| /* |
| * Context structure declaration of the software-based driver which performs |
| * cipher operations through the PSA Crypto driver dispatch layer. |
| */ |
| /* |
| * Copyright The Mbed TLS Contributors |
| * SPDX-License-Identifier: Apache-2.0 |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); you may |
| * not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef PSA_CRYPTO_BUILTIN_CIPHER_H |
| #define PSA_CRYPTO_BUILTIN_CIPHER_H |
| |
| #include <psa/crypto_driver_common.h> |
| #include "mbedtls/cipher.h" |
| |
| #if defined(MBEDTLS_PSA_BUILTIN_ALG_STREAM_CIPHER) || \ |
| defined(MBEDTLS_PSA_BUILTIN_ALG_CTR) || \ |
| defined(MBEDTLS_PSA_BUILTIN_ALG_CFB) || \ |
| defined(MBEDTLS_PSA_BUILTIN_ALG_OFB) || \ |
| defined(MBEDTLS_PSA_BUILTIN_ALG_XTS) || \ |
| defined(MBEDTLS_PSA_BUILTIN_ALG_ECB_NO_PADDING) || \ |
| defined(MBEDTLS_PSA_BUILTIN_ALG_CBC_NO_PADDING) || \ |
| defined(MBEDTLS_PSA_BUILTIN_ALG_CBC_PKCS7) |
| #define MBEDTLS_PSA_BUILTIN_CIPHER 1 |
| #endif |
| |
| typedef struct { |
| /* Context structure for the Mbed TLS cipher implementation. */ |
| psa_algorithm_t alg; |
| uint8_t iv_length; |
| uint8_t block_length; |
| mbedtls_cipher_context_t cipher; |
| } mbedtls_psa_cipher_operation_t; |
| |
| #define MBEDTLS_PSA_CIPHER_OPERATION_INIT {0, 0, 0, {0}} |
| |
| /* |
| * BEYOND THIS POINT, TEST DRIVER DECLARATIONS ONLY. |
| */ |
| #if defined(PSA_CRYPTO_DRIVER_TEST) |
| |
| typedef mbedtls_psa_cipher_operation_t |
| mbedtls_transparent_test_driver_cipher_operation_t; |
| |
| typedef struct { |
| unsigned int initialised : 1; |
| mbedtls_transparent_test_driver_cipher_operation_t ctx; |
| } mbedtls_opaque_test_driver_cipher_operation_t; |
| |
| #define MBEDTLS_TRANSPARENT_TEST_DRIVER_CIPHER_OPERATION_INIT \ |
| MBEDTLS_PSA_CIPHER_OPERATION_INIT |
| |
| #define MBEDTLS_OPAQUE_TEST_DRIVER_CIPHER_OPERATION_INIT \ |
| { 0, MBEDTLS_TRANSPARENT_TEST_DRIVER_CIPHER_OPERATION_INIT } |
| |
| #endif /* PSA_CRYPTO_DRIVER_TEST */ |
| |
| #endif /* PSA_CRYPTO_BUILTIN_CIPHER_H */ |