| 1 |
/*********************************************************************** |
| 2 |
* |
| 3 |
* file: mty.c |
| 4 |
* |
| 5 |
* まあ、待て屋。 |
| 6 |
* |
| 7 |
* $Id$ |
| 8 |
* |
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*/ |
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|
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#include <assert.h> |
| 12 |
#include <ctype.h> |
| 13 |
#include <errno.h> |
| 14 |
#include <malloc.h> |
| 15 |
#include <limits.h> |
| 16 |
#include <stdarg.h> |
| 17 |
#include <stddef.h> |
| 18 |
#include <stdio.h> |
| 19 |
#include <stdlib.h> |
| 20 |
#include <string.h> |
| 21 |
#include <time.h> |
| 22 |
|
| 23 |
#if defined(WIN32) |
| 24 |
|
| 25 |
#include <windows.h> |
| 26 |
#include <sys/timeb.h> |
| 27 |
|
| 28 |
#elif defined(__GNUC__) |
| 29 |
|
| 30 |
#include <sys/mman.h> |
| 31 |
#include <sys/time.h> |
| 32 |
|
| 33 |
#endif |
| 34 |
|
| 35 |
#include "config.h" |
| 36 |
#include "cp932.h" |
| 37 |
#include "crypt64.h" |
| 38 |
#include "desconst.h" |
| 39 |
#include "expr.h" |
| 40 |
#include "translate.h" |
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|
| 42 |
#if USE_DT |
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#include "dt4.h" |
| 44 |
#endif |
| 45 |
|
| 46 |
#define N_I (sizeof(WS_T) / sizeof(uint32_t)) |
| 47 |
#define N_ALU (sizeof(WS_T) / sizeof(ALU_T)) |
| 48 |
#define ALU_BITS (CHAR_BIT * sizeof(ALU_T)) |
| 49 |
|
| 50 |
/* 1ビット分 */ |
| 51 |
typedef union SLICE |
| 52 |
{ |
| 53 |
uint32_t i[N_I]; /* 32-bit initializer */ |
| 54 |
ALU_T a[N_ALU]; /* C で扱いやすいサイズ */ |
| 55 |
WS_T w; /* エンコードで扱うサイズ */ |
| 56 |
} SLICE; |
| 57 |
|
| 58 |
/* crypt64() が喰うパラメータ */ |
| 59 |
struct PARAM |
| 60 |
{ |
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SLICE lr[2][32]; |
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SLICE t[32]; |
| 63 |
SLICE hit[10][64]; |
| 64 |
SLICE hiti[10][26]; |
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}; |
| 66 |
|
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/* 鍵はLR と、そのコピーが必要 |
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KEY::k[0] LR |
| 69 |
KEY::k[1] LRのコピー(剰余を省くため) |
| 70 |
KEY::k[2][0][i].a[0] 次鍵への増分 */ |
| 71 |
struct KEY |
| 72 |
{ |
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SLICE k[2][2][28]; |
| 74 |
SLICE ks[28]; |
| 75 |
}; |
| 76 |
|
| 77 |
/* 鍵文字列 */ |
| 78 |
unsigned char key[8 + 8]; |
| 79 |
unsigned char okey[8 + 8]; |
| 80 |
|
| 81 |
/* 鍵クラス */ |
| 82 |
static |
| 83 |
struct |
| 84 |
{ |
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unsigned cls; |
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unsigned map[256]; |
| 87 |
} kcls[8 + 8]; |
| 88 |
|
| 89 |
|
| 90 |
/* 拡張鍵クラス */ |
| 91 |
#define KCLS_DT0 64 |
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#define KCLS_DT1 128 |
| 93 |
#define KCLS_K2 256 |
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|
| 95 |
#if USE_DT |
| 96 |
/* 鍵キメ用辞書インデクス */ |
| 97 |
struct DT *kd[8 + 8]; |
| 98 |
|
| 99 |
/* 辞書インデクス */ |
| 100 |
struct DT *dtidx[0x100 + 1]; |
| 101 |
#endif |
| 102 |
|
| 103 |
/* 指定されたクラスと入っているキーから、classify を行う */ |
| 104 |
void |
| 105 |
key_make_map(int n) |
| 106 |
{ |
| 107 |
int i, j; |
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unsigned c = kcls[n].map[key[n]]; |
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|
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#if USE_DT |
| 111 |
if (3 <= n && n < 7 && kd[n - 3]) |
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{ |
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/* 辞書のケツの文字。後ろにナニヤラキャラクタが来る */ |
| 114 |
c = kd[n - 3]->c[0]; |
| 115 |
if ((0x81 <= c && c <= 0x9F) |
| 116 |
|| (0xE0 <= c && c <= 0xFC)) |
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c = KCLS_K2; |
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else |
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c = (cp932[256 * key[n]] |
| 120 |
| cp932[256 * (key[n] ^ 0x80)]); |
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#if DEBUG>=1 |
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printf("*n=%d, key=%02X, cls=%04X\n", |
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n, |
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key[n], |
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c); |
