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Commit | Line | Data |
---|---|---|
d02b48c6 | 1 | ; Don't even think of reading this code |
58964a49 | 2 | ; It was automatically generated by des-586.pl |
d02b48c6 | 3 | ; Which is a perl program used to generate the x86 assember for |
58964a49 | 4 | ; any of elf, a.out, BSDI,Win32, or Solaris |
d02b48c6 | 5 | ; eric <eay@cryptsoft.com> |
d02b48c6 | 6 | ; |
58964a49 | 7 | TITLE des-586.asm |
d02b48c6 RE |
8 | .386 |
9 | .model FLAT | |
10 | _TEXT SEGMENT | |
11 | PUBLIC _des_encrypt | |
58964a49 | 12 | EXTRN _des_SPtrans:DWORD |
d02b48c6 | 13 | _des_encrypt PROC NEAR |
d02b48c6 RE |
14 | push esi |
15 | push edi | |
16 | ; | |
17 | ; Load the 2 words | |
58964a49 | 18 | mov esi, DWORD PTR 12[esp] |
d02b48c6 | 19 | xor ecx, ecx |
58964a49 RE |
20 | push ebx |
21 | push ebp | |
d02b48c6 RE |
22 | mov eax, DWORD PTR [esi] |
23 | mov ebx, DWORD PTR 28[esp] | |
24 | mov edi, DWORD PTR 4[esi] | |
25 | ; | |
26 | ; IP | |
27 | rol eax, 4 | |
28 | mov esi, eax | |
29 | xor eax, edi | |
30 | and eax, 0f0f0f0f0h | |
31 | xor esi, eax | |
32 | xor edi, eax | |
33 | ; | |
34 | rol edi, 20 | |
35 | mov eax, edi | |
36 | xor edi, esi | |
37 | and edi, 0fff0000fh | |
38 | xor eax, edi | |
39 | xor esi, edi | |
40 | ; | |
41 | rol eax, 14 | |
42 | mov edi, eax | |
43 | xor eax, esi | |
44 | and eax, 033333333h | |
45 | xor edi, eax | |
46 | xor esi, eax | |
47 | ; | |
48 | rol esi, 22 | |
49 | mov eax, esi | |
50 | xor esi, edi | |
51 | and esi, 003fc03fch | |
52 | xor eax, esi | |
53 | xor edi, esi | |
54 | ; | |
55 | rol eax, 9 | |
56 | mov esi, eax | |
57 | xor eax, edi | |
58 | and eax, 0aaaaaaaah | |
59 | xor esi, eax | |
60 | xor edi, eax | |
61 | ; | |
62 | rol edi, 1 | |
d02b48c6 | 63 | mov ebp, DWORD PTR 24[esp] |
58964a49 | 64 | cmp ebx, 0 |
d02b48c6 RE |
65 | je $L000start_decrypt |
66 | ; | |
67 | ; Round 0 | |
68 | mov eax, DWORD PTR [ebp] | |
69 | xor ebx, ebx | |
70 | mov edx, DWORD PTR 4[ebp] | |
71 | xor eax, esi | |
72 | xor edx, esi | |
73 | and eax, 0fcfcfcfch | |
74 | and edx, 0cfcfcfcfh | |
75 | mov bl, al | |
76 | mov cl, ah | |
77 | ror edx, 4 | |
78 | mov ebp, DWORD PTR _des_SPtrans[ebx] | |
79 | mov bl, dl | |
80 | xor edi, ebp | |
81 | mov ebp, DWORD PTR _des_SPtrans[0200h+ecx] | |
82 | xor edi, ebp | |
83 | mov cl, dh | |
84 | shr eax, 16 | |
85 | mov ebp, DWORD PTR _des_SPtrans[0100h+ebx] | |
86 | xor edi, ebp | |
87 | mov bl, ah | |
88 | shr edx, 16 | |
89 | mov ebp, DWORD PTR _des_SPtrans[0300h+ecx] | |
90 | xor edi, ebp | |
91 | mov ebp, DWORD PTR 24[esp] | |
92 | mov cl, dh | |
93 | and eax, 0ffh | |
94 | and edx, 0ffh | |
95 | mov ebx, DWORD PTR _des_SPtrans[0600h+ebx] | |
96 | xor edi, ebx | |
97 | mov ebx, DWORD PTR _des_SPtrans[0700h+ecx] | |
98 | xor edi, ebx | |
99 | mov ebx, DWORD PTR _des_SPtrans[0400h+eax] | |
100 | xor edi, ebx | |
101 | mov ebx, DWORD PTR _des_SPtrans[0500h+edx] | |
102 | xor edi, ebx | |
103 | ; | |
104 | ; Round 1 | |
105 | mov eax, DWORD PTR 8[ebp] | |
106 | xor ebx, ebx | |
107 | mov edx, DWORD PTR 12[ebp] | |
108 | xor eax, edi | |
109 | xor edx, edi | |
110 | and eax, 0fcfcfcfch | |
111 | and edx, 0cfcfcfcfh | |
112 | mov bl, al | |
113 | mov cl, ah | |
114 | ror edx, 4 | |
115 | mov ebp, DWORD PTR _des_SPtrans[ebx] | |
116 | mov bl, dl | |
117 | xor esi, ebp | |
118 | mov ebp, DWORD PTR _des_SPtrans[0200h+ecx] | |
119 | xor esi, ebp | |
120 | mov cl, dh | |
121 | shr eax, 16 | |
122 | mov ebp, DWORD PTR _des_SPtrans[0100h+ebx] | |
123 | xor esi, ebp | |
124 | mov bl, ah | |
125 | shr edx, 16 | |
126 | mov ebp, DWORD PTR _des_SPtrans[0300h+ecx] | |
127 | xor esi, ebp | |
128 | mov ebp, DWORD PTR 24[esp] | |
129 | mov cl, dh | |
130 | and eax, 0ffh | |
131 | and edx, 0ffh | |
132 | mov ebx, DWORD PTR _des_SPtrans[0600h+ebx] | |
133 | xor esi, ebx | |
134 | mov ebx, DWORD PTR _des_SPtrans[0700h+ecx] | |
135 | xor esi, ebx | |
136 | mov ebx, DWORD PTR _des_SPtrans[0400h+eax] | |
137 | xor esi, ebx | |
138 | mov ebx, DWORD PTR _des_SPtrans[0500h+edx] | |
139 | xor esi, ebx | |
140 | ; | |
141 | ; Round 2 | |
142 | mov eax, DWORD PTR 16[ebp] | |
143 | xor ebx, ebx | |
144 | mov edx, DWORD PTR 20[ebp] | |
145 | xor eax, esi | |
146 | xor edx, esi | |
147 | and eax, 0fcfcfcfch | |
148 | and edx, 0cfcfcfcfh | |
149 | mov bl, al | |
150 | mov cl, ah | |
151 | ror edx, 4 | |
152 | mov ebp, DWORD PTR _des_SPtrans[ebx] | |
153 | mov bl, dl | |
154 | xor edi, ebp | |
155 | mov ebp, DWORD PTR _des_SPtrans[0200h+ecx] | |
156 | xor edi, ebp | |
157 | mov cl, dh | |
158 | shr eax, 16 | |
159 | mov ebp, DWORD PTR _des_SPtrans[0100h+ebx] | |
160 | xor edi, ebp | |
161 | mov bl, ah | |
162 | shr edx, 16 | |
163 | mov ebp, DWORD PTR _des_SPtrans[0300h+ecx] | |
164 | xor edi, ebp | |
165 | mov ebp, DWORD PTR 24[esp] | |
166 | mov cl, dh | |
167 | and eax, 0ffh | |
168 | and edx, 0ffh | |
169 | mov ebx, DWORD PTR _des_SPtrans[0600h+ebx] | |
170 | xor edi, ebx | |
171 | mov ebx, DWORD PTR _des_SPtrans[0700h+ecx] | |
172 | xor edi, ebx | |
173 | mov ebx, DWORD PTR _des_SPtrans[0400h+eax] | |
174 | xor edi, ebx | |
175 | mov ebx, DWORD PTR _des_SPtrans[0500h+edx] | |
176 | xor edi, ebx | |
177 | ; | |
178 | ; Round 3 | |
179 | mov eax, DWORD PTR 24[ebp] | |
180 | xor ebx, ebx | |
181 | mov edx, DWORD PTR 28[ebp] | |
182 | xor eax, edi | |
183 | xor edx, edi | |
184 | and eax, 0fcfcfcfch | |
185 | and edx, 0cfcfcfcfh | |
186 | mov bl, al | |
187 | mov cl, ah | |
188 | ror edx, 4 | |
189 | mov ebp, DWORD PTR _des_SPtrans[ebx] | |
190 | mov bl, dl | |
191 | xor esi, ebp | |
192 | mov ebp, DWORD PTR _des_SPtrans[0200h+ecx] | |
193 | xor esi, ebp | |
194 | mov cl, dh | |
195 | shr eax, 16 | |
196 | mov ebp, DWORD PTR _des_SPtrans[0100h+ebx] | |
197 | xor esi, ebp | |
198 | mov bl, ah | |
199 | shr edx, 16 | |
200 | mov ebp, DWORD PTR _des_SPtrans[0300h+ecx] | |
201 | xor esi, ebp | |
202 | mov ebp, DWORD PTR 24[esp] | |
203 | mov cl, dh | |
204 | and eax, 0ffh | |
205 | and edx, 0ffh | |
206 | mov ebx, DWORD PTR _des_SPtrans[0600h+ebx] | |
207 | xor esi, ebx | |
208 | mov ebx, DWORD PTR _des_SPtrans[0700h+ecx] | |
209 | xor esi, ebx | |
210 | mov ebx, DWORD PTR _des_SPtrans[0400h+eax] | |
211 | xor esi, ebx | |
212 | mov ebx, DWORD PTR _des_SPtrans[0500h+edx] | |
213 | xor esi, ebx | |
214 | ; | |
215 | ; Round 4 | |
216 | mov eax, DWORD PTR 32[ebp] | |
217 | xor ebx, ebx | |
218 | mov edx, DWORD PTR 36[ebp] | |
219 | xor eax, esi | |
220 | xor edx, esi | |
221 | and eax, 0fcfcfcfch | |
222 | and edx, 0cfcfcfcfh | |
223 | mov bl, al | |
224 | mov cl, ah | |
225 | ror edx, 4 | |
226 | mov ebp, DWORD PTR _des_SPtrans[ebx] | |
227 | mov bl, dl | |
228 | xor edi, ebp | |
229 | mov ebp, DWORD PTR _des_SPtrans[0200h+ecx] | |
230 | xor edi, ebp | |
231 | mov cl, dh | |
232 | shr eax, 16 | |
233 | mov ebp, DWORD PTR _des_SPtrans[0100h+ebx] | |
234 | xor edi, ebp | |
235 | mov bl, ah | |
236 | shr edx, 16 | |
237 | mov ebp, DWORD PTR _des_SPtrans[0300h+ecx] | |
238 | xor edi, ebp | |
239 | mov ebp, DWORD PTR 24[esp] | |
240 | mov cl, dh | |
241 | and eax, 0ffh | |
242 | and edx, 0ffh | |
243 | mov ebx, DWORD PTR _des_SPtrans[0600h+ebx] | |
244 | xor edi, ebx | |
245 | mov ebx, DWORD PTR _des_SPtrans[0700h+ecx] | |
246 | xor edi, ebx | |
247 | mov ebx, DWORD PTR _des_SPtrans[0400h+eax] | |
248 | xor edi, ebx | |
249 | mov ebx, DWORD PTR _des_SPtrans[0500h+edx] | |
250 | xor edi, ebx | |
251 | ; | |
252 | ; Round 5 | |
253 | mov eax, DWORD PTR 40[ebp] | |
254 | xor ebx, ebx | |
255 | mov edx, DWORD PTR 44[ebp] | |
256 | xor eax, edi | |
257 | xor edx, edi | |
258 | and eax, 0fcfcfcfch | |
259 | and edx, 0cfcfcfcfh | |
260 | mov bl, al | |
261 | mov cl, ah | |
262 | ror edx, 4 | |
263 | mov ebp, DWORD PTR _des_SPtrans[ebx] | |
264 | mov bl, dl | |
265 | xor esi, ebp | |
266 | mov ebp, DWORD PTR _des_SPtrans[0200h+ecx] | |
267 | xor esi, ebp | |
268 | mov cl, dh | |
269 | shr eax, 16 | |
270 | mov ebp, DWORD PTR _des_SPtrans[0100h+ebx] | |
271 | xor esi, ebp | |
272 | mov bl, ah | |
273 | shr edx, 16 | |
274 | mov ebp, DWORD PTR _des_SPtrans[0300h+ecx] | |
275 | xor esi, ebp | |
276 | mov ebp, DWORD PTR 24[esp] | |
277 | mov cl, dh | |
278 | and eax, 0ffh | |
279 | and edx, 0ffh | |
280 | mov ebx, DWORD PTR _des_SPtrans[0600h+ebx] | |
281 | xor esi, ebx | |
282 | mov ebx, DWORD PTR _des_SPtrans[0700h+ecx] | |
283 | xor esi, ebx | |
284 | mov ebx, DWORD PTR _des_SPtrans[0400h+eax] | |
285 | xor esi, ebx | |
286 | mov ebx, DWORD PTR _des_SPtrans[0500h+edx] | |
287 | xor esi, ebx | |
288 | ; | |
289 | ; Round 6 | |
290 | mov eax, DWORD PTR 48[ebp] | |
291 | xor ebx, ebx | |
292 | mov edx, DWORD PTR 52[ebp] | |
293 | xor eax, esi | |
294 | xor edx, esi | |
295 | and eax, 0fcfcfcfch | |
296 | and edx, 0cfcfcfcfh | |
297 | mov bl, al | |
298 | mov cl, ah | |
299 | ror edx, 4 | |
300 | mov ebp, DWORD PTR _des_SPtrans[ebx] | |
301 | mov bl, dl | |
302 | xor edi, ebp | |
303 | mov ebp, DWORD PTR _des_SPtrans[0200h+ecx] | |
304 | xor edi, ebp | |
305 | mov cl, dh | |
306 | shr eax, 16 | |
307 | mov ebp, DWORD PTR _des_SPtrans[0100h+ebx] | |
308 | xor edi, ebp | |
309 | mov bl, ah | |
310 | shr edx, 16 | |
311 | mov ebp, DWORD PTR _des_SPtrans[0300h+ecx] | |
312 | xor edi, ebp | |
313 | mov ebp, DWORD PTR 24[esp] | |
314 | mov cl, dh | |
315 | and eax, 0ffh | |
316 | and edx, 0ffh | |
317 | mov ebx, DWORD PTR _des_SPtrans[0600h+ebx] | |
318 | xor edi, ebx | |
319 | mov ebx, DWORD PTR _des_SPtrans[0700h+ecx] | |
320 | xor edi, ebx | |
321 | mov ebx, DWORD PTR _des_SPtrans[0400h+eax] | |
322 | xor edi, ebx | |
323 | mov ebx, DWORD PTR _des_SPtrans[0500h+edx] | |
324 | xor edi, ebx | |
325 | ; | |
326 | ; Round 7 | |
327 | mov eax, DWORD PTR 56[ebp] | |
328 | xor ebx, ebx | |
329 | mov edx, DWORD PTR 60[ebp] | |
330 | xor eax, edi | |
331 | xor edx, edi | |
332 | and eax, 0fcfcfcfch | |
333 | and edx, 0cfcfcfcfh | |
334 | mov bl, al | |
335 | mov cl, ah | |
336 | ror edx, 4 | |
337 | mov ebp, DWORD PTR _des_SPtrans[ebx] | |
338 | mov bl, dl | |
339 | xor esi, ebp | |
340 | mov ebp, DWORD PTR _des_SPtrans[0200h+ecx] | |
341 | xor esi, ebp | |
342 | mov cl, dh | |
343 | shr eax, 16 | |
344 | mov ebp, DWORD PTR _des_SPtrans[0100h+ebx] | |
345 | xor esi, ebp | |
346 | mov bl, ah | |
347 | shr edx, 16 | |
348 | mov ebp, DWORD PTR _des_SPtrans[0300h+ecx] | |
349 | xor esi, ebp | |
350 | mov ebp, DWORD PTR 24[esp] | |
351 | mov cl, dh | |
352 | and eax, 0ffh | |
353 | and edx, 0ffh | |
354 | mov ebx, DWORD PTR _des_SPtrans[0600h+ebx] | |
355 | xor esi, ebx | |
356 | mov ebx, DWORD PTR _des_SPtrans[0700h+ecx] | |
357 | xor esi, ebx | |
358 | mov ebx, DWORD PTR _des_SPtrans[0400h+eax] | |
359 | xor esi, ebx | |
360 | mov ebx, DWORD PTR _des_SPtrans[0500h+edx] | |
361 | xor esi, ebx | |
362 | ; | |
363 | ; Round 8 | |
364 | mov eax, DWORD PTR 64[ebp] | |
365 | xor ebx, ebx | |
366 | mov edx, DWORD PTR 68[ebp] | |
367 | xor eax, esi | |
368 | xor edx, esi | |
369 | and eax, 0fcfcfcfch | |
370 | and edx, 0cfcfcfcfh | |
371 | mov bl, al | |
372 | mov cl, ah | |
373 | ror edx, 4 | |
374 | mov ebp, DWORD PTR _des_SPtrans[ebx] | |
375 | mov bl, dl | |
376 | xor edi, ebp | |
377 | mov ebp, DWORD PTR _des_SPtrans[0200h+ecx] | |
378 | xor edi, ebp | |
379 | mov cl, dh | |
380 | shr eax, 16 | |
381 | mov ebp, DWORD PTR _des_SPtrans[0100h+ebx] | |
382 | xor edi, ebp | |
383 | mov bl, ah | |
384 | shr edx, 16 | |
385 | mov ebp, DWORD PTR _des_SPtrans[0300h+ecx] | |
386 | xor edi, ebp | |
387 | mov ebp, DWORD PTR 24[esp] | |
388 | mov cl, dh | |
389 | and eax, 0ffh | |
390 | and edx, 0ffh | |
391 | mov ebx, DWORD PTR _des_SPtrans[0600h+ebx] | |
392 | xor edi, ebx | |
393 | mov ebx, DWORD PTR _des_SPtrans[0700h+ecx] | |
394 | xor edi, ebx | |
395 | mov ebx, DWORD PTR _des_SPtrans[0400h+eax] | |
