des.h
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/*
* 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_DES_H
#define MBEDTLS_DES_H
#if !defined(MBEDTLS_CONFIG_FILE)
#include "config.h"
#else
#include MBEDTLS_CONFIG_FILE
#endif
#include <stddef.h>
#include <stdint.h>
#define MBEDTLS_DES_ENCRYPT 1
#define MBEDTLS_DES_DECRYPT 0
#define MBEDTLS_ERR_DES_INVALID_INPUT_LENGTH -0x0032
#define MBEDTLS_ERR_DES_HW_ACCEL_FAILED -0x0033
#define MBEDTLS_DES_KEY_SIZE 8
#if !defined(MBEDTLS_DES_ALT)
// Regular implementation
//
#ifdef __cplusplus
extern "C" {
#endif
typedef struct
{
uint32_t sk[32];
}
mbedtls_des_context;
typedef struct
{
uint32_t sk[96];
}
mbedtls_des3_context;
void mbedtls_des_init( mbedtls_des_context *ctx );
void mbedtls_des_free( mbedtls_des_context *ctx );
void mbedtls_des3_init( mbedtls_des3_context *ctx );
void mbedtls_des3_free( mbedtls_des3_context *ctx );
void mbedtls_des_key_set_parity( unsigned char key[MBEDTLS_DES_KEY_SIZE] );
int mbedtls_des_key_check_key_parity( const unsigned char key[MBEDTLS_DES_KEY_SIZE] );
int mbedtls_des_key_check_weak( const unsigned char key[MBEDTLS_DES_KEY_SIZE] );
int mbedtls_des_setkey_enc( mbedtls_des_context *ctx, const unsigned char key[MBEDTLS_DES_KEY_SIZE] );
int mbedtls_des_setkey_dec( mbedtls_des_context *ctx, const unsigned char key[MBEDTLS_DES_KEY_SIZE] );
int mbedtls_des3_set2key_enc( mbedtls_des3_context *ctx,
const unsigned char key[MBEDTLS_DES_KEY_SIZE * 2] );
int mbedtls_des3_set2key_dec( mbedtls_des3_context *ctx,
const unsigned char key[MBEDTLS_DES_KEY_SIZE * 2] );
int mbedtls_des3_set3key_enc( mbedtls_des3_context *ctx,
const unsigned char key[MBEDTLS_DES_KEY_SIZE * 3] );
int mbedtls_des3_set3key_dec( mbedtls_des3_context *ctx,
const unsigned char key[MBEDTLS_DES_KEY_SIZE * 3] );
int mbedtls_des_crypt_ecb( mbedtls_des_context *ctx,
const unsigned char input[8],
unsigned char output[8] );
#if defined(MBEDTLS_CIPHER_MODE_CBC)
int mbedtls_des_crypt_cbc( mbedtls_des_context *ctx,
int mode,
size_t length,
unsigned char iv[8],
const unsigned char *input,
unsigned char *output );
#endif /* MBEDTLS_CIPHER_MODE_CBC */
int mbedtls_des3_crypt_ecb( mbedtls_des3_context *ctx,
const unsigned char input[8],
unsigned char output[8] );
#if defined(MBEDTLS_CIPHER_MODE_CBC)
int mbedtls_des3_crypt_cbc( mbedtls_des3_context *ctx,
int mode,
size_t length,
unsigned char iv[8],
const unsigned char *input,
unsigned char *output );
#endif /* MBEDTLS_CIPHER_MODE_CBC */
void mbedtls_des_setkey( uint32_t SK[32],
const unsigned char key[MBEDTLS_DES_KEY_SIZE] );
#ifdef __cplusplus
}
#endif
#else /* MBEDTLS_DES_ALT */
#include "des_alt.h"
#endif /* MBEDTLS_DES_ALT */
#ifdef __cplusplus
extern "C" {
#endif
int mbedtls_des_self_test( int verbose );
#ifdef __cplusplus
}
#endif
#endif /* des.h */
mbedtls_des3_crypt_ecb
int mbedtls_des3_crypt_ecb(mbedtls_des3_context *ctx, const unsigned char input[8], unsigned char output[8])
3DES-ECB block encryption/decryption
mbedtls_des_key_check_weak
int mbedtls_des_key_check_weak(const unsigned char key[MBEDTLS_DES_KEY_SIZE])
Check that key is not a weak or semi-weak DES key.
