Mbed TLS v2.28.9
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
23 #include "mbedtls/platform_util.h"
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
41 extern "C" {
42 #endif
43 
44 #if !defined(MBEDTLS_DES_ALT)
45 // Regular implementation
46 //
47 
55 typedef struct mbedtls_des_context {
56  uint32_t sk[32];
57 }
59 
67 typedef 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 
163 int mbedtls_des_key_check_weak(const unsigned char key[MBEDTLS_DES_KEY_SIZE]);
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 
373 void mbedtls_des_setkey(uint32_t SK[32],
374  const unsigned char key[MBEDTLS_DES_KEY_SIZE]);
375 
376 #if defined(MBEDTLS_SELF_TEST)
377 
384 int 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