396 | xor edi, ebx | |
397 | mov ebx, DWORD PTR _des_SPtrans[0500h+edx] | |
398 | xor edi, ebx | |
399 | ; | |
400 | ; Round 9 | |
401 | mov eax, DWORD PTR 72[ebp] | |
402 | xor ebx, ebx | |
403 | mov edx, DWORD PTR 76[ebp] | |
404 | xor eax, edi | |
405 | xor edx, edi | |
406 | and eax, 0fcfcfcfch | |
407 | and edx, 0cfcfcfcfh | |
408 | mov bl, al | |
409 | mov cl, ah | |
410 | ror edx, 4 | |
411 | mov ebp, DWORD PTR _des_SPtrans[ebx] | |
412 | mov bl, dl | |
413 | xor esi, ebp | |
414 | mov ebp, DWORD PTR _des_SPtrans[0200h+ecx] | |
415 | xor esi, ebp | |
416 | mov cl, dh | |
417 | shr eax, 16 | |
418 | mov ebp, DWORD PTR _des_SPtrans[0100h+ebx] | |
419 | xor esi, ebp | |
420 | mov bl, ah | |
421 | shr edx, 16 | |
422 | mov ebp, DWORD PTR _des_SPtrans[0300h+ecx] | |
423 | xor esi, ebp | |
424 | mov ebp, DWORD PTR 24[esp] | |
425 | mov cl, dh | |
426 | and eax, 0ffh | |
427 | and edx, 0ffh | |
428 | mov ebx, DWORD PTR _des_SPtrans[0600h+ebx] | |
429 | xor esi, ebx | |
430 | mov ebx, DWORD PTR _des_SPtrans[0700h+ecx] | |
431 | xor esi, ebx | |
432 | mov ebx, DWORD PTR _des_SPtrans[0400h+eax] | |
433 | xor esi, ebx | |
434 | mov ebx, DWORD PTR _des_SPtrans[0500h+edx] | |
435 | xor esi, ebx | |
436 | ; | |
437 | ; Round 10 | |
438 | mov eax, DWORD PTR 80[ebp] | |
439 | xor ebx, ebx | |
440 | mov edx, DWORD PTR 84[ebp] | |
441 | xor eax, esi | |
442 | xor edx, esi | |
443 | and eax, 0fcfcfcfch | |
444 | and edx, 0cfcfcfcfh | |
445 | mov bl, al | |
446 | mov cl, ah | |
447 | ror edx, 4 | |
448 | mov ebp, DWORD PTR _des_SPtrans[ebx] | |
449 | mov bl, dl | |
450 | xor edi, ebp | |
451 | mov ebp, DWORD PTR _des_SPtrans[0200h+ecx] | |
452 | xor edi, ebp | |
453 | mov cl, dh | |
454 | shr eax, 16 | |
455 | mov ebp, DWORD PTR _des_SPtrans[0100h+ebx] | |
456 | xor edi, ebp | |
457 | mov bl, ah | |
458 | shr edx, 16 | |
459 | mov ebp, DWORD PTR _des_SPtrans[0300h+ecx] | |
460 | xor edi, ebp | |
461 | mov ebp, DWORD PTR 24[esp] | |
462 | mov cl, dh | |
463 | and eax, 0ffh | |
464 | and edx, 0ffh | |
465 | mov ebx, DWORD PTR _des_SPtrans[0600h+ebx] | |
466 | xor edi, ebx | |
467 | mov ebx, DWORD PTR _des_SPtrans[0700h+ecx] | |
468 | xor edi, ebx | |
469 | mov ebx, DWORD PTR _des_SPtrans[0400h+eax] | |
470 | xor edi, ebx | |
471 | mov ebx, DWORD PTR _des_SPtrans[0500h+edx] | |
472 | xor edi, ebx | |
473 | ; | |
474 | ; Round 11 | |
475 | mov eax, DWORD PTR 88[ebp] | |
476 | xor ebx, ebx | |
477 | mov edx, DWORD PTR 92[ebp] | |
478 | xor eax, edi | |
479 | xor edx, edi | |
480 | and eax, 0fcfcfcfch | |
481 | and edx, 0cfcfcfcfh | |
482 | mov bl, al | |
483 | mov cl, ah | |
484 | ror edx, 4 | |
485 | mov ebp, DWORD PTR _des_SPtrans[ebx] | |
486 | mov bl, dl | |
487 | xor esi, ebp | |
488 | mov ebp, DWORD PTR _des_SPtrans[0200h+ecx] | |
489 | xor esi, ebp | |
490 | mov cl, dh | |
491 | shr eax, 16 | |
492 | mov ebp, DWORD PTR _des_SPtrans[0100h+ebx] | |
493 | xor esi, ebp | |
494 | mov bl, ah | |
495 | shr edx, 16 | |
496 | mov ebp, DWORD PTR _des_SPtrans[0300h+ecx] | |
497 | xor esi, ebp | |
498 | mov ebp, DWORD PTR 24[esp] | |
499 | mov cl, dh | |
500 | and eax, 0ffh | |
501 | and edx, 0ffh | |
502 | mov ebx, DWORD PTR _des_SPtrans[0600h+ebx] | |
503 | xor esi, ebx | |
504 | mov ebx, DWORD PTR _des_SPtrans[0700h+ecx] | |
505 | xor esi, ebx | |
506 | mov ebx, DWORD PTR _des_SPtrans[0400h+eax] | |
507 | xor esi, ebx | |
508 | mov ebx, DWORD PTR _des_SPtrans[0500h+edx] | |
509 | xor esi, ebx | |
510 | ; | |
511 | ; Round 12 | |
512 | mov eax, DWORD PTR 96[ebp] | |
513 | xor ebx, ebx | |
514 | mov edx, DWORD PTR 100[ebp] | |
515 | xor eax, esi | |
516 | xor edx, esi | |
517 | and eax, 0fcfcfcfch | |
518 | and edx, 0cfcfcfcfh | |
519 | mov bl, al | |
520 | mov cl, ah | |
521 | ror edx, 4 | |
522 | mov ebp, DWORD PTR _des_SPtrans[ebx] | |
523 | mov bl, dl | |
524 | xor edi, ebp | |
525 | mov ebp, DWORD PTR _des_SPtrans[0200h+ecx] | |
526 | xor edi, ebp | |
527 | mov cl, dh | |
528 | shr eax, 16 | |
529 | mov ebp, DWORD PTR _des_SPtrans[0100h+ebx] | |
530 | xor edi, ebp | |
531 | mov bl, ah | |
532 | shr edx, 16 | |
533 | mov ebp, DWORD PTR _des_SPtrans[0300h+ecx] | |
534 | xor edi, ebp | |
535 | mov ebp, DWORD PTR 24[esp] | |
536 | mov cl, dh | |
537 | and eax, 0ffh | |
538 | and edx, 0ffh | |
539 | mov ebx, DWORD PTR _des_SPtrans[0600h+ebx] | |
540 | xor edi, ebx | |
541 | mov ebx, DWORD PTR _des_SPtrans[0700h+ecx] | |
542 | xor edi, ebx | |
543 | mov ebx, DWORD PTR _des_SPtrans[0400h+eax] | |
544 | xor edi, ebx | |
545 | mov ebx, DWORD PTR _des_SPtrans[0500h+edx] | |
546 | xor edi, ebx | |
547 | ; | |
548 | ; Round 13 | |
549 | mov eax, DWORD PTR 104[ebp] | |
550 | xor ebx, ebx | |
551 | mov edx, DWORD PTR 108[ebp] | |
552 | xor eax, edi | |
553 | xor edx, edi | |
554 | and eax, 0fcfcfcfch | |
555 | and edx, 0cfcfcfcfh | |
556 | mov bl, al | |
557 | mov cl, ah | |
558 | ror edx, 4 | |
559 | mov ebp, DWORD PTR _des_SPtrans[ebx] | |
560 | mov bl, dl | |
561 | xor esi, ebp | |
562 | mov ebp, DWORD PTR _des_SPtrans[0200h+ecx] | |
563 | xor esi, ebp | |
564 | mov cl, dh | |
565 | shr eax, 16 | |
566 | mov ebp, DWORD PTR _des_SPtrans[0100h+ebx] | |
567 | xor esi, ebp | |
568 | mov bl, ah | |
569 | shr edx, 16 | |
570 | mov ebp, DWORD PTR _des_SPtrans[0300h+ecx] | |
571 | xor esi, ebp | |
572 | mov ebp, DWORD PTR 24[esp] | |
573 | mov cl, dh | |
574 | and eax, 0ffh | |
575 | and edx, 0ffh | |
576 | mov ebx, DWORD PTR _des_SPtrans[0600h+ebx] | |
577 | xor esi, ebx | |
578 | mov ebx, DWORD PTR _des_SPtrans[0700h+ecx] | |
579 | xor esi, ebx | |
580 | mov ebx, DWORD PTR _des_SPtrans[0400h+eax] | |
581 | xor esi, ebx | |
582 | mov ebx, DWORD PTR _des_SPtrans[0500h+edx] | |
583 | xor esi, ebx | |
584 | ; | |
585 | ; Round 14 | |
586 | mov eax, DWORD PTR 112[ebp] | |
587 | xor ebx, ebx | |
588 | mov edx, DWORD PTR 116[ebp] | |
589 | xor eax, esi | |
590 | xor edx, esi | |
591 | and eax, 0fcfcfcfch | |
592 | and edx, 0cfcfcfcfh | |
593 | mov bl, al | |
594 | mov cl, ah | |
595 | ror edx, 4 | |
596 | mov ebp, DWORD PTR _des_SPtrans[ebx] | |
597 | mov bl, dl | |
598 | xor edi, ebp | |
599 | mov ebp, DWORD PTR _des_SPtrans[0200h+ecx] | |
600 | xor edi, ebp | |
601 | mov cl, dh | |
602 | shr eax, 16 | |
603 | mov ebp, DWORD PTR _des_SPtrans[0100h+ebx] | |
604 | xor edi, ebp | |
605 | mov bl, ah | |
606 | shr edx, 16 | |
607 | mov ebp, DWORD PTR _des_SPtrans[0300h+ecx] | |
608 | xor edi, ebp | |
609 | mov ebp, DWORD PTR 24[esp] | |
610 | mov cl, dh | |
611 | and eax, 0ffh | |
612 | and edx, 0ffh | |
613 | mov ebx, DWORD PTR _des_SPtrans[0600h+ebx] | |
614 | xor edi, ebx | |
615 | mov ebx, DWORD PTR _des_SPtrans[0700h+ecx] | |
616 | xor edi, ebx | |
617 | mov ebx, DWORD PTR _des_SPtrans[0400h+eax] | |
618 | xor edi, ebx | |
619 | mov ebx, DWORD PTR _des_SPtrans[0500h+edx] | |
620 | xor edi, ebx | |
621 | ; | |
622 | ; Round 15 | |
623 | mov eax, DWORD PTR 120[ebp] | |
624 | xor ebx, ebx | |
625 | mov edx, DWORD PTR 124[ebp] | |
626 | xor eax, edi | |
627 | xor edx, edi | |
628 | and eax, 0fcfcfcfch | |
629 | and edx, 0cfcfcfcfh | |
630 | mov bl, al | |
631 | mov cl, ah | |
632 | ror edx, 4 | |
633 | mov ebp, DWORD PTR _des_SPtrans[ebx] | |
634 | mov bl, dl | |
635 | xor esi, ebp | |
636 | mov ebp, DWORD PTR _des_SPtrans[0200h+ecx] | |
637 | xor esi, ebp | |
638 | mov cl, dh | |
639 | shr eax, 16 | |
640 | mov ebp, DWORD PTR _des_SPtrans[0100h+ebx] | |
641 | xor esi, ebp | |
642 | mov bl, ah | |
643 | shr edx, 16 | |
644 | mov ebp, DWORD PTR _des_SPtrans[0300h+ecx] | |
645 | xor esi, ebp | |
646 | mov ebp, DWORD PTR 24[esp] | |
647 | mov cl, dh | |
648 | and eax, 0ffh | |
649 | and edx, 0ffh | |
650 | mov ebx, DWORD PTR _des_SPtrans[0600h+ebx] | |
651 | xor esi, ebx | |
652 | mov ebx, DWORD PTR _des_SPtrans[0700h+ecx] | |
653 | xor esi, ebx | |
654 | mov ebx, DWORD PTR _des_SPtrans[0400h+eax] | |
655 | xor esi, ebx | |
656 | mov ebx, DWORD PTR _des_SPtrans[0500h+edx] | |
657 | xor esi, ebx | |
658 | jmp $L001end | |
659 | $L000start_decrypt: | |
660 | ; | |
661 | ; Round 15 | |
662 | mov eax, DWORD PTR 120[ebp] | |
663 | xor ebx, ebx | |
664 | mov edx, DWORD PTR 124[ebp] | |
665 | xor eax, esi | |
666 | xor edx, esi | |
667 | and eax, 0fcfcfcfch | |
668 | and edx, 0cfcfcfcfh | |
669 | mov bl, al | |
670 | mov cl, ah | |
671 | ror edx, 4 | |
672 | mov ebp, DWORD PTR _des_SPtrans[ebx] | |
673 | mov bl, dl | |
674 | xor edi, ebp | |
675 | mov ebp, DWORD PTR _des_SPtrans[0200h+ecx] | |
676 | xor edi, ebp | |
677 | mov cl, dh | |
678 | shr eax, 16 | |
679 | mov ebp, DWORD PTR _des_SPtrans[0100h+ebx] | |
680 | xor edi, ebp | |
681 | mov bl, ah | |
682 | shr edx, 16 | |
683 | mov ebp, DWORD PTR _des_SPtrans[0300h+ecx] | |
684 | xor edi, ebp | |
685 | mov ebp, DWORD PTR 24[esp] | |
686 | mov cl, dh | |
687 | and eax, 0ffh | |
688 | and edx, 0ffh | |
689 | mov ebx, DWORD PTR _des_SPtrans[0600h+ebx] | |
690 | xor edi, ebx | |
691 | mov ebx, DWORD PTR _des_SPtrans[0700h+ecx] | |
692 | xor edi, ebx | |
693 | mov ebx, DWORD PTR _des_SPtrans[0400h+eax] | |
694 | xor edi, ebx | |
695 | mov ebx, DWORD PTR _des_SPtrans[0500h+edx] | |
696 | xor edi, ebx | |
697 | ; | |
698 | ; Round 14 | |
699 | mov eax, DWORD PTR 112[ebp] | |
700 | xor ebx, ebx | |
701 | mov edx, DWORD PTR 116[ebp] | |
702 | xor eax, edi | |
703 | xor edx, edi | |
704 | and eax, 0fcfcfcfch | |
705 | and edx, 0cfcfcfcfh | |
706 | mov bl, al | |
707 | mov cl, ah | |
708 | ror edx, 4 | |
709 | mov ebp, DWORD PTR _des_SPtrans[ebx] | |
710 | mov bl, dl | |
711 | xor esi, ebp | |
712 | mov ebp, DWORD PTR _des_SPtrans[0200h+ecx] | |
713 | xor esi, ebp | |
714 | mov cl, dh | |
715 | shr eax, 16 | |
716 | mov ebp, DWORD PTR _des_SPtrans[0100h+ebx] | |
717 | xor esi, ebp | |
718 | mov bl, ah | |
719 | shr edx, 16 | |
720 | mov ebp, DWORD PTR _des_SPtrans[0300h+ecx] | |
721 | xor esi, ebp | |
722 | mov ebp, DWORD PTR 24[esp] | |
723 | mov cl, dh | |
724 | and eax, 0ffh | |
725 | and edx, 0ffh | |
726 | mov ebx, DWORD PTR _des_SPtrans[0600h+ebx] | |
727 | xor esi, ebx | |
728 | mov ebx, DWORD PTR _des_SPtrans[0700h+ecx] | |
729 | xor esi, ebx | |
730 | mov ebx, DWORD PTR _des_SPtrans[0400h+eax] | |
731 | xor esi, ebx | |
732 | mov ebx, DWORD PTR _des_SPtrans[0500h+edx] | |
733 | xor esi, ebx | |
734 | ; | |
735 | ; Round 13 | |
736 | mov eax, DWORD PTR 104[ebp] | |
737 | xor ebx, ebx | |
738 | mov edx, DWORD PTR 108[ebp] | |
739 | xor eax, esi | |
740 | xor edx, esi | |
741 | and eax, 0fcfcfcfch | |
742 | and edx, 0cfcfcfcfh | |
743 | mov bl, al | |
744 | mov cl, ah | |
745 | ror edx, 4 | |
746 | mov ebp, DWORD PTR _des_SPtrans[ebx] | |
747 | mov bl, dl | |
748 | xor edi, ebp | |
749 | mov ebp, DWORD PTR _des_SPtrans[0200h+ecx] | |
750 | xor edi, ebp | |
751 | mov cl, dh | |
752 | shr eax, 16 | |
753 | mov ebp, DWORD PTR _des_SPtrans[0100h+ebx] | |
754 | xor edi, ebp | |
755 | mov bl, ah | |
756 | shr edx, 16 | |
757 | mov ebp, DWORD PTR _des_SPtrans[0300h+ecx] | |
758 | xor edi, ebp | |
759 | mov ebp, DWORD PTR 24[esp] | |
760 | mov cl, dh | |
761 | and eax, 0ffh | |
762 | and edx, 0ffh | |
763 | mov ebx, DWORD PTR _des_SPtrans[0600h+ebx] | |
764 | xor edi, ebx | |
765 | mov ebx, DWORD PTR _des_SPtrans[0700h+ecx] | |
766 | xor edi, ebx | |
767 | mov ebx, DWORD PTR _des_SPtrans[0400h+eax] | |
768 | xor edi, ebx | |
769 | mov ebx, DWORD PTR _des_SPtrans[0500h+edx] | |
770 | xor edi, ebx | |
771 | ; | |
772 | ; Round 12 | |
773 | mov eax, DWORD PTR 96[ebp] | |
774 | xor ebx, ebx | |
775 | mov edx, DWORD PTR 100[ebp] | |
776 | xor eax, edi | |
777 | xor edx, edi | |
778 | and eax, 0fcfcfcfch | |
779 | and edx, 0cfcfcfcfh | |
780 | mov bl, al | |
781 | mov cl, ah | |
782 | ror edx, 4 | |
783 | mov ebp, DWORD PTR _des_SPtrans[ebx] | |
784 | mov bl, dl | |
785 | xor esi, ebp | |