mbedtls_des3_init
void mbedtls_des3_init(mbedtls_des3_context *ctx)
Initialize Triple-DES context.
mbedtls_des3_set2key_dec
int mbedtls_des3_set2key_dec(mbedtls_des3_context *ctx, const unsigned char key[MBEDTLS_DES_KEY_SIZE *2])
Triple-DES key schedule (112-bit, decryption)
MBEDTLS_DES_KEY_SIZE
#define MBEDTLS_DES_KEY_SIZE
Definition: des.h:47
mbedtls_des_context
DES context structure.
Definition: des.h:64
config.h
Configuration options (set of defines)
mbedtls_des3_set2key_enc
int mbedtls_des3_set2key_enc(mbedtls_des3_context *ctx, const unsigned char key[MBEDTLS_DES_KEY_SIZE *2])
Triple-DES key schedule (112-bit, encryption)
mbedtls_des3_set3key_enc
int mbedtls_des3_set3key_enc(mbedtls_des3_context *ctx, const unsigned char key[MBEDTLS_DES_KEY_SIZE *3])
Triple-DES key schedule (168-bit, encryption)
mbedtls_des3_context
Triple-DES context structure.
Definition: des.h:73
mbedtls_des_self_test
int mbedtls_des_self_test(int verbose)
Checkup routine.
mbedtls_des_crypt_ecb
int mbedtls_des_crypt_ecb(mbedtls_des_context *ctx, const unsigned char input[8], unsigned char output[8])
DES-ECB block encryption/decryption.
mbedtls_des_free
void mbedtls_des_free(mbedtls_des_context *ctx)
Clear DES context.
mbedtls_des3_crypt_cbc
int mbedtls_des3_crypt_cbc(mbedtls_des3_context *ctx, int mode, size_t length, unsigned char iv[8], const unsigned char *input, unsigned char *output)
3DES-CBC buffer encryption/decryption
mbedtls_des_init
void mbedtls_des_init(mbedtls_des_context *ctx)
Initialize DES context.
mbedtls_des3_free
void mbedtls_des3_free(mbedtls_des3_context *ctx)
Clear Triple-DES context.
mbedtls_des3_set3key_dec
int mbedtls_des3_set3key_dec(mbedtls_des3_context *ctx, const unsigned char key[MBEDTLS_DES_KEY_SIZE *3])
Triple-DES key schedule (168-bit, decryption)
mbedtls_des_setkey
void mbedtls_des_setkey(uint32_t SK[32], const unsigned char key[MBEDTLS_DES_KEY_SIZE])
Internal function for key expansion. (Only exposed to allow overriding it, see MBEDTLS_DES_SETKEY_ALT...
mbedtls_des_setkey_enc
int mbedtls_des_setkey_enc(mbedtls_des_context *ctx, const unsigned char key[MBEDTLS_DES_KEY_SIZE])
DES key schedule (56-bit, encryption)
mbedtls_des_key_set_parity
void mbedtls_des_key_set_parity(unsigned char key[MBEDTLS_DES_KEY_SIZE])
Set key parity on the given key to odd.
mbedtls_des_key_check_key_parity
int mbedtls_des_key_check_key_parity(const unsigned char key[MBEDTLS_DES_KEY_SIZE])
Check that key parity on the given key is odd.
mbedtls_des_crypt_cbc
int mbedtls_des_crypt_cbc(mbedtls_des_context *ctx, int mode, size_t length, unsigned char iv[8], const unsigned char *input, unsigned char *output)
DES-CBC buffer encryption/decryption.
mbedtls_des_setkey_dec
int mbedtls_des_setkey_dec(mbedtls_des_context *ctx, const unsigned char key[MBEDTLS_DES_KEY_SIZE])
DES key schedule (56-bit, decryption)