| 126 |
#endif |
| 127 |
} |
| 128 |
else if (2 <= n && n < 6 && kd[n - 2]) |
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{ |
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return; |
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} |
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else if (1 <= n && n < 5 && kd[n - 1]) |
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{ |
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return; |
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} |
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else if (1 <= n && n < 5 && !kd[n - 1] |
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//&& (c & KCLS_K2) |
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&& (c & KCLS_DT1)) |
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{ |
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/* 漢字2文字を拾っていきまつ */ |
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#if DEBUG>=1 |
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printf("(%d)%02X %02X(%02X:%02X:%02X:%02X)\n", |
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n, key[n - 1], key[n], |
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cp932[(256 * key[n - 1] + key[n])], |
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cp932[(256 * key[n - 1] + key[n]) ^ 0x0080], |
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cp932[(256 * key[n - 1] + key[n]) ^ 0x8000], |
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cp932[(256 * key[n - 1] + key[n]) ^ 0x8080]); |
| 148 |
#endif |
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if (n != 1 && n != 2 |
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&& (cp932[(256 * key[n - 1] + key[n]) ^ 0x0080] & KCLS_DT1)) |
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key[n] ^= 0x80; |
| 152 |
else if (n != 2 && n != 3 |
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&& (cp932[(256 * key[n - 1] + key[n]) ^ 0x8000] & KCLS_DT1)) |
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key[n - 1] ^= 0x80; |
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else if (n > 3 && (cp932[(256 * key[n - 1] + key[n]) ^ 0x8080] & KCLS_DT1)) |
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key[n - 1] ^= 0x80, key[n] ^= 0x80; |
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if (cp932[256 * key[n - 1] + key[n]] & KCLS_DT1) |
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{ |
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for (kd[n - 1] = dtidx[key[n - 1]]; |
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kd[n - 1]->c[1] != key[n]; |
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kd[n - 1]++) |
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assert(kd[n - 1]->c[0] == key[n - 1]); |
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#if DEBUG>=1 |
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printf("(%02X%02X:%02X%02X)%c%c%c%c\n", |
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kd[n - 1]->c[0], |
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kd[n - 1]->c[1], |
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kd[n - 1]->c[2], |
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kd[n - 1]->c[3], |
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kd[n - 1]->c[0], |
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kd[n - 1]->c[1], |
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kd[n - 1]->c[2], |
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kd[n - 1]->c[3]); |
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#endif |
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return; |
| 175 |
} |
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} |
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else if (n < 4 && (c & KCLS_DT0) && kd[n] == NULL) |
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{ |
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/* カタカナ埋め込みいきます */ |
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assert(kd[n] == NULL); |
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#if DEBUG>=1 |
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printf("n=%d, key=%02X\n", n, key[n]); |
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#endif |