786 | mov ebp, DWORD PTR _des_SPtrans[0200h+ecx] | |
787 | xor esi, ebp | |
788 | mov cl, dh | |
789 | shr eax, 16 | |
790 | mov ebp, DWORD PTR _des_SPtrans[0100h+ebx] | |
791 | xor esi, ebp | |
792 | mov bl, ah | |
793 | shr edx, 16 | |
794 | mov ebp, DWORD PTR _des_SPtrans[0300h+ecx] | |
795 | xor esi, ebp | |
796 | mov ebp, DWORD PTR 24[esp] | |
797 | mov cl, dh | |
798 | and eax, 0ffh | |
799 | and edx, 0ffh | |
800 | mov ebx, DWORD PTR _des_SPtrans[0600h+ebx] | |
801 | xor esi, ebx | |
802 | mov ebx, DWORD PTR _des_SPtrans[0700h+ecx] | |
803 | xor esi, ebx | |
804 | mov ebx, DWORD PTR _des_SPtrans[0400h+eax] | |
805 | xor esi, ebx | |
806 | mov ebx, DWORD PTR _des_SPtrans[0500h+edx] | |
807 | xor esi, ebx | |
808 | ; | |
809 | ; Round 11 | |
810 | mov eax, DWORD PTR 88[ebp] | |
811 | xor ebx, ebx | |
812 | mov edx, DWORD PTR 92[ebp] | |
813 | xor eax, esi | |
814 | xor edx, esi | |
815 | and eax, 0fcfcfcfch | |
816 | and edx, 0cfcfcfcfh | |
817 | mov bl, al | |
818 | mov cl, ah | |
819 | ror edx, 4 | |
820 | mov ebp, DWORD PTR _des_SPtrans[ebx] | |
821 | mov bl, dl | |
822 | xor edi, ebp | |
823 | mov ebp, DWORD PTR _des_SPtrans[0200h+ecx] | |
824 | xor edi, ebp | |
825 | mov cl, dh | |
826 | shr eax, 16 | |
827 | mov ebp, DWORD PTR _des_SPtrans[0100h+ebx] | |
828 | xor edi, ebp | |
829 | mov bl, ah | |
830 | shr edx, 16 | |
831 | mov ebp, DWORD PTR _des_SPtrans[0300h+ecx] | |
832 | xor edi, ebp | |
833 | mov ebp, DWORD PTR 24[esp] | |
834 | mov cl, dh | |
835 | and eax, 0ffh | |
836 | and edx, 0ffh | |
837 | mov ebx, DWORD PTR _des_SPtrans[0600h+ebx] | |
838 | xor edi, ebx | |
839 | mov ebx, DWORD PTR _des_SPtrans[0700h+ecx] | |
840 | xor edi, ebx | |
841 | mov ebx, DWORD PTR _des_SPtrans[0400h+eax] | |
842 | xor edi, ebx | |
843 | mov ebx, DWORD PTR _des_SPtrans[0500h+edx] | |
844 | xor edi, ebx | |
845 | ; | |
846 | ; Round 10 | |
847 | mov eax, DWORD PTR 80[ebp] | |
848 | xor ebx, ebx | |
849 | mov edx, DWORD PTR 84[ebp] | |
850 | xor eax, edi | |
851 | xor edx, edi | |
852 | and eax, 0fcfcfcfch | |
853 | and edx, 0cfcfcfcfh | |
854 | mov bl, al | |
855 | mov cl, ah | |
856 | ror edx, 4 | |
857 | mov ebp, DWORD PTR _des_SPtrans[ebx] | |
858 | mov bl, dl | |
859 | xor esi, ebp | |
860 | mov ebp, DWORD PTR _des_SPtrans[0200h+ecx] | |
861 | xor esi, ebp | |
862 | mov cl, dh | |
863 | shr eax, 16 | |
864 | mov ebp, DWORD PTR _des_SPtrans[0100h+ebx] | |
865 | xor esi, ebp | |
866 | mov bl, ah | |
867 | shr edx, 16 | |
868 | mov ebp, DWORD PTR _des_SPtrans[0300h+ecx] | |
869 | xor esi, ebp | |
870 | mov ebp, DWORD PTR 24[esp] | |
871 | mov cl, dh | |
872 | and eax, 0ffh | |
873 | and edx, 0ffh | |
874 | mov ebx, DWORD PTR _des_SPtrans[0600h+ebx] | |
875 | xor esi, ebx | |
876 | mov ebx, DWORD PTR _des_SPtrans[0700h+ecx] | |
877 | xor esi, ebx | |
878 | mov ebx, DWORD PTR _des_SPtrans[0400h+eax] | |
879 | xor esi, ebx | |
880 | mov ebx, DWORD PTR _des_SPtrans[0500h+edx] | |
881 | xor esi, ebx | |
882 | ; | |
883 | ; Round 9 | |
884 | mov eax, DWORD PTR 72[ebp] | |
885 | xor ebx, ebx | |
886 | mov edx, DWORD PTR 76[ebp] | |
887 | xor eax, esi | |
888 | xor edx, esi | |
889 | and eax, 0fcfcfcfch | |
890 | and edx, 0cfcfcfcfh | |
891 | mov bl, al | |
892 | mov cl, ah | |
893 | ror edx, 4 | |
894 | mov ebp, DWORD PTR _des_SPtrans[ebx] | |
895 | mov bl, dl | |
896 | xor edi, ebp | |
897 | mov ebp, DWORD PTR _des_SPtrans[0200h+ecx] | |
898 | xor edi, ebp | |
899 | mov cl, dh | |
900 | shr eax, 16 | |
901 | mov ebp, DWORD PTR _des_SPtrans[0100h+ebx] | |
902 | xor edi, ebp | |
903 | mov bl, ah | |
904 | shr edx, 16 | |
905 | mov ebp, DWORD PTR _des_SPtrans[0300h+ecx] | |
906 | xor edi, ebp | |
907 | mov ebp, DWORD PTR 24[esp] | |
908 | mov cl, dh | |
909 | and eax, 0ffh | |
910 | and edx, 0ffh | |
911 | mov ebx, DWORD PTR _des_SPtrans[0600h+ebx] | |
912 | xor edi, ebx | |
913 | mov ebx, DWORD PTR _des_SPtrans[0700h+ecx] | |
914 | xor edi, ebx | |
915 | mov ebx, DWORD PTR _des_SPtrans[0400h+eax] | |
916 | xor edi, ebx | |
917 | mov ebx, DWORD PTR _des_SPtrans[0500h+edx] | |
918 | xor edi, ebx | |
919 | ; | |
920 | ; Round 8 | |
921 | mov eax, DWORD PTR 64[ebp] | |
922 | xor ebx, ebx | |
923 | mov edx, DWORD PTR 68[ebp] | |
924 | xor eax, edi | |
925 | xor edx, edi | |
926 | and eax, 0fcfcfcfch | |
927 | and edx, 0cfcfcfcfh | |
928 | mov bl, al | |
929 | mov cl, ah | |
930 | ror edx, 4 | |
931 | mov ebp, DWORD PTR _des_SPtrans[ebx] | |
932 | mov bl, dl | |
933 | xor esi, ebp | |
934 | mov ebp, DWORD PTR _des_SPtrans[0200h+ecx] | |
935 | xor esi, ebp | |
936 | mov cl, dh | |
937 | shr eax, 16 | |
938 | mov ebp, DWORD PTR _des_SPtrans[0100h+ebx] | |
939 | xor esi, ebp | |
940 | mov bl, ah | |
941 | shr edx, 16 | |
942 | mov ebp, DWORD PTR _des_SPtrans[0300h+ecx] | |
943 | xor esi, ebp | |
944 | mov ebp, DWORD PTR 24[esp] | |
945 | mov cl, dh | |
946 | and eax, 0ffh | |
947 | and edx, 0ffh | |
948 | mov ebx, DWORD PTR _des_SPtrans[0600h+ebx] | |
949 | xor esi, ebx | |
950 | mov ebx, DWORD PTR _des_SPtrans[0700h+ecx] | |
951 | xor esi, ebx | |
952 | mov ebx, DWORD PTR _des_SPtrans[0400h+eax] | |
953 | xor esi, ebx | |
954 | mov ebx, DWORD PTR _des_SPtrans[0500h+edx] | |
955 | xor esi, ebx | |
956 | ; | |
957 | ; Round 7 | |
958 | mov eax, DWORD PTR 56[ebp] | |
959 | xor ebx, ebx | |
960 | mov edx, DWORD PTR 60[ebp] | |
961 | xor eax, esi | |
962 | xor edx, esi | |
963 | and eax, 0fcfcfcfch | |
964 | and edx, 0cfcfcfcfh | |
965 | mov bl, al | |
966 | mov cl, ah | |
967 | ror edx, 4 | |
968 | mov ebp, DWORD PTR _des_SPtrans[ebx] | |
969 | mov bl, dl | |
970 | xor edi, ebp | |
971 | mov ebp, DWORD PTR _des_SPtrans[0200h+ecx] | |
972 | xor edi, ebp | |
973 | mov cl, dh | |
974 | shr eax, 16 | |
975 | mov ebp, DWORD PTR _des_SPtrans[0100h+ebx] | |
976 | xor edi, ebp | |
977 | mov bl, ah | |
978 | shr edx, 16 | |
979 | mov ebp, DWORD PTR _des_SPtrans[0300h+ecx] | |
980 | xor edi, ebp | |
981 | mov ebp, DWORD PTR 24[esp] | |
982 | mov cl, dh | |
983 | and eax, 0ffh | |
984 | and edx, 0ffh | |
985 | mov ebx, DWORD PTR _des_SPtrans[0600h+ebx] | |
986 | xor edi, ebx | |
987 | mov ebx, DWORD PTR _des_SPtrans[0700h+ecx] | |
988 | xor edi, ebx | |
989 | mov ebx, DWORD PTR _des_SPtrans[0400h+eax] | |
990 | xor edi, ebx | |
991 | mov ebx, DWORD PTR _des_SPtrans[0500h+edx] | |
992 | xor edi, ebx | |
993 | ; | |
994 | ; Round 6 | |
995 | mov eax, DWORD PTR 48[ebp] | |
996 | xor ebx, ebx | |
997 | mov edx, DWORD PTR 52[ebp] | |
998 | xor eax, edi | |
999 | xor edx, edi | |
1000 | and eax, 0fcfcfcfch | |
1001 | and edx, 0cfcfcfcfh | |
1002 | mov bl, al | |
1003 | mov cl, ah | |
1004 | ror edx, 4 | |
1005 | mov ebp, DWORD PTR _des_SPtrans[ebx] | |
1006 | mov bl, dl | |
1007 | xor esi, ebp | |
1008 | mov ebp, DWORD PTR _des_SPtrans[0200h+ecx] | |
1009 | xor esi, ebp | |
1010 | mov cl, dh | |
1011 | shr eax, 16 | |
1012 | mov ebp, DWORD PTR _des_SPtrans[0100h+ebx] | |
1013 | xor esi, ebp | |
1014 | mov bl, ah | |
1015 | shr edx, 16 | |
1016 | mov ebp, DWORD PTR _des_SPtrans[0300h+ecx] | |
1017 | xor esi, ebp | |
1018 | mov ebp, DWORD PTR 24[esp] | |
1019 | mov cl, dh | |
1020 | and eax, 0ffh | |
1021 | and edx, 0ffh | |
1022 | mov ebx, DWORD PTR _des_SPtrans[0600h+ebx] | |
1023 | xor esi, ebx | |
1024 | mov ebx, DWORD PTR _des_SPtrans[0700h+ecx] | |
1025 | xor esi, ebx | |
1026 | mov ebx, DWORD PTR _des_SPtrans[0400h+eax] | |
1027 | xor esi, ebx | |
1028 | mov ebx, DWORD PTR _des_SPtrans[0500h+edx] | |
1029 | xor esi, ebx | |
1030 | ; | |
1031 | ; Round 5 | |
1032 | mov eax, DWORD PTR 40[ebp] | |
1033 | xor ebx, ebx | |
1034 | mov edx, DWORD PTR 44[ebp] | |
1035 | xor eax, esi | |
1036 | xor edx, esi | |
1037 | and eax, 0fcfcfcfch | |
1038 | and edx, 0cfcfcfcfh | |
1039 | mov bl, al | |
1040 | mov cl, ah | |
1041 | ror edx, 4 | |
1042 | mov ebp, DWORD PTR _des_SPtrans[ebx] | |
1043 | mov bl, dl | |
1044 | xor edi, ebp | |
1045 | mov ebp, DWORD PTR _des_SPtrans[0200h+ecx] | |
1046 | xor edi, ebp | |
1047 | mov cl, dh | |
1048 | shr eax, 16 | |
1049 | mov ebp, DWORD PTR _des_SPtrans[0100h+ebx] | |
1050 | xor edi, ebp | |
1051 | mov bl, ah | |
1052 | shr edx, 16 | |
1053 | mov ebp, DWORD PTR _des_SPtrans[0300h+ecx] | |
1054 | xor edi, ebp | |
1055 | mov ebp, DWORD PTR 24[esp] | |
1056 | mov cl, dh | |
1057 | and eax, 0ffh | |
1058 | and edx, 0ffh | |
1059 | mov ebx, DWORD PTR _des_SPtrans[0600h+ebx] | |
1060 | xor edi, ebx | |
1061 | mov ebx, DWORD PTR _des_SPtrans[0700h+ecx] | |
1062 | xor edi, ebx | |
1063 | mov ebx, DWORD PTR _des_SPtrans[0400h+eax] | |
1064 | xor edi, ebx | |
1065 | mov ebx, DWORD PTR _des_SPtrans[0500h+edx] | |
1066 | xor edi, ebx | |
1067 | ; | |
1068 | ; Round 4 | |
1069 | mov eax, DWORD PTR 32[ebp] | |
1070 | xor ebx, ebx | |
1071 | mov edx, DWORD PTR 36[ebp] | |
1072 | xor eax, edi | |
1073 | xor edx, edi | |
1074 | and eax, 0fcfcfcfch | |
1075 | and edx, 0cfcfcfcfh | |
1076 | mov bl, al | |
1077 | mov cl, ah | |
1078 | ror edx, 4 | |
1079 | mov ebp, DWORD PTR _des_SPtrans[ebx] | |
1080 | mov bl, dl | |
1081 | xor esi, ebp | |
1082 | mov ebp, DWORD PTR _des_SPtrans[0200h+ecx] | |
1083 | xor esi, ebp | |
1084 | mov cl, dh | |
1085 | shr eax, 16 | |
1086 | mov ebp, DWORD PTR _des_SPtrans[0100h+ebx] | |
1087 | xor esi, ebp | |
1088 | mov bl, ah | |
1089 | shr edx, 16 | |
1090 | mov ebp, DWORD PTR _des_SPtrans[0300h+ecx] | |
1091 | xor esi, ebp | |
1092 | mov ebp, DWORD PTR 24[esp] | |
1093 | mov cl, dh | |
1094 | and eax, 0ffh | |
1095 | and edx, 0ffh | |
1096 | mov ebx, DWORD PTR _des_SPtrans[0600h+ebx] | |
1097 | xor esi, ebx | |
1098 | mov ebx, DWORD PTR _des_SPtrans[0700h+ecx] | |
1099 | xor esi, ebx | |
1100 | mov ebx, DWORD PTR _des_SPtrans[0400h+eax] | |
1101 | xor esi, ebx | |
1102 | mov ebx, DWORD PTR _des_SPtrans[0500h+edx] | |
1103 | xor esi, ebx | |
1104 | ; | |
1105 | ; Round 3 | |
1106 | mov eax, DWORD PTR 24[ebp] | |
1107 | xor ebx, ebx | |
1108 | mov edx, DWORD PTR 28[ebp] | |
1109 | xor eax, esi | |
1110 | xor edx, esi | |
1111 | and eax, 0fcfcfcfch | |
1112 | and edx, 0cfcfcfcfh | |
1113 | mov bl, al | |
1114 | mov cl, ah | |
1115 | ror edx, 4 | |
1116 | mov ebp, DWORD PTR _des_SPtrans[ebx] | |
1117 | mov bl, dl | |
1118 | xor edi, ebp | |
1119 | mov ebp, DWORD PTR _des_SPtrans[0200h+ecx] | |
1120 | xor edi, ebp | |
1121 | mov cl, dh | |
1122 | shr eax, 16 | |
1123 | mov ebp, DWORD PTR _des_SPtrans[0100h+ebx] | |
1124 | xor edi, ebp | |
1125 | mov bl, ah | |
1126 | shr edx, 16 | |
1127 | mov ebp, DWORD PTR _des_SPtrans[0300h+ecx] | |
1128 | xor edi, ebp | |
1129 | mov ebp, DWORD PTR 24[esp] | |
1130 | mov cl, dh | |
1131 | and eax, 0ffh | |
1132 | and edx, 0ffh | |
1133 | mov ebx, DWORD PTR _des_SPtrans[0600h+ebx] | |
1134 | xor edi, ebx | |
1135 | mov ebx, DWORD PTR _des_SPtrans[0700h+ecx] | |
1136 | xor edi, ebx | |
1137 | mov ebx, DWORD PTR _des_SPtrans[0400h+eax] | |
1138 | xor edi, ebx | |
1139 | mov ebx, DWORD PTR _des_SPtrans[0500h+edx] | |
1140 | xor edi, ebx | |
1141 | ; | |
1142 | ; Round 2 | |
1143 | mov eax, DWORD PTR 16[ebp] | |
1144 | xor ebx, ebx | |
1145 | mov edx, DWORD PTR 20[ebp] | |
1146 | xor eax, edi | |
1147 | xor edx, edi | |
1148 | and eax, 0fcfcfcfch | |
1149 | and edx, 0cfcfcfcfh | |
1150 | mov bl, al | |
1151 | mov cl, ah | |
1152 | ror edx, 4 | |
1153 | mov ebp, DWORD PTR _des_SPtrans[ebx] | |
1154 | mov bl, dl | |
1155 | xor esi, ebp | |
1156 | mov ebp, DWORD PTR _des_SPtrans[0200h+ecx] | |
1157 | xor esi, ebp | |
1158 | mov cl, dh | |
1159 | shr eax, 16 | |
1160 | mov ebp, DWORD PTR _des_SPtrans[0100h+ebx] | |
1161 | xor esi, ebp | |
1162 | mov bl, ah | |
1163 | shr edx, 16 | |
1164 | mov ebp, DWORD PTR _des_SPtrans[0300h+ecx] | |
1165 | xor esi, ebp | |
1166 | mov ebp, DWORD PTR 24[esp] | |
1167 | mov cl, dh | |
1168 | and eax, 0ffh | |
1169 | and edx, 0ffh | |
1170 | mov ebx, DWORD PTR _des_SPtrans[0600h+ebx] | |
