mbed TLS v2.3.0
des.h
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1 
25 #ifndef MBEDTLS_DES_H
26 #define MBEDTLS_DES_H
27 
28 #if !defined(MBEDTLS_CONFIG_FILE)
29 #include "config.h"
30 #else
31 #include MBEDTLS_CONFIG_FILE
32 #endif
33 
34 #include <stddef.h>
35 #include <stdint.h>
36 
37 #define MBEDTLS_DES_ENCRYPT 1
38 #define MBEDTLS_DES_DECRYPT 0
39 
40 #define MBEDTLS_ERR_DES_INVALID_INPUT_LENGTH -0x0032
42 #define MBEDTLS_DES_KEY_SIZE 8
43 
44 #if !defined(MBEDTLS_DES_ALT)
45 // Regular implementation
46 //
47 
48 #ifdef __cplusplus
49 extern "C" {
50 #endif
51 
55 typedef struct
56 {
57  uint32_t sk[32];
58 }
60 
64 typedef struct
65 {
66  uint32_t sk[96];
67 }
69 
76 
83 
90 
97 
106 void mbedtls_des_key_set_parity( unsigned char key[MBEDTLS_DES_KEY_SIZE] );
107 
118 int mbedtls_des_key_check_key_parity( const unsigned char key[MBEDTLS_DES_KEY_SIZE] );
119 
127 int mbedtls_des_key_check_weak( const unsigned char key[MBEDTLS_DES_KEY_SIZE] );
128 
137 int mbedtls_des_setkey_enc( mbedtls_des_context *ctx, const unsigned char key[MBEDTLS_DES_KEY_SIZE] );
138 
147 int mbedtls_des_setkey_dec( mbedtls_des_context *ctx, const unsigned char key[MBEDTLS_DES_KEY_SIZE] );
148 
158  const unsigned char key[MBEDTLS_DES_KEY_SIZE * 2] );
159 
169  const unsigned char key[MBEDTLS_DES_KEY_SIZE * 2] );
170 
180  const unsigned char key[MBEDTLS_DES_KEY_SIZE * 3] );
181 
191  const unsigned char key[MBEDTLS_DES_KEY_SIZE * 3] );
192 
203  const unsigned char input[8],
204  unsigned char output[8] );
205 
206 #if defined(MBEDTLS_CIPHER_MODE_CBC)
207 
226  int mode,
227  size_t length,
228  unsigned char iv[8],
229  const unsigned char *input,
230  unsigned char *output );
231 #endif /* MBEDTLS_CIPHER_MODE_CBC */
232 
243  const unsigned char input[8],
244  unsigned char output[8] );
245 
246 #if defined(MBEDTLS_CIPHER_MODE_CBC)
247 
268  int mode,
269  size_t length,
270  unsigned char iv[8],
271  const unsigned char *input,
272  unsigned char *output );
273 #endif /* MBEDTLS_CIPHER_MODE_CBC */
274 
283 void mbedtls_des_setkey( uint32_t SK[32],
284  const unsigned char key[MBEDTLS_DES_KEY_SIZE] );
285 #ifdef __cplusplus
286 }
287 #endif
288 
289 #else /* MBEDTLS_DES_ALT */
290 #include "des_alt.h"
291 #endif /* MBEDTLS_DES_ALT */
292 
293 #ifdef __cplusplus
294 extern "C" {
295 #endif
296 
302 int mbedtls_des_self_test( int verbose );
303 
304 #ifdef __cplusplus
305 }
306 #endif
307 
308 #endif /* des.h */
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_key_check_weak(const unsigned char key[MBEDTLS_DES_KEY_SIZE])
Check that key is not a weak or semi-weak DES key.
void mbedtls_des3_init(mbedtls_des3_context *ctx)
Initialize 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)
#define MBEDTLS_DES_KEY_SIZE
Definition: des.h:42
DES context structure.
Definition: des.h:55
Configuration options (set of defines)
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)
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)
Triple-DES context structure.
Definition: des.h:64
int mbedtls_des_self_test(int verbose)
Checkup routine.
int mbedtls_des_crypt_ecb(mbedtls_des_context *ctx, const unsigned char input[8], unsigned char output[8])
DES-ECB block encryption/decryption.
void mbedtls_des_free(mbedtls_des_context *ctx)
Clear DES context.
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
void mbedtls_des_init(mbedtls_des_context *ctx)
Initialize DES context.
void mbedtls_des3_free(mbedtls_des3_context *ctx)
Clear Triple-DES context.
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_setkey(uint32_t SK[32], const unsigned char key[MBEDTLS_DES_KEY_SIZE])
Internal function for key expansion.
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_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_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_des_setkey_dec(mbedtls_des_context *ctx, const unsigned char key[MBEDTLS_DES_KEY_SIZE])
DES key schedule (56-bit, decryption)