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kd[n] = dtidx[key[n]]; |
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if (!kd[n] |
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&& !(n == 1 || n == 2) |
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&& dtidx[key[n] ^ 0x80]) |
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{ |
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key[n] ^= 0x80; |
| 190 |
kd[n] = dtidx[key[n]]; |
| 191 |
} |
| 192 |
if (kd[n]) |
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return; |
| 194 |
} |
| 195 |
else |
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{ |
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kd[n] = NULL; |
| 198 |
} |
| 199 |
#endif |
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|
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/* 最後の部分は class map を生成する必要ナシ */ |
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if (n >= 6) |
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return; |
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|
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for (i = 0; i < 256; i++) |
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{ |
| 207 |
unsigned bm = 0; |
| 208 |
#if 1 |
| 209 |
if (c & KCLS_K1) |
| 210 |
{ |
| 211 |
if (cp932[256 * key[n] + i] & KCLS_K1) |
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bm |= KCLS_K2 | (cp932[256 * key[n] + i] & KCLS_DT1); |
| 213 |
if (cp932[256 * (key[n] ^ 0x80) + i] & KCLS_K1) |
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bm |= KCLS_K2 | (cp932[256 * (key[n] ^ 0x80) + i] & KCLS_DT1); |
| 215 |
#if 0 |
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bm |= ((cp932[256 * key[n] + i] & KCLS_K1) |
| 217 |
|| (cp932[256 * (key[n] ^ 0x80) + i] & KCLS_K1) |
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? KCLS_K2 : 0); |
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#endif |
| 220 |
} |
| 221 |
if (c & (KCLS_AN | KCLS_KA | KCLS_K2)) |
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for (j = 0; j < 256; j++) |
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{ |
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bm |= cp932[256 * i + j] & (KCLS_AN | KCLS_KA | KCLS_K1 |
| 225 |
| KCLS_DT0); |
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#if 0 |
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if (j >= 127 && !(n == 0 || n == 1)) |
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break; |
| 229 |
#endif |
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} |
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kcls[n + 1].map[i] = bm; |
| 232 |
#endif |
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if (i >= 128 && !(n == 0 || n == 1)) |
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kcls[n + 1].map[i - 128] |= kcls[n + 1].map[i]; |
| 235 |
} |
| 236 |
|
| 237 |
if (n < 6) |
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kcls[n + 1].map[0x00] = kcls[n + 1].map[0x80] = 0; |
| 239 |
if (n == 6) |
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kcls[7].map[0x00] |= KCLS_AN; |
| 241 |
} |
| 242 |
|
| 243 |
#if USE_DT |
| 244 |
unsigned |
| 245 |
dt_get(int kdn, |
| 246 |
int xn, |
| 247 |
int n, |
| 248 |
int ch) |
| 249 |
{ |
| 250 |
int i; |
| 251 |
#if DEBUG>=1 |
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printf("*dt_get(%d)%c%c%c%c(%02X%02X:%02X%02X)->ch=%d", |
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n, |
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kd[kdn]->c[0], kd[kdn]->c[1], kd[kdn]->c[2], kd[kdn]->c[3], |
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kd[kdn]->c[0], kd[kdn]->c[1], kd[kdn]->c[2], kd[kdn]->c[3], |
| 256 |
ch); |
| 257 |
#endif |
| 258 |
/* まずは数える */ |
| 259 |
for (i = 0; |
| 260 |
kd[kdn][i].c[xn] == kd[kdn]->c[xn]; |
| 261 |
i++) |
| 262 |
; |
| 263 |
assert(i > 0); |
| 264 |
kd[kdn] += ch % i; |
| 265 |
#if DEBUG>=1 |
| 266 |
printf("/%d\n dt_get: %c%c%c%c(%02X%02X:%02X%02X)->ch=%d\n", |
| 267 |
i, |
| 268 |
kd[kdn]->c[0], kd[kdn]->c[1], kd[kdn]->c[2], kd[kdn]->c[3], |
| 269 |
kd[kdn]->c[0], kd[kdn]->c[1], kd[kdn]->c[2], kd[kdn]->c[3], |
| 270 |
ch); |
| 271 |
#endif |
| 272 |
return kd[kdn]->c[n]; |
| 273 |
} |
| 274 |
#endif |
| 275 |
|
| 276 |
/* マップから文字を拾ってセット */ |
| 277 |
unsigned |
| 278 |