1171 | xor esi, ebx | |
1172 | mov ebx, DWORD PTR _des_SPtrans[0700h+ecx] | |
1173 | xor esi, ebx | |
1174 | mov ebx, DWORD PTR _des_SPtrans[0400h+eax] | |
1175 | xor esi, ebx | |
1176 | mov ebx, DWORD PTR _des_SPtrans[0500h+edx] | |
1177 | xor esi, ebx | |
1178 | ; | |
1179 | ; Round 1 | |
1180 | mov eax, DWORD PTR 8[ebp] | |
1181 | xor ebx, ebx | |
1182 | mov edx, DWORD PTR 12[ebp] | |
1183 | xor eax, esi | |
1184 | xor edx, esi | |
1185 | and eax, 0fcfcfcfch | |
1186 | and edx, 0cfcfcfcfh | |
1187 | mov bl, al | |
1188 | mov cl, ah | |
1189 | ror edx, 4 | |
1190 | mov ebp, DWORD PTR _des_SPtrans[ebx] | |
1191 | mov bl, dl | |
1192 | xor edi, ebp | |
1193 | mov ebp, DWORD PTR _des_SPtrans[0200h+ecx] | |
1194 | xor edi, ebp | |
1195 | mov cl, dh | |
1196 | shr eax, 16 | |
1197 | mov ebp, DWORD PTR _des_SPtrans[0100h+ebx] | |
1198 | xor edi, ebp | |
1199 | mov bl, ah | |
1200 | shr edx, 16 | |
1201 | mov ebp, DWORD PTR _des_SPtrans[0300h+ecx] | |
1202 | xor edi, ebp | |
1203 | mov ebp, DWORD PTR 24[esp] | |
1204 | mov cl, dh | |
1205 | and eax, 0ffh | |
1206 | and edx, 0ffh | |
1207 | mov ebx, DWORD PTR _des_SPtrans[0600h+ebx] | |
1208 | xor edi, ebx | |
1209 | mov ebx, DWORD PTR _des_SPtrans[0700h+ecx] | |
1210 | xor edi, ebx | |
1211 | mov ebx, DWORD PTR _des_SPtrans[0400h+eax] | |
1212 | xor edi, ebx | |
1213 | mov ebx, DWORD PTR _des_SPtrans[0500h+edx] | |
1214 | xor edi, ebx | |
1215 | ; | |
1216 | ; Round 0 | |
1217 | mov eax, DWORD PTR [ebp] | |
1218 | xor ebx, ebx | |
1219 | mov edx, DWORD PTR 4[ebp] | |
1220 | xor eax, edi | |
1221 | xor edx, edi | |
1222 | and eax, 0fcfcfcfch | |
1223 | and edx, 0cfcfcfcfh | |
1224 | mov bl, al | |
1225 | mov cl, ah | |
1226 | ror edx, 4 | |
1227 | mov ebp, DWORD PTR _des_SPtrans[ebx] | |
1228 | mov bl, dl | |
1229 | xor esi, ebp | |
1230 | mov ebp, DWORD PTR _des_SPtrans[0200h+ecx] | |
1231 | xor esi, ebp | |
1232 | mov cl, dh | |
1233 | shr eax, 16 | |
1234 | mov ebp, DWORD PTR _des_SPtrans[0100h+ebx] | |
1235 | xor esi, ebp | |
1236 | mov bl, ah | |
1237 | shr edx, 16 | |
1238 | mov ebp, DWORD PTR _des_SPtrans[0300h+ecx] | |
1239 | xor esi, ebp | |
1240 | mov ebp, DWORD PTR 24[esp] | |
1241 | mov cl, dh | |
1242 | and eax, 0ffh | |
1243 | and edx, 0ffh | |
1244 | mov ebx, DWORD PTR _des_SPtrans[0600h+ebx] | |
1245 | xor esi, ebx | |
1246 | mov ebx, DWORD PTR _des_SPtrans[0700h+ecx] | |
1247 | xor esi, ebx | |
1248 | mov ebx, DWORD PTR _des_SPtrans[0400h+eax] | |
1249 | xor esi, ebx | |
1250 | mov ebx, DWORD PTR _des_SPtrans[0500h+edx] | |
1251 | xor esi, ebx | |
1252 | $L001end: | |
1253 | ; | |
1254 | ; FP | |
1255 | mov edx, DWORD PTR 20[esp] | |
1256 | ror esi, 1 | |
1257 | mov eax, edi | |
1258 | xor edi, esi | |
1259 | and edi, 0aaaaaaaah | |
1260 | xor eax, edi | |
1261 | xor esi, edi | |
1262 | ; | |
1263 | rol eax, 23 | |
1264 | mov edi, eax | |
1265 | xor eax, esi | |
1266 | and eax, 003fc03fch | |
1267 | xor edi, eax | |
1268 | xor esi, eax | |
1269 | ; | |
1270 | rol edi, 10 | |
1271 | mov eax, edi | |
1272 | xor edi, esi | |
1273 | and edi, 033333333h | |
1274 | xor eax, edi | |
1275 | xor esi, edi | |
1276 | ; | |
1277 | rol esi, 18 | |
1278 | mov edi, esi | |
1279 | xor esi, eax | |
1280 | and esi, 0fff0000fh | |
1281 | xor edi, esi | |
1282 | xor eax, esi | |
1283 | ; | |
1284 | rol edi, 12 | |
1285 | mov esi, edi | |
1286 | xor edi, eax | |
1287 | and edi, 0f0f0f0f0h | |
1288 | xor esi, edi | |
1289 | xor eax, edi | |
1290 | ; | |
1291 | ror eax, 4 | |
1292 | mov DWORD PTR [edx],eax | |
1293 | mov DWORD PTR 4[edx],esi | |
58964a49 RE |
1294 | pop ebp |
1295 | pop ebx | |
d02b48c6 RE |
1296 | pop edi |
1297 | pop esi | |
d02b48c6 RE |
1298 | ret |
1299 | _des_encrypt ENDP | |
1300 | _TEXT ENDS | |
1301 | _TEXT SEGMENT | |
1302 | PUBLIC _des_encrypt2 | |
58964a49 | 1303 | EXTRN _des_SPtrans:DWORD |
d02b48c6 | 1304 | _des_encrypt2 PROC NEAR |
d02b48c6 RE |
1305 | push esi |
1306 | push edi | |
1307 | ; | |
1308 | ; Load the 2 words | |
58964a49 | 1309 | mov eax, DWORD PTR 12[esp] |
d02b48c6 | 1310 | xor ecx, ecx |
58964a49 RE |
1311 | push ebx |
1312 | push ebp | |
d02b48c6 RE |
1313 | mov esi, DWORD PTR [eax] |
1314 | mov ebx, DWORD PTR 28[esp] | |
1315 | rol esi, 3 | |
1316 | mov edi, DWORD PTR 4[eax] | |
1317 | rol edi, 3 | |
d02b48c6 | 1318 | mov ebp, DWORD PTR 24[esp] |
58964a49 | 1319 | cmp ebx, 0 |
d02b48c6 RE |
1320 | je $L002start_decrypt |
1321 | ; | |
1322 | ; Round 0 | |
1323 | mov eax, DWORD PTR [ebp] | |
1324 | xor ebx, ebx | |
1325 | mov edx, DWORD PTR 4[ebp] | |
1326 | xor eax, esi | |
1327 | xor edx, esi | |
1328 | and eax, 0fcfcfcfch | |
1329 | and edx, 0cfcfcfcfh | |
1330 | mov bl, al | |
1331 | mov cl, ah | |
1332 | ror edx, 4 | |
1333 | mov ebp, DWORD PTR _des_SPtrans[ebx] | |
1334 | mov bl, dl | |
1335 | xor edi, ebp | |
1336 | mov ebp, DWORD PTR _des_SPtrans[0200h+ecx] | |
1337 | xor edi, ebp | |
1338 | mov cl, dh | |
1339 | shr eax, 16 | |
1340 | mov ebp, DWORD PTR _des_SPtrans[0100h+ebx] | |
1341 | xor edi, ebp | |
1342 | mov bl, ah | |
1343 | shr edx, 16 | |
1344 | mov ebp, DWORD PTR _des_SPtrans[0300h+ecx] | |
1345 | xor edi, ebp | |
1346 | mov ebp, DWORD PTR 24[esp] | |
1347 | mov cl, dh | |
1348 | and eax, 0ffh | |
1349 | and edx, 0ffh | |
1350 | mov ebx, DWORD PTR _des_SPtrans[0600h+ebx] | |
1351 | xor edi, ebx | |
1352 | mov ebx, DWORD PTR _des_SPtrans[0700h+ecx] | |
1353 | xor edi, ebx | |
1354 | mov ebx, DWORD PTR _des_SPtrans[0400h+eax] | |
1355 | xor edi, ebx | |
1356 | mov ebx, DWORD PTR _des_SPtrans[0500h+edx] | |
1357 | xor edi, ebx | |
1358 | ; | |
1359 | ; Round 1 | |
1360 | mov eax, DWORD PTR 8[ebp] | |
1361 | xor ebx, ebx | |
1362 | mov edx, DWORD PTR 12[ebp] | |
1363 | xor eax, edi | |
1364 | xor edx, edi | |
1365 | and eax, 0fcfcfcfch | |
1366 | and edx, 0cfcfcfcfh | |
1367 | mov bl, al | |
1368 | mov cl, ah | |
1369 | ror edx, 4 | |
1370 | mov ebp, DWORD PTR _des_SPtrans[ebx] | |
1371 | mov bl, dl | |
1372 | xor esi, ebp | |
1373 | mov ebp, DWORD PTR _des_SPtrans[0200h+ecx] | |
1374 | xor esi, ebp | |
1375 | mov cl, dh | |
1376 | shr eax, 16 | |
1377 | mov ebp, DWORD PTR _des_SPtrans[0100h+ebx] | |
1378 | xor esi, ebp | |
1379 | mov bl, ah | |
1380 | shr edx, 16 | |
1381 | mov ebp, DWORD PTR _des_SPtrans[0300h+ecx] | |
1382 | xor esi, ebp | |
1383 | mov ebp, DWORD PTR 24[esp] | |
1384 | mov cl, dh | |
1385 | and eax, 0ffh | |
1386 | and edx, 0ffh | |
1387 | mov ebx, DWORD PTR _des_SPtrans[0600h+ebx] | |
1388 | xor esi, ebx | |
1389 | mov ebx, DWORD PTR _des_SPtrans[0700h+ecx] | |
1390 | xor esi, ebx | |
1391 | mov ebx, DWORD PTR _des_SPtrans[0400h+eax] | |
1392 | xor esi, ebx | |
1393 | mov ebx, DWORD PTR _des_SPtrans[0500h+edx] | |
1394 | xor esi, ebx | |
1395 | ; | |
1396 | ; Round 2 | |
1397 | mov eax, DWORD PTR 16[ebp] | |
1398 | xor ebx, ebx | |
1399 | mov edx, DWORD PTR 20[ebp] | |
1400 | xor eax, esi | |
1401 | xor edx, esi | |
1402 | and eax, 0fcfcfcfch | |
1403 | and edx, 0cfcfcfcfh | |
1404 | mov bl, al | |
1405 | mov cl, ah | |
1406 | ror edx, 4 | |
1407 | mov ebp, DWORD PTR _des_SPtrans[ebx] | |
1408 | mov bl, dl | |
1409 | xor edi, ebp | |
1410 | mov ebp, DWORD PTR _des_SPtrans[0200h+ecx] | |
1411 | xor edi, ebp | |
1412 | mov cl, dh | |
1413 | shr eax, 16 | |
1414 | mov ebp, DWORD PTR _des_SPtrans[0100h+ebx] | |
1415 | xor edi, ebp | |
1416 | mov bl, ah | |
1417 | shr edx, 16 | |
1418 | mov ebp, DWORD PTR _des_SPtrans[0300h+ecx] | |
1419 | xor edi, ebp | |
1420 | mov ebp, DWORD PTR 24[esp] | |
1421 | mov cl, dh | |
1422 | and eax, 0ffh | |
1423 | and edx, 0ffh | |
1424 | mov ebx, DWORD PTR _des_SPtrans[0600h+ebx] | |
1425 | xor edi, ebx | |
1426 | mov ebx, DWORD PTR _des_SPtrans[0700h+ecx] | |
1427 | xor edi, ebx | |
1428 | mov ebx, DWORD PTR _des_SPtrans[0400h+eax] | |
1429 | xor edi, ebx | |
1430 | mov ebx, DWORD PTR _des_SPtrans[0500h+edx] | |
1431 | xor edi, ebx | |
1432 | ; | |
1433 | ; Round 3 | |
1434 | mov eax, DWORD PTR 24[ebp] | |
1435 | xor ebx, ebx | |
1436 | mov edx, DWORD PTR 28[ebp] | |
1437 | xor eax, edi | |
1438 | xor edx, edi | |
1439 | and eax, 0fcfcfcfch | |
1440 | and edx, 0cfcfcfcfh | |
1441 | mov bl, al | |
1442 | mov cl, ah | |
1443 | ror edx, 4 | |
1444 | mov ebp, DWORD PTR _des_SPtrans[ebx] | |
1445 | mov bl, dl | |
1446 | xor esi, ebp | |
1447 | mov ebp, DWORD PTR _des_SPtrans[0200h+ecx] | |
1448 | xor esi, ebp | |
1449 | mov cl, dh | |
1450 | shr eax, 16 | |
1451 | mov ebp, DWORD PTR _des_SPtrans[0100h+ebx] | |
1452 | xor esi, ebp | |
1453 | mov bl, ah | |
1454 | shr edx, 16 | |
1455 | mov ebp, DWORD PTR _des_SPtrans[0300h+ecx] | |
1456 | xor esi, ebp | |
1457 | mov ebp, DWORD PTR 24[esp] | |
1458 | mov cl, dh | |
1459 | and eax, 0ffh | |
1460 | and edx, 0ffh | |
1461 | mov ebx, DWORD PTR _des_SPtrans[0600h+ebx] | |
1462 | xor esi, ebx | |
1463 | mov ebx, DWORD PTR _des_SPtrans[0700h+ecx] | |
1464 | xor esi, ebx | |
1465 | mov ebx, DWORD PTR _des_SPtrans[0400h+eax] | |
1466 | xor esi, ebx | |
1467 | mov ebx, DWORD PTR _des_SPtrans[0500h+edx] | |
1468 | xor esi, ebx | |
1469 | ; | |
1470 | ; Round 4 | |
1471 | mov eax, DWORD PTR 32[ebp] | |
1472 | xor ebx, ebx | |
1473 | mov edx, DWORD PTR 36[ebp] | |
1474 | xor eax, esi | |
1475 | xor edx, esi | |
1476 | and eax, 0fcfcfcfch | |
1477 | and edx, 0cfcfcfcfh | |
1478 | mov bl, al | |
1479 | mov cl, ah | |
1480 | ror edx, 4 | |
1481 | mov ebp, DWORD PTR _des_SPtrans[ebx] | |
1482 | mov bl, dl | |
1483 | xor edi, ebp | |
1484 | mov ebp, DWORD PTR _des_SPtrans[0200h+ecx] | |
1485 | xor edi, ebp | |
1486 | mov cl, dh | |
1487 | shr eax, 16 | |
1488 | mov ebp, DWORD PTR _des_SPtrans[0100h+ebx] | |
1489 | xor edi, ebp | |
1490 | mov bl, ah | |
1491 | shr edx, 16 | |
1492 | mov ebp, DWORD PTR _des_SPtrans[0300h+ecx] | |
1493 | xor edi, ebp | |
1494 | mov ebp, DWORD PTR 24[esp] | |
1495 | mov cl, dh | |
1496 | and eax, 0ffh | |
1497 | and edx, 0ffh | |
1498 | mov ebx, DWORD PTR _des_SPtrans[0600h+ebx] | |
1499 | xor edi, ebx | |
1500 | mov ebx, DWORD PTR _des_SPtrans[0700h+ecx] | |
1501 | xor edi, ebx | |
1502 | mov ebx, DWORD PTR _des_SPtrans[0400h+eax] | |
1503 | xor edi, ebx | |
1504 | mov ebx, DWORD PTR _des_SPtrans[0500h+edx] | |
1505 | xor edi, ebx | |
1506 | ; | |
1507 | ; Round 5 | |
1508 | mov eax, DWORD PTR 40[ebp] | |
1509 | xor ebx, ebx | |
1510 | mov edx, DWORD PTR 44[ebp] | |
1511 | xor eax, edi | |
1512 | xor edx, edi | |
1513 | and eax, 0fcfcfcfch | |
1514 | and edx, 0cfcfcfcfh | |
1515 | mov bl, al | |
1516 | mov cl, ah | |
1517 | ror edx, 4 | |
1518 | mov ebp, DWORD PTR _des_SPtrans[ebx] | |
1519 | mov bl, dl | |
1520 | xor esi, ebp | |
1521 | mov ebp, DWORD PTR _des_SPtrans[0200h+ecx] | |
1522 | xor esi, ebp | |
1523 | mov cl, dh | |
1524 | shr eax, 16 | |
1525 | mov ebp, DWORD PTR _des_SPtrans[0100h+ebx] | |
1526 | xor esi, ebp | |
1527 | mov bl, ah | |
1528 | shr edx, 16 | |
1529 | mov ebp, DWORD PTR _des_SPtrans[0300h+ecx] | |
1530 | xor esi, ebp | |
1531 | mov ebp, DWORD PTR 24[esp] | |
1532 | mov cl, dh | |
1533 | and eax, 0ffh | |
1534 | and edx, 0ffh | |
1535 | mov ebx, DWORD PTR _des_SPtrans[0600h+ebx] | |
1536 | xor esi, ebx | |
1537 | mov ebx, DWORD PTR _des_SPtrans[0700h+ecx] | |
1538 | xor esi, ebx | |
1539 | mov ebx, DWORD PTR _des_SPtrans[0400h+eax] | |
1540 | xor esi, ebx | |
1541 | mov ebx, DWORD PTR _des_SPtrans[0500h+edx] | |
1542 | xor esi, ebx | |
1543 | ; | |
1544 | ; Round 6 | |
1545 | mov eax, DWORD PTR 48[ebp] | |
1546 | xor ebx, ebx | |
1547 | mov edx, DWORD PTR 52[ebp] | |
1548 | xor eax, esi | |
1549 | xor edx, esi | |
1550 | and eax, 0fcfcfcfch | |
1551 | and edx, 0cfcfcfcfh | |
1552 | mov bl, al | |
1553 | mov cl, ah | |
1554 | ror edx, 4 | |
1555 | mov ebp, DWORD PTR _des_SPtrans[ebx] | |
1556 | mov bl, dl | |
1557 | xor edi, ebp | |
