151 lines
4.6 KiB
C++
151 lines
4.6 KiB
C++
/**
|
|
* \file cipher_internal.h
|
|
*
|
|
* \brief Cipher wrappers.
|
|
*
|
|
* \author Adriaan de Jong <dejong@fox-it.com>
|
|
*/
|
|
/*
|
|
* Copyright The Mbed TLS Contributors
|
|
* SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
|
|
*
|
|
* This file is provided under the Apache License 2.0, or the
|
|
* GNU General Public License v2.0 or later.
|
|
*
|
|
* **********
|
|
* Apache License 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.
|
|
*
|
|
* **********
|
|
*
|
|
* **********
|
|
* GNU General Public License v2.0 or later:
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along
|
|
* with this program; if not, write to the Free Software Foundation, Inc.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*
|
|
* **********
|
|
*/
|
|
#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_OFB)
|
|
/** Encrypt using OFB (Full length) */
|
|
int (*ofb_func)( void *ctx, 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_XTS)
|
|
/** Encrypt or decrypt using XTS. */
|
|
int (*xts_func)( void *ctx, mbedtls_operation_t mode, size_t length,
|
|
const unsigned char data_unit[16],
|
|
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 */
|