key_set(int n, unsigned ch) |
| 279 |
{ |
| 280 |
int cnt = 0, i; |
| 281 |
|
| 282 |
#if USE_DT |
| 283 |
if (3 <= n && n < 7 && kd[n - 3]) |
| 284 |
{ |
| 285 |
return dt_get(n - 3, 2, 3, ch); |
| 286 |
return kd[n - 3]->c[3]; |
| 287 |
} |
| 288 |
else if (2 <= n && n < 6 && kd[n - 2]) |
| 289 |
{ |
| 290 |
return dt_get(n - 2, 1, 2, ch); |
| 291 |
return kd[n - 2]->c[2]; |
| 292 |
} |
| 293 |
else if (1 <= n && n < 5 && kd[n - 1]) |
| 294 |
{ |
| 295 |
return dt_get(n - 1, 0, 1, ch); |
| 296 |
return kd[n - 1]->c[1]; |
| 297 |
} |
| 298 |
#endif |
| 299 |
|
| 300 |
#if DEBUG>=3 |
| 301 |
if (cnt == 0) |
| 302 |
{ |
| 303 |
printf("n=%d, ch=%d, (n-1)=%02X\n", n, ch, key[n - 1]); |
| 304 |
int j; |
| 305 |
for (i = 0; i < 16; i++) |
| 306 |
{ |
| 307 |
printf("map[0x%02X] =", 16 * i); |
| 308 |
for (j = 0; j < 16; j++) |
| 309 |
printf(" %03X", kcls[n].map[16 * i + j]); |
| 310 |
printf("\n"); |
| 311 |
} |
| 312 |
} |
| 313 |
#endif |
| 314 |
for (i = 0; i < 256; i++) |
| 315 |
{ |
| 316 |
if (kcls[n].map[i]) |
| 317 |
{ |
| 318 |
if (ch-- == 0) |
| 319 |
return i; |
| 320 |
cnt++; |
| 321 |
} |
| 322 |
if (n != 1 && n != 2 && i >= 127) |
| 323 |
break; |
| 324 |
} |
| 325 |
/* 見つからなかったのでもいっぺん */ |
| 326 |
assert(cnt > 0); |
| 327 |
ch %= cnt; |
| 328 |
for (i = 0; i < 256; i++) |
| 329 |
if (kcls[n].map[i]) |
| 330 |
{ |
| 331 |
if (ch-- == 0) |
| 332 |
return i; |
| 333 |
} |
| 334 |
assert(!"not matched"); |
| 335 |
return 0; |
| 336 |
} |
| 337 |
|
| 338 |
/* bitwise key をセット */ |
| 339 |
static |
| 340 |
void |
| 341 |
key_set64(struct KEY *key64, |
| 342 |
int n, |
| 343 |
unsigned k, |
| 344 |
unsigned vk, |
| 345 |
unsigned sk) |
| 346 |
{ |
| 347 |
int i, j; |
| 348 |
if (!((vk | sk) & 0x7F)) |
| 349 |
return; |
| 350 |
|
| 351 |
for (i = 0; i < 7; i++) |
| 352 |
{ |
| 353 |
if (n == 7 && i < N_STRIDE) continue; |
| 354 |
if (sk & (1 << i)) |
| 355 |
{ |
| 356 |
/* セット */ |
| 357 |
int o = tr_pc1[n][6 - i] - 1; |
| 358 |
if (o < 28) |
| 359 |
{ |
| 360 |
assert(o >= 0); |
| 361 |
for (j = 0; j < N_ALU; j++) |
| 362 |
key64->k[0][0][o].a[j] |
| 363 |
= key64->k[0][1][o].a[j] |
| 364 |
= -!!(k & (1 << i)); |
| 365 |
} |
| 366 |
else |
| 367 |
{ |
| 368 |
assert(o >= 28); |
| 369 |
assert(o < 56); |
| 370 |
for (j = 0; j < N_ALU; j++) |
| 371 |
key64->k[1][0][o - 28].a[j] |
| 372 |
= key64->k[1][1][o - 28].a[j] |
| 373 |
= -!!(k & (1 << i)); |
| 374 |
} |
| 375 |
} |
| 376 |
else if (vk & (1 << i)) |
| 377 |
{ |
| 378 |
/* 反転 */ |
| 379 |
int o = tr_pc1[n][6 - i] - 1; |
| 380 |
if (o < 28) |
| 381 |
{ |
| 382 |
assert(o >= 0); |
| 383 |
for (j = 0; j < N_ALU; j++) |
| 384 |
key64->k[0][0][o].a[j] |
| 385 |
= key64->k[0][1][o].a[j] |
| 386 |
= ~key64->k[0][0][o].a[j]; |
| 387 |
} |
| 388 |
else |
| 389 |
{ |
| 390 |
assert(o >= 28); |
| 391 |
assert(o < 56); |
| 392 |
for (j = 0; j < N_ALU; j++) |
| 393 |
key64->k[1][0][o - 28].a[j] |
| 394 |
= key64->k[1][1][o - 28].a[j] |
| 395 |
= ~key64->k[1][0][o - 28].a[j]; |
| 396 |
} |
| 397 |
} |
| 398 |
} |
| 399 |
} |
| 400 |
|
| 401 |
/* 指定されたクラスの開始値にリセット |
| 402 |
直前の文字のクラスに縛られる */ |
| 403 |
int |
| 404 |
key_reset(int n) |
| 405 |
{ |
| 406 |
if (n >= 8) |
| 407 |
return 1; |
| 408 |
if (n == 7) |
| 409 |
{ |
| 410 |
key[7] = 0; |
| 411 |
return 1; |
| 412 |
} |
| 413 |
|
| 414 |
/* 0-2 文字目はランダムに決める |
| 415 |
3 文字目以降は初期値に */ |
| 416 |
if (n >= 3) |
| 417 |
key[n] = key_set(n, 0); |
| 418 |
else |
| 419 |
key[n] = key_set(n, rand()); |
| 420 |
|
| 421 |
#if DEBUG>=3 |
| 422 |
printf("key[%d]=%02X ncls=%04X\n", n, key[n], kcls[n].map[key[n]]); |
| 423 |
#endif |
| 424 |
|
| 425 |
/* 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 */ |
| 426 |
key_make_map(n); |
| 427 |
|
| 428 |
return key_reset(n + 1); |
| 429 |
} |
| 430 |
|
| 431 |
/* 指定された鍵空間の中で、キーをひとつ進める |
| 432 |
安全にインクリメントできた場合 true を返す */ |
| 433 |
static |
| 434 |
int |
| 435 |
key_inc(int n) |
| 436 |
{ |
| 437 |
if (n >= 8) |
| 438 |
return 0; |
| 439 |
else if (n == 7) |
| 440 |
{ |
| 441 |
/* 最後のバイト */ |
| 442 |
key[7] = (key[7] + (1 << N_STRIDE)) & 0x7F; |
| 443 |
if (key[7]) return 1; |
| 444 |
else return 0; |
| 445 |
} |
| 446 |
else if (key_inc(n + 1) |
| 447 |
/* |
| 448 |
&& key_inc(n + 1) |
| 449 |
&& key_inc(n + 1) |
| 450 |
&& key_inc(n + 1)*/ |
| 451 |
) |
| 452 |
return 1; |
| 453 |