1558 | mov ebp, DWORD PTR _des_SPtrans[0200h+ecx] | |
1559 | xor edi, ebp | |
1560 | mov cl, dh | |
1561 | shr eax, 16 | |
1562 | mov ebp, DWORD PTR _des_SPtrans[0100h+ebx] | |
1563 | xor edi, ebp | |
1564 | mov bl, ah | |
1565 | shr edx, 16 | |
1566 | mov ebp, DWORD PTR _des_SPtrans[0300h+ecx] | |
1567 | xor edi, ebp | |
1568 | mov ebp, DWORD PTR 24[esp] | |
1569 | mov cl, dh | |
1570 | and eax, 0ffh | |
1571 | and edx, 0ffh | |
1572 | mov ebx, DWORD PTR _des_SPtrans[0600h+ebx] | |
1573 | xor edi, ebx | |
1574 | mov ebx, DWORD PTR _des_SPtrans[0700h+ecx] | |
1575 | xor edi, ebx | |
1576 | mov ebx, DWORD PTR _des_SPtrans[0400h+eax] | |
1577 | xor edi, ebx | |
1578 | mov ebx, DWORD PTR _des_SPtrans[0500h+edx] | |
1579 | xor edi, ebx | |
1580 | ; | |
1581 | ; Round 7 | |
1582 | mov eax, DWORD PTR 56[ebp] | |
1583 | xor ebx, ebx | |
1584 | mov edx, DWORD PTR 60[ebp] | |
1585 | xor eax, edi | |
1586 | xor edx, edi | |
1587 | and eax, 0fcfcfcfch | |
1588 | and edx, 0cfcfcfcfh | |
1589 | mov bl, al | |
1590 | mov cl, ah | |
1591 | ror edx, 4 | |
1592 | mov ebp, DWORD PTR _des_SPtrans[ebx] | |
1593 | mov bl, dl | |
1594 | xor esi, ebp | |
1595 | mov ebp, DWORD PTR _des_SPtrans[0200h+ecx] | |
1596 | xor esi, ebp | |
1597 | mov cl, dh | |
1598 | shr eax, 16 | |
1599 | mov ebp, DWORD PTR _des_SPtrans[0100h+ebx] | |
1600 | xor esi, ebp | |
1601 | mov bl, ah | |
1602 | shr edx, 16 | |
1603 | mov ebp, DWORD PTR _des_SPtrans[0300h+ecx] | |
1604 | xor esi, ebp | |
1605 | mov ebp, DWORD PTR 24[esp] | |
1606 | mov cl, dh | |
1607 | and eax, 0ffh | |
1608 | and edx, 0ffh | |
1609 | mov ebx, DWORD PTR _des_SPtrans[0600h+ebx] | |
1610 | xor esi, ebx | |
1611 | mov ebx, DWORD PTR _des_SPtrans[0700h+ecx] | |
1612 | xor esi, ebx | |
1613 | mov ebx, DWORD PTR _des_SPtrans[0400h+eax] | |
1614 | xor esi, ebx | |
1615 | mov ebx, DWORD PTR _des_SPtrans[0500h+edx] | |
1616 | xor esi, ebx | |
1617 | ; | |
1618 | ; Round 8 | |
1619 | mov eax, DWORD PTR 64[ebp] | |
1620 | xor ebx, ebx | |
1621 | mov edx, DWORD PTR 68[ebp] | |
1622 | xor eax, esi | |
1623 | xor edx, esi | |
1624 | and eax, 0fcfcfcfch | |
1625 | and edx, 0cfcfcfcfh | |
1626 | mov bl, al | |
1627 | mov cl, ah | |
1628 | ror edx, 4 | |
1629 | mov ebp, DWORD PTR _des_SPtrans[ebx] | |
1630 | mov bl, dl | |
1631 | xor edi, ebp | |
1632 | mov ebp, DWORD PTR _des_SPtrans[0200h+ecx] | |
1633 | xor edi, ebp | |
1634 | mov cl, dh | |
1635 | shr eax, 16 | |
1636 | mov ebp, DWORD PTR _des_SPtrans[0100h+ebx] | |
1637 | xor edi, ebp | |
1638 | mov bl, ah | |
1639 | shr edx, 16 | |
1640 | mov ebp, DWORD PTR _des_SPtrans[0300h+ecx] | |
1641 | xor edi, ebp | |
1642 | mov ebp, DWORD PTR 24[esp] | |
1643 | mov cl, dh | |
1644 | and eax, 0ffh | |
1645 | and edx, 0ffh | |
1646 | mov ebx, DWORD PTR _des_SPtrans[0600h+ebx] | |
1647 | xor edi, ebx | |
1648 | mov ebx, DWORD PTR _des_SPtrans[0700h+ecx] | |
1649 | xor edi, ebx | |
1650 | mov ebx, DWORD PTR _des_SPtrans[0400h+eax] | |
1651 | xor edi, ebx | |
1652 | mov ebx, DWORD PTR _des_SPtrans[0500h+edx] | |
1653 | xor edi, ebx | |
1654 | ; | |
1655 | ; Round 9 | |
1656 | mov eax, DWORD PTR 72[ebp] | |
1657 | xor ebx, ebx | |
1658 | mov edx, DWORD PTR 76[ebp] | |
1659 | xor eax, edi | |
1660 | xor edx, edi | |
1661 | and eax, 0fcfcfcfch | |
1662 | and edx, 0cfcfcfcfh | |
1663 | mov bl, al | |
1664 | mov cl, ah | |
1665 | ror edx, 4 | |
1666 | mov ebp, DWORD PTR _des_SPtrans[ebx] | |
1667 | mov bl, dl | |
1668 | xor esi, ebp | |
1669 | mov ebp, DWORD PTR _des_SPtrans[0200h+ecx] | |
1670 | xor esi, ebp | |
1671 | mov cl, dh | |
1672 | shr eax, 16 | |
1673 | mov ebp, DWORD PTR _des_SPtrans[0100h+ebx] | |
1674 | xor esi, ebp | |
1675 | mov bl, ah | |
1676 | shr edx, 16 | |
1677 | mov ebp, DWORD PTR _des_SPtrans[0300h+ecx] | |
1678 | xor esi, ebp | |
1679 | mov ebp, DWORD PTR 24[esp] | |
1680 | mov cl, dh | |
1681 | and eax, 0ffh | |
1682 | and edx, 0ffh | |
1683 | mov ebx, DWORD PTR _des_SPtrans[0600h+ebx] | |
1684 | xor esi, ebx | |
1685 | mov ebx, DWORD PTR _des_SPtrans[0700h+ecx] | |
1686 | xor esi, ebx | |
1687 | mov ebx, DWORD PTR _des_SPtrans[0400h+eax] | |
1688 | xor esi, ebx | |
1689 | mov ebx, DWORD PTR _des_SPtrans[0500h+edx] | |
1690 | xor esi, ebx | |
1691 | ; | |
1692 | ; Round 10 | |
1693 | mov eax, DWORD PTR 80[ebp] | |
1694 | xor ebx, ebx | |
1695 | mov edx, DWORD PTR 84[ebp] | |
1696 | xor eax, esi | |
1697 | xor edx, esi | |
1698 | and eax, 0fcfcfcfch | |
1699 | and edx, 0cfcfcfcfh | |
1700 | mov bl, al | |
1701 | mov cl, ah | |
1702 | ror edx, 4 | |
1703 | mov ebp, DWORD PTR _des_SPtrans[ebx] | |
1704 | mov bl, dl | |
1705 | xor edi, ebp | |
1706 | mov ebp, DWORD PTR _des_SPtrans[0200h+ecx] | |
1707 | xor edi, ebp | |
1708 | mov cl, dh | |
1709 | shr eax, 16 | |
1710 | mov ebp, DWORD PTR _des_SPtrans[0100h+ebx] | |
1711 | xor edi, ebp | |
1712 | mov bl, ah | |
1713 | shr edx, 16 | |
1714 | mov ebp, DWORD PTR _des_SPtrans[0300h+ecx] | |
1715 | xor edi, ebp | |
1716 | mov ebp, DWORD PTR 24[esp] | |
1717 | mov cl, dh | |
1718 | and eax, 0ffh | |
1719 | and edx, 0ffh | |
1720 | mov ebx, DWORD PTR _des_SPtrans[0600h+ebx] | |
1721 | xor edi, ebx | |
1722 | mov ebx, DWORD PTR _des_SPtrans[0700h+ecx] | |
1723 | xor edi, ebx | |
1724 | mov ebx, DWORD PTR _des_SPtrans[0400h+eax] | |
1725 | xor edi, ebx | |
1726 | mov ebx, DWORD PTR _des_SPtrans[0500h+edx] | |
1727 | xor edi, ebx | |
1728 | ; | |
1729 | ; Round 11 | |
1730 | mov eax, DWORD PTR 88[ebp] | |
1731 | xor ebx, ebx | |
1732 | mov edx, DWORD PTR 92[ebp] | |
1733 | xor eax, edi | |
1734 | xor edx, edi | |
1735 | and eax, 0fcfcfcfch | |
1736 | and edx, 0cfcfcfcfh | |
1737 | mov bl, al | |
1738 | mov cl, ah | |
1739 | ror edx, 4 | |
1740 | mov ebp, DWORD PTR _des_SPtrans[ebx] | |
1741 | mov bl, dl | |
1742 | xor esi, ebp | |
1743 | mov ebp, DWORD PTR _des_SPtrans[0200h+ecx] | |
1744 | xor esi, ebp | |
1745 | mov cl, dh | |
1746 | shr eax, 16 | |
1747 | mov ebp, DWORD PTR _des_SPtrans[0100h+ebx] | |
1748 | xor esi, ebp | |
1749 | mov bl, ah | |
1750 | shr edx, 16 | |
1751 | mov ebp, DWORD PTR _des_SPtrans[0300h+ecx] | |
1752 | xor esi, ebp | |
1753 | mov ebp, DWORD PTR 24[esp] | |
1754 | mov cl, dh | |
1755 | and eax, 0ffh | |
1756 | and edx, 0ffh | |
1757 | mov ebx, DWORD PTR _des_SPtrans[0600h+ebx] | |
1758 | xor esi, ebx | |
1759 | mov ebx, DWORD PTR _des_SPtrans[0700h+ecx] | |
1760 | xor esi, ebx | |
1761 | mov ebx, DWORD PTR _des_SPtrans[0400h+eax] | |
1762 | xor esi, ebx | |
1763 | mov ebx, DWORD PTR _des_SPtrans[0500h+edx] | |
1764 | xor esi, ebx | |
1765 | ; | |
1766 | ; Round 12 | |
1767 | mov eax, DWORD PTR 96[ebp] | |
1768 | xor ebx, ebx | |
1769 | mov edx, DWORD PTR 100[ebp] | |
1770 | xor eax, esi | |
1771 | xor edx, esi | |
1772 | and eax, 0fcfcfcfch | |
1773 | and edx, 0cfcfcfcfh | |
1774 | mov bl, al | |
1775 | mov cl, ah | |
1776 | ror edx, 4 | |
1777 | mov ebp, DWORD PTR _des_SPtrans[ebx] | |
1778 | mov bl, dl | |
1779 | xor edi, ebp | |
1780 | mov ebp, DWORD PTR _des_SPtrans[0200h+ecx] | |
1781 | xor edi, ebp | |
1782 | mov cl, dh | |
1783 | shr eax, 16 | |
1784 | mov ebp, DWORD PTR _des_SPtrans[0100h+ebx] | |
1785 | xor edi, ebp | |
1786 | mov bl, ah | |
1787 | shr edx, 16 | |
1788 | mov ebp, DWORD PTR _des_SPtrans[0300h+ecx] | |
1789 | xor edi, ebp | |
1790 | mov ebp, DWORD PTR 24[esp] | |
1791 | mov cl, dh | |
1792 | and eax, 0ffh | |
1793 | and edx, 0ffh | |
1794 | mov ebx, DWORD PTR _des_SPtrans[0600h+ebx] | |
1795 | xor edi, ebx | |
1796 | mov ebx, DWORD PTR _des_SPtrans[0700h+ecx] | |
1797 | xor edi, ebx | |
1798 | mov ebx, DWORD PTR _des_SPtrans[0400h+eax] | |
1799 | xor edi, ebx | |
1800 | mov ebx, DWORD PTR _des_SPtrans[0500h+edx] | |
1801 | xor edi, ebx | |
1802 | ; | |
1803 | ; Round 13 | |
1804 | mov eax, DWORD PTR 104[ebp] | |
1805 | xor ebx, ebx | |
1806 | mov edx, DWORD PTR 108[ebp] | |
1807 | xor eax, edi | |
1808 | xor edx, edi | |
1809 | and eax, 0fcfcfcfch | |
1810 | and edx, 0cfcfcfcfh | |
1811 | mov bl, al | |
1812 | mov cl, ah | |
1813 | ror edx, 4 | |
1814 | mov ebp, DWORD PTR _des_SPtrans[ebx] | |
1815 | mov bl, dl | |
1816 | xor esi, ebp | |
1817 | mov ebp, DWORD PTR _des_SPtrans[0200h+ecx] | |
1818 | xor esi, ebp | |
1819 | mov cl, dh | |
1820 | shr eax, 16 | |
1821 | mov ebp, DWORD PTR _des_SPtrans[0100h+ebx] | |
1822 | xor esi, ebp | |
1823 | mov bl, ah | |
1824 | shr edx, 16 | |
1825 | mov ebp, DWORD PTR _des_SPtrans[0300h+ecx] | |
1826 | xor esi, ebp | |
1827 | mov ebp, DWORD PTR 24[esp] | |
1828 | mov cl, dh | |
1829 | and eax, 0ffh | |
1830 | and edx, 0ffh | |
1831 | mov ebx, DWORD PTR _des_SPtrans[0600h+ebx] | |
1832 | xor esi, ebx | |
1833 | mov ebx, DWORD PTR _des_SPtrans[0700h+ecx] | |
1834 | xor esi, ebx | |
1835 | mov ebx, DWORD PTR _des_SPtrans[0400h+eax] | |
1836 | xor esi, ebx | |
1837 | mov ebx, DWORD PTR _des_SPtrans[0500h+edx] | |
1838 | xor esi, ebx | |
1839 | ; | |
1840 | ; Round 14 | |
1841 | mov eax, DWORD PTR 112[ebp] | |
1842 | xor ebx, ebx | |
1843 | mov edx, DWORD PTR 116[ebp] | |
1844 | xor eax, esi | |
1845 | xor edx, esi | |
1846 | and eax, 0fcfcfcfch | |
1847 | and edx, 0cfcfcfcfh | |
1848 | mov bl, al | |
1849 | mov cl, ah | |
1850 | ror edx, 4 | |
1851 | mov ebp, DWORD PTR _des_SPtrans[ebx] | |
1852 | mov bl, dl | |
1853 | xor edi, ebp | |
1854 | mov ebp, DWORD PTR _des_SPtrans[0200h+ecx] | |
1855 | xor edi, ebp | |
1856 | mov cl, dh | |
1857 | shr eax, 16 | |
1858 | mov ebp, DWORD PTR _des_SPtrans[0100h+ebx] | |
1859 | xor edi, ebp | |
1860 | mov bl, ah | |
1861 | shr edx, 16 | |
1862 | mov ebp, DWORD PTR _des_SPtrans[0300h+ecx] | |
1863 | xor edi, ebp | |
1864 | mov ebp, DWORD PTR 24[esp] | |
1865 | mov cl, dh | |
1866 | and eax, 0ffh | |
1867 | and edx, 0ffh | |
1868 | mov ebx, DWORD PTR _des_SPtrans[0600h+ebx] | |
1869 | xor edi, ebx | |
1870 | mov ebx, DWORD PTR _des_SPtrans[0700h+ecx] | |
1871 | xor edi, ebx | |
1872 | mov ebx, DWORD PTR _des_SPtrans[0400h+eax] | |
1873 | xor edi, ebx | |
1874 | mov ebx, DWORD PTR _des_SPtrans[0500h+edx] | |
1875 | xor edi, ebx | |
1876 | ; | |
1877 | ; Round 15 | |
1878 | mov eax, DWORD PTR 120[ebp] | |
1879 | xor ebx, ebx | |
1880 | mov edx, DWORD PTR 124[ebp] | |
1881 | xor eax, edi | |
1882 | xor edx, edi | |
1883 | and eax, 0fcfcfcfch | |
1884 | and edx, 0cfcfcfcfh | |
1885 | mov bl, al | |
1886 | mov cl, ah | |
1887 | ror edx, 4 | |
1888 | mov ebp, DWORD PTR _des_SPtrans[ebx] | |
1889 | mov bl, dl | |
1890 | xor esi, ebp | |
1891 | mov ebp, DWORD PTR _des_SPtrans[0200h+ecx] | |
1892 | xor esi, ebp | |
1893 | mov cl, dh | |
1894 | shr eax, 16 | |
1895 | mov ebp, DWORD PTR _des_SPtrans[0100h+ebx] | |
1896 | xor esi, ebp | |
1897 | mov bl, ah | |
1898 | shr edx, 16 | |
1899 | mov ebp, DWORD PTR _des_SPtrans[0300h+ecx] | |
1900 | xor esi, ebp | |
1901 | mov ebp, DWORD PTR 24[esp] | |
1902 | mov cl, dh | |
1903 | and eax, 0ffh | |
1904 | and edx, 0ffh | |
1905 | mov ebx, DWORD PTR _des_SPtrans[0600h+ebx] | |
1906 | xor esi, ebx | |
1907 | mov ebx, DWORD PTR _des_SPtrans[0700h+ecx] | |
1908 | xor esi, ebx | |
1909 | mov ebx, DWORD PTR _des_SPtrans[0400h+eax] | |
1910 | xor esi, ebx | |
1911 | mov ebx, DWORD PTR _des_SPtrans[0500h+edx] | |
1912 | xor esi, ebx | |
1913 | jmp $L003end | |
1914 | $L002start_decrypt: | |
1915 | ; | |
1916 | ; Round 15 | |
1917 | mov eax, DWORD PTR 120[ebp] | |
1918 | xor ebx, ebx | |
1919 | mov edx, DWORD PTR 124[ebp] | |
1920 | xor eax, esi | |
1921 | xor edx, esi | |
1922 | and eax, 0fcfcfcfch | |
1923 | and edx, 0cfcfcfcfh | |
1924 | mov bl, al | |
1925 | mov cl, ah | |
1926 | ror edx, 4 | |
1927 | mov ebp, DWORD PTR _des_SPtrans[ebx] | |
1928 | mov bl, dl | |
1929 | xor edi, ebp | |
1930 | mov ebp, DWORD PTR _des_SPtrans[0200h+ecx] | |
1931 | xor edi, ebp | |
1932 | mov cl, dh | |
1933 | shr eax, 16 | |
1934 | mov ebp, DWORD PTR _des_SPtrans[0100h+ebx] | |
