ERROR_NOT_SUPPORTED);
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/* The driver should set the number of key bits, however in
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* case it doesn't, we initialize bits to an invalid value. */
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*bits = PSA_MAX_KEY_BITS + 1;
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status = drv->key_management->p_import(
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drv_context,
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*((psa_key_slot_number_t *)key_buffer),
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attributes, data, data_length, bits);
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if (status != PSA_SUCCESS)
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return (status);
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if ((*bits) > PSA_MAX_KEY_BITS)
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return (PSA_ERROR_NOT_SUPPORTED);
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return (PSA_SUCCESS);
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}
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#endif /* PSA_CRYPTO_SE_C */
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switch (location) {
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case PSA_KEY_LOCATION_LOCAL_STORAGE:
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/* Key is stored in the slot in export representation, so
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* cycle through all known transparent accelerators */
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#if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
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#if defined(PSA_CRYPTO_DRIVER_TEST)
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status = test_transparent_import_key(attributes,
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data, data_length,
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key_buffer, key_buffer_size,
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key_buffer_length, bits);
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/* Declared with fallback == true */
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if (status != PSA_ERROR_NOT_SUPPORTED)
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return (status);
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#endif /* PSA_CRYPTO_DRIVER_TEST */
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#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
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/* Fell through, meaning no accelerator supports this operation */
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return (psa_import_key_into_slot(attributes,
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data, data_length,
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key_buffer, key_buffer_size,
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key_buffer_length, bits));
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default:
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/* Importing a key with external storage in not yet supported.
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* Return in error indicating that the lifetime is not valid. */
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(void)status;
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return (PSA_ERROR_INVALID_ARGUMENT);
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}
