#include <agnix/agnix.h>
#include <agnix/memory.h>
#include <agnix/crypt.h>
Include dependency graph for DES.c:
Go to the source code of this file.
Functions | |
int | DES_crypt (char *in_buf, char *out_buf, char *passwd, int size) |
int | DES_decrypt (char *in_buf, char *out_buf, char *passwd, int size) |
int | DES_setup (void) |
int | DES_init (void) |
Variables | |
u8 | PSW [] |
u8 | IP [] |
u8 | IPR [] |
u8 | PC1 [] |
u8 | PC2 [] |
u8 | tab_rotate [] = { 1, 1, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 1 } |
u8 | E [] |
u8 | S1 [] |
u8 | S2 [] |
u8 | S3 [] |
u8 | S4 [] |
u8 | S5 [] |
u8 | S6 [] |
u8 | S7 [] |
u8 | S8 [] |
u8 | P [] |
int | DES_d |
crypt_algo_s | DES_algo |
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Definition at line 273 of file DES.c. References IP, IPR, and memset(). 00274 { 00275 u32 ile; 00276 int i; 00277 int l; 00278 u8 PIP[72]; 00279 u8 PIPr[72]; 00280 u8 keys[6*16]; 00281 u8 des_key[10]; 00282 // u8 *out_buf = (u8 *)get_free_pages(0); 00283 // u8 *out_buf_ptr = out_buf; 00284 00285 if (size > PAGE_SIZE) 00286 return -1; 00287 00288 memset(PIP, 0, sizeof(PIP)); 00289 memset(out_buf, 0, size + 2); 00290 memset(des_key, 0, sizeof(des_key)); 00291 00292 generate_key(des_key, passwd); 00293 00294 for (ile = 0; ile <= ((size - 1) >> 3); ile++) 00295 { 00296 00297 // rotate_key(des_key); /* changed by dembol */ 00298 memset(keys, 0, sizeof(keys)); 00299 00300 keys_gen(keys, des_key); 00301 00302 for (i = 0; i < 8; i++) 00303 { 00304 des_key[i] = keys[i]; 00305 des_key[i] ^= keys[i + 4]; 00306 } 00307 00308 for (i = 0; i < 64; i++) 00309 { 00310 l = IP[i] - 1; 00311 PIP[i] = (in_buf[l >> 3] >> (l & 7)) & 1; 00312 } 00313 00314 for (i = 0; i < 8; i++) 00315 { 00316 one_cycle(PIP + 32, PIP, keys + i * 2 * 6); 00317 one_cycle(PIP, PIP + 32, keys + i * 2 * 6 + 6); 00318 } 00319 00320 for (i = 0; i < 32; i++) 00321 { 00322 PIPr[i] = PIP[32 + i]; 00323 PIPr[i + 32] = PIP[i]; 00324 } 00325 00326 for (i = 0; i < 64; i++) 00327 { 00328 l = IPR[i] - 1; 00329 out_buf[i >> 3] |= PIPr[l] << (i & 7); 00330 } 00331 00332 in_buf += 8; 00333 out_buf += 8; 00334 } 00335 00336 // memcpy(in_buf, out_buf_ptr, size); 00337 // put_free_pages((u32)out_buf_ptr, 0); 00338 00339 return 0; 00340 }
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Definition at line 342 of file DES.c. References IP, IPR, and memset(). 00343 { 00344 u32 ile; 00345 int i; 00346 int j; 00347 int l; 00348 u8 PIP[70]; 00349 u8 PIPr[70]; 00350 u8 keys[6*16]; 00351 u8 des_key[10]; 00352 // u8 *out_buf = (u8 *)get_free_pages(0); 00353 // u8 *out_buf_ptr = out_buf; 00354 00355 if (size > PAGE_SIZE) 00356 return -1; 00357 00358 memset(PIP, 0, sizeof(PIP)); 00359 memset(out_buf, 0, size + 2); 00360 memset(des_key, 0, sizeof(des_key)); 00361 00362 generate_key(des_key, passwd); 00363 00364 for (ile = 0; ile <= ((size - 1) >> 3); ile++) 00365 { 00366 00367 // rotate_key(des_key); 00368 memset(keys, 