| 1 |
/*********************************************************************** |
| 2 |
* |
| 3 |
* file: key.c |
| 4 |
* |
| 5 |
* $Id: key.c 241 2010-03-15 14:28:18Z chapuni $ |
| 6 |
* |
| 7 |
*/ |
| 8 |
|
| 9 |
#include <stdio.h> |
| 10 |
#include <assert.h> |
| 11 |
#include <stdlib.h> |
| 12 |
|
| 13 |
#ifdef KEYLOG |
| 14 |
#include <time.h> |
| 15 |
#include <windows.h> |
| 16 |
#endif /* KEYLOG */ |
| 17 |
|
| 18 |
#include "cp932.h" |
| 19 |
#include "desconst.h" |
| 20 |
#include "key.h" |
| 21 |
#include "translate.h" |
| 22 |
#include "makai.h" |
| 23 |
#include "util.h" |
| 24 |
|
| 25 |
#if USE_DT |
| 26 |
#include "dt4.h" |
| 27 |
#endif |
| 28 |
|
| 29 |
/* 拡張鍵クラス */ |
| 30 |
#define KCLS_DT0 64 |
| 31 |
#define KCLS_DT1 128 |
| 32 |
#define KCLS_K2 256 |
| 33 |
|
| 34 |
#if USE_DT |
| 35 |
/* 鍵キメ用辞書インデクス */ |
| 36 |
struct DT *kd[8 + 8]; |
| 37 |
|
| 38 |
/* 辞書インデクス */ |
| 39 |
struct DT *dtidx[0x100 + 1]; |
| 40 |
#endif |
| 41 |
|
| 42 |
#ifdef KEYLOG |
| 43 |
#define KEY_LOG_FILE "keylog.txt" |
| 44 |
int keyLog = MAKAI_FALSE; |
| 45 |
static HANDLE mutexKeylog; |
| 46 |
#endif /* KEYLOG */ |
| 47 |
|
| 48 |
/* 指定されたクラスと入っているキーから、classify を行う */ |
| 49 |
void |
| 50 |
key_make_map(struct KS_KEY *key, int n) |
| 51 |
{ |
| 52 |
int i, j; |
| 53 |
unsigned c = key->map[n][key->key[n]]; |
| 54 |
|
| 55 |
#if USE_DT |
| 56 |
if (3 <= n && n < 7 && kd[n - 3]) |
| 57 |
{ |
| 58 |
/* 辞書のケツの文字。後ろにナニヤラキャラクタが来る */ |
| 59 |
c = kd[n - 3]->c[0]; |
| 60 |
if ((0x81 <= c && c <= 0x9F) |
| 61 |
|| (0xE0 <= c && c <= 0xFC)) |
| 62 |
c = KCLS_K2; |
| 63 |
else |
| 64 |
c = (cp932[256 * key->key[n]] |
| 65 |
| cp932[256 * (key->key[n] ^ 0x80)]); |
| 66 |
#if DEBUG>=1 |
| 67 |
printf("*n=%d, key=%02X, cls=%04X\n", |
| 68 |
n, |
| 69 |
key[n], |
| 70 |
c); |
| 71 |
#endif |
| 72 |
} |
| 73 |
else if (2 <= n && n < 6 && kd[n - 2]) |
| 74 |
{ |
| 75 |
return; |
| 76 |
} |
| 77 |
else if (1 <= n && n < 5 && kd[n - 1]) |
| 78 |
{ |
| 79 |
return; |
| 80 |
} |
| 81 |
#if USE_DT |
| 82 |
else if (1 <= n && n < 5 && !kd[n - 1] |
| 83 |
//&& (c & KCLS_K2) |
| 84 |
&& (c & KCLS_DT1)) |
| 85 |
{ |
| 86 |
/* 漢字2文字を拾っていきまつ */ |
| 87 |
#if DEBUG>=1 |
| 88 |
printf("(%d)%02X %02X(%02X:%02X:%02X:%02X)\n", |
| 89 |
n, key->key[n - 1], key->key[n], |
| 90 |
cp932[(256 * key->key[n - 1] + key->key[n])], |
| 91 |
cp932[(256 * key->key[n - 1] + key->key[n]) ^ 0x0080], |
| 92 |
cp932[(256 * key->key[n - 1] + key->key[n]) ^ 0x8000], |
| 93 |
cp932[(256 * key->key[n - 1] + key->key[n]) ^ 0x8080]); |
| 94 |
#endif |
| 95 |
if (n != 1 && n != 2 |
| 96 |
&& (cp932[(256 * key->key[n - 1] + key->key[n]) ^ 0x0080] & KCLS_DT1)) |