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}
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psa_status_t psa_driver_wrapper_export_key(
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const psa_key_attributes_t *attributes,
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const uint8_t *key_buffer, size_t key_buffer_size,
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uint8_t *data, size_t data_size, size_t *data_length)
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{
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psa_status_t status = PSA_ERROR_INVALID_ARGUMENT;
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psa_key_location_t location = PSA_KEY_LIFETIME_GET_LOCATION(
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psa_get_key_lifetime(attributes));
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/* Try dynamically-registered SE interface first */
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#if defined(MBEDTLS_PSA_CRYPTO_SE_C)
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const psa_drv_se_t *drv;
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psa_drv_se_context_t *drv_context;
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if (psa_get_se_driver(attributes->core.lifetime, &drv, &drv_context)) {
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if ((drv->key_management == NULL) ||
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(drv->key_management->p_export == NULL)) {
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return (PSA_ERROR_NOT_SUPPORTED);
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}
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return (drv->key_management->p_export(
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drv_context,
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*((psa_key_slot_number_t *)key_buffer),
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data, data_size, data_length));
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}
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#endif /* PSA_CRYPTO_SE_C */
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switch (location) {
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case PSA_KEY_LOCATION_LOCAL_STORAGE:
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return (psa_export_key_internal(attributes,
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key_buffer,
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key_buffer_size,
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data,
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data_size,
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data_length));
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/* Add cases for opaque driver here */
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#if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
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#if defined(PSA_CRYPTO_DRIVER_TEST)
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case PSA_CRYPTO_TEST_DRIVER_LIFETIME:
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return (test_opaque_export_key(attributes,
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key_buffer,
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key_buffer_size,
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data,
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data_size,
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data_length));
