mbed TLS v2.28.3
des.h
Go to the documentation of this file.
1
10/*
11 * Copyright The Mbed TLS Contributors
12 * SPDX-License-Identifier: Apache-2.0
13 *
14 * Licensed under the Apache License, Version 2.0 (the "License"); you may
15 * not use this file except in compliance with the License.
16 * You may obtain a copy of the License at
17 *
18 * http://www.apache.org/licenses/LICENSE-2.0
19 *
20 * Unless required by applicable law or agreed to in writing, software
21 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
22 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
23 * See the License for the specific language governing permissions and
24 * limitations under the License.
25 *
26 */
27#ifndef MBEDTLS_DES_H
28#define MBEDTLS_DES_H
29
30#if !defined(MBEDTLS_CONFIG_FILE)
31#include "mbedtls/config.h"
32#else
33#include MBEDTLS_CONFIG_FILE
34#endif
36
37#include <stddef.h>
38#include <stdint.h>
39
40#define MBEDTLS_DES_ENCRYPT 1
41#define MBEDTLS_DES_DECRYPT 0
42
44#define MBEDTLS_ERR_DES_INVALID_INPUT_LENGTH -0x0032
45
46/* MBEDTLS_ERR_DES_HW_ACCEL_FAILED is deprecated and should not be used. */
48#define MBEDTLS_ERR_DES_HW_ACCEL_FAILED -0x0033
49
50#define MBEDTLS_DES_KEY_SIZE 8
51
52#ifdef __cplusplus
53extern "C" {
54#endif
55
56#if !defined(MBEDTLS_DES_ALT)
57// Regular implementation
58//
59
67typedef struct mbedtls_des_context {
68 uint32_t sk[32];
69}
71
79typedef struct mbedtls_des3_context {
80 uint32_t sk[96];
81}
83
84#else /* MBEDTLS_DES_ALT */
85#include "des_alt.h"
86#endif /* MBEDTLS_DES_ALT */
87
98
109
120
131
145
162
176
191
206
221 const unsigned char key[MBEDTLS_DES_KEY_SIZE * 2]);
222
237 const unsigned char key[MBEDTLS_DES_KEY_SIZE * 2]);
238
253 const unsigned char key[MBEDTLS_DES_KEY_SIZE * 3]);
254
269 const unsigned char key[MBEDTLS_DES_KEY_SIZE * 3]);
270
286 const unsigned char input[8],
287 unsigned char output[8]);
288
289#if defined(MBEDTLS_CIPHER_MODE_CBC)
314 int mode,
315 size_t length,
316 unsigned char iv[8],
317 const unsigned char *input,
318 unsigned char *output);
319#endif /* MBEDTLS_CIPHER_MODE_CBC */
320
336 const unsigned char input[8],
337 unsigned char output[8]);
338
339#if defined(MBEDTLS_CIPHER_MODE_CBC)
366 int mode,
367 size_t length,
368 unsigned char iv[8],
369 const unsigned char *input,
370 unsigned char *output);
371#endif /* MBEDTLS_CIPHER_MODE_CBC */
372
385void mbedtls_des_setkey(uint32_t SK[32],
386 const unsigned char key[MBEDTLS_DES_KEY_SIZE]);
387
388#if defined(MBEDTLS_SELF_TEST)
389
396int mbedtls_des_self_test(int verbose);
397
398#endif /* MBEDTLS_SELF_TEST */
399
400#ifdef __cplusplus
401}
402#endif
403
404#endif /* des.h */
Configuration options (set of defines)
void mbedtls_des_init(mbedtls_des_context *ctx)
Initialize DES context.
MBEDTLS_CHECK_RETURN_TYPICAL 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_CHECK_RETURN_TYPICAL 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_CHECK_RETURN_TYPICAL int mbedtls_des_setkey_enc(mbedtls_des_context *ctx, const unsigned char key[MBEDTLS_DES_KEY_SIZE])
DES key schedule (56-bit, encryption)
MBEDTLS_CHECK_RETURN_TYPICAL 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)
struct mbedtls_des3_context mbedtls_des3_context
Triple-DES context structure.
void mbedtls_des3_free(mbedtls_des3_context *ctx)
Clear Triple-DES context.
MBEDTLS_CHECK_RETURN_TYPICAL int mbedtls_des3_crypt_ecb(mbedtls_des3_context *ctx, const unsigned char input[8], unsigned char output[8])
3DES-ECB block encryption/decryption
MBEDTLS_CHECK_RETURN_TYPICAL int mbedtls_des_crypt_ecb(mbedtls_des_context *ctx, const unsigned char input[8], unsigned char output[8])
DES-ECB block encryption/decryption.
MBEDTLS_CHECK_RETURN_TYPICAL 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_CHECK_RETURN_TYPICAL int mbedtls_des_setkey_dec(mbedtls_des_context *ctx, const unsigned char key[MBEDTLS_DES_KEY_SIZE])
DES key schedule (56-bit, decryption)
MBEDTLS_CHECK_RETURN_CRITICAL int mbedtls_des_self_test(int verbose)
Checkup routine.
void mbedtls_des_key_set_parity(unsigned char key[MBEDTLS_DES_KEY_SIZE])
Set key parity on the given key to odd.
MBEDTLS_CHECK_RETURN_TYPICAL 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_CHECK_RETURN_TYPICAL 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.
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...
struct mbedtls_des_context mbedtls_des_context
DES context structure.
void mbedtls_des3_init(mbedtls_des3_context *ctx)
Initialize Triple-DES context.
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)
3DES-CBC buffer encryption/decryption
#define MBEDTLS_DES_KEY_SIZE
Definition: des.h:50
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)
DES-CBC buffer encryption/decryption.
void mbedtls_des_free(mbedtls_des_context *ctx)
Clear DES context.
Common and shared functions used by multiple modules in the Mbed TLS library.
#define MBEDTLS_CHECK_RETURN_TYPICAL
#define MBEDTLS_CHECK_RETURN_CRITICAL
Triple-DES context structure.
Definition: des.h:79
uint32_t sk[96]
Definition: des.h:80
DES context structure.
Definition: des.h:67
uint32_t sk[32]
Definition: des.h:68