|
| 454 |
/* Salt はインクリメントしない約束にする */ |
| 455 |
if (n == 1 || n == 2) |
| 456 |
return 1; |
| 457 |
|
| 458 |
#if DEBUG>=3 |
| 459 |
printf("key_inc(n=%d,ck=%02X)\n", n, key[n]); |
| 460 |
#endif |
| 461 |
|
| 462 |
#if USE_DT |
| 463 |
/* 辞書語はインクリメントしていい約束にする */ |
| 464 |
if (3 <= n && n < 7 && kd[n - 3]) |
| 465 |
{ |
| 466 |
if ((key[n - 3] & 0x7F) == ((kd[n - 3] + 1)->c[0] & 0x7F) |
| 467 |
&& (key[n - 2] & 0x7F) == ((kd[n - 3] + 1)->c[1] & 0x7F) |
| 468 |
&& (key[n - 1] & 0x7F) == ((kd[n - 3] + 1)->c[2] & 0x7F)) |
| 469 |
{ |
| 470 |
memcpy(&key[n - 3], &(++kd[n - 3])->c[0], 4); |
| 471 |
#if DEBUG>=2 |
| 472 |
printf(">dt_get:%c%c%c%c(%02X%02X:%02X%02X)\n", |
| 473 |
kd[n - 3]->c[0], kd[n - 3]->c[1], kd[n - 3]->c[2], kd[n - 3]->c[3], |
| 474 |
kd[n - 3]->c[0], kd[n - 3]->c[1], kd[n - 3]->c[2], kd[n - 3]->c[3]); |
| 475 |
#endif |
| 476 |
return 1; |
| 477 |
} |
| 478 |
else |
| 479 |
{ |
| 480 |
return 0; |
| 481 |
} |
| 482 |
} |
| 483 |
else if (2 <= n && n < 6 && kd[n - 2]) |
| 484 |
{ |
| 485 |
if ((key[n - 2] & 0x7F) == ((kd[n - 2] + 1)->c[0] & 0x7F) |
| 486 |
&& (key[n - 1] & 0x7F) == ((kd[n - 2] + 1)->c[1] & 0x7F)) |
| 487 |
{ |
| 488 |
memcpy(&key[n - 2], &(++kd[n - 2])->c[0], 4); |
| 489 |
#if DEBUG>=2 |
| 490 |
printf(">dt_get:%c%c%c%c(%02X%02X:%02X%02X)\n", |
| 491 |
kd[n - 2]->c[0], kd[n - 2]->c[1], kd[n - 2]->c[2], kd[n - 2]->c[3], |
| 492 |
kd[n - 2]->c[0], kd[n - 2]->c[1], kd[n - 2]->c[2], kd[n - 2]->c[3]); |
| 493 |
#endif |
| 494 |
return 1; |
| 495 |
} |
| 496 |
else |
| 497 |
{ |
| 498 |
return 0; |
| 499 |
} |
| 500 |
if (kd[n - 2]->c[0] == key[n - 2]) |
| 501 |
return 1; |
| 502 |
else |
| 503 |
return 0; |
| 504 |
} |
| 505 |
else if (1 <= n && n < 5 && kd[n - 1]) |
| 506 |
{ |
| 507 |
unsigned c2 = kd[n - 1]->c[0]; |
| 508 |
if ((0x81 <= c2 && c2 <= 0x9F) |
| 509 |
|| (0xE0 <= c2 && c2 <= 0xFC)) |
| 510 |
{ |
| 511 |
kd[n - 1] = NULL; |
| 512 |
#if 0 |
| 513 |
if (!(n == 1 && n == 2)) |
| 514 |
key[n] &= 0x7F; |
| 515 |
if (!(n == 2 && n == 3)) |
| 516 |
key[n - 1] &= 0x7F; |
| 517 |
#endif |
| 518 |
key_make_map(n - 1); |
| 519 |
} |
| 520 |
else if ((key[n - 1] & 0x7F) == ((kd[n - 1] + 1)->c[0] & 0x7F)) |
| 521 |
{ |
| 522 |
memcpy(&key[n - 1], &(++kd[n - 1])->c[0], 4); |
| 523 |
#if DEBUG>=2 |
| 524 |
printf(">dt_get:%c%c%c%c(%02X%02X:%02X%02X)\n", |
| 525 |
kd[n - 1]->c[0], kd[n - 1]->c[1], kd[n - 1]->c[2], kd[n - 1]->c[3], |
| 526 |
kd[n - 1]->c[0], kd[n - 1]->c[1], kd[n - 1]->c[2], kd[n - 1]->c[3]); |
| 527 |
#endif |
| 528 |
return 1; |
| 529 |
} |
| 530 |
else |
| 531 |
{ |
| 532 |
return 0; |
| 533 |
} |
| 534 |
#if 0 |
| 535 |
if (kd[n - 1]->c[0] == key[n - 1]) |
| 536 |
return 1; |
| 537 |
else |
| 538 |
return 0; |
| 539 |
#endif |
| 540 |
} |
| 541 |
else if (n < 4 && kd[n]) |
| 542 |
{ |
| 543 |
if (0 && kd[n]->c[0] == key[n]) |
| 544 |
return 1; |
| 545 |
kd[n] = NULL; |
| 546 |
#if 0 |
| 547 |
if (!(n == 1 || n == 2)) |
| 548 |
key[n] &= 0x7F; |
| 549 |
#endif |
| 550 |
} |
| 551 |
#endif |
| 552 |
|
| 553 |
/* 実際に増やしてみる */ |
| 554 |
assert(n >= 3); |
| 555 |
for (;;) |
| 556 |
{ |
| 557 |
if (n <= 3 |
| 558 |
&& !(key[n] & 0x80) |
| 559 |
&& kcls[n].map[key[n] ^ 0x80] & (KCLS_DT0)) |
| 560 |
{ |
| 561 |
/* 半角カタカナの1バイト目 */ |
| 562 |
key[n] ^= 0x80; |
| 563 |
} |
| 564 |
else |
| 565 |
{ |
| 566 |
key[n] = (key[n] & 0x7F) + 1; |
| 567 |
if (key[n] >= 0x80) |
| 568 |
return 0; |
| 569 |
} |
| 570 |
|
| 571 |
if (kcls[n].map[key[n]]) |
| 572 |
{ |
| 573 |
key_make_map(n); |
| 574 |
key_reset(n + 1); |
| 575 |
return 1; |
| 576 |
} |
| 577 |
} |
| 578 |
while (++key[n] < 0x80) |
| 579 |
{ |
| 580 |
if (kcls[n].map[key[n]]) |
| 581 |
{ |
| 582 |
key_make_map(n); |
| 583 |
key_reset(n + 1); |
| 584 |
return 1; |
| 585 |
} |
| 586 |
} |
| 587 |
return 0; |
| 588 |
} |
| 589 |
|
| 590 |
/* 鍵を完全にリセットする |
| 591 |
Saltもセットし直す */ |
| 592 |
static |
| 593 |
void |
| 594 |
key_init() |
| 595 |
{ |
| 596 |
int i, j; |
| 597 |
|
| 598 |
#if USE_DT |
| 599 |
/* 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 |
| 600 |
辞書はコード順昇順に並んでるものとする */ |
| 601 |
for (i = 0; i < dtcnt; i++) |
| 602 |
{ |
| 603 |
unsigned c = dt[i].c[0]; |
| 604 |
|
| 605 |
assert(dt[i].c[0] |
| 606 |
&& dt[i].c[1] |
| 607 |
&& dt[i].c[2] |
| 608 |
&& dt[i].c[3]); |
| 609 |
|
| 610 |