1935 | xor edi, ebp | |
1936 | mov bl, ah | |
1937 | shr edx, 16 | |
1938 | mov ebp, DWORD PTR _des_SPtrans[0300h+ecx] | |
1939 | xor edi, ebp | |
1940 | mov ebp, DWORD PTR 24[esp] | |
1941 | mov cl, dh | |
1942 | and eax, 0ffh | |
1943 | and edx, 0ffh | |
1944 | mov ebx, DWORD PTR _des_SPtrans[0600h+ebx] | |
1945 | xor edi, ebx | |
1946 | mov ebx, DWORD PTR _des_SPtrans[0700h+ecx] | |
1947 | xor edi, ebx | |
1948 | mov ebx, DWORD PTR _des_SPtrans[0400h+eax] | |
1949 | xor edi, ebx | |
1950 | mov ebx, DWORD PTR _des_SPtrans[0500h+edx] | |
1951 | xor edi, ebx | |
1952 | ; | |
1953 | ; Round 14 | |
1954 | mov eax, DWORD PTR 112[ebp] | |
1955 | xor ebx, ebx | |
1956 | mov edx, DWORD PTR 116[ebp] | |
1957 | xor eax, edi | |
1958 | xor edx, edi | |
1959 | and eax, 0fcfcfcfch | |
1960 | and edx, 0cfcfcfcfh | |
1961 | mov bl, al | |
1962 | mov cl, ah | |
1963 | ror edx, 4 | |
1964 | mov ebp, DWORD PTR _des_SPtrans[ebx] | |
1965 | mov bl, dl | |
1966 | xor esi, ebp | |
1967 | mov ebp, DWORD PTR _des_SPtrans[0200h+ecx] | |
1968 | xor esi, ebp | |
1969 | mov cl, dh | |
1970 | shr eax, 16 | |
1971 | mov ebp, DWORD PTR _des_SPtrans[0100h+ebx] | |
1972 | xor esi, ebp | |
1973 | mov bl, ah | |
1974 | shr edx, 16 | |
1975 | mov ebp, DWORD PTR _des_SPtrans[0300h+ecx] | |
1976 | xor esi, ebp | |
1977 | mov ebp, DWORD PTR 24[esp] | |
1978 | mov cl, dh | |
1979 | and eax, 0ffh | |
1980 | and edx, 0ffh | |
1981 | mov ebx, DWORD PTR _des_SPtrans[0600h+ebx] | |
1982 | xor esi, ebx | |
1983 | mov ebx, DWORD PTR _des_SPtrans[0700h+ecx] | |
1984 | xor esi, ebx | |
1985 | mov ebx, DWORD PTR _des_SPtrans[0400h+eax] | |
1986 | xor esi, ebx | |
1987 | mov ebx, DWORD PTR _des_SPtrans[0500h+edx] | |
1988 | xor esi, ebx | |
1989 | ; | |
1990 | ; Round 13 | |
1991 | mov eax, DWORD PTR 104[ebp] | |
1992 | xor ebx, ebx | |
1993 | mov edx, DWORD PTR 108[ebp] | |
1994 | xor eax, esi | |
1995 | xor edx, esi | |
1996 | and eax, 0fcfcfcfch | |
1997 | and edx, 0cfcfcfcfh | |
1998 | mov bl, al | |
1999 | mov cl, ah | |
2000 | ror edx, 4 | |
2001 | mov ebp, DWORD PTR _des_SPtrans[ebx] | |
2002 | mov bl, dl | |
2003 | xor edi, ebp | |
2004 | mov ebp, DWORD PTR _des_SPtrans[0200h+ecx] | |
2005 | xor edi, ebp | |
2006 | mov cl, dh | |
2007 | shr eax, 16 | |
2008 | mov ebp, DWORD PTR _des_SPtrans[0100h+ebx] | |
2009 | xor edi, ebp | |
2010 | mov bl, ah | |
2011 | shr edx, 16 | |
2012 | mov ebp, DWORD PTR _des_SPtrans[0300h+ecx] | |
2013 | xor edi, ebp | |
2014 | mov ebp, DWORD PTR 24[esp] | |
2015 | mov cl, dh | |
2016 | and eax, 0ffh | |
2017 | and edx, 0ffh | |
2018 | mov ebx, DWORD PTR _des_SPtrans[0600h+ebx] | |
2019 | xor edi, ebx | |
2020 | mov ebx, DWORD PTR _des_SPtrans[0700h+ecx] | |
2021 | xor edi, ebx | |
2022 | mov ebx, DWORD PTR _des_SPtrans[0400h+eax] | |
2023 | xor edi, ebx | |
2024 | mov ebx, DWORD PTR _des_SPtrans[0500h+edx] | |
2025 | xor edi, ebx | |
2026 | ; | |
2027 | ; Round 12 | |
2028 | mov eax, DWORD PTR 96[ebp] | |
2029 | xor ebx, ebx | |
2030 | mov edx, DWORD PTR 100[ebp] | |
2031 | xor eax, edi | |
2032 | xor edx, edi | |
2033 | and eax, 0fcfcfcfch | |
2034 | and edx, 0cfcfcfcfh | |
2035 | mov bl, al | |
2036 | mov cl, ah | |
2037 | ror edx, 4 | |
2038 | mov ebp, DWORD PTR _des_SPtrans[ebx] | |
2039 | mov bl, dl | |
2040 | xor esi, ebp | |
2041 | mov ebp, DWORD PTR _des_SPtrans[0200h+ecx] | |
2042 | xor esi, ebp | |
2043 | mov cl, dh | |
2044 | shr eax, 16 | |
2045 | mov ebp, DWORD PTR _des_SPtrans[0100h+ebx] | |
2046 | xor esi, ebp | |
2047 | mov bl, ah | |
2048 | shr edx, 16 | |
2049 | mov ebp, DWORD PTR _des_SPtrans[0300h+ecx] | |
2050 | xor esi, ebp | |
2051 | mov ebp, DWORD PTR 24[esp] | |
2052 | mov cl, dh | |
2053 | and eax, 0ffh | |
2054 | and edx, 0ffh | |
2055 | mov ebx, DWORD PTR _des_SPtrans[0600h+ebx] | |
2056 | xor esi, ebx | |
2057 | mov ebx, DWORD PTR _des_SPtrans[0700h+ecx] | |
2058 | xor esi, ebx | |
2059 | mov ebx, DWORD PTR _des_SPtrans[0400h+eax] | |
2060 | xor esi, ebx | |
2061 | mov ebx, DWORD PTR _des_SPtrans[0500h+edx] | |
2062 | xor esi, ebx | |
2063 | ; | |
2064 | ; Round 11 | |
2065 | mov eax, DWORD PTR 88[ebp] | |
2066 | xor ebx, ebx | |
2067 | mov edx, DWORD PTR 92[ebp] | |
2068 | xor eax, esi | |
2069 | xor edx, esi | |
2070 | and eax, 0fcfcfcfch | |
2071 | and edx, 0cfcfcfcfh | |
2072 | mov bl, al | |
2073 | mov cl, ah | |
2074 | ror edx, 4 | |
2075 | mov ebp, DWORD PTR _des_SPtrans[ebx] | |
2076 | mov bl, dl | |
2077 | xor edi, ebp | |
2078 | mov ebp, DWORD PTR _des_SPtrans[0200h+ecx] | |
2079 | xor edi, ebp | |
2080 | mov cl, dh | |
2081 | shr eax, 16 | |
2082 | mov ebp, DWORD PTR _des_SPtrans[0100h+ebx] | |
2083 | xor edi, ebp | |
2084 | mov bl, ah | |
2085 | shr edx, 16 | |
2086 | mov ebp, DWORD PTR _des_SPtrans[0300h+ecx] | |
2087 | xor edi, ebp | |
2088 | mov ebp, DWORD PTR 24[esp] | |
2089 | mov cl, dh | |
2090 | and eax, 0ffh | |
2091 | and edx, 0ffh | |
2092 | mov ebx, DWORD PTR _des_SPtrans[0600h+ebx] | |
2093 | xor edi, ebx | |
2094 | mov ebx, DWORD PTR _des_SPtrans[0700h+ecx] | |
2095 | xor edi, ebx | |
2096 | mov ebx, DWORD PTR _des_SPtrans[0400h+eax] | |
2097 | xor edi, ebx | |
2098 | mov ebx, DWORD PTR _des_SPtrans[0500h+edx] | |
2099 | xor edi, ebx | |
2100 | ; | |
2101 | ; Round 10 | |
2102 | mov eax, DWORD PTR 80[ebp] | |
2103 | xor ebx, ebx | |
2104 | mov edx, DWORD PTR 84[ebp] | |
2105 | xor eax, edi | |
2106 | xor edx, edi | |
2107 | and eax, 0fcfcfcfch | |
2108 | and edx, 0cfcfcfcfh | |
2109 | mov bl, al | |
2110 | mov cl, ah | |
2111 | ror edx, 4 | |
2112 | mov ebp, DWORD PTR _des_SPtrans[ebx] | |
2113 | mov bl, dl | |
2114 | xor esi, ebp | |
2115 | mov ebp, DWORD PTR _des_SPtrans[0200h+ecx] | |
2116 | xor esi, ebp | |
2117 | mov cl, dh | |
2118 | shr eax, 16 | |
2119 | mov ebp, DWORD PTR _des_SPtrans[0100h+ebx] | |
2120 | xor esi, ebp | |
2121 | mov bl, ah | |
2122 | shr edx, 16 | |
2123 | mov ebp, DWORD PTR _des_SPtrans[0300h+ecx] | |
2124 | xor esi, ebp | |
2125 | mov ebp, DWORD PTR 24[esp] | |
2126 | mov cl, dh | |
2127 | and eax, 0ffh | |
2128 | and edx, 0ffh | |
2129 | mov ebx, DWORD PTR _des_SPtrans[0600h+ebx] | |
2130 | xor esi, ebx | |
2131 | mov ebx, DWORD PTR _des_SPtrans[0700h+ecx] | |
2132 | xor esi, ebx | |
2133 | mov ebx, DWORD PTR _des_SPtrans[0400h+eax] | |
2134 | xor esi, ebx | |
2135 | mov ebx, DWORD PTR _des_SPtrans[0500h+edx] | |
2136 | xor esi, ebx | |
2137 | ; | |
2138 | ; Round 9 | |
2139 | mov eax, DWORD PTR 72[ebp] | |
2140 | xor ebx, ebx | |
2141 | mov edx, DWORD PTR 76[ebp] | |
2142 | xor eax, esi | |
2143 | xor edx, esi | |
2144 | and eax, 0fcfcfcfch | |
2145 | and edx, 0cfcfcfcfh | |
2146 | mov bl, al | |
2147 | mov cl, ah | |
2148 | ror edx, 4 | |
2149 | mov ebp, DWORD PTR _des_SPtrans[ebx] | |
2150 | mov bl, dl | |
2151 | xor edi, ebp | |
2152 | mov ebp, DWORD PTR _des_SPtrans[0200h+ecx] | |
2153 | xor edi, ebp | |
2154 | mov cl, dh | |
2155 | shr eax, 16 | |
2156 | mov ebp, DWORD PTR _des_SPtrans[0100h+ebx] | |
2157 | xor edi, ebp | |
2158 | mov bl, ah | |
2159 | shr edx, 16 | |
2160 | mov ebp, DWORD PTR _des_SPtrans[0300h+ecx] | |
2161 | xor edi, ebp | |
2162 | mov ebp, DWORD PTR 24[esp] | |
2163 | mov cl, dh | |
2164 | and eax, 0ffh | |
2165 | and edx, 0ffh | |
2166 | mov ebx, DWORD PTR _des_SPtrans[0600h+ebx] | |
2167 | xor edi, ebx | |
2168 | mov ebx, DWORD PTR _des_SPtrans[0700h+ecx] | |
2169 | xor edi, ebx | |
2170 | mov ebx, DWORD PTR _des_SPtrans[0400h+eax] | |
2171 | xor edi, ebx | |
2172 | mov ebx, DWORD PTR _des_SPtrans[0500h+edx] | |
2173 | xor edi, ebx | |
2174 | ; | |
2175 | ; Round 8 | |
2176 | mov eax, DWORD PTR 64[ebp] | |
2177 | xor ebx, ebx | |
2178 | mov edx, DWORD PTR 68[ebp] | |
2179 | xor eax, edi | |
2180 | xor edx, edi | |
2181 | and eax, 0fcfcfcfch | |
2182 | and edx, 0cfcfcfcfh | |
2183 | mov bl, al | |
2184 | mov cl, ah | |
2185 | ror edx, 4 | |
2186 | mov ebp, DWORD PTR _des_SPtrans[ebx] | |
2187 | mov bl, dl | |
2188 | xor esi, ebp | |
2189 | mov ebp, DWORD PTR _des_SPtrans[0200h+ecx] | |
2190 | xor esi, ebp | |
2191 | mov cl, dh | |
2192 | shr eax, 16 | |
2193 | mov ebp, DWORD PTR _des_SPtrans[0100h+ebx] | |
2194 | xor esi, ebp | |
2195 | mov bl, ah | |
2196 | shr edx, 16 | |
2197 | mov ebp, DWORD PTR _des_SPtrans[0300h+ecx] | |
2198 | xor esi, ebp | |
2199 | mov ebp, DWORD PTR 24[esp] | |
2200 | mov cl, dh | |
2201 | and eax, 0ffh | |
2202 | and edx, 0ffh | |
2203 | mov ebx, DWORD PTR _des_SPtrans[0600h+ebx] | |
2204 | xor esi, ebx | |
2205 | mov ebx, DWORD PTR _des_SPtrans[0700h+ecx] | |
2206 | xor esi, ebx | |
2207 | mov ebx, DWORD PTR _des_SPtrans[0400h+eax] | |
2208 | xor esi, ebx | |
2209 | mov ebx, DWORD PTR _des_SPtrans[0500h+edx] | |
2210 | xor esi, ebx | |
2211 | ; | |
2212 | ; Round 7 | |
2213 | mov eax, DWORD PTR 56[ebp] | |
2214 | xor ebx, ebx | |
2215 | mov edx, DWORD PTR 60[ebp] | |
2216 | xor eax, esi | |
2217 | xor edx, esi | |
2218 | and eax, 0fcfcfcfch | |
2219 | and edx, 0cfcfcfcfh | |
2220 | mov bl, al | |
2221 | mov cl, ah | |
2222 | ror edx, 4 | |
2223 | mov ebp, DWORD PTR _des_SPtrans[ebx] | |
2224 | mov bl, dl | |
2225 | xor edi, ebp | |
2226 | mov ebp, DWORD PTR _des_SPtrans[0200h+ecx] | |
2227 | xor edi, ebp | |
2228 | mov cl, dh | |
2229 | shr eax, 16 | |
2230 | mov ebp, DWORD PTR _des_SPtrans[0100h+ebx] | |
2231 | xor edi, ebp | |
2232 | mov bl, ah | |
2233 | shr edx, 16 | |
2234 | mov ebp, DWORD PTR _des_SPtrans[0300h+ecx] | |
2235 | xor edi, ebp | |
2236 | mov ebp, DWORD PTR 24[esp] | |
2237 | mov cl, dh | |
2238 | and eax, 0ffh | |
2239 | and edx, 0ffh | |
2240 | mov ebx, DWORD PTR _des_SPtrans[0600h+ebx] | |
2241 | xor edi, ebx | |
2242 | mov ebx, DWORD PTR _des_SPtrans[0700h+ecx] | |
2243 | xor edi, ebx | |
2244 | mov ebx, DWORD PTR _des_SPtrans[0400h+eax] | |
2245 | xor edi, ebx | |
2246 | mov ebx, DWORD PTR _des_SPtrans[0500h+edx] | |
2247 | xor edi, ebx | |
2248 | ; | |
2249 | ; Round 6 | |
2250 | mov eax, DWORD PTR 48[ebp] | |
2251 | xor ebx, ebx | |
2252 | mov edx, DWORD PTR 52[ebp] | |
2253 | xor eax, edi | |
2254 | xor edx, edi | |
2255 | and eax, 0fcfcfcfch | |
2256 | and edx, 0cfcfcfcfh | |
2257 | mov bl, al | |
2258 | mov cl, ah | |
2259 | ror edx, 4 | |
2260 | mov ebp, DWORD PTR _des_SPtrans[ebx] | |
2261 | mov bl, dl | |
2262 | xor esi, ebp | |
2263 | mov ebp, DWORD PTR _des_SPtrans[0200h+ecx] | |
2264 | xor esi, ebp | |
2265 | mov cl, dh | |
2266 | shr eax, 16 | |
2267 | mov ebp, DWORD PTR _des_SPtrans[0100h+ebx] | |
2268 | xor esi, ebp | |
2269 | mov bl, ah | |
2270 | shr edx, 16 | |
2271 | mov ebp, DWORD PTR _des_SPtrans[0300h+ecx] | |
2272 | xor esi, ebp | |
2273 | mov ebp, DWORD PTR 24[esp] | |
2274 | mov cl, dh | |
2275 | and eax, 0ffh | |
2276 | and edx, 0ffh | |
2277 | mov ebx, DWORD PTR _des_SPtrans[0600h+ebx] | |
2278 | xor esi, ebx | |
2279 | mov ebx, DWORD PTR _des_SPtrans[0700h+ecx] | |
2280 | xor esi, ebx | |
2281 | mov ebx, DWORD PTR _des_SPtrans[0400h+eax] | |
2282 | xor esi, ebx | |
2283 | mov ebx, DWORD PTR _des_SPtrans[0500h+edx] | |
2284 | xor esi, ebx | |
2285 | ; | |
2286 | ; Round 5 | |
2287 | mov eax, DWORD PTR 40[ebp] | |
2288 | xor ebx, ebx | |
2289 | mov edx, DWORD PTR 44[ebp] | |
2290 | xor eax, esi | |
2291 | xor edx, esi | |
2292 | and eax, 0fcfcfcfch | |
2293 | and edx, 0cfcfcfcfh | |
2294 | mov bl, al | |
2295 | mov cl, ah | |
2296 | ror edx, 4 | |
2297 | mov ebp, DWORD PTR _des_SPtrans[ebx] | |
2298 | mov bl, dl | |
2299 | xor edi, ebp | |
2300 | mov ebp, DWORD PTR _des_SPtrans[0200h+ecx] | |
2301 | xor edi, ebp | |
2302 | mov cl, dh | |
2303 | shr eax, 16 | |
2304 | mov ebp, DWORD PTR _des_SPtrans[0100h+ebx] | |
2305 | xor edi, ebp | |
2306 | mov bl, ah | |
2307 | shr edx, 16 | |
2308 | mov ebp, DWORD PTR _des_SPtrans[0300h+ecx] | |
2309 | xor edi, ebp | |
2310 | mov ebp, DWORD PTR 24[esp] | |
2311 | mov cl, dh | |
2312 | and eax, 0ffh | |