|
|
#endif /* PSA_CRYPTO_DRIVER_TEST */
|
|
#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
|
|
default:
|
|
/* Key is declared with a lifetime not known to us */
|
|
return (status);
|
|
}
|
|
}
|
|
|
|
psa_status_t psa_driver_wrapper_export_public_key(
|
|
const psa_key_attributes_t *attributes,
|
|
const uint8_t *key_buffer, size_t key_buffer_size,
|
|
uint8_t *data, size_t data_size, size_t *data_length)
|
|
|
|
{
|
|
psa_status_t status = PSA_ERROR_INVALID_ARGUMENT;
|
|
psa_key_location_t location = PSA_KEY_LIFETIME_GET_LOCATION(
|
|
psa_get_key_lifetime(attributes));
|
|
|
|
/* Try dynamically-registered SE interface first */
|
|
#if defined(MBEDTLS_PSA_CRYPTO_SE_C)
|
|
const psa_drv_se_t *drv;
|
|
psa_drv_se_context_t *drv_context;
|
|
|
|
if (psa_get_se_driver(attributes->core.lifetime, &drv, &drv_context)) {
|
|
if ((drv->key_management == NULL) ||
|
|
(drv->key_management->p_export_public == NULL)) {
|
|
return (PSA_ERROR_NOT_SUPPORTED);
|
|
}
|
|
|
|
return (drv->key_management->p_export_public(
|
|
drv_context,
|
|
*((psa_key_slot_number_t *)key_buffer),
|
|
data, data_size, data_length));
|
|
}
|
|
#endif /* MBEDTLS_PSA_CRYPTO_SE_C */
|
|
|
|
switch (location) {
|
|
case PSA_KEY_LOCATION_LOCAL_STORAGE:
|
|
/* Key is stored in the slot in export representation, so
|
|
* cycle through all known transparent accelerators */
|
|
#if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
|
|
#if defined(PSA_CRYPTO_DRIVER_TEST)
|
|
status = test_transparent_export_public_key(attributes,
|
|
key_buffer,
|
|
key_buffer_size,
|
|
data,
|
|
data_size,
|
|
data_length);
|
|
/* Declared with fallback == true */
|
|
if (status != PSA_ERROR_NOT_SUPPORTED)
|
|
return (status);
|
|
#endif /* PSA_CRYPTO_DRIVER_TEST */
|
|
#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
|
|
/* Fell through, meaning no accelerator supports this operation */
|
|
return (psa_export_public_key_internal(attributes,
|
|
key_buffer,
|
|
key_buffer_size,
|
|
data,
|
|
data_size,
|
|
data_length));
|
|
|
|
/* Add cases for opaque driver here */
|
|
#if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
|
|
#if defined(PSA_CRYPTO_DRIVER_TEST)
|
|
case PSA_CRYPTO_TEST_DRIVER_LIFETIME:
|
|
return (test_opaque_export_public_key(attributes,
|
|
key_buffer,
|
|
key_buffer_size,
|
|
data,
|
|
data_size,
|
|
data_length));
|
|
#endif /* PSA_CRYPTO_DRIVER_TEST */
|
|
#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
|
|
default:
|
|
/* Key is declared with a lifetime not known to us */
|
|
return (status);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Cipher functions
|
|
*/
|
|
psa_status_t psa_driver_wrapper_cipher_encrypt(
|
|
psa_key_slot_t *slot,
|
|
psa_algorithm_t alg,
|
|
const uint8_t *input,
|
|
size_t input_length,
|
|
uint8_t *output,
|
|
size_t output_size,
|
|
size_t *output_length) {
|
|
#if defined(PSA_CRYPTO_DRIVER_PRESENT) && defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
|
|
psa_status_t status = PSA_ERROR_INVALID_ARGUMENT;
|
|
psa_key_location_t location = PSA_KEY_LIFETIME_GET_LOCATION(slot->attr.lifetime);
|
|
psa_key_attributes_t attributes = {
|
|
.core = slot->attr
|
|
};
|
|
|
|
switch (location) {
|
|
case PSA_KEY_LOCATION_LOCAL_STORAGE:
|
|
/* Key is stored in the slot in export representation, so
|
|
* cycle through all known transparent accelerators */
|
|
#if defined(PSA_CRYPTO_DRIVER_TEST)
|
|
status = test_transparent_cipher_encrypt(&attributes,
|
|
slot->key.data,
|
|
slot->key.bytes,
|
|
alg,
|
|
input,
|
|
input_length,
|