/* BSD 鯖でしにそうな文字は残念ながら除外 */ |
| 611 |
assert((dt[i].c[0] & 0x7F) |
| 612 |
&& (dt[i].c[1] & 0x7F) |
| 613 |
&& (dt[i].c[2] & 0x7F) |
| 614 |
&& (dt[i].c[3] & 0x7F)); |
| 615 |
|
| 616 |
/* インデクス */ |
| 617 |
if (!dtidx[c]) |
| 618 |
dtidx[c] = &dt[i]; |
| 619 |
|
| 620 |
if ((0x81 <= c && c <= 0x9F) |
| 621 |
|| (0xE0 <= c && c <= 0xFC)) |
| 622 |
{ |
| 623 |
/* 全角なので、2バイトきまった時点で立てる */ |
| 624 |
cp932[256 * c + dt[i].c[1]] |= KCLS_DT1; |
| 625 |
} |
| 626 |
else if (0xA1 <= c && c <= 0xDF) |
| 627 |
{ |
| 628 |
/* 半角カナ */ |
| 629 |
for (j = 0; j < 256; j++) |
| 630 |
cp932[256 * c + j] |= KCLS_DT0; |
| 631 |
} |
| 632 |
} |
| 633 |
/* ケツ、ちうか番人 */ |
| 634 |
dtidx[0x100] = &dt[i]; |
| 635 |
#endif |
| 636 |
|
| 637 |
key[8] = 0; |
| 638 |
|
| 639 |
/* 初期マップを組む */ |
| 640 |
for (i = 0; i < 256; i++) |
| 641 |
{ |
| 642 |
unsigned bm = 0; |
| 643 |
kcls[0].map[i] = 0; |
| 644 |
for (j = 0; j < 256; j++) |
| 645 |
bm |= cp932[256 * i + j]; |
| 646 |
kcls[0].map[i] = bm & (KCLS_AN | KCLS_KA | KCLS_K1 |
| 647 |
| KCLS_DT0 |
| 648 |
); |
| 649 |
if (i >= 128) |
| 650 |
kcls[0].map[i - 128] |= kcls[0].map[i]; |
| 651 |
} |
| 652 |
|
| 653 |
key_reset(0); |
| 654 |
} |
| 655 |
|
| 656 |
/*************************************************************** |
| 657 |
* |
| 658 |
* Salt のセット |
| 659 |
* 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 |
| 660 |
* |
| 661 |
*/ |
| 662 |
|
| 663 |
#if N_STRIDE == 6 |
| 664 |
#define C(c,i,j,o) (*(int8_t *)((c) + (loo - crypt64_sta) + los[6 * (i) + (j) + (o)])) |
| 665 |
#elif N_STRIDE == 7 |
| 666 |
#define C(c,i,j,o) (*(int32_t *)((c) + (loo - crypt64_sta) + los[6 * (i) + (j) + (o)])) |
| 667 |
#endif |
| 668 |
|
| 669 |
void |
| 670 |
set_salt(signed char *code, |
| 671 |
unsigned char const *k) |
| 672 |
{ |
| 673 |
int i, j; |
| 674 |
|
| 675 |
for (i = 0; i < 2; i++) |
| 676 |
{ |
| 677 |
unsigned s = k[1 + i] & 255; |
| 678 |
if (s > 'z') |
| 679 |
s = 0; |
| 680 |
else if (s >= 'a') |
| 681 |
s = s - 'a' + 2 + 10 + 26; |
| 682 |
else if (s >= 'A') |
| 683 |
s = s - 'A' + 2 + 10; |
| 684 |
else if (s >= '.') |
| 685 |
s = s - '.'; |
| 686 |
else |
| 687 |
s = 0; |
| 688 |
|
| 689 |
#if DEBUG>=1 |
| 690 |
printf("Salt %d:%3o\n", i, s & 63); |
| 691 |
#endif |
| 692 |
for (j = 0; j < 6; j++) |
| 693 |
{ |
| 694 |
#if DEBUG>=2 |
| 695 |
//printf("Salt %d:%d %+3d:%+3d", |
| 696 |
printf("Salt %d:%d %08lX:%08lX", |
| 697 |
i, j, |
| 698 |
C(code, i, j, 0), |
| 699 |
C(code, i, j, 24)); |
| 700 |
#endif |
| 701 |
if (s & (1 << j)) |
| 702 |
{ |
| 703 |
C(code, i, j, 0) = sizeof(WS_T) * (((4 * i + j + 15) & 31) - 16); |
| 704 |
C(code, i, j, 24) = sizeof(WS_T) * (((4 * i + j - 1) & 31) - 16); |
| 705 |
} |
| 706 |
else |
| 707 |
{ |
| 708 |
C(code, i, j, 0) = sizeof(WS_T) * (((4 * i + j - 1) & 31) - 16); |
| 709 |
C(code, i, j, 24) = sizeof(WS_T) * (((4 * i + j + 15) & 31) - 16); |
| 710 |
} |
| 711 |
C(code, i, j, 12) = sizeof(WS_T) * (((4 * i + j + 7) & 31) - 16); |
| 712 |
C(code, i, j, 36) = sizeof(WS_T) * (((4 * i + j + 23) & 31) - 16); |
| 713 |
#if DEBUG>=2 |
| 714 |
//printf(" => %+3d:%+3d\n", |
| 715 |
printf(" => %08lX:%08lX\n", |
| 716 |
C(code, i, j, 0), |
| 717 |
C(code, i, j, 24)); |
| 718 |
#endif |
| 719 |
} |
| 720 |
} |
| 721 |
} |
| 722 |
|
| 723 |
static |
| 724 |
unsigned |
| 725 |
usec() |
| 726 |
{ |
| 727 |
#if !defined(WIN32) |
| 728 |
struct timeval tv; |
| 729 |
gettimeofday(&tv, NULL); |
| 730 |
return 100 * tv.tv_sec + (tv.tv_usec / 10000); |
| 731 |
#else |
| 732 |
struct timeb tm; |
| 733 |
ftime(&tm); |
| 734 |
return 100 * tm.time + tm.millitm / 10; |
| 735 |
#endif |
| 736 |
} |
| 737 |
|
| 738 |
static |
| 739 |
int |
| 740 |
log_printf(FILE *ofp, char const *fmt, ...) |
| 741 |
{ |
| 742 |
int r; |
| 743 |
va_list ap; |
| 744 |
va_start(ap, fmt); |
| 745 |
vfprintf(stdout, fmt, ap); |
| 746 |
r = vfprintf(ofp, fmt, ap); |
| 747 |
va_end(ap); |
| 748 |
if (r > 0) |
| 749 |
return r; |
| 750 |
perror("log_printf"); |
| 751 |
exit(errno); |
| 752 |
} |
| 753 |
|
| 754 |
/*************************************************************** |
| 755 |
* |
| 756 |
* メインループとか |
| 757 |
* |
| 758 |
*/ |
| 759 |
|
| 760 |
/* 定数項 */ |
| 761 |
#if N_STRIDE == 7 |
| 762 |
static SLICE const sk6[N_STRIDE] = |
| 763 |
{ |
| 764 |
{0xAAAAAAAAUL, 0xAAAAAAAAUL, 0xAAAAAAAAUL, 0xAAAAAAAAUL}, |