2313 | and edx, 0ffh | |
2314 | mov ebx, DWORD PTR _des_SPtrans[0600h+ebx] | |
2315 | xor edi, ebx | |
2316 | mov ebx, DWORD PTR _des_SPtrans[0700h+ecx] | |
2317 | xor edi, ebx | |
2318 | mov ebx, DWORD PTR _des_SPtrans[0400h+eax] | |
2319 | xor edi, ebx | |
2320 | mov ebx, DWORD PTR _des_SPtrans[0500h+edx] | |
2321 | xor edi, ebx | |
2322 | ; | |
2323 | ; Round 4 | |
2324 | mov eax, DWORD PTR 32[ebp] | |
2325 | xor ebx, ebx | |
2326 | mov edx, DWORD PTR 36[ebp] | |
2327 | xor eax, edi | |
2328 | xor edx, edi | |
2329 | and eax, 0fcfcfcfch | |
2330 | and edx, 0cfcfcfcfh | |
2331 | mov bl, al | |
2332 | mov cl, ah | |
2333 | ror edx, 4 | |
2334 | mov ebp, DWORD PTR _des_SPtrans[ebx] | |
2335 | mov bl, dl | |
2336 | xor esi, ebp | |
2337 | mov ebp, DWORD PTR _des_SPtrans[0200h+ecx] | |
2338 | xor esi, ebp | |
2339 | mov cl, dh | |
2340 | shr eax, 16 | |
2341 | mov ebp, DWORD PTR _des_SPtrans[0100h+ebx] | |
2342 | xor esi, ebp | |
2343 | mov bl, ah | |
2344 | shr edx, 16 | |
2345 | mov ebp, DWORD PTR _des_SPtrans[0300h+ecx] | |
2346 | xor esi, ebp | |
2347 | mov ebp, DWORD PTR 24[esp] | |
2348 | mov cl, dh | |
2349 | and eax, 0ffh | |
2350 | and edx, 0ffh | |
2351 | mov ebx, DWORD PTR _des_SPtrans[0600h+ebx] | |
2352 | xor esi, ebx | |
2353 | mov ebx, DWORD PTR _des_SPtrans[0700h+ecx] | |
2354 | xor esi, ebx | |
2355 | mov ebx, DWORD PTR _des_SPtrans[0400h+eax] | |
2356 | xor esi, ebx | |
2357 | mov ebx, DWORD PTR _des_SPtrans[0500h+edx] | |
2358 | xor esi, ebx | |
2359 | ; | |
2360 | ; Round 3 | |
2361 | mov eax, DWORD PTR 24[ebp] | |
2362 | xor ebx, ebx | |
2363 | mov edx, DWORD PTR 28[ebp] | |
2364 | xor eax, esi | |
2365 | xor edx, esi | |
2366 | and eax, 0fcfcfcfch | |
2367 | and edx, 0cfcfcfcfh | |
2368 | mov bl, al | |
2369 | mov cl, ah | |
2370 | ror edx, 4 | |
2371 | mov ebp, DWORD PTR _des_SPtrans[ebx] | |
2372 | mov bl, dl | |
2373 | xor edi, ebp | |
2374 | mov ebp, DWORD PTR _des_SPtrans[0200h+ecx] | |
2375 | xor edi, ebp | |
2376 | mov cl, dh | |
2377 | shr eax, 16 | |
2378 | mov ebp, DWORD PTR _des_SPtrans[0100h+ebx] | |
2379 | xor edi, ebp | |
2380 | mov bl, ah | |
2381 | shr edx, 16 | |
2382 | mov ebp, DWORD PTR _des_SPtrans[0300h+ecx] | |
2383 | xor edi, ebp | |
2384 | mov ebp, DWORD PTR 24[esp] | |
2385 | mov cl, dh | |
2386 | and eax, 0ffh | |
2387 | and edx, 0ffh | |
2388 | mov ebx, DWORD PTR _des_SPtrans[0600h+ebx] | |
2389 | xor edi, ebx | |
2390 | mov ebx, DWORD PTR _des_SPtrans[0700h+ecx] | |
2391 | xor edi, ebx | |
2392 | mov ebx, DWORD PTR _des_SPtrans[0400h+eax] | |
2393 | xor edi, ebx | |
2394 | mov ebx, DWORD PTR _des_SPtrans[0500h+edx] | |
2395 | xor edi, ebx | |
2396 | ; | |
2397 | ; Round 2 | |
2398 | mov eax, DWORD PTR 16[ebp] | |
2399 | xor ebx, ebx | |
2400 | mov edx, DWORD PTR 20[ebp] | |
2401 | xor eax, edi | |
2402 | xor edx, edi | |
2403 | and eax, 0fcfcfcfch | |
2404 | and edx, 0cfcfcfcfh | |
2405 | mov bl, al | |
2406 | mov cl, ah | |
2407 | ror edx, 4 | |
2408 | mov ebp, DWORD PTR _des_SPtrans[ebx] | |
2409 | mov bl, dl | |
2410 | xor esi, ebp | |
2411 | mov ebp, DWORD PTR _des_SPtrans[0200h+ecx] | |
2412 | xor esi, ebp | |
2413 | mov cl, dh | |
2414 | shr eax, 16 | |
2415 | mov ebp, DWORD PTR _des_SPtrans[0100h+ebx] | |
2416 | xor esi, ebp | |
2417 | mov bl, ah | |
2418 | shr edx, 16 | |
2419 | mov ebp, DWORD PTR _des_SPtrans[0300h+ecx] | |
2420 | xor esi, ebp | |
2421 | mov ebp, DWORD PTR 24[esp] | |
2422 | mov cl, dh | |
2423 | and eax, 0ffh | |
2424 | and edx, 0ffh | |
2425 | mov ebx, DWORD PTR _des_SPtrans[0600h+ebx] | |
2426 | xor esi, ebx | |
2427 | mov ebx, DWORD PTR _des_SPtrans[0700h+ecx] | |
2428 | xor esi, ebx | |
2429 | mov ebx, DWORD PTR _des_SPtrans[0400h+eax] | |
2430 | xor esi, ebx | |
2431 | mov ebx, DWORD PTR _des_SPtrans[0500h+edx] | |
2432 | xor esi, ebx | |
2433 | ; | |
2434 | ; Round 1 | |
2435 | mov eax, DWORD PTR 8[ebp] | |
2436 | xor ebx, ebx | |
2437 | mov edx, DWORD PTR 12[ebp] | |
2438 | xor eax, esi | |
2439 | xor edx, esi | |
2440 | and eax, 0fcfcfcfch | |
2441 | and edx, 0cfcfcfcfh | |
2442 | mov bl, al | |
2443 | mov cl, ah | |
2444 | ror edx, 4 | |
2445 | mov ebp, DWORD PTR _des_SPtrans[ebx] | |
2446 | mov bl, dl | |
2447 | xor edi, ebp | |
2448 | mov ebp, DWORD PTR _des_SPtrans[0200h+ecx] | |
2449 | xor edi, ebp | |
2450 | mov cl, dh | |
2451 | shr eax, 16 | |
2452 | mov ebp, DWORD PTR _des_SPtrans[0100h+ebx] | |
2453 | xor edi, ebp | |
2454 | mov bl, ah | |
2455 | shr edx, 16 | |
2456 | mov ebp, DWORD PTR _des_SPtrans[0300h+ecx] | |
2457 | xor edi, ebp | |
2458 | mov ebp, DWORD PTR 24[esp] | |
2459 | mov cl, dh | |
2460 | and eax, 0ffh | |
2461 | and edx, 0ffh | |
2462 | mov ebx, DWORD PTR _des_SPtrans[0600h+ebx] | |
2463 | xor edi, ebx | |
2464 | mov ebx, DWORD PTR _des_SPtrans[0700h+ecx] | |
2465 | xor edi, ebx | |
2466 | mov ebx, DWORD PTR _des_SPtrans[0400h+eax] | |
2467 | xor edi, ebx | |
2468 | mov ebx, DWORD PTR _des_SPtrans[0500h+edx] | |
2469 | xor edi, ebx | |
2470 | ; | |
2471 | ; Round 0 | |
2472 | mov eax, DWORD PTR [ebp] | |
2473 | xor ebx, ebx | |
2474 | mov edx, DWORD PTR 4[ebp] | |
2475 | xor eax, edi | |
2476 | xor edx, edi | |
2477 | and eax, 0fcfcfcfch | |
2478 | and edx, 0cfcfcfcfh | |
2479 | mov bl, al | |
2480 | mov cl, ah | |
2481 | ror edx, 4 | |
2482 | mov ebp, DWORD PTR _des_SPtrans[ebx] | |
2483 | mov bl, dl | |
2484 | xor esi, ebp | |
2485 | mov ebp, DWORD PTR _des_SPtrans[0200h+ecx] | |
2486 | xor esi, ebp | |
2487 | mov cl, dh | |
2488 | shr eax, 16 | |
2489 | mov ebp, DWORD PTR _des_SPtrans[0100h+ebx] | |
2490 | xor esi, ebp | |
2491 | mov bl, ah | |
2492 | shr edx, 16 | |
2493 | mov ebp, DWORD PTR _des_SPtrans[0300h+ecx] | |
2494 | xor esi, ebp | |
2495 | mov ebp, DWORD PTR 24[esp] | |
2496 | mov cl, dh | |
2497 | and eax, 0ffh | |
2498 | and edx, 0ffh | |
2499 | mov ebx, DWORD PTR _des_SPtrans[0600h+ebx] | |
2500 | xor esi, ebx | |
2501 | mov ebx, DWORD PTR _des_SPtrans[0700h+ecx] | |
2502 | xor esi, ebx | |
2503 | mov ebx, DWORD PTR _des_SPtrans[0400h+eax] | |
2504 | xor esi, ebx | |
2505 | mov ebx, DWORD PTR _des_SPtrans[0500h+edx] | |
2506 | xor esi, ebx | |
2507 | $L003end: | |
2508 | ; | |
2509 | ; Fixup | |
2510 | ror edi, 3 | |
2511 | mov eax, DWORD PTR 20[esp] | |
2512 | ror esi, 3 | |
2513 | mov DWORD PTR [eax],edi | |
2514 | mov DWORD PTR 4[eax],esi | |
58964a49 RE |
2515 | pop ebp |
2516 | pop ebx | |
d02b48c6 RE |
2517 | pop edi |
2518 | pop esi | |
d02b48c6 RE |
2519 | ret |
2520 | _des_encrypt2 ENDP | |
2521 | _TEXT ENDS | |
2522 | _TEXT SEGMENT | |
2523 | PUBLIC _des_encrypt3 | |
58964a49 | 2524 | |
d02b48c6 | 2525 | _des_encrypt3 PROC NEAR |
d02b48c6 | 2526 | push ebx |
58964a49 RE |
2527 | mov ebx, DWORD PTR 8[esp] |
2528 | push ebp | |
d02b48c6 RE |
2529 | push esi |
2530 | push edi | |
2531 | ; | |
2532 | ; Load the data words | |
d02b48c6 RE |
2533 | mov edi, DWORD PTR [ebx] |
2534 | mov esi, DWORD PTR 4[ebx] | |
58964a49 | 2535 | sub esp, 12 |
d02b48c6 RE |
2536 | ; |
2537 | ; IP | |
2538 | rol edi, 4 | |
2539 | mov edx, edi | |
2540 | xor edi, esi | |
2541 | and edi, 0f0f0f0f0h | |
2542 | xor edx, edi | |
2543 | xor esi, edi | |
2544 | ; | |
2545 | rol esi, 20 | |
2546 | mov edi, esi | |
2547 | xor esi, edx | |
2548 | and esi, 0fff0000fh | |
2549 | xor edi, esi | |
2550 | xor edx, esi | |
2551 | ; | |
2552 | rol edi, 14 | |
2553 | mov esi, edi | |
2554 | xor edi, edx | |
2555 | and edi, 033333333h | |
2556 | xor esi, edi | |
2557 | xor edx, edi | |
2558 | ; | |
2559 | rol edx, 22 | |
2560 | mov edi, edx | |
2561 | xor edx, esi | |
2562 | and edx, 003fc03fch | |
2563 | xor edi, edx | |
2564 | xor esi, edx | |
2565 | ; | |
2566 | rol edi, 9 | |
2567 | mov edx, edi | |
2568 | xor edi, esi | |
2569 | and edi, 0aaaaaaaah | |
2570 | xor edx, edi | |
2571 | xor esi, edi | |
2572 | ; | |
2573 | ror edx, 3 | |
2574 | ror esi, 2 | |
2575 | mov DWORD PTR 4[ebx],esi | |
58964a49 | 2576 | mov eax, DWORD PTR 36[esp] |
d02b48c6 | 2577 | mov DWORD PTR [ebx],edx |
58964a49 RE |
2578 | mov edi, DWORD PTR 40[esp] |
2579 | mov esi, DWORD PTR 44[esp] | |
2580 | mov DWORD PTR 8[esp],1 | |
2581 | mov DWORD PTR 4[esp],eax | |
2582 | mov DWORD PTR [esp],ebx | |
d02b48c6 | 2583 | call _des_encrypt2 |
58964a49 RE |
2584 | mov DWORD PTR 8[esp],0 |
2585 | mov DWORD PTR 4[esp],edi | |
2586 | mov DWORD PTR [esp],ebx | |
d02b48c6 | 2587 | call _des_encrypt2 |
58964a49 RE |
2588 | mov DWORD PTR 8[esp],1 |
2589 | mov DWORD PTR 4[esp],esi | |
2590 | mov DWORD PTR [esp],ebx | |
d02b48c6 | 2591 | call _des_encrypt2 |
58964a49 | 2592 | add esp, 12 |
d02b48c6 | 2593 | mov edi, DWORD PTR [ebx] |
d02b48c6 RE |
2594 | mov esi, DWORD PTR 4[ebx] |
2595 | ; | |
2596 | ; FP | |
2597 | rol esi, 2 | |
2598 | rol edi, 3 | |
2599 | mov eax, edi | |
2600 | xor edi, esi | |
2601 | and edi, 0aaaaaaaah | |
2602 | xor eax, edi | |
2603 | xor esi, edi | |
2604 | ; | |
2605 | rol eax, 23 | |
2606 | mov edi, eax | |
2607 | xor eax, esi | |
2608 | and eax, 003fc03fch | |
2609 | xor edi, eax | |
2610 | xor esi, eax | |
2611 | ; | |
2612 | rol edi, 10 | |
2613 | mov eax, edi | |
2614 | xor edi, esi | |
2615 | and edi, 033333333h | |
2616 | xor eax, edi | |
2617 | xor esi, edi | |
2618 | ; | |
2619 | rol esi, 18 | |
2620 | mov edi, esi | |
2621 | xor esi, eax | |
2622 | and esi, 0fff0000fh | |
2623 | xor edi, esi | |
2624 | xor eax, esi | |
2625 | ; | |
2626 | rol edi, 12 | |
2627 | mov esi, edi | |
2628 | xor edi, eax | |
2629 | and edi, 0f0f0f0f0h | |
2630 | xor esi, edi | |
2631 | xor eax, edi | |
2632 | ; | |
2633 | ror eax, 4 | |
2634 | mov DWORD PTR [ebx],eax | |
2635 | mov DWORD PTR 4[ebx],esi | |
2636 | pop edi | |
2637 | pop esi | |
d02b48c6 | 2638 | pop ebp |
58964a49 | 2639 | pop ebx |
d02b48c6 RE |
2640 | ret |
2641 | _des_encrypt3 ENDP | |
2642 | _TEXT ENDS | |
2643 | _TEXT SEGMENT | |
2644 | PUBLIC _des_decrypt3 | |
58964a49 | 2645 | |
d02b48c6 | 2646 | _des_decrypt3 PROC NEAR |
d02b48c6 | 2647 | push ebx |
58964a49 RE |
2648 | mov ebx, DWORD PTR 8[esp] |
2649 | push ebp | |
d02b48c6 RE |
2650 | push esi |
2651 | push edi | |
2652 | ; | |
2653 | ; Load the data words | |
d02b48c6 RE |
2654 | mov edi, DWORD PTR [ebx] |
2655 | mov esi, DWORD PTR 4[ebx] | |
58964a49 | 2656 | sub esp, 12 |
d02b48c6 RE |
2657 | ; |
2658 | ; IP | |
2659 | rol edi, 4 | |
2660 | mov edx, edi | |
2661 | xor edi, esi | |
2662 | and edi, 0f0f0f0f0h | |
2663 | xor edx, edi | |
2664 | xor esi, edi | |
2665 | ; | |
2666 | rol esi, 20 | |
2667 | mov edi, esi | |
2668 | xor esi, edx | |
2669 | and esi, 0fff0000fh | |
2670 | xor edi, esi | |
2671 | xor edx, esi | |
2672 | ; | |
2673 | rol edi, 14 | |
2674 | mov esi, edi | |
2675 | xor edi, edx | |
2676 | and edi, 033333333h | |
2677 | xor esi, edi | |
2678 | xor edx, edi | |
2679 | ; | |
2680 | rol edx, 22 | |
2681 | mov edi, edx | |
2682 | xor edx, esi | |
2683 | and edx, 003fc03fch | |
2684 | xor edi, edx | |
2685 | xor esi, edx | |
2686 | ; | |
2687 | rol edi, 9 | |
2688 | mov edx, edi | |
2689 | xor edi, esi | |
2690 | and edi, 0aaaaaaaah | |
2691 | xor edx, edi | |
2692 | xor esi, edi | |
2693 | ; | |
2694 | ror edx, 3 | |
2695 | ror esi, 2 | |
2696 | mov DWORD PTR 4[ebx],esi | |
58964a49 | 2697 | mov esi, DWORD PTR 36[esp] |
d02b48c6 | 2698 | mov DWORD PTR [ebx],edx |
58964a49 RE |
2699 | mov edi, DWORD PTR 40[esp] |
2700 | mov eax, DWORD PTR 44[esp] | |
2701 | mov DWORD PTR 8[esp],0 | |
2702 | mov DWORD PTR 4[esp],eax | |
2703 | mov DWORD PTR [esp],ebx | |
d02b48c6 | 2704 | call _des_encrypt2 |
58964a49 RE |
2705 | mov DWORD PTR 8[esp],1 |
2706 | mov DWORD PTR 4[esp],edi | |
2707 | mov DWORD PTR [esp],ebx | |
d02b48c6 | 2708 | call _des_encrypt2 |
58964a49 RE |
2709 | mov DWORD PTR 8[esp],0 |
2710 | mov DWORD PTR 4[esp],esi | |
2711 | mov DWORD PTR [esp],ebx | |
d02b48c6 | 2712 | call _des_encrypt2 |