0, sizeof(keys)); 00369 keys_gen(keys, des_key); 00370 00371 for (i = 0; i < 8; i++) 00372 { 00373 des_key[i] = keys[i]; 00374 des_key[i] ^= keys[i + 4]; 00375 } 00376 00377 for (i = 0; i < 64; i++) 00378 { 00379 l = IP[i] - 1; 00380 PIP[i] = (in_buf[l >> 3] >> (l & 7)) & 1; 00381 } 00382 00383 j = 7; 00384 for (i = 0; i < 8; i++) 00385 { 00386 one_cycle(PIP + 32, PIP, keys + j * 2 * 6 + 6); 00387 one_cycle(PIP, PIP + 32, keys + j * 2 * 6); 00388 j--; 00389 } 00390 00391 for (i = 0; i < 32; i++) 00392 { 00393 PIPr[i] = PIP[32 + i]; 00394 PIPr[i + 32] = PIP[i]; 00395 } 00396 00397 for (i = 0; i < 64; i++) 00398 { 00399 l = IPR[i] - 1; 00400 out_buf[i >> 3] |= PIPr[l] << (i & 7); 00401 } 00402 00403 in_buf += 8; 00404 out_buf += 8; 00405 } 00406 00407 return 0; 00408 }
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Definition at line 422 of file DES.c. References DES_d, and register_crypt_algo(). Referenced by crypt_init(). 00423 { 00424 DES_d = register_crypt_algo(&DES_algo); 00425 00426 if (DES_d < 0) 00427 return -1; 00428 00429 return 0; 00430 }
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Definition at line 410 of file DES.c. 00411 {
00412 return 0;
00413 }
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Initial value: { "DES", DES_setup, DES_crypt, DES_decrypt } |
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Definition at line 129 of file DES.c. Referenced by DES_init(). |
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Initial value: { 32, 1, 2, 3, 4, 5, 4, 5, 6, 7, 8, 9, 8, 9, 10, 11, 12, 13, 12, 13, 14, 15, 16, 17, 16, 17, 18, 19, 20, 21, 20, 21, 22, 23, 24, 25, 24, 25, 26, 27, 28, 29, 28, 29, 30, 31, 32, 1 } |
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Initial value: { 58, 50, 42, 34, 26, 18, 10, 2, 60, 52, 44, 36, 28, 20, 12, 4, 62, 54, 46, 38, 30, 22, 14, 6, 64, 56, 48, 40, 32, 24, 16, 8, 57, 49, 41, 33, 25, 17, 9, 1, 59, 51, 43, 35, 27, 19, 11, 3, 61, 53, 45, 37, 29, 21, 13, 5, 63, 55, 47, 39, 31, 23, 15, 7} Definition at line 31 of file DES.c. Referenced by DES_crypt(), and DES_decrypt(). |
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Initial value: { 40, 8, 48, 16, 56, 24, 64, 32, 39, 7, 47, 15, 55, 23, 63, 31, 38, 6, 46, 14, 54, 22, 62, 30, 37, 5, 45, 13, 53, 21, 61, 29, 36, 4, 44, 12, 52, 20, 60, 28, 35, 3, 43, 11, 51, 19, 59, 27, 34, 2, 42, 10, 50, 18, 58, 26, 33, 1, 41, 9, 49, 17, 57, 25} Definition at line 40 of file DES.c. Referenced by DES_crypt(), and DES_decrypt(). |
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Initial value: { 16, 7, 20, 21, 29, 12, 28, 17, 1, 15, 23, 26, 5, 18, 31, 10, 2, 8, 24, 14, 32, 27, 3, 9, 19, 13, 30, 6, 22, 11, 4, 25 } |
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Initial value: { 57, 49, 41, 33, 25, 17, 9, 1, 58, 50, 42, 34, 26, 18, 10, 2, 59, 51, 43, 35, 27, 19, 11, 3, 60, 52, 44, 36, 63, 55, 47, 39, 31, 23, 15, 7, 62, 54, 46, 38, 30, 22, 14, 6, 61, 53, 45, 37, 29, 21, 13, 5, 28, 20, 12, 4 } |