| 765 |
{0xCCCCCCCCUL, 0xCCCCCCCCUL, 0xCCCCCCCCUL, 0xCCCCCCCCUL}, |
| 766 |
{0xF0F0F0F0UL, 0xF0F0F0F0UL, 0xF0F0F0F0UL, 0xF0F0F0F0UL}, |
| 767 |
{0xFF00FF00UL, 0xFF00FF00UL, 0xFF00FF00UL, 0xFF00FF00UL}, |
| 768 |
{0xFFFF0000UL, 0xFFFF0000UL, 0xFFFF0000UL, 0xFFFF0000UL}, |
| 769 |
{0x00000000UL, 0xFFFFFFFFUL, 0x00000000UL, 0xFFFFFFFFUL}, |
| 770 |
{0x00000000UL, 0x00000000UL, 0xFFFFFFFFUL, 0xFFFFFFFFUL}, |
| 771 |
}; |
| 772 |
#elif N_STRIDE == 6 |
| 773 |
static SLICE const sk6[N_STRIDE] = |
| 774 |
{ |
| 775 |
{0xAAAAAAAAUL, 0xAAAAAAAAUL}, |
| 776 |
{0xCCCCCCCCUL, 0xCCCCCCCCUL}, |
| 777 |
{0xF0F0F0F0UL, 0xF0F0F0F0UL}, |
| 778 |
{0xFF00FF00UL, 0xFF00FF00UL}, |
| 779 |
{0xFFFF0000UL, 0xFFFF0000UL}, |
| 780 |
{0x00000000UL, 0xFFFFFFFFUL}, |
| 781 |
}; |
| 782 |
#endif |
| 783 |
|
| 784 |
#ifdef WIN32 |
| 785 |
typedef int (__fastcall *CRYPT64_PP)(ALU_T const *k, ALU_T *lr); |
| 786 |
#endif |
| 787 |
|
| 788 |
ALIGN_PREFIX(16) struct KEY key64 ALIGN_SUFFIX(16); |
| 789 |
ALIGN_PREFIX(16) struct PARAM param64 ALIGN_SUFFIX(16); |
| 790 |
|
| 791 |
int |
| 792 |
main(int argc, char *argv[]) |
| 793 |
{ |
| 794 |
int i, j; |
| 795 |
int mincnt; |
| 796 |
signed char *code = NULL; |
| 797 |
FILE *ofp; |
| 798 |
int n_iter; |
| 799 |
int cr; |
| 800 |
|
| 801 |
#define N_TS 4 |
| 802 |
struct |
| 803 |
{ |
| 804 |
unsigned t; |
| 805 |
int c; |
| 806 |
} ts[N_TS]; |
| 807 |
|
| 808 |
#ifdef WIN32 |
| 809 |
HANDLE h; |
| 810 |
#endif |
| 811 |
|
| 812 |
#ifndef __GNUC__ |
| 813 |
CRYPT64_PP d_crypt64; |
| 814 |
#endif |
| 815 |
|
| 816 |
#if 0 |
| 817 |
if (argc < 2) |
| 818 |
{ |
| 819 |
fprintf(stderr, "式きぼんぬ\n"); |
| 820 |
return 1; |
| 821 |
} |
| 822 |
#endif |
| 823 |
|
| 824 |
assert((1 << N_STRIDE) == N_ALU * ALU_BITS); |
| 825 |
|
| 826 |
/* t[16] は、内部演算で使用する、all 1 が入っている */ |
| 827 |
for (i = 0; i < N_ALU; i++) |
| 828 |
param64.t[16].a[i] = -1; |
| 829 |
|
| 830 |
/* 固定キーのコピー */ |
| 831 |
for (i = 0; i < N_STRIDE; i++) |
| 832 |
{ |
| 833 |
int o = tr_pc1[7][6 - i] - 1; |
| 834 |
if (o < 28) |
| 835 |
{ |
| 836 |
key64.k[0][0][o] = key64.k[0][1][o] = sk6[i]; |
| 837 |
} |
| 838 |
else |
| 839 |
{ |
| 840 |
o -= 28; |
| 841 |
key64.k[1][0][o] = key64.k[1][1][o] = sk6[i]; |
| 842 |
} |
| 843 |
} |
| 844 |
|
| 845 |
/* キースケジュールをここに押し込めておく |
| 846 |
従来は crypt64.S 内で完結するように引いていた */ |
| 847 |
for (i = 0; i < 28; i++) |
| 848 |
key64.ks[i].a[0] = sizeof(WS_T) * ks_ls[i]; |
| 849 |
|
| 850 |
/* Saltを加味しない場合は、コード領域を |
| 851 |
writable 領域に展開しなくてもよい。 |
| 852 |
[XXX] OSによっては、書込&実行可能領域を専用のサーヴィスで |
| 853 |
取得しなければならないものもあるかもしれないので、注意 */ |
| 854 |
#ifdef WIN32 |
| 855 |
h = CreateFileMapping(INVALID_HANDLE_VALUE, |
| 856 |
NULL, |
| 857 |
PAGE_EXECUTE_READWRITE, |
| 858 |
0, 0x20000000, |
| 859 |
NULL); |
| 860 |
#ifndef FILE_MAP_EXECUTE |
| 861 |
#define FILE_MAP_EXECUTE SECTION_MAP_EXECUTE /* XXX cygwin */ |
| 862 |
#endif |
| 863 |
if (SUCCEEDED(h)) |
| 864 |
code = (signed char *)MapViewOfFile(h, |
| 865 |
FILE_MAP_EXECUTE | FILE_MAP_WRITE, |
| 866 |
0, 0x10000000, |
| 867 |
0); |
| 868 |
#else |
| 869 |
code = (signed char *)mmap(NULL, |
| 870 |
0x10000000, |
| 871 |
PROT_EXEC | PROT_READ | PROT_WRITE, |
| 872 |
MAP_PRIVATE | MAP_ANON, |
| 873 |
1, /* fd */ |
| 874 |
0); |
| 875 |
if ((void *)code == MAP_FAILED) |
| 876 |
code =NULL; |
| 877 |
#endif |
| 878 |
|
| 879 |
/* メモリが確保できていない場合のいんちき対策 */ |
| 880 |
if (code == NULL) |
| 881 |
code = (signed char *)malloc(crypt64_end - crypt64_sta + 1024 * 1024); |
| 882 |
assert(code != NULL); |
| 883 |
|
| 884 |
/* Prologue を展開 */ |
| 885 |
memcpy(code, crypt64_sta, crypt64_end - crypt64_sta); |
| 886 |
#ifndef __GNUC__ |
| 887 |
d_crypt64 = (CRYPT64_PP)code; |
| 888 |
#endif |
| 889 |
memcpy(expr_parse(code + (crypt64_end - crypt64_sta), |
| 890 |
1024 * 1024 - (crypt64_ep_end - crypt64_ep), |
| 891 |
argv[1]), |
| 892 |
crypt64_ep, |
| 893 |
crypt64_ep_end - crypt64_ep); |
| 894 |
|
| 895 |
/* キーの初期化 */ |
| 896 |
srand(time(NULL)); |
| 897 |
key_init(); |
| 898 |
set_salt(code, key); |
| 899 |
for (i = 0; i < 8; i++) |
| 900 |
key_set64(&key64, i, okey[i] = key[i], 0, 0x7F); |
| 901 |
|
| 902 |
#if DEBUG>=1 |
| 903 |
printf("key=%p param=%p\n", &key64, ¶m64); |
| 904 |
#endif |
| 905 |
assert(!((ptrdiff_t)&key64 & (sizeof(WS_T) - 1))); |
| 906 |