| 97 |
key->key[n] ^= 0x80; |
| 98 |
else if (n != 2 && n != 3 |
| 99 |
&& (cp932[(256 * key->key[n - 1] + key->key[n]) ^ 0x8000] & KCLS_DT1)) |
| 100 |
key->key[n - 1] ^= 0x80; |
| 101 |
else if (n > 3 && (cp932[(256 * key->key[n - 1] + key->key[n]) ^ 0x8080] & KCLS_DT1)) |
| 102 |
key->key[n - 1] ^= 0x80, key->key[n] ^= 0x80; |
| 103 |
if (cp932[256 * key->key[n - 1] + key->key[n]] & KCLS_DT1) |
| 104 |
{ |
| 105 |
for (kd[n - 1] = dtidx[key->key[n - 1]]; |
| 106 |
kd[n - 1]->c[1] != key->key[n]; |
| 107 |
kd[n - 1]++) |
| 108 |
assert(kd[n - 1]->c[0] == key->key[n - 1]); |
| 109 |
#if DEBUG>=1 |
| 110 |
printf("(%02X%02X:%02X%02X)%c%c%c%c\n", |
| 111 |
kd[n - 1]->c[0], |
| 112 |
kd[n - 1]->c[1], |
| 113 |
kd[n - 1]->c[2], |
| 114 |
kd[n - 1]->c[3], |
| 115 |
kd[n - 1]->c[0], |
| 116 |
kd[n - 1]->c[1], |
| 117 |
kd[n - 1]->c[2], |
| 118 |
kd[n - 1]->c[3]); |
| 119 |
#endif |
| 120 |
return; |
| 121 |
} |
| 122 |
} |
| 123 |
else if (n < 4 && (c & KCLS_DT0) && kd[n] == NULL) |
| 124 |
{ |
| 125 |
/* カタカナ埋め込みいきます */ |
| 126 |
assert(kd[n] == NULL); |
| 127 |
#if DEBUG>=1 |
| 128 |
printf("n=%d, key=%02X\n", n, key->key[n]); |
| 129 |
#endif |
| 130 |
kd[n] = dtidx[key->key[n]]; |
| 131 |
if (!kd[n] |
| 132 |
&& !(n == 1 || n == 2) |
| 133 |
&& dtidx[key->key[n] ^ 0x80]) |
| 134 |
{ |
| 135 |
key->key[n] ^= 0x80; |
| 136 |
kd[n] = dtidx[key->key[n]]; |
| 137 |
} |
| 138 |
if (kd[n]) |
| 139 |
return; |
| 140 |
} |
| 141 |
#endif |
| 142 |
else |
| 143 |
{ |
| 144 |
kd[n] = NULL; |
| 145 |
} |
| 146 |
#endif |
| 147 |
|
| 148 |
/* 最後の部分は class map を生成する必要ナシ */ |
| 149 |
if (n >= 6) |
| 150 |
return; |
| 151 |
|
| 152 |
for (i = 0; i < 256; i++) |
| 153 |
{ |
| 154 |
unsigned bm = 0; |
| 155 |
#if 1 |
| 156 |
if (c & KCLS_K1) |
| 157 |
{ |
| 158 |
if (cp932[256 * key->key[n] + i] & KCLS_K1) |
| 159 |
bm |= KCLS_K2 | (cp932[256 * key->key[n] + i] & KCLS_DT1); |
| 160 |
if (cp932[256 * (key->key[n] ^ 0x80) + i] & KCLS_K1) |
| 161 |
bm |= KCLS_K2 | (cp932[256 * (key->key[n] ^ 0x80) + i] & KCLS_DT1); |
| 162 |
#if 0 |
| 163 |
bm |= ((cp932[256 * key->key[n] + i] & KCLS_K1) |
| 164 |
|| (cp932[256 * (key->key[n] ^ 0x80) + i] & KCLS_K1) |
| 165 |
? KCLS_K2 : 0); |
| 166 |
#endif |
| 167 |
} |
| 168 |
if (c & (KCLS_AN | KCLS_KA | KCLS_K2)) |
| 169 |
for (j = 0; j < 256; j++) |
| 170 |
{ |
| 171 |
bm |= cp932[256 * i + j] & (KCLS_AN | KCLS_KA | KCLS_K1 |
| 172 |
| KCLS_DT0); |
| 173 |
#if 0 |
| 174 |
if (j >= 127 && !(n == 0 || n == 1)) |
| 175 |
break; |
| 176 |
#endif |
| 177 |
} |
| 178 |
key->map[n + 1][i] = bm; |
| 179 |
#endif |
| 180 |
if (i >= 128 && !(n == 0 || n == 1)) |
| 181 |
