mbed TLS v2.28.0
des.h
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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{
69 uint32_t sk[32];
70}
72
77{
78 uint32_t sk[96];
79}
81
82#else /* MBEDTLS_DES_ALT */
83#include "des_alt.h"
84#endif /* MBEDTLS_DES_ALT */
85
96
107
114
121
135
152
165int mbedtls_des_key_check_weak( const unsigned char key[MBEDTLS_DES_KEY_SIZE] );
166
181
196
207 const unsigned char key[MBEDTLS_DES_KEY_SIZE * 2] );
208
219 const unsigned char key[MBEDTLS_DES_KEY_SIZE * 2] );
220
231 const unsigned char key[MBEDTLS_DES_KEY_SIZE * 3] );
232
243 const unsigned char key[MBEDTLS_DES_KEY_SIZE * 3] );
244
260 const unsigned char input[8],
261 unsigned char output[8] );
262
263#if defined(MBEDTLS_CIPHER_MODE_CBC)
288 int mode,
289 size_t length,
290 unsigned char iv[8],
291 const unsigned char *input,
292 unsigned char *output );
293#endif /* MBEDTLS_CIPHER_MODE_CBC */
294
306 const unsigned char input[8],
307 unsigned char output[8] );
308
309#if defined(MBEDTLS_CIPHER_MODE_CBC)
332 int mode,
333 size_t length,
334 unsigned char iv[8],
335 const unsigned char *input,
336 unsigned char *output );
337#endif /* MBEDTLS_CIPHER_MODE_CBC */
338
351void mbedtls_des_setkey( uint32_t SK[32],
352 const unsigned char key[MBEDTLS_DES_KEY_SIZE] );
353
354#if defined(MBEDTLS_SELF_TEST)
355
362int mbedtls_des_self_test( int verbose );
363
364#endif /* MBEDTLS_SELF_TEST */
365
366#ifdef __cplusplus
367}
368#endif
369
370#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)
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...
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:77
uint32_t sk[96]
Definition: des.h:78
DES context structure.
Definition: des.h:68
uint32_t sk[32]
Definition: des.h:69