|
output,
|
|
output_size,
|
|
output_length);
|
|
/* Declared with fallback == true */
|
|
if (status != PSA_ERROR_NOT_SUPPORTED)
|
|
return (status);
|
|
#endif /* PSA_CRYPTO_DRIVER_TEST */
|
|
/* Fell through, meaning no accelerator supports this operation */
|
|
return (PSA_ERROR_NOT_SUPPORTED);
|
|
/* Add cases for opaque driver here */
|
|
#if defined(PSA_CRYPTO_DRIVER_TEST)
|
|
case PSA_CRYPTO_TEST_DRIVER_LIFETIME:
|
|
return (test_opaque_cipher_encrypt(&attributes,
|
|
slot->key.data,
|
|
slot->key.bytes,
|
|
alg,
|
|
input,
|
|
input_length,
|
|
output,
|
|
output_size,
|
|
output_length));
|
|
#endif /* PSA_CRYPTO_DRIVER_TEST */
|
|
default:
|
|
/* Key is declared with a lifetime not known to us */
|
|
return (status);
|
|
}
|
|
#else /* PSA_CRYPTO_DRIVER_PRESENT */
|
|
(void) slot;
|
|
(void) alg;
|
|
(void) input;
|
|
(void) input_length;
|
|
(void) output;
|
|
(void) output_size;
|
|
(void) output_length;
|
|
|
|
return (PSA_ERROR_NOT_SUPPORTED);
|
|
#endif /* PSA_CRYPTO_DRIVER_PRESENT */
|
|
}
|
|
|
|
psa_status_t psa_driver_wrapper_cipher_decrypt(
|
|
psa_key_slot_t *slot,
|
|
psa_algorithm_t alg,
|
|
const uint8_t *input,
|
|
size_t input_length,
|
|
uint8_t *output,
|
|
size_t output_size,
|
|
size_t *output_length) {
|
|
#if defined(PSA_CRYPTO_DRIVER_PRESENT) && defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
|
|
psa_status_t status = PSA_ERROR_INVALID_ARGUMENT;
|
|
psa_key_location_t location = PSA_KEY_LIFETIME_GET_LOCATION(slot->attr.lifetime);
|
|
psa_key_attributes_t attributes = {
|
|
.core = slot->attr
|
|
};
|
|
|
|
switch (location) {
|
|
case PSA_KEY_LOCATION_LOCAL_STORAGE:
|
|
/* Key is stored in the slot in export representation, so
|
|
* cycle through all known transparent accelerators */
|
|
#if defined(PSA_CRYPTO_DRIVER_TEST)
|
|
status = test_transparent_cipher_decrypt(&attributes,
|
|
slot->key.data,
|
|
slot->key.bytes,
|
|
alg,
|
|
input,
|
|
input_length,
|
|
output,
|
|
output_size,
|
|
output_length);
|
|
/* Declared with fallback == true */
|
|
if (status != PSA_ERROR_NOT_SUPPORTED)
|
|
return (status);
|
|
#endif /* PSA_CRYPTO_DRIVER_TEST */
|
|
/* Fell through, meaning no accelerator supports this operation */
|
|
return (PSA_ERROR_NOT_SUPPORTED);
|
|
/* Add cases for opaque driver here */
|
|
#if defined(PSA_CRYPTO_DRIVER_TEST)
|
|
case PSA_CRYPTO_TEST_DRIVER_LIFETIME:
|
|
return (test_opaque_cipher_decrypt(&attributes,
|
|
slot->key.data,
|
|
slot->key.bytes,
|
|
alg,
|
|
input,
|
|
input_length,
|
|
output,
|
|
output_size,
|
|
output_length));
|
|
#endif /* PSA_CRYPTO_DRIVER_TEST */
|
|
default:
|
|
/* Key is declared with a lifetime not known to us */
|
|
return (status);
|
|
}
|
|
#else /* PSA_CRYPTO_DRIVER_PRESENT */
|
|
(void) slot;
|
|
(void) alg;
|
|
(void) input;
|
|
(void) input_length;
|
|
(void) output;
|
|
(void) output_size;
|
|
(void) output_length;
|
|
|
|
return (PSA_ERROR_NOT_SUPPORTED);
|
|
#endif /* PSA_CRYPTO_DRIVER_PRESENT */
|
|
}
|
|
|
|
psa_status_t psa_driver_wrapper_cipher_encrypt_setup(
|
|
psa_operation_driver_context_t *operation,
|
|
psa_key_slot_t *slot,
|
|
psa_algorithm_t alg) {
|
|
#if defined(PSA_CRYPTO_DRIVER_PRESENT) && defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
|
|
psa_status_t status = PSA_ERROR_INVALID_ARGUMENT;
|
|
psa_key_location_t location = PSA_KEY_LIFETIME_GET_LOCATION(slot->attr.lifetime);
|
|
psa_key_attributes_t attributes = {
|
|
.core = slot->attr
|
|
};
|
|
|
|
switch (location) {
|
|
case PSA_KEY_LOCATION_LOCAL_STORAGE:
|
|