key->map[n + 1][i - 128] |= key->map[n + 1][i]; |
| 182 |
} |
| 183 |
|
| 184 |
if (n < 6) |
| 185 |
key->map[n + 1][0x00] = key->map[n + 1][0x80] = 0; |
| 186 |
if (n == 6) |
| 187 |
key->map[7][0x00] |= KCLS_AN; |
| 188 |
} |
| 189 |
|
| 190 |
#if USE_DT |
| 191 |
unsigned |
| 192 |
dt_get(int kdn, |
| 193 |
int xn, |
| 194 |
int n, |
| 195 |
int ch) |
| 196 |
{ |
| 197 |
int i; |
| 198 |
#if DEBUG>=1 |
| 199 |
printf("*dt_get(%d)%c%c%c%c(%02X%02X:%02X%02X)->ch=%d", |
| 200 |
n, |
| 201 |
kd[kdn]->c[0], kd[kdn]->c[1], kd[kdn]->c[2], kd[kdn]->c[3], |
| 202 |
kd[kdn]->c[0], kd[kdn]->c[1], kd[kdn]->c[2], kd[kdn]->c[3], |
| 203 |
ch); |
| 204 |
#endif |
| 205 |
/* まずは数える */ |
| 206 |
for (i = 0; |
| 207 |
kd[kdn][i].c[xn] == kd[kdn]->c[xn]; |
| 208 |
i++) |
| 209 |
; |
| 210 |
assert(i > 0); |
| 211 |
kd[kdn] += ch % i; |
| 212 |
#if DEBUG>=1 |
| 213 |
printf("/%d\n dt_get: %c%c%c%c(%02X%02X:%02X%02X)->ch=%d\n", |
| 214 |
i, |
| 215 |
kd[kdn]->c[0], kd[kdn]->c[1], kd[kdn]->c[2], kd[kdn]->c[3], |
| 216 |
kd[kdn]->c[0], kd[kdn]->c[1], kd[kdn]->c[2], kd[kdn]->c[3], |
| 217 |
ch); |
| 218 |
#endif |
| 219 |
return kd[kdn]->c[n]; |
| 220 |
} |
| 221 |
#endif |
| 222 |
|
| 223 |
/* マップから文字を拾ってセット */ |
| 224 |
unsigned |
| 225 |
key_set(struct KS_KEY *key, int n, unsigned ch) |
| 226 |
{ |
| 227 |
int cnt = 0, i; |
| 228 |
|
| 229 |
#if USE_DT |
| 230 |
if (3 <= n && n < 7 && kd[n - 3]) |
| 231 |
{ |
| 232 |
return dt_get(n - 3, 2, 3, ch); |
| 233 |
return kd[n - 3]->c[3]; |
| 234 |
} |
| 235 |
else if (2 <= n && n < 6 && kd[n - 2]) |
| 236 |
{ |
| 237 |
return dt_get(n - 2, 1, 2, ch); |
| 238 |
return kd[n - 2]->c[2]; |
| 239 |
} |
| 240 |
else if (1 <= n && n < 5 && kd[n - 1]) |
| 241 |
{ |
| 242 |
return dt_get(n - 1, 0, 1, ch); |
| 243 |
return kd[n - 1]->c[1]; |
| 244 |
} |
| 245 |
#endif |
| 246 |
|
| 247 |
#if DEBUG>=3 |
| 248 |
if (cnt == 0) |
| 249 |
{ |
| 250 |
printf("n=%d, ch=%d, (n-1)=%02X\n", n, ch, key[n - 1]); |
| 251 |
int j; |
| 252 |
for (i = 0; i < 16; i++) |
| 253 |
{ |
| 254 |
printf("map[0x%02X] =", 16 * i); |
| 255 |
for (j = 0; j < 16; j++) |
| 256 |
printf(" %03X", kcls[n].map[16 * i + j]); |
| 257 |
printf("\n"); |
| 258 |
} |
| 259 |
} |
| 260 |
#endif |
| 261 |
for (i = 0; i < 256; i++) |
| 262 |
{ |
| 263 |
#if 1 |
| 264 |
/* 鳥屋っぽーい */ |
| 265 |
if (1 <= n && n <= 2 && '.' < i && i <= 'z') |
| 266 |
continue; |
| 267 |
#endif |
| 268 |
if (key->map[n][i]) |
| 269 |
{ |
| 270 |
if (ch-- == 0) |
| 271 |
return i; |
| 272 |
cnt++; |
| 273 |
} |
| 274 |
if (n != 1 && n != 2 && i >= 127) |
| 275 |
break; |
| 276 |
} |
| 277 |
/* 見つからなかったのでもいっぺん */ |
| 278 |
assert(cnt > 0); |
| 279 |
ch %= cnt; |
| 280 |
