Mbed TLS v3.6.0
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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
18
19#include "mbedtls/build_info.h"
21
22#include <stddef.h>
23#include <stdint.h>
24
25#define MBEDTLS_DES_ENCRYPT 1
26#define MBEDTLS_DES_DECRYPT 0
27
29#define MBEDTLS_ERR_DES_INVALID_INPUT_LENGTH -0x0032
30
31#define MBEDTLS_DES_KEY_SIZE 8
32
33#ifdef __cplusplus
34extern "C" {
35#endif
36
37#if !defined(MBEDTLS_DES_ALT)
38// Regular implementation
39//
40
48typedef struct mbedtls_des_context {
49 uint32_t MBEDTLS_PRIVATE(sk)[32];
50}
52
60typedef struct mbedtls_des3_context {
61 uint32_t MBEDTLS_PRIVATE(sk)[96];
62}
64
65#else /* MBEDTLS_DES_ALT */
66#include "des_alt.h"
67#endif /* MBEDTLS_DES_ALT */
68
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101
112
126
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172
187
202 const unsigned char key[MBEDTLS_DES_KEY_SIZE * 2]);
203
218 const unsigned char key[MBEDTLS_DES_KEY_SIZE * 2]);
219
234 const unsigned char key[MBEDTLS_DES_KEY_SIZE * 3]);
235
250 const unsigned char key[MBEDTLS_DES_KEY_SIZE * 3]);
251
267 const unsigned char input[8],
268 unsigned char output[8]);
269
270#if defined(MBEDTLS_CIPHER_MODE_CBC)
295 int mode,
296 size_t length,
297 unsigned char iv[8],
298 const unsigned char *input,
299 unsigned char *output);
300#endif /* MBEDTLS_CIPHER_MODE_CBC */
301
317 const unsigned char input[8],
318 unsigned char output[8]);
319
320#if defined(MBEDTLS_CIPHER_MODE_CBC)
347 int mode,
348 size_t length,
349 unsigned char iv[8],
350 const unsigned char *input,
351 unsigned char *output);
352#endif /* MBEDTLS_CIPHER_MODE_CBC */
353
366void mbedtls_des_setkey(uint32_t SK[32],
367 const unsigned char key[MBEDTLS_DES_KEY_SIZE]);
368
369#if defined(MBEDTLS_SELF_TEST)
370
377int mbedtls_des_self_test(int verbose);
378
379#endif /* MBEDTLS_SELF_TEST */
380
381#ifdef __cplusplus
382}
383#endif
384
385#endif /* des.h */
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:31
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.
Build-time configuration info.
Common and shared functions used by multiple modules in the Mbed TLS library.
#define MBEDTLS_CHECK_RETURN_TYPICAL
#define MBEDTLS_CHECK_RETURN_CRITICAL
Macro wrapper for struct's members.
#define MBEDTLS_PRIVATE(member)
Triple-DES context structure.
Definition des.h:60
DES context structure.
Definition des.h:48