/* Key is stored in the slot in export representation, so
|
|
* cycle through all known transparent accelerators */
|
|
#if defined(PSA_CRYPTO_DRIVER_TEST)
|
|
operation->ctx = mbedtls_calloc(1, sizeof(test_transparent_cipher_operation_t));
|
|
if (operation->ctx == NULL)
|
|
return PSA_ERROR_INSUFFICIENT_MEMORY;
|
|
|
|
status = test_transparent_cipher_encrypt_setup(operation->ctx,
|
|
&attributes,
|
|
slot->key.data,
|
|
slot->key.bytes,
|
|
alg);
|
|
/* Declared with fallback == true */
|
|
if (status == PSA_SUCCESS)
|
|
operation->id = PSA_CRYPTO_TRANSPARENT_TEST_DRIVER_ID;
|
|
else {
|
|
mbedtls_platform_zeroize(
|
|
operation->ctx,
|
|
sizeof(test_transparent_cipher_operation_t));
|
|
mbedtls_free(operation->ctx);
|
|
operation->ctx = NULL;
|
|
}
|
|
|
|
return (status);
|
|
#endif /* PSA_CRYPTO_DRIVER_TEST */
|
|
/* Fell through, meaning no accelerator supports this operation */
|
|
return (PSA_ERROR_NOT_SUPPORTED);
|
|
/* Add cases for opaque driver here */
|
|
#if defined(PSA_CRYPTO_DRIVER_TEST)
|
|
case PSA_CRYPTO_TEST_DRIVER_LIFETIME:
|
|
operation->ctx = mbedtls_calloc(1, sizeof(test_opaque_cipher_operation_t));
|
|
if (operation->ctx == NULL)
|
|
return (PSA_ERROR_INSUFFICIENT_MEMORY);
|
|
|
|
status = test_opaque_cipher_encrypt_setup(operation->ctx,
|
|
&attributes,
|
|
slot->key.data,
|
|
slot->key.bytes,
|
|
alg);
|
|
if (status == PSA_SUCCESS)
|
|
operation->id = PSA_CRYPTO_OPAQUE_TEST_DRIVER_ID;
|
|
else {
|
|
mbedtls_platform_zeroize(
|
|
operation->ctx,
|
|
sizeof(test_opaque_cipher_operation_t));
|
|
mbedtls_free(operation->ctx);
|
|
operation->ctx = NULL;
|
|
}
|
|
|
|
return (status);
|
|
#endif /* PSA_CRYPTO_DRIVER_TEST */
|
|
default:
|
|
/* Key is declared with a lifetime not known to us */
|
|
return (PSA_ERROR_NOT_SUPPORTED);
|
|
}
|
|
#else /* PSA_CRYPTO_DRIVER_PRESENT */
|
|
(void)slot;
|
|
(void)alg;
|
|
(void)operation;
|
|
|
|
return (PSA_ERROR_NOT_SUPPORTED);
|
|
#endif /* PSA_CRYPTO_DRIVER_PRESENT */
|
|
}
|
|
|
|
psa_status_t psa_driver_wrapper_cipher_decrypt_setup(
|
|
psa_operation_driver_context_t *operation,
|
|
psa_key_slot_t *slot,
|
|
psa_algorithm_t alg) {
|
|
#if defined(PSA_CRYPTO_DRIVER_PRESENT) && defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
|
|
psa_status_t status = PSA_ERROR_INVALID_ARGUMENT;
|
|
psa_key_location_t location = PSA_KEY_LIFETIME_GET_LOCATION(slot->attr.lifetime);
|
|
psa_key_attributes_t attributes = {
|
|
.core = slot->attr
|
|
};
|
|
|
|
switch (location) {
|
|
case PSA_KEY_LOCATION_LOCAL_STORAGE:
|
|
/* Key is stored in the slot in export representation, so
|
|
* cycle through all known transparent accelerators */
|
|
#if defined(PSA_CRYPTO_DRIVER_TEST)
|
|
operation->ctx = mbedtls_calloc(1, sizeof(test_transparent_cipher_operation_t));
|
|
if (operation->ctx == NULL)
|
|
return (PSA_ERROR_INSUFFICIENT_MEMORY);
|
|
|
|
status = test_transparent_cipher_decrypt_setup(operation->ctx,
|
|
&attributes,
|
|
slot->key.data,
|
|
slot->key.bytes,
|
|
alg);
|
|
/* Declared with fallback == true */
|
|
if (status == PSA_SUCCESS)
|
|
operation->id = PSA_CRYPTO_TRANSPARENT_TEST_DRIVER_ID;
|
|
else {
|
|
mbedtls_platform_zeroize(
|
|
operation->ctx,
|
|
sizeof(test_transparent_cipher_operation_t));
|
|
mbedtls_free(operation->ctx);
|
|
operation->ctx = NULL;
|
|
}
|
|
|
|
return (status);
|
|
#endif /* PSA_CRYPTO_DRIVER_TEST */
|
|
/* Fell through, meaning no accelerator supports this operation */
|
|
return (PSA_ERROR_NOT_SUPPORTED);
|
|
/* Add cases for opaque driver here */
|
|
