Mbed TLS v2.28.8
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des.h
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1
10/*
11 * Copyright The Mbed TLS Contributors
12 * SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
13 *
14 */
15#ifndef MBEDTLS_DES_H
16#define MBEDTLS_DES_H
17
18#if !defined(MBEDTLS_CONFIG_FILE)
19#include "mbedtls/config.h"
20#else
21#include MBEDTLS_CONFIG_FILE
22#endif
24
25#include <stddef.h>
26#include <stdint.h>
27
28#define MBEDTLS_DES_ENCRYPT 1
29#define MBEDTLS_DES_DECRYPT 0
30
32#define MBEDTLS_ERR_DES_INVALID_INPUT_LENGTH -0x0032
33
34/* MBEDTLS_ERR_DES_HW_ACCEL_FAILED is deprecated and should not be used. */
36#define MBEDTLS_ERR_DES_HW_ACCEL_FAILED -0x0033
37
38#define MBEDTLS_DES_KEY_SIZE 8
39
40#ifdef __cplusplus
41extern "C" {
42#endif
43
44#if !defined(MBEDTLS_DES_ALT)
45// Regular implementation
46//
47
55typedef struct mbedtls_des_context {
56 uint32_t sk[32];
57}
59
67typedef struct mbedtls_des3_context {
68 uint32_t sk[96];
69}
71
72#else /* MBEDTLS_DES_ALT */
73#include "des_alt.h"
74#endif /* MBEDTLS_DES_ALT */
75
86
97
108
119
133
150
164
179
194
209 const unsigned char key[MBEDTLS_DES_KEY_SIZE * 2]);
210
225 const unsigned char key[MBEDTLS_DES_KEY_SIZE * 2]);
226
241 const unsigned char key[MBEDTLS_DES_KEY_SIZE * 3]);
242
257 const unsigned char key[MBEDTLS_DES_KEY_SIZE * 3]);
258
274 const unsigned char input[8],
275 unsigned char output[8]);
276
277#if defined(MBEDTLS_CIPHER_MODE_CBC)
302 int mode,
303 size_t length,
304 unsigned char iv[8],
305 const unsigned char *input,
306 unsigned char *output);
307#endif /* MBEDTLS_CIPHER_MODE_CBC */
308
324 const unsigned char input[8],
325 unsigned char output[8]);
326
327#if defined(MBEDTLS_CIPHER_MODE_CBC)
354 int mode,
355 size_t length,
356 unsigned char iv[8],
357 const unsigned char *input,
358 unsigned char *output);
359#endif /* MBEDTLS_CIPHER_MODE_CBC */
360
373void mbedtls_des_setkey(uint32_t SK[32],
374 const unsigned char key[MBEDTLS_DES_KEY_SIZE]);
375
376#if defined(MBEDTLS_SELF_TEST)
377
384int mbedtls_des_self_test(int verbose);
385
386#endif /* MBEDTLS_SELF_TEST */
387
388#ifdef __cplusplus
389}
390#endif
391
392#endif /* des.h */
Configuration options (set of defines)
int mbedtls_des_self_test(int verbose)
Checkup routine.
void mbedtls_des_init(mbedtls_des_context *ctx)
Initialize DES context.
struct mbedtls_des3_context mbedtls_des3_context
Triple-DES context structure.
int mbedtls_des_setkey_dec(mbedtls_des_context *ctx, const unsigned char key[MBEDTLS_DES_KEY_SIZE])
DES key schedule (56-bit, decryption)
void mbedtls_des3_free(mbedtls_des3_context *ctx)
Clear Triple-DES context.
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)
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
int mbedtls_des_setkey_enc(mbedtls_des_context *ctx, const unsigned char key[MBEDTLS_DES_KEY_SIZE])
DES key schedule (56-bit, encryption)
void mbedtls_des_key_set_parity(unsigned char key[MBEDTLS_DES_KEY_SIZE])
Set key parity on the given key to odd.
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)
int mbedtls_des3_crypt_ecb(mbedtls_des3_context *ctx, const unsigned char input[8], unsigned char output[8])
3DES-ECB block encryption/decryption
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.
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)
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...
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.
int mbedtls_des_crypt_ecb(mbedtls_des_context *ctx, const unsigned char input[8], unsigned char output[8])
DES-ECB block encryption/decryption.
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.
struct mbedtls_des_context mbedtls_des_context
DES context structure.
void mbedtls_des3_init(mbedtls_des3_context *ctx)
Initialize Triple-DES context.
#define MBEDTLS_DES_KEY_SIZE
Definition des.h:38
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)
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:67
uint32_t sk[96]
Definition des.h:68
DES context structure.
Definition des.h:55
uint32_t sk[32]
Definition des.h:56