for (i = 0; i < 256; i++) |
| 281 |
if (key->map[n][i]) |
| 282 |
{ |
| 283 |
#if 1 |
| 284 |
/* 鳥屋っぽーい */ |
| 285 |
if (1 <= n && n <= 2 && '.' < i && i <= 'z') |
| 286 |
continue; |
| 287 |
#endif |
| 288 |
if (ch-- == 0) |
| 289 |
return i; |
| 290 |
} |
| 291 |
assert(!"not matched"); |
| 292 |
return 0; |
| 293 |
} |
| 294 |
|
| 295 |
/* bitwise key をセット */ |
| 296 |
void |
| 297 |
key_set64(struct KEY *key64, |
| 298 |
int n, |
| 299 |
unsigned k, |
| 300 |
unsigned vk, |
| 301 |
unsigned sk) |
| 302 |
{ |
| 303 |
int i, j; |
| 304 |
if (!((vk | sk) & 0x7F)) |
| 305 |
return; |
| 306 |
|
| 307 |
for (i = 0; i < 7; i++) |
| 308 |
{ |
| 309 |
if (n == 7 && i < N_STRIDE) continue; |
| 310 |
if (sk & (1 << i)) |
| 311 |
{ |
| 312 |
/* セット */ |
| 313 |
int o = tr_pc1[n][6 - i] - 1; |
| 314 |
if (o < 28) |
| 315 |
{ |
| 316 |
assert(o >= 0); |
| 317 |
for (j = 0; j < N_ALU; j++) |
| 318 |
key64->k[0][0][o].a[j] |
| 319 |
= key64->k[0][1][o].a[j] |
| 320 |
= -!!(k & (1 << i)); |
| 321 |
} |
| 322 |
else |
| 323 |
{ |
| 324 |
assert(o >= 28); |
| 325 |
assert(o < 56); |
| 326 |
for (j = 0; j < N_ALU; j++) |
| 327 |
key64->k[1][0][o - 28].a[j] |
| 328 |
= key64->k[1][1][o - 28].a[j] |
| 329 |
= -!!(k & (1 << i)); |
| 330 |
} |
| 331 |
} |
| 332 |
else if (vk & (1 << i)) |
| 333 |
{ |
| 334 |
/* 反転 */ |
| 335 |
int o = tr_pc1[n][6 - i] - 1; |
| 336 |
if (o < 28) |
| 337 |
{ |
| 338 |
assert(o >= 0); |
| 339 |
for (j = 0; j < N_ALU; j++) |
| 340 |
key64->k[0][0][o].a[j] |
| 341 |
= key64->k[0][1][o].a[j] |
| 342 |
= ~key64->k[0][0][o].a[j]; |
| 343 |
} |
| 344 |
else |
| 345 |
{ |
| 346 |
assert(o >= 28); |
| 347 |
assert(o < 56); |
| 348 |
for (j = 0; j < N_ALU; j++) |
| 349 |
key64->k[1][0][o - 28].a[j] |
| 350 |
= key64->k[1][1][o - 28].a[j] |
| 351 |
= ~key64->k[1][0][o - 28].a[j]; |
| 352 |
} |
| 353 |
} |
| 354 |
} |
| 355 |
} |
| 356 |
|
| 357 |
/* 指定されたクラスの開始値にリセット |
| 358 |
直前の文字のクラスに縛られる */ |
| 359 |
int |
| 360 |
key_reset(struct KS_KEY *key, int n) |
| 361 |
{ |
| 362 |
if (n >= 8) |
| 363 |
return 1; |
| 364 |
if (n == 7) |
| 365 |
{ |
| 366 |
key->key[7] = 0; |
| 367 |
return 1; |
| 368 |
} |
| 369 |
|
| 370 |
/* 0-2 文字目はランダムに決める |
| 371 |
3 文字目以降は初期値に */ |
| 372 |
if (n >= KEY_SHUFFLE_POS) |
| 373 |
key->key[n] = key_set(key, n, 0); |
| 374 |
else |
| 375 |
key->key[n] = key_set(key, n, rand()); |
| 376 |
|
| 377 |
#ifdef KEYLOG |
| 378 |
if ( keyLog && (n == 2) ) { |
| 379 |
FILE *fp; |
| 380 |
int i; |
| 381 |
struct timeb tb; |
| 382 |
struct tm *plt; |
| 383 |
|
| 384 |
ftime( &tb ); |
| 385 |
plt = localtime( &tb.time ); |
| 386 |
|
| 387 |
WaitForSingleObject( mutexKeylog, INFINITE ); |