assert(!((ptrdiff_t)¶m64 & (sizeof(WS_T) - 1))); |
| 907 |
|
| 908 |
if ((ofp = fopen("log.txt", "at")) == NULL) |
| 909 |
{ |
| 910 |
perror("log.txt"); |
| 911 |
return errno; |
| 912 |
} |
| 913 |
|
| 914 |
setvbuf(ofp, NULL, _IONBF, BUFSIZ); /* XXX MSVCRT では _IOLBF が期待通りに動作しない */ |
| 915 |
|
| 916 |
for (i = 0; i < N_TS; i++) |
| 917 |
ts[i].t = ts[i].c = 0; |
| 918 |
|
| 919 |
mincnt = 0x7FFFFFFF; |
| 920 |
n_iter = 0; |
| 921 |
cr = 0; |
| 922 |
/* 探索ループだぞっと */ |
| 923 |
for (;;) |
| 924 |
{ |
| 925 |
int32_t cnt; |
| 926 |
int k, kk; |
| 927 |
|
| 928 |
/* 鍵のセット */ |
| 929 |
for (i = 0; i < 8; i++) |
| 930 |
{ |
| 931 |
key_set64(&key64, i, key[i], key[i] ^ okey[i], 0); |
| 932 |
okey[i] = key[i]; |
| 933 |
} |
| 934 |
|
| 935 |
/* 呼ぶ! |
| 936 |
LR 初期化は、サブモジュール内で行うべし |
| 937 |
FASTCALL に準じた呼び出しのため、 |
| 938 |
ホントはいろいろレジスタが破壊されるハズ…なんだが。 */ |
| 939 |
#ifdef __GNUC__ |
| 940 |
asm volatile("call *%3" |
| 941 |
: "=a"(cnt) |
| 942 |
: "c"(key64.k), "d"(param64.lr), |
| 943 |
"m"(code) |
| 944 |
//"m"(crypt64_sta) |
| 945 |
: CRYPT64_CLOBBER "memory"); |
| 946 |
#else |
| 947 |
cnt = (*d_crypt64)(key64.k[0][0][0].a, param64.lr[0][0].a); |
| 948 |
#endif |
| 949 |
if (mincnt > cnt && cnt > 0) |
| 950 |
{ |
| 951 |
mincnt = cnt; |
| 952 |
if (cr) |
| 953 |
fprintf(stderr, "\n"); |
| 954 |
cr = 0; |
| 955 |
fprintf(stderr, "cycle=%d\n", (int)cnt); |
| 956 |
} |
| 957 |
|
| 958 |
/* ヒットしたときの処理 */ |
| 959 |
for (kk = 0; kk < N_ALU; kk++) |
| 960 |
{ |
| 961 |
ALU_T t; |
| 962 |
|
| 963 |
t = param64.t[31].a[kk]; |
| 964 |
if (!t) |
| 965 |
continue; |
| 966 |
|
| 967 |
for (k = 0; k < ALU_BITS; k++) |
| 968 |
{ |
| 969 |
char hash[16]; |
| 970 |
unsigned char buf[32]; |
| 971 |
|
| 972 |
if (!(t & ((ALU_T)1 << k))) |
| 973 |
continue; |
| 974 |
|
| 975 |
/* XXX 手抜きのため、ワークにはみ出ている 2 ビットをここで落とす |
| 976 |
ヒットするたびに冗長に行われるが、気にしてはいかん */ |
| 977 |
param64.t[0].a[kk] = param64.t[1].a[kk] = 0; |
| 978 |
for (i = 1; i < 11; i++) |
| 979 |
{ |
| 980 |
unsigned c = 0; |
| 981 |
for (j = 0; j < 6; j++) |
| 982 |
c = (c << 1) | !!(param64.lr[0][tr_fp[6 * i + j]].a[kk] & ((ALU_T)1 << k)); |
| 983 |
hash[i - 1] = c["./0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"]; |
| 984 |
} |
| 985 |
hash[10] = 0; |
| 986 |
|
| 987 |
memcpy(buf, key, 32); |
| 988 |
buf[8] = buf[9] = 0; |
| 989 |
buf[7] = (buf[7] & -(1 << N_STRIDE) & 0x7F) + ALU_BITS * kk + k; |
| 990 |
if (translate(buf, 0, 1)) |
| 991 |
{ |
| 992 |
if (cr) |
| 993 |
fprintf(stderr, "\n"); |
| 994 |
cr = 0; |
| 995 |
log_printf(ofp, |
| 996 |
"◆%s #%-10.10s(%02X %02X %02X %02X %02X %02X %02X %02X/%02X)\n", |
| 997 |
hash, |
| 998 |
buf, |
| 999 |
buf[0], buf[1], buf[2], buf[3], |
| 1000 |
buf[4], buf[5], buf[6], buf[7], |
| 1001 |
buf[8]); |
| 1002 |
} |
| 1003 |
else |
| 1004 |
{ |
| 1005 |
#if DEBUG>=1 |
| 1006 |
if (cr) |
| 1007 |
fprintf(stderr, "\n"); |
| 1008 |
cr = 0; |
| 1009 |
log_printf(ofp, |
| 1010 |
"◆%s (%02X %02X %02X %02X %02X %02X %02X %02X )\n", |
| 1011 |
hash, |
| 1012 |
buf[0], buf[1], buf[2], buf[3], |
| 1013 |
buf[4], buf[5], buf[6], buf[7]); |
| 1014 |
#endif |
| 1015 |
} |
| 1016 |
} |
| 1017 |
} |
| 1018 |
|
| 1019 |
if (++n_iter - ts[0].c >= 8192) |
| 1020 |
{ |
| 1021 |
int t = usec(); |
| 1022 |
if (ts[N_TS - 1].c) |
| 1023 |
{ |
| 1024 |
int a = (100 << N_STRIDE) * (n_iter - ts[N_TS - 1].c) / (t - ts[N_TS - 1].t); |
| 1025 |
fprintf(stderr, |
| 1026 |
"%8d.%03d(ktrips/sec)\r", |
| 1027 |
a / 1000, |
| 1028 |
a % 1000); |
| 1029 |
cr++; |
| 1030 |
} |
| 1031 |
for (i = N_TS - 1; i >= 1; i--) |
| 1032 |
ts[i] = ts[i - 1]; |
| 1033 |
ts[0].c = n_iter; |
| 1034 |
ts[0].t = t; |
| 1035 |
for (i = 1; i < N_TS; i++) |
| 1036 |
if (ts[i].c) |
| 1037 |
break; |
| 1038 |
else |
| 1039 |
ts[i] = ts[i - 1]; |
| 1040 |
} |
| 1041 |
#if 1 |
| 1042 |
if (!key_inc(3)) |
| 1043 |
{ |
| 1044 |
#if DEBUG>=2 |
| 1045 |
printf("********************************\n"); |
| 1046 |
#endif |
| 1047 |
key_reset(0); |
| 1048 |
set_salt(code, key); |
| 1049 |
for (i = 0; i < 8; i++) |
| 1050 |
key_set64(&key64, i, okey[i] = key[i], 0, 0x7F); |
| 1051 |
} |
| 1052 |
#endif |
| 1053 |
} |
| 1054 |
|
| 1055 |
return 0; |
| 1056 |
} |
| 1057 |
|
| 1058 |
/* |
| 1059 |
* Local Variables: |
| 1060 |
* tab-width: 4 |
| 1061 |
* End: |
| 1062 |
* |
| 1063 |
* EOF */ |