#if defined(PSA_CRYPTO_DRIVER_TEST)
|
|
case PSA_CRYPTO_TEST_DRIVER_LIFETIME:
|
|
operation->ctx = mbedtls_calloc(1, sizeof(test_opaque_cipher_operation_t));
|
|
if (operation->ctx == NULL)
|
|
return PSA_ERROR_INSUFFICIENT_MEMORY;
|
|
|
|
status = test_opaque_cipher_decrypt_setup(operation->ctx,
|
|
&attributes,
|
|
slot->key.data,
|
|
slot->key.bytes,
|
|
alg);
|
|
if (status == PSA_SUCCESS)
|
|
operation->id = PSA_CRYPTO_OPAQUE_TEST_DRIVER_ID;
|
|
else {
|
|
mbedtls_platform_zeroize(
|
|
operation->ctx,
|
|
sizeof(test_opaque_cipher_operation_t));
|
|
mbedtls_free(operation->ctx);
|
|
operation->ctx = NULL;
|
|
}
|
|
|
|
return (status);
|
|
#endif /* PSA_CRYPTO_DRIVER_TEST */
|
|
default:
|
|
/* Key is declared with a lifetime not known to us */
|
|
return (PSA_ERROR_NOT_SUPPORTED);
|
|
}
|
|
#else /* PSA_CRYPTO_DRIVER_PRESENT */
|
|
(void)slot;
|
|
(void)alg;
|
|
(void)operation;
|
|
|
|
return (PSA_ERROR_NOT_SUPPORTED);
|
|
#endif /* PSA_CRYPTO_DRIVER_PRESENT */
|
|
}
|
|
|
|
psa_status_t psa_driver_wrapper_cipher_generate_iv(
|
|
psa_operation_driver_context_t *operation,
|
|
uint8_t *iv,
|
|
size_t iv_size,
|
|
size_t *iv_length) {
|
|
#if defined(PSA_CRYPTO_DRIVER_PRESENT) && defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
|
|
switch (operation->id) {
|
|
#if defined(PSA_CRYPTO_DRIVER_TEST)
|
|
case PSA_CRYPTO_TRANSPARENT_TEST_DRIVER_ID:
|
|
return (test_transparent_cipher_generate_iv(operation->ctx,
|
|
iv,
|
|
iv_size,
|
|
iv_length));
|
|
#endif /* PSA_CRYPTO_DRIVER_TEST */
|
|
#if defined(PSA_CRYPTO_DRIVER_TEST)
|
|
case PSA_CRYPTO_OPAQUE_TEST_DRIVER_ID:
|
|
return (test_opaque_cipher_generate_iv(operation->ctx,
|
|
iv,
|
|
iv_size,
|
|
iv_length));
|
|
#endif /* PSA_CRYPTO_DRIVER_TEST */
|
|
default:
|
|
/* Key is attached to a driver not known to us */
|
|
return (PSA_ERROR_BAD_STATE);
|
|
}
|
|
#else /* PSA_CRYPTO_DRIVER_PRESENT */
|
|
(void) operation;
|
|
(void) iv;
|
|
(void) iv_size;
|
|
(void) iv_length;
|
|
|
|
return (PSA_ERROR_NOT_SUPPORTED);
|
|
#endif /* PSA_CRYPTO_DRIVER_PRESENT */
|
|
}
|
|
|
|
psa_status_t psa_driver_wrapper_cipher_set_iv(
|
|
psa_operation_driver_context_t *operation,
|
|
const uint8_t *iv,
|
|
size_t iv_length) {
|
|
#if defined(PSA_CRYPTO_DRIVER_PRESENT) && defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
|
|
switch (operation->id) {
|
|
#if defined(PSA_CRYPTO_DRIVER_TEST)
|
|
case PSA_CRYPTO_TRANSPARENT_TEST_DRIVER_ID:
|
|
return (test_transparent_cipher_set_iv(operation->ctx,
|
|
iv,
|
|
iv_length));
|
|
#endif /* PSA_CRYPTO_DRIVER_TEST */
|
|
#if defined(PSA_CRYPTO_DRIVER_TEST)
|
|
case PSA_CRYPTO_OPAQUE_TEST_DRIVER_ID:
|
|
return (test_opaque_cipher_set_iv(operation->ctx,
|
|
iv,
|
|
iv_length));
|
|
#endif /* PSA_CRYPTO_DRIVER_TEST */
|
|
default:
|
|
/* Key is attached to a driver not known to us */
|
|
return (PSA_ERROR_BAD_STATE);
|
|
}
|
|
#else /* PSA_CRYPTO_DRIVER_PRESENT */
|
|
(void) operation;
|
|
(void) iv;
|
|
(void) iv_length;
|
|
|
|
return (PSA_ERROR_NOT_SUPPORTED);
|
|
#endif /* PSA_CRYPTO_DRIVER_PRESENT */
|
|
}
|
|
|
|
psa_status_t psa_driver_wrapper_cipher_update(
|
|
psa_operation_driver_context_t *operation,
|
|
const uint8_t *input,
|
|
size_t input_length,
|
|
uint8_t *output,
|
|
size_t output_size,
|
|
size_t *output_length) {
|
|
#if defined(PSA_CRYPTO_DRIVER_PRESENT) && defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
|
|
switch (operation->id) {
|
|
#if defined(PSA_CRYPTO_DRIVER_TEST)
|
|
case PSA_CRYPTO_TRANSPARENT_TEST_DRIVER_ID:
|
|