| 388 |
|
| 389 |
if ( (fp = fopen( KEY_LOG_FILE, "at" )) == NULL ) { |
| 390 |
perror( KEY_LOG_FILE ); |
| 391 |
exit( 1 ); |
| 392 |
} |
| 393 |
fprintf( fp, "%02x%02x%02x", key->key[0], key->key[1], key->key[2] ); |
| 394 |
fprintf( fp, "\t%04d/%02d/%02d %02d:%02d:%02d.%03d\n", |
| 395 |
plt->tm_year + 1900, plt->tm_mon + 1, plt->tm_mday, |
| 396 |
plt->tm_hour, plt->tm_min, plt->tm_sec, tb.millitm ); |
| 397 |
fclose( fp ); |
| 398 |
|
| 399 |
ReleaseMutex( mutexKeylog ); |
| 400 |
} |
| 401 |
#endif /* KEYLOG */ |
| 402 |
|
| 403 |
#if DEBUG>=3 |
| 404 |
printf("key[%d]=%02X ncls=%04X\n", n, key[n], kcls[n].map[key[n]]); |
| 405 |
#endif |
| 406 |
|
| 407 |
/* セットされた文字を元に、次キャラの文字クラスを決める */ |
| 408 |
key_make_map(key, n); |
| 409 |
|
| 410 |
return key_reset(key, n + 1); |
| 411 |
} |
| 412 |
|
| 413 |
/* 指定された鍵空間の中で、キーをひとつ進める |
| 414 |
安全にインクリメントできた場合 true を返す */ |
| 415 |
int |
| 416 |
key_inc(struct KS_KEY *key, int n, int e) |
| 417 |
{ |
| 418 |
if (n >= 8) |
| 419 |
return 0; |
| 420 |
else if (n == 7) |
| 421 |
{ |
| 422 |
/* 最後のバイト */ |
| 423 |
uint8_t o_k = (key->key[7] + (1 << N_STRIDE)) & 0x7F; |
| 424 |
if (!o_k) |
| 425 |
return 0; /* インクリメントできなかったときは次へ進めず待つ */ |
| 426 |
|
| 427 |
/* 進める */ |
| 428 |
key->key[7] = o_k; |
| 429 |
return 1; |
| 430 |
} |
| 431 |
else if (n >= e - 1) |
| 432 |
{ |
| 433 |
/* do nothing */ |
| 434 |
} |
| 435 |
else if (key_inc(key, n + 1, e) |
| 436 |
/* |
| 437 |
&& key_inc(n + 1) |
| 438 |
&& key_inc(n + 1) |
| 439 |
&& key_inc(n + 1)*/ |
| 440 |
) |
| 441 |
return 1; |
| 442 |
|
| 443 |
/* Salt はインクリメントしない約束にする */ |
| 444 |
if (n == 1 || n == 2) |
| 445 |
return 1; |
| 446 |
|
| 447 |
#if DEBUG>=3 |
| 448 |
printf("key_inc(n=%d,ck=%02X)\n", n, key->key[n]); |
| 449 |
#endif |
| 450 |
|
| 451 |
#if USE_DT |
| 452 |
/* 辞書語はインクリメントしていい約束にする */ |
| 453 |
if (3 <= n && n < 7 && kd[n - 3]) |
| 454 |
{ |
| 455 |
if ((key->key[n - 3] & 0x7F) == ((kd[n - 3] + 1)->c[0] & 0x7F) |
| 456 |
&& (key->key[n - 2] & 0x7F) == ((kd[n - 3] + 1)->c[1] & 0x7F) |
| 457 |
&& (key->key[n - 1] & 0x7F) == ((kd[n - 3] + 1)->c[2] & 0x7F)) |
| 458 |
{ |
| 459 |
memcpy(&key->key[n - 3], &(++kd[n - 3])->c[0], 4); |
| 460 |
#if DEBUG>=2 |
| 461 |
printf(">dt_get:%c%c%c%c(%02X%02X:%02X%02X)\n", |
| 462 |
kd[n - 3]->c[0], kd[n - 3]->c[1], kd[n - 3]->c[2], kd[n - 3]->c[3], |
| 463 |
kd[n - 3]->c[0], kd[n - 3]->c[1], kd[n - 3]->c[2], kd[n - 3]->c[3]); |
| 464 |
#endif |
| 465 |
return 1; |
| 466 |
} |
| 467 |
else |
| 468 |
{ |
| 469 |
return 0; |
| 470 |
} |
| 471 |
} |
| 472 |
else if (2 <= n && n < 6 && kd[n - 2]) |
| 473 |
{ |
| 474 |
if ((key->key[n - 2] & 0x7F) == ((kd[n - 2] + 1)->c[0] & 0x7F) |