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Initial value: { 14, 17, 11, 24, 1, 5, 3, 28, 15, 6, 21, 10, 23, 19, 12, 4, 21, 8, 16, 7, 27, 20, 13, 2, 41, 52, 31, 37, 47, 55, 30, 40, 51, 45, 33, 48, 44, 49, 39, 56, 34, 53, 46, 42, 50, 36, 29, 32 } |
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Initial value: { 64, 60, 56, 52, 48, 44, 40, 36, 32, 28, 24, 20, 16, 12, 8, 4, 63, 59, 55, 51, 47, 43, 39, 35, 31, 27, 23, 19, 15, 11, 7, 3, 62, 58, 54, 50, 46, 42, 38, 34, 30, 26, 22, 18, 14, 10, 6, 2, 61, 57, 53, 49, 45, 41, 37, 33, 29, 25, 21, 17, 13, 9, 5, 1} |
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Initial value: { 14, 4, 13, 1, 2, 15, 11, 8, 3, 10, 6, 12, 5, 9, 0, 7, 0, 15, 7, 4, 14, 2, 13, 1, 10, 6, 12, 11, 9, 5, 3, 8, 4, 1, 14, 8, 13, 6, 2, 11, 15, 2, 9, 7, 3, 10, 5, 0, 15, 12, 8, 2, 4, 9, 1, 7, 5, 11, 3, 14, 10, 0, 6, 13} |
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Initial value: { 15, 1, 8, 14, 6, 11, 3, 4, 9, 7, 2, 13, 12, 0, 5, 10, 3, 13, 4, 7, 15, 2, 8, 14, 12, 0, 1, 10, 6, 9, 11, 5, 0, 14, 7, 11, 10, 4, 13, 1, 5, 8, 12, 6, 9, 3, 2, 15, 13, 8, 10, 1, 3, 15, 4, 2, 11, 6, 7, 12, 0, 5, 14, 9} |
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Initial value: { 10, 0, 9, 14, 6, 3, 15, 5, 1, 13, 12, 7, 11, 4, 2, 8, 13, 7, 0, 9, 3, 4, 6, 10, 2, 8, 5, 14, 12, 11, 15, 1, 13, 6, 4, 9, 8, 15, 3, 0, 11, 1, 2, 12, 5, 10, 14, 7, 1, 10, 13, 0, 6, 9, 8, 7, 4, 15, 14, 3, 11, 5, 2, 12} |
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Initial value: { 7, 13, 14, 3, 0, 6, 9, 10, 1, 2, 8, 5, 1, 12, 4, 15, 13, 8, 11, 5, 6, 15, 0, 3, 4, 7, 2, 12, 1, 10, 14, 9, 10, 6, 9, 0, 12, 11, 7, 13, 15, 1, 3, 14, 5, 2, 8, 4, 3, 15, 0, 6, 10, 1, 13, 8, 9, 4, 5, 11, 12, 7, 2, 14} |
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Initial value: { 2, 12, 4, 1, 7, 10, 11, 6, 8, 5, 3, 15, 13, 0, 14, 9, 14, 11, 2, 12, 4, 7, 13, 1, 5, 0, 15, 10, 3, 9, 8, 6, 4, 2, 1, 11, 10, 13, 7, 8, 15, 9, 12, 5, 6, 3, 0, 14, 11, 8, 12, 7, 1, 14, 2, 13, 6, 15, 0, 9, 10, 4, 5, 3} |
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Initial value: { 12, 1, 10, 15, 9, 2, 6, 8, 0, 13, 3, 4, 14, 7, 5, 11, 10, 15, 4, 2, 7, 12, 9, 5, 6, 1, 13, 14, 0, 11, 3, 8, 9, 14, 15, 5, 2, 8, 12, 3, 7, 0, 4, 10, 1, 13, 11, 6, 4, 3, 2, 12, 9, 5, 15, 10, 11, 14, 1, 7, 6, 0, 8, 13} |
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Initial value: { 4, 11, 2, 14, 15, 0, 8, 13, 3, 12, 9, 7, 5, 10, 6, 1, 13, 0, 11, 7, 4, 9, 1, 10, 14, 3, 5, 12, 2, 15, 8, 6, 1, 4, 11, 13, 12, 3, 7, 14, 10, 15, 6, 8, 0, 5, 9, 2, 6, 11, 13, 8, 1, 4, 10, 7, 9, 5, 0, 15, 14, 2, 3, 12} |
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Initial value: { 13, 2, 8, 4, 6, 15, 11, 1, 10, 9, 3, 14, 5, 0, 12, 7, 1, 15, 13, 8, 10, 3, 7, 4, 12, 5, 6, 11, 0, 14, 9, 2, 7, 11, 4, 1, 9, 12, 14, 2, 0, 6, 10, 13, 15, 3, 5, 8, 2, 1, 14, 7, 4, 10, 8, 13, 15, 12, 9, 0, 3, 5, 6, 11} |
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