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111 lines
3.3 KiB
C
111 lines
3.3 KiB
C
/**
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* \file cipher_wrap.h
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*
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* \brief Cipher wrappers.
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*
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* \author Adriaan de Jong <dejong@fox-it.com>
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*
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* Copyright (C) 2006-2013, ARM Limited, All Rights Reserved
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*
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* This file is part of mbed TLS (https://tls.mbed.org)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef MBEDTLS_CIPHER_WRAP_H
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#define MBEDTLS_CIPHER_WRAP_H
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#if !defined(MBEDTLS_CONFIG_FILE)
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#include "config.h"
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#else
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#include MBEDTLS_CONFIG_FILE
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#endif
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#include "cipher.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* Base cipher information. The non-mode specific functions and values.
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*/
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struct mbedtls_cipher_base_t
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{
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/** Base Cipher type (e.g. MBEDTLS_CIPHER_ID_AES) */
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mbedtls_cipher_id_t cipher;
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/** Encrypt using ECB */
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int (*ecb_func)( void *ctx, mbedtls_operation_t mode,
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const unsigned char *input, unsigned char *output );
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#if defined(MBEDTLS_CIPHER_MODE_CBC)
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/** Encrypt using CBC */
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int (*cbc_func)( void *ctx, mbedtls_operation_t mode, size_t length,
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unsigned char *iv, const unsigned char *input,
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unsigned char *output );
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#endif
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#if defined(MBEDTLS_CIPHER_MODE_CFB)
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/** Encrypt using CFB (Full length) */
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int (*cfb_func)( void *ctx, mbedtls_operation_t mode, size_t length, size_t *iv_off,
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unsigned char *iv, const unsigned char *input,
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unsigned char *output );
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#endif
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#if defined(MBEDTLS_CIPHER_MODE_CTR)
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/** Encrypt using CTR */
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int (*ctr_func)( void *ctx, size_t length, size_t *nc_off,
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unsigned char *nonce_counter, unsigned char *stream_block,
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const unsigned char *input, unsigned char *output );
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#endif
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#if defined(MBEDTLS_CIPHER_MODE_STREAM)
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/** Encrypt using STREAM */
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int (*stream_func)( void *ctx, size_t length,
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const unsigned char *input, unsigned char *output );
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#endif
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/** Set key for encryption purposes */
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int (*setkey_enc_func)( void *ctx, const unsigned char *key,
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unsigned int key_length );
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/** Set key for decryption purposes */
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int (*setkey_dec_func)( void *ctx, const unsigned char *key,
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unsigned int key_length);
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/** Allocate a new context */
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void * (*ctx_alloc_func)( void );
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/** Free the given context */
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void (*ctx_free_func)( void *ctx );
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};
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typedef struct
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{
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mbedtls_cipher_type_t type;
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const mbedtls_cipher_info_t *info;
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} mbedtls_cipher_definition_t;
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extern const mbedtls_cipher_definition_t mbedtls_cipher_definitions[];
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extern int mbedtls_cipher_supported[];
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#ifdef __cplusplus
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}
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#endif
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#endif /* MBEDTLS_CIPHER_WRAP_H */
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