return (test_transparent_cipher_update(operation->ctx,
|
|
input,
|
|
input_length,
|
|
output,
|
|
output_size,
|
|
output_length));
|
|
#endif /* PSA_CRYPTO_DRIVER_TEST */
|
|
#if defined(PSA_CRYPTO_DRIVER_TEST)
|
|
case PSA_CRYPTO_OPAQUE_TEST_DRIVER_ID:
|
|
return (test_opaque_cipher_update(operation->ctx,
|
|
input,
|
|
input_length,
|
|
output,
|
|
output_size,
|
|
output_length));
|
|
#endif /* PSA_CRYPTO_DRIVER_TEST */
|
|
default:
|
|
/* Key is attached to a driver not known to us */
|
|
return (PSA_ERROR_BAD_STATE);
|
|
}
|
|
#else /* PSA_CRYPTO_DRIVER_PRESENT */
|
|
(void) operation;
|
|
(void) input;
|
|
(void) input_length;
|
|
(void) output;
|
|
(void) output_length;
|
|
(void) output_size;
|
|
|
|
return (PSA_ERROR_NOT_SUPPORTED);
|
|
#endif /* PSA_CRYPTO_DRIVER_PRESENT */
|
|
}
|
|
|
|
psa_status_t psa_driver_wrapper_cipher_finish(
|
|
psa_operation_driver_context_t *operation,
|
|
uint8_t *output,
|
|
size_t output_size,
|
|
size_t *output_length) {
|
|
#if defined(PSA_CRYPTO_DRIVER_PRESENT) && defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
|
|
switch (operation->id) {
|
|
#if defined(PSA_CRYPTO_DRIVER_TEST)
|
|
case PSA_CRYPTO_TRANSPARENT_TEST_DRIVER_ID:
|
|
return (test_transparent_cipher_finish(operation->ctx,
|
|
output,
|
|
output_size,
|
|
output_length));
|
|
#endif /* PSA_CRYPTO_DRIVER_TEST */
|
|
#if defined(PSA_CRYPTO_DRIVER_TEST)
|
|
case PSA_CRYPTO_OPAQUE_TEST_DRIVER_ID:
|
|
return (test_opaque_cipher_finish(operation->ctx,
|
|
output,
|
|
output_size,
|
|
output_length));
|
|
#endif /* PSA_CRYPTO_DRIVER_TEST */
|
|
default:
|
|
/* Key is attached to a driver not known to us */
|
|
return (PSA_ERROR_BAD_STATE);
|
|
}
|
|
#else /* PSA_CRYPTO_DRIVER_PRESENT */
|
|
(void) operation;
|
|
(void) output;
|
|
(void) output_size;
|
|
(void) output_length;
|
|
|
|
return (PSA_ERROR_NOT_SUPPORTED);
|
|
#endif /* PSA_CRYPTO_DRIVER_PRESENT */
|
|
}
|
|
|
|
psa_status_t psa_driver_wrapper_cipher_abort(
|
|
psa_operation_driver_context_t *operation) {
|
|
#if defined(PSA_CRYPTO_DRIVER_PRESENT) && defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
|
|
psa_status_t status = PSA_ERROR_INVALID_ARGUMENT;
|
|
|
|
/* The object has (apparently) been initialized but it is not in use. It's
|
|
* ok to call abort on such an object, and there's nothing to do. */
|
|
if (operation->ctx == NULL && operation->id == 0)
|
|
return (PSA_SUCCESS);
|
|
|
|
switch (operation->id) {
|
|
#if defined(PSA_CRYPTO_DRIVER_TEST)
|
|
case PSA_CRYPTO_TRANSPARENT_TEST_DRIVER_ID:
|
|
status = test_transparent_cipher_abort(operation->ctx);
|
|
mbedtls_platform_zeroize(
|
|
operation->ctx,
|
|
sizeof(test_transparent_cipher_operation_t));
|
|
mbedtls_free(operation->ctx);
|
|
operation->ctx = NULL;
|
|
operation->id = 0;
|
|
|
|
return (status);
|
|
#endif /* PSA_CRYPTO_DRIVER_TEST */
|
|
#if defined(PSA_CRYPTO_DRIVER_TEST)
|
|
case PSA_CRYPTO_OPAQUE_TEST_DRIVER_ID:
|
|
status = test_opaque_cipher_abort(operation->ctx);
|
|
mbedtls_platform_zeroize(
|
|
operation->ctx,
|
|
sizeof(test_opaque_cipher_operation_t));
|
|
mbedtls_free(operation->ctx);
|
|
operation->ctx = NULL;
|
|
operation->id = 0;
|
|
|
|
return (status);
|
|
#endif /* PSA_CRYPTO_DRIVER_TEST */
|
|
default:
|
|
/* Operation is attached to a driver not known to us */
|
|
return (PSA_ERROR_BAD_STATE);
|
|
}
|
|
#else /* PSA_CRYPTO_DRIVER_PRESENT */
|
|
(void)operation;
|
|
|
|
return (PSA_ERROR_NOT_SUPPORTED);
|
|
#endif /* PSA_CRYPTO_DRIVER_PRESENT */
|
|
}
|
|
|
|
/* End of automatically generated file. */
|