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des.h
Go to the documentation of this file.
/*
* Copyright The Mbed TLS Contributors
* SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
*
*/
#ifndef MBEDTLS_DES_H
#define MBEDTLS_DES_H
#include "mbedtls/private_access.h"
#include "mbedtls/build_info.h"
#include "mbedtls/platform_util.h"
#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_DES_KEY_SIZE 8
#ifdef __cplusplus
extern "C" {
#endif
#if !defined(MBEDTLS_DES_ALT)
// Regular implementation
//
typedef struct mbedtls_des_context {
uint32_t MBEDTLS_PRIVATE(sk)[32];
}
mbedtls_des_context;
typedef struct mbedtls_des3_context {
uint32_t MBEDTLS_PRIVATE(sk)[96];
}
mbedtls_des3_context;
#else /* MBEDTLS_DES_ALT */
#include "des_alt.h"
#endif /* MBEDTLS_DES_ALT */
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]);
MBEDTLS_CHECK_RETURN_TYPICAL
int mbedtls_des_key_check_key_parity(const unsigned char key[MBEDTLS_DES_KEY_SIZE]);
MBEDTLS_CHECK_RETURN_TYPICAL
int mbedtls_des_key_check_weak(const unsigned char key[MBEDTLS_DES_KEY_SIZE]);
MBEDTLS_CHECK_RETURN_TYPICAL
int mbedtls_des_setkey_enc(mbedtls_des_context *ctx, const unsigned char key[MBEDTLS_DES_KEY_SIZE]);
MBEDTLS_CHECK_RETURN_TYPICAL
int mbedtls_des_setkey_dec(mbedtls_des_context *ctx, const unsigned char key[MBEDTLS_DES_KEY_SIZE]);
MBEDTLS_CHECK_RETURN_TYPICAL
int mbedtls_des3_set2key_enc(mbedtls_des3_context *ctx,
const unsigned char key[MBEDTLS_DES_KEY_SIZE * 2]);
MBEDTLS_CHECK_RETURN_TYPICAL
int mbedtls_des3_set2key_dec(mbedtls_des3_context *ctx,
const unsigned char key[MBEDTLS_DES_KEY_SIZE * 2]);
MBEDTLS_CHECK_RETURN_TYPICAL
int mbedtls_des3_set3key_enc(mbedtls_des3_context *ctx,
const unsigned char key[MBEDTLS_DES_KEY_SIZE * 3]);
MBEDTLS_CHECK_RETURN_TYPICAL
int mbedtls_des3_set3key_dec(mbedtls_des3_context *ctx,
const unsigned char key[MBEDTLS_DES_KEY_SIZE * 3]);
MBEDTLS_CHECK_RETURN_TYPICAL
int mbedtls_des_crypt_ecb(mbedtls_des_context *ctx,
const unsigned char input[8],
unsigned char output[8]);
#if defined(MBEDTLS_CIPHER_MODE_CBC)
MBEDTLS_CHECK_RETURN_TYPICAL
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 */
MBEDTLS_CHECK_RETURN_TYPICAL
int mbedtls_des3_crypt_ecb(mbedtls_des3_context *ctx,
const unsigned char input[8],
unsigned char output[8]);
#if defined(MBEDTLS_CIPHER_MODE_CBC)
MBEDTLS_CHECK_RETURN_TYPICAL
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]);
#if defined(MBEDTLS_SELF_TEST)
MBEDTLS_CHECK_RETURN_CRITICAL
int mbedtls_des_self_test(int verbose);
#endif /* MBEDTLS_SELF_TEST */
#ifdef __cplusplus
}
#endif
#endif /* des.h */
mbedtls_des_self_test
int mbedtls_des_self_test(int verbose)
Checkup routine.
mbedtls_des_init
void mbedtls_des_init(mbedtls_des_context *ctx)
Initialize DES context.
mbedtls_des3_context
struct mbedtls_des3_context mbedtls_des3_context
Triple-DES context structure.
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)
mbedtls_des3_free
void mbedtls_des3_free(mbedtls_des3_context *ctx)
Clear 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_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_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_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_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_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_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_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_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_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_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_des_context
struct mbedtls_des_context mbedtls_des_context
DES context structure.
mbedtls_des3_init
void mbedtls_des3_init(mbedtls_des3_context *ctx)
Initialize Triple-DES context.
MBEDTLS_DES_KEY_SIZE
#define MBEDTLS_DES_KEY_SIZE
Definition des.h:31
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_free
void mbedtls_des_free(mbedtls_des_context *ctx)
Clear DES context.
des_alt.h
build_info.h
Build-time configuration info.
platform_util.h
Common and shared functions used by multiple modules in the Mbed TLS library.
MBEDTLS_CHECK_RETURN_TYPICAL
#define MBEDTLS_CHECK_RETURN_TYPICAL
Definition platform_util.h:99
MBEDTLS_CHECK_RETURN_CRITICAL
#define MBEDTLS_CHECK_RETURN_CRITICAL
Definition platform_util.h:77
private_access.h
Macro wrapper for struct's members.
MBEDTLS_PRIVATE
#define MBEDTLS_PRIVATE(member)
Definition private_access.h:15
mbedtls_des3_context
Triple-DES context structure.
Definition des.h:60
mbedtls_des_context
DES context structure.
Definition des.h:48