| 475 |
&& (key->key[n - 1] & 0x7F) == ((kd[n - 2] + 1)->c[1] & 0x7F)) |
| 476 |
{ |
| 477 |
memcpy(&key->key[n - 2], &(++kd[n - 2])->c[0], 4); |
| 478 |
#if DEBUG>=2 |
| 479 |
printf(">dt_get:%c%c%c%c(%02X%02X:%02X%02X)\n", |
| 480 |
kd[n - 2]->c[0], kd[n - 2]->c[1], kd[n - 2]->c[2], kd[n - 2]->c[3], |
| 481 |
kd[n - 2]->c[0], kd[n - 2]->c[1], kd[n - 2]->c[2], kd[n - 2]->c[3]); |
| 482 |
#endif |
| 483 |
return 1; |
| 484 |
} |
| 485 |
else |
| 486 |
{ |
| 487 |
return 0; |
| 488 |
} |
| 489 |
if (kd[n - 2]->c[0] == key->key[n - 2]) |
| 490 |
return 1; |
| 491 |
else |
| 492 |
return 0; |
| 493 |
} |
| 494 |
else if (1 <= n && n < 5 && kd[n - 1]) |
| 495 |
{ |
| 496 |
unsigned c2 = kd[n - 1]->c[0]; |
| 497 |
if ((0x81 <= c2 && c2 <= 0x9F) |
| 498 |
|| (0xE0 <= c2 && c2 <= 0xFC)) |
| 499 |
{ |
| 500 |
kd[n - 1] = NULL; |
| 501 |
#if 0 |
| 502 |
if (!(n == 1 && n == 2)) |
| 503 |
key->key[n] &= 0x7F; |
| 504 |
if (!(n == 2 && n == 3)) |
| 505 |
key->key[n - 1] &= 0x7F; |
| 506 |
#endif |
| 507 |
key_make_map(n - 1); |
| 508 |
} |
| 509 |
else if ((key->key[n - 1] & 0x7F) == ((kd[n - 1] + 1)->c[0] & 0x7F)) |
| 510 |
{ |
| 511 |
memcpy(&key->key[n - 1], &(++kd[n - 1])->c[0], 4); |
| 512 |
#if DEBUG>=2 |
| 513 |
printf(">dt_get:%c%c%c%c(%02X%02X:%02X%02X)\n", |
| 514 |
kd[n - 1]->c[0], kd[n - 1]->c[1], kd[n - 1]->c[2], kd[n - 1]->c[3], |
| 515 |
kd[n - 1]->c[0], kd[n - 1]->c[1], kd[n - 1]->c[2], kd[n - 1]->c[3]); |
| 516 |
#endif |
| 517 |
return 1; |
| 518 |
} |
| 519 |
else |
| 520 |
{ |
| 521 |
return 0; |
| 522 |
} |
| 523 |
#if 0 |
| 524 |
if (kd[n - 1]->c[0] == key->key[n - 1]) |
| 525 |
return 1; |
| 526 |
else |
| 527 |
return 0; |
| 528 |
#endif |
| 529 |
} |
| 530 |
else if (n < 4 && kd[n]) |
| 531 |
{ |
| 532 |
if (0 && kd[n]->c[0] == key->key[n]) |
| 533 |
return 1; |
| 534 |
kd[n] = NULL; |
| 535 |
#if 0 |
| 536 |
if (!(n == 1 || n == 2)) |
| 537 |
key->key[n] &= 0x7F; |
| 538 |
#endif |
| 539 |
} |
| 540 |
#endif |
| 541 |
|
| 542 |
/* 実際に増やしてみる */ |
| 543 |
assert(n >= 3); |
| 544 |
for (;;) |
| 545 |
{ |
| 546 |
#if USE_DT |
| 547 |
if (n <= 3 |
| 548 |
&& !(key->key[n] & 0x80) |
| 549 |
&& kcls[n].map[key->key[n] ^ 0x80] & (KCLS_DT0)) |
| 550 |
{ |
| 551 |
/* 半角カタカナの1バイト目 */ |
| 552 |
key->key[n] ^= 0x80; |
| 553 |
} |
| 554 |
else |
| 555 |
#endif |
| 556 |
{ |
| 557 |
key->key[n] = (key->key[n] & 0x7F) + 1; |
| 558 |
if (key->key[n] >= 0x80) |
| 559 |
{ |
| 560 |
key->key[n] = 0xFF; /* 次に突入させないため */ |
| 561 |
return 0; |
| 562 |
} |
| 563 |
} |
| 564 |
|
| 565 |
if (key->map[n][key->key[n]]) |
| 566 |
{ |
| 567 |
key_make_map(key, n); |
| 568 |
key_reset(key, n + 1); |
