Mbed TLS v3.6.0
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 #include "mbedtls/private_access.h"
18 
19 #include "mbedtls/build_info.h"
20 #include "mbedtls/platform_util.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
34 extern "C" {
35 #endif
36 
37 #if !defined(MBEDTLS_DES_ALT)
38 // Regular implementation
39 //
40 
48 typedef struct mbedtls_des_context {
49  uint32_t MBEDTLS_PRIVATE(sk)[32];
50 }
52 
60 typedef 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 
79 
90 
101 
112 
126 
143 
156 int mbedtls_des_key_check_weak(const unsigned char key[MBEDTLS_DES_KEY_SIZE]);
157 
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 
366 void mbedtls_des_setkey(uint32_t SK[32],
367  const unsigned char key[MBEDTLS_DES_KEY_SIZE]);
368 
369 #if defined(MBEDTLS_SELF_TEST)
370 
377 int 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
Definition: platform_util.h:99
#define MBEDTLS_CHECK_RETURN_CRITICAL
Definition: platform_util.h:77
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