| /** |
| * \file cipher_internal.h |
| * |
| * \brief Cipher wrappers. |
| * |
| * \author Adriaan de Jong <dejong@fox-it.com> |
| * |
| * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved |
| * 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. |
| * |
| * This file is part of mbed TLS (https://tls.mbed.org) |
| */ |
| #ifndef MBEDTLS_CIPHER_WRAP_H |
| #define MBEDTLS_CIPHER_WRAP_H |
| |
| #if !defined(MBEDTLS_CONFIG_FILE) |
| #include "config.h" |
| #else |
| #include MBEDTLS_CONFIG_FILE |
| #endif |
| |
| #include "cipher.h" |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /** |
| * Base cipher information. The non-mode specific functions and values. |
| */ |
| struct mbedtls_cipher_base_t |
| { |
| /** Base Cipher type (e.g. MBEDTLS_CIPHER_ID_AES) */ |
| mbedtls_cipher_id_t cipher; |
| |
| /** Encrypt using ECB */ |
| int (*ecb_func)( void *ctx, mbedtls_operation_t mode, |
| const unsigned char *input, unsigned char *output ); |
| |
| #if defined(MBEDTLS_CIPHER_MODE_CBC) |
| /** Encrypt using CBC */ |
| int (*cbc_func)( void *ctx, mbedtls_operation_t mode, size_t length, |
| unsigned char *iv, const unsigned char *input, |
| unsigned char *output ); |
| #endif |
| |
| #if defined(MBEDTLS_CIPHER_MODE_CFB) |
| /** Encrypt using CFB (Full length) */ |
| int (*cfb_func)( void *ctx, mbedtls_operation_t mode, size_t length, size_t *iv_off, |
| unsigned char *iv, const unsigned char *input, |
| unsigned char *output ); |
| #endif |
| |
| #if defined(MBEDTLS_CIPHER_MODE_CTR) |
| /** Encrypt using CTR */ |
| int (*ctr_func)( void *ctx, size_t length, size_t *nc_off, |
| unsigned char *nonce_counter, unsigned char *stream_block, |
| const unsigned char *input, unsigned char *output ); |
| #endif |
| |
| #if defined(MBEDTLS_CIPHER_MODE_STREAM) |
| /** Encrypt using STREAM */ |
| int (*stream_func)( void *ctx, size_t length, |
| const unsigned char *input, unsigned char *output ); |
| #endif |
| |
| /** Set key for encryption purposes */ |
| int (*setkey_enc_func)( void *ctx, const unsigned char *key, |
| unsigned int key_bitlen ); |
| |
| /** Set key for decryption purposes */ |
| int (*setkey_dec_func)( void *ctx, const unsigned char *key, |
| unsigned int key_bitlen); |
| |
| /** Allocate a new context */ |
| void * (*ctx_alloc_func)( void ); |
| |
| /** Free the given context */ |
| void (*ctx_free_func)( void *ctx ); |
| |
| }; |
| |
| typedef struct |
| { |
| mbedtls_cipher_type_t type; |
| const mbedtls_cipher_info_t *info; |
| } mbedtls_cipher_definition_t; |
| |
| extern const mbedtls_cipher_definition_t mbedtls_cipher_definitions[]; |
| |
| extern int mbedtls_cipher_supported[]; |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* MBEDTLS_CIPHER_WRAP_H */ |