| 569 |
return 1; |
| 570 |
} |
| 571 |
} |
| 572 |
} |
| 573 |
|
| 574 |
/* 鍵を完全にリセットする |
| 575 |
Saltもセットし直す */ |
| 576 |
void |
| 577 |
key_init(struct KS_KEY *key) |
| 578 |
{ |
| 579 |
int i, j; |
| 580 |
|
| 581 |
#if USE_DT |
| 582 |
/* 辞書を、インデクスを作りながらマップにはめこんで逝く |
| 583 |
辞書はコード順昇順に並んでるものとする */ |
| 584 |
for (i = 0; i < dtcnt; i++) |
| 585 |
{ |
| 586 |
unsigned c = dt[i].c[0]; |
| 587 |
|
| 588 |
assert(dt[i].c[0] |
| 589 |
&& dt[i].c[1] |
| 590 |
&& dt[i].c[2] |
| 591 |
&& dt[i].c[3]); |
| 592 |
|
| 593 |
/* BSD 鯖でしにそうな文字は残念ながら除外 */ |
| 594 |
assert((dt[i].c[0] & 0x7F) |
| 595 |
&& (dt[i].c[1] & 0x7F) |
| 596 |
&& (dt[i].c[2] & 0x7F) |
| 597 |
&& (dt[i].c[3] & 0x7F)); |
| 598 |
|
| 599 |
/* インデクス */ |
| 600 |
if (!dtidx[c]) |
| 601 |
dtidx[c] = &dt[i]; |
| 602 |
|
| 603 |
if ((0x81 <= c && c <= 0x9F) |
| 604 |
|| (0xE0 <= c && c <= 0xFC)) |
| 605 |
{ |
| 606 |
/* 全角なので、2バイトきまった時点で立てる */ |
| 607 |
cp932[256 * c + dt[i].c[1]] |= KCLS_DT1; |
| 608 |
} |
| 609 |
else if (0xA1 <= c && c <= 0xDF) |
| 610 |
{ |
| 611 |
/* 半角カナ */ |
| 612 |
for (j = 0; j < 256; j++) |
| 613 |
cp932[256 * c + j] |= KCLS_DT0; |
| 614 |
} |
| 615 |
} |
| 616 |
/* ケツ、ちうか番人 */ |
| 617 |
dtidx[0x100] = &dt[i]; |
| 618 |
#endif |
| 619 |
|
| 620 |
key->key[8] = 0; |
| 621 |
|
| 622 |
/* 初期マップを組む */ |
| 623 |
for (i = 0; i < 256; i++) |
| 624 |
{ |
| 625 |
unsigned bm = 0; |
| 626 |
key->map[0][i] = 0; |
| 627 |
for (j = 0; j < 256; j++) |
| 628 |
bm |= cp932[256 * i + j]; |
| 629 |
key->map[0][i] = bm & (KCLS_AN | KCLS_KA | KCLS_K1 |
| 630 |
| KCLS_DT0 |
| 631 |
); |
| 632 |
if (i >= 128) |
| 633 |
key->map[0][i - 128] |= key->map[0][i]; |
| 634 |
} |
| 635 |
|
| 636 |
key_reset(key, 0); |
| 637 |
} |
| 638 |
|
| 639 |
/*************************************************************** |
| 640 |
* |
| 641 |
* 固定キーの生成 |
| 642 |
* |
| 643 |
* 一見 Big Endian に非対応のように見えるだろうが |
| 644 |
* 随所でに散らばっている kludge により |
| 645 |
* ALU_T が 64 ビットである限り、これで問題なく動く。 |
| 646 |
* |
| 647 |
*/ |
| 648 |
|
| 649 |
void |
| 650 |
key_init_sk(struct KEY *key) |
| 651 |
{ |
| 652 |
int i, j; |
| 653 |
int o; |
| 654 |
uint64_t m; |
| 655 |
|
| 656 |
for (i = 5, m = 0xFFFFFFFF00000000ULL; |
| 657 |
i >= 0; |
| 658 |
m ^= (m >> (1 << --i))) |
| 659 |
{ |
| 660 |
o = tr_pc1[7][6 - i] - 1; |
| 661 |
#if DEBUG>=2 |
| 662 |
printf("%d:%d->%2d: %08X%08X\n", |
| 663 |
N_Q, i, o, |
| 664 |
(unsigned)(m >> 32), |
| 665 |
(unsigned)m); |
| 666 |
#endif |
| 667 |
for (j = 0; j < N_Q; j++) |
| 668 |
if (o < 28) |
| 669 |
key->k[0][0][o ].q[j] = key->k[0][1][o ].q[j] = m; |
| 670 |
else |
| 671 |
key->k[1][0][o - 28].q[j] = key->k[1][1][o - 28].q[j] = m; |
| 672 |
} |
| 673 |
#if N_STRIDE==7 |
| 674 |
/* bit 6 は Little Endian として扱う */ |
| 675 |
o = 0; |
| 676 |
assert(tr_pc1[7][0] - 1 == o); |
| 677 |
assert(N_Q == 2); |
| 678 |
key->k[0][0][o].q[0] = key->k[0][1][o].q[0] = 0x0000000000000000ULL; |
| 679 |
key->k[0][0][o].q[1] = key->k[0][1][o].q[1] = 0xFFFFFFFFFFFFFFFFULL; |
| 680 |
#endif |
| 681 |
} |
| 682 |
|
| 683 |
/*************************************************************** |
| 684 |
* |
| 685 |
* Salt のセット |
| 686 |
* オペランドのオフセットを書き換えて回ってるので注意 |
| 687 |
* |
| 688 |
*/ |
| 689 |
|
| 690 |
void |
| 691 |
set_salt(CODE_T *code, |
| 692 |
struct CRYPT64_DESC const *desc, |
| 693 |
uint8_t const *k) |
| 694 |
{ |
| 695 |
int i, j; |
| 696 |
|
| 697 |
for (i = 0; i < 2; i++) |
| 698 |
{ |
| 699 |
unsigned s = k[1 + i] & 255; |
| 700 |
if (s > 'z') |
| 701 |
s = 0; |
| 702 |
else if (s >= 'a') |
| 703 |
s = s - 'a' + 2 + 10 + 26; |
| 704 |
else if (s >= 'A') |
| 705 |
s = s - 'A' + 2 + 10; |
| 706 |
else if (s >= '.') |
| 707 |
s = s - '.'; |
| 708 |
else |
| 709 |
s = 0; |
| 710 |
|
| 711 |
OLDPRINT( "Salt %d:%02x\n", i, s & 63 ); |
| 712 |
|
| 713 |
#if DEBUG>=1 |
| 714 |
printf("Salt %d:%3o\n", i, s & 63); |
| 715 |
#endif |
| 716 |
for (j = 0; j < 6; j++) |
| 717 |
{ |
| 718 |
#if DEBUG>=2 |
| 719 |
//printf("Salt %d:%d %+3d:%+3d", |
| 720 |
printf("Salt %d:%d %08lX:%08lX", |
| 721 |
i, j, |
| 722 |
LSALT(desc, code, 0, i, j, 0), |
| 723 |
LSALT(desc, code, 0, i, j, 24)); |
| 724 |
#endif |
| 725 |
if (s & (1 << j)) |
| 726 |
{ |
| 727 |
LSALT(desc, code, 0, i, j, 0) = sizeof(WS_T) * (((4 * i + j + 15) & 31) - 16); |
| 728 |
LSALT(desc, code, 0, i, j, 24) = sizeof(WS_T) * (((4 * i + j - 1) & 31) - 16); |
| 729 |
} |
| 730 |
else |
| 731 |
{ |
| 732 |
LSALT(desc, code, 0, i, j, 0) = sizeof(WS_T) * (((4 * i + j - 1) & 31) - 16); |
| 733 |
LSALT(desc, code, 0, i, j, 24) = sizeof(WS_T) * (((4 * i + j + 15) & 31) - 16); |
| 734 |
} |
| 735 |
LSALT(desc, code, 0, i, j, 12) = sizeof(WS_T) * (((4 * i + j + 7) & 31) - 16); |
| 736 |
LSALT(desc, code, 0, i, j, 36) = sizeof(WS_T) * (((4 * i + j + 23) & 31) - 16); |
| 737 |
#if DEBUG>=2 |
| 738 |
//printf(" => %+3d:%+3d\n", |
| 739 |
printf(" => %08lX:%08lX\n", |
| 740 |
LSALT(desc, code, 0, i, j, 0), |
| 741 |
LSALT(desc, code, 0, i, j, 24)); |
| 742 |
#endif |
| 743 |
} |
| 744 |
} |
| 745 |
} |
| 746 |
|
| 747 |
#ifdef KEYLOG |
| 748 |
void |
| 749 |
initMutexKeylog() |
| 750 |
{ |
| 751 |
mutexKeylog = CreateMutex(NULL, FALSE, NULL); |
| 752 |
} |
| 753 |
#endif /* KEYLOG */ |
| 754 |
|
| 755 |
/* |
| 756 |
* Local Variables: |
| 757 |
* tab-width: 4 |
| 758 |
* End: |
| 759 |
* |
| 760 |
* EOF */ |