58964a49 | 2713 | add esp, 12 |
d02b48c6 | 2714 | mov edi, DWORD PTR [ebx] |
d02b48c6 RE |
2715 | mov esi, DWORD PTR 4[ebx] |
2716 | ; | |
2717 | ; FP | |
2718 | rol esi, 2 | |
2719 | rol edi, 3 | |
2720 | mov eax, edi | |
2721 | xor edi, esi | |
2722 | and edi, 0aaaaaaaah | |
2723 | xor eax, edi | |
2724 | xor esi, edi | |
2725 | ; | |
2726 | rol eax, 23 | |
2727 | mov edi, eax | |
2728 | xor eax, esi | |
2729 | and eax, 003fc03fch | |
2730 | xor edi, eax | |
2731 | xor esi, eax | |
2732 | ; | |
2733 | rol edi, 10 | |
2734 | mov eax, edi | |
2735 | xor edi, esi | |
2736 | and edi, 033333333h | |
2737 | xor eax, edi | |
2738 | xor esi, edi | |
2739 | ; | |
2740 | rol esi, 18 | |
2741 | mov edi, esi | |
2742 | xor esi, eax | |
2743 | and esi, 0fff0000fh | |
2744 | xor edi, esi | |
2745 | xor eax, esi | |
2746 | ; | |
2747 | rol edi, 12 | |
2748 | mov esi, edi | |
2749 | xor edi, eax | |
2750 | and edi, 0f0f0f0f0h | |
2751 | xor esi, edi | |
2752 | xor eax, edi | |
2753 | ; | |
2754 | ror eax, 4 | |
2755 | mov DWORD PTR [ebx],eax | |
2756 | mov DWORD PTR 4[ebx],esi | |
2757 | pop edi | |
2758 | pop esi | |
d02b48c6 | 2759 | pop ebp |
58964a49 | 2760 | pop ebx |
d02b48c6 RE |
2761 | ret |
2762 | _des_decrypt3 ENDP | |
2763 | _TEXT ENDS | |
58964a49 RE |
2764 | _TEXT SEGMENT |
2765 | PUBLIC _des_ncbc_encrypt | |
2766 | ||
2767 | _des_ncbc_encrypt PROC NEAR | |
2768 | ; | |
2769 | push ebp | |
2770 | push ebx | |
2771 | push esi | |
2772 | push edi | |
2773 | mov ebp, DWORD PTR 28[esp] | |
2774 | ; getting iv ptr from parameter 4 | |
2775 | mov ebx, DWORD PTR 36[esp] | |
2776 | mov esi, DWORD PTR [ebx] | |
2777 | mov edi, DWORD PTR 4[ebx] | |
2778 | push edi | |
2779 | push esi | |
2780 | push edi | |
2781 | push esi | |
2782 | mov ebx, esp | |
2783 | mov esi, DWORD PTR 36[esp] | |
2784 | mov edi, DWORD PTR 40[esp] | |
2785 | ; getting encrypt flag from parameter 5 | |
2786 | mov ecx, DWORD PTR 56[esp] | |
2787 | ; get and push parameter 5 | |
2788 | push ecx | |
2789 | ; get and push parameter 3 | |
2790 | mov eax, DWORD PTR 52[esp] | |
2791 | push eax | |
2792 | push ebx | |
2793 | cmp ecx, 0 | |
2794 | jz $L004decrypt | |
2795 | and ebp, 4294967288 | |
2796 | mov eax, DWORD PTR 12[esp] | |
2797 | mov ebx, DWORD PTR 16[esp] | |
2798 | jz $L005encrypt_finish | |
2799 | L006encrypt_loop: | |
2800 | mov ecx, DWORD PTR [esi] | |
2801 | mov edx, DWORD PTR 4[esi] | |
2802 | xor eax, ecx | |
2803 | xor ebx, edx | |
2804 | mov DWORD PTR 12[esp],eax | |
2805 | mov DWORD PTR 16[esp],ebx | |
2806 | call _des_encrypt | |
2807 | mov eax, DWORD PTR 12[esp] | |
2808 | mov ebx, DWORD PTR 16[esp] | |
2809 | mov DWORD PTR [edi],eax | |
2810 | mov DWORD PTR 4[edi],ebx | |
2811 | add esi, 8 | |
2812 | add edi, 8 | |
2813 | sub ebp, 8 | |
2814 | jnz L006encrypt_loop | |
2815 | $L005encrypt_finish: | |
2816 | mov ebp, DWORD PTR 56[esp] | |
2817 | and ebp, 7 | |
2818 | jz $L007finish | |
2819 | xor ecx, ecx | |
2820 | xor edx, edx | |
2821 | mov ebp, DWORD PTR $L008cbc_enc_jmp_table[ebp*4] | |
2822 | jmp ebp | |
2823 | L009ej7: | |
2824 | mov dh, BYTE PTR 6[esi] | |
2825 | shl edx, 8 | |
2826 | L010ej6: | |
2827 | mov dh, BYTE PTR 5[esi] | |
2828 | L011ej5: | |
2829 | mov dl, BYTE PTR 4[esi] | |
2830 | L012ej4: | |
2831 | mov ecx, DWORD PTR [esi] | |
2832 | jmp $L013ejend | |
2833 | L014ej3: | |
2834 | mov ch, BYTE PTR 2[esi] | |
2835 | shl ecx, 8 | |
2836 | L015ej2: | |
2837 | mov ch, BYTE PTR 1[esi] | |
2838 | L016ej1: | |
2839 | mov cl, BYTE PTR [esi] | |
2840 | $L013ejend: | |
2841 | xor eax, ecx | |
2842 | xor ebx, edx | |
2843 | mov DWORD PTR 12[esp],eax | |
2844 | mov DWORD PTR 16[esp],ebx | |
2845 | call _des_encrypt | |
2846 | mov eax, DWORD PTR 12[esp] | |
2847 | mov ebx, DWORD PTR 16[esp] | |
2848 | mov DWORD PTR [edi],eax | |
2849 | mov DWORD PTR 4[edi],ebx | |
2850 | jmp $L007finish | |
2851 | $L004decrypt: | |
2852 | and ebp, 4294967288 | |
2853 | mov eax, DWORD PTR 20[esp] | |
2854 | mov ebx, DWORD PTR 24[esp] | |
2855 | jz $L017decrypt_finish | |
2856 | L018decrypt_loop: | |
2857 | mov eax, DWORD PTR [esi] | |
2858 | mov ebx, DWORD PTR 4[esi] | |
2859 | mov DWORD PTR 12[esp],eax | |
2860 | mov DWORD PTR 16[esp],ebx | |
2861 | call _des_encrypt | |
2862 | mov eax, DWORD PTR 12[esp] | |
2863 | mov ebx, DWORD PTR 16[esp] | |
2864 | mov ecx, DWORD PTR 20[esp] | |
2865 | mov edx, DWORD PTR 24[esp] | |
2866 | xor ecx, eax | |
2867 | xor edx, ebx | |
2868 | mov eax, DWORD PTR [esi] | |
2869 | mov ebx, DWORD PTR 4[esi] | |
2870 | mov DWORD PTR [edi],ecx | |
2871 | mov DWORD PTR 4[edi],edx | |
2872 | mov DWORD PTR 20[esp],eax | |
2873 | mov DWORD PTR 24[esp],ebx | |
2874 | add esi, 8 | |
2875 | add edi, 8 | |
2876 | sub ebp, 8 | |
2877 | jnz L018decrypt_loop | |
2878 | $L017decrypt_finish: | |
2879 | mov ebp, DWORD PTR 56[esp] | |
2880 | and ebp, 7 | |
2881 | jz $L007finish | |
2882 | mov eax, DWORD PTR [esi] | |
2883 | mov ebx, DWORD PTR 4[esi] | |
2884 | mov DWORD PTR 12[esp],eax | |
2885 | mov DWORD PTR 16[esp],ebx | |
2886 | call _des_encrypt | |
2887 | mov eax, DWORD PTR 12[esp] | |
2888 | mov ebx, DWORD PTR 16[esp] | |
2889 | mov ecx, DWORD PTR 20[esp] | |
2890 | mov edx, DWORD PTR 24[esp] | |
2891 | xor ecx, eax | |
2892 | xor edx, ebx | |
2893 | mov eax, DWORD PTR [esi] | |
2894 | mov ebx, DWORD PTR 4[esi] | |
2895 | L019dj7: | |
2896 | ror edx, 16 | |
2897 | mov BYTE PTR 6[edi],dl | |
2898 | shr edx, 16 | |
2899 | L020dj6: | |
2900 | mov BYTE PTR 5[edi],dh | |
2901 | L021dj5: | |
2902 | mov BYTE PTR 4[edi],dl | |
2903 | L022dj4: | |
2904 | mov DWORD PTR [edi],ecx | |
2905 | jmp $L023djend | |
2906 | L024dj3: | |
2907 | ror ecx, 16 | |
2908 | mov BYTE PTR 2[edi],cl | |
2909 | shl ecx, 16 | |
2910 | L025dj2: | |
2911 | mov BYTE PTR 1[esi],ch | |
2912 | L026dj1: | |
2913 | mov BYTE PTR [esi], cl | |
2914 | $L023djend: | |
2915 | jmp $L007finish | |
2916 | $L007finish: | |
2917 | mov ecx, DWORD PTR 64[esp] | |
2918 | add esp, 28 | |
2919 | mov DWORD PTR [ecx],eax | |
2920 | mov DWORD PTR 4[ecx],ebx | |
2921 | pop edi | |
2922 | pop esi | |
2923 | pop ebx | |
2924 | pop ebp | |
2925 | ret | |
2926 | $L008cbc_enc_jmp_table: | |
2927 | DD 0 | |
2928 | DD L016ej1 | |
2929 | DD L015ej2 | |
2930 | DD L014ej3 | |
2931 | DD L012ej4 | |
2932 | DD L011ej5 | |
2933 | DD L010ej6 | |
2934 | DD L009ej7 | |
2935 | L027cbc_dec_jmp_table: | |
2936 | DD 0 | |
2937 | DD L026dj1 | |
2938 | DD L025dj2 | |
2939 | DD L024dj3 | |
2940 | DD L022dj4 | |
2941 | DD L021dj5 | |
2942 | DD L020dj6 | |
2943 | DD L019dj7 | |
2944 | _des_ncbc_encrypt ENDP | |
2945 | _TEXT ENDS | |
2946 | _TEXT SEGMENT | |
2947 | PUBLIC _des_ede3_cbc_encrypt | |
2948 | ||
2949 | _des_ede3_cbc_encrypt PROC NEAR | |
2950 | ; | |
2951 | push ebp | |
2952 | push ebx | |
2953 | push esi | |
2954 | push edi | |
2955 | mov ebp, DWORD PTR 28[esp] | |
2956 | ; getting iv ptr from parameter 6 | |
2957 | mov ebx, DWORD PTR 44[esp] | |
2958 | mov esi, DWORD PTR [ebx] | |
2959 | mov edi, DWORD PTR 4[ebx] | |
2960 | push edi | |
2961 | push esi | |
2962 | push edi | |
2963 | push esi | |
2964 | mov ebx, esp | |
2965 | mov esi, DWORD PTR 36[esp] | |
2966 | mov edi, DWORD PTR 40[esp] | |
2967 | ; getting encrypt flag from parameter 7 | |
2968 | mov ecx, DWORD PTR 64[esp] | |
2969 | ; get and push parameter 5 | |
2970 | mov eax, DWORD PTR 56[esp] | |
2971 | push eax | |
2972 | ; get and push parameter 4 | |
2973 | mov eax, DWORD PTR 56[esp] | |
2974 | push eax | |
2975 | ; get and push parameter 3 | |
2976 | mov eax, DWORD PTR 56[esp] | |
2977 | push eax | |
2978 | push ebx | |
2979 | cmp ecx, 0 | |
2980 | jz $L028decrypt | |
2981 | and ebp, 4294967288 | |
2982 | mov eax, DWORD PTR 16[esp] | |
2983 | mov ebx, DWORD PTR 20[esp] | |
2984 | jz $L029encrypt_finish | |
2985 | L030encrypt_loop: | |
2986 | mov ecx, DWORD PTR [esi] | |
2987 | mov edx, DWORD PTR 4[esi] | |
2988 | xor eax, ecx | |
2989 | xor ebx, edx | |
2990 | mov DWORD PTR 16[esp],eax | |
2991 | mov DWORD PTR 20[esp],ebx | |
2992 | call _des_encrypt3 | |
2993 | mov eax, DWORD PTR 16[esp] | |
2994 | mov ebx, DWORD PTR 20[esp] | |
2995 | mov DWORD PTR [edi],eax | |
2996 | mov DWORD PTR 4[edi],ebx | |
2997 | add esi, 8 | |
2998 | add edi, 8 | |
2999 | sub ebp, 8 | |
3000 | jnz L030encrypt_loop | |
3001 | $L029encrypt_finish: | |
3002 | mov ebp, DWORD PTR 60[esp] | |
3003 | and ebp, 7 | |
3004 | jz $L031finish | |
3005 | xor ecx, ecx | |
3006 | xor edx, edx | |
3007 | mov ebp, DWORD PTR $L032cbc_enc_jmp_table[ebp*4] | |
3008 | jmp ebp | |
3009 | L033ej7: | |
3010 | mov dh, BYTE PTR 6[esi] | |
3011 | shl edx, 8 | |
3012 | L034ej6: | |
3013 | mov dh, BYTE PTR 5[esi] | |
3014 | L035ej5: | |
3015 | mov dl, BYTE PTR 4[esi] | |
3016 | L036ej4: | |
3017 | mov ecx, DWORD PTR [esi] | |
3018 | jmp $L037ejend | |
3019 | L038ej3: | |
3020 | mov ch, BYTE PTR 2[esi] | |
3021 | shl ecx, 8 | |
3022 | L039ej2: | |
3023 | mov ch, BYTE PTR 1[esi] | |
3024 | L040ej1: | |
3025 | mov cl, BYTE PTR [esi] | |
3026 | $L037ejend: | |
3027 | xor eax, ecx | |
3028 | xor ebx, edx | |
3029 | mov DWORD PTR 16[esp],eax | |
3030 | mov DWORD PTR 20[esp],ebx | |
3031 | call _des_encrypt3 | |
3032 | mov eax, DWORD PTR 16[esp] | |
3033 | mov ebx, DWORD PTR 20[esp] | |
3034 | mov DWORD PTR [edi],eax | |
3035 | mov DWORD PTR 4[edi],ebx | |
3036 | jmp $L031finish | |
3037 | $L028decrypt: | |
3038 | and ebp, 4294967288 | |
3039 | mov eax, DWORD PTR 24[esp] | |
3040 | mov ebx, DWORD PTR 28[esp] | |
3041 | jz $L041decrypt_finish | |
3042 | L042decrypt_loop: | |
3043 | mov eax, DWORD PTR [esi] | |
3044 | mov ebx, DWORD PTR 4[esi] | |
3045 | mov DWORD PTR 16[esp],eax | |
3046 | mov DWORD PTR 20[esp],ebx | |
3047 | call _des_decrypt3 | |
3048 | mov eax, DWORD PTR 16[esp] | |
3049 | mov ebx, DWORD PTR 20[esp] | |
3050 | mov ecx, DWORD PTR 24[esp] | |
3051 | mov edx, DWORD PTR 28[esp] | |
3052 | xor ecx, eax | |
3053 | xor edx, ebx | |
3054 | mov eax, DWORD PTR [esi] | |
3055 | mov ebx, DWORD PTR 4[esi] | |
3056 | mov DWORD PTR [edi],ecx | |
3057 | mov DWORD PTR 4[edi],edx | |
3058 | mov DWORD PTR 24[esp],eax | |
3059 | mov DWORD PTR 28[esp],ebx | |
3060 | add esi, 8 | |
3061 | add edi, 8 | |
3062 | sub ebp, 8 | |
3063 | jnz L042decrypt_loop | |
3064 | $L041decrypt_finish: | |
3065 | mov ebp, DWORD PTR 60[esp] | |
3066 | and ebp, 7 | |
3067 | jz $L031finish | |
3068 | mov eax, DWORD PTR [esi] | |
3069 | mov ebx, DWORD PTR 4[esi] | |
3070 | mov DWORD PTR 16[esp],eax | |
3071 | mov DWORD PTR 20[esp],ebx | |
3072 | call _des_decrypt3 | |
3073 | mov eax, DWORD PTR 16[esp] | |
3074 | mov ebx, DWORD PTR 20[esp] | |
3075 | mov ecx, DWORD PTR 24[esp] | |
3076 | mov edx, DWORD PTR 28[esp] | |
3077 | xor ecx, eax | |
3078 | xor edx, ebx | |
3079 | mov eax, DWORD PTR [esi] | |
3080 | mov ebx, DWORD PTR 4[esi] | |
3081 | L043dj7: | |
3082 | ror edx, 16 | |
3083 | mov BYTE PTR 6[edi],dl | |
3084 | shr edx, 16 | |
3085 | L044dj6: | |
3086 | mov BYTE PTR 5[edi],dh | |
3087 | L045dj5: | |
3088 | mov BYTE PTR 4[edi],dl | |
3089 | L046dj4: | |
3090 | mov DWORD PTR [edi],ecx | |
3091 | jmp $L047djend | |
3092 | L048dj3: | |
3093 | ror ecx, 16 | |
3094 | mov BYTE PTR 2[edi],cl | |
3095 | shl ecx, 16 | |
3096 | L049dj2: | |
3097 | mov BYTE PTR 1[esi],ch | |
3098 | L050dj1: | |
3099 | mov BYTE PTR [esi], cl | |
3100 | $L047djend: | |
3101 | jmp $L031finish | |
3102 | $L031finish: | |
3103 | mov ecx, DWORD PTR 76[esp] | |
3104 | add esp, 32 | |
3105 | mov DWORD PTR [ecx],eax | |
3106 | mov DWORD PTR 4[ecx],ebx | |
3107 | pop edi | |
3108 | pop esi | |
3109 | pop ebx | |
3110 | pop ebp | |
3111 | ret | |
3112 | $L032cbc_enc_jmp_table: | |
3113 | DD 0 | |
3114 | DD L040ej1 | |
3115 | DD L039ej2 | |
3116 | DD L038ej3 | |
3117 | DD L036ej4 | |
3118 | DD L035ej5 | |
3119 | DD L034ej6 | |
3120 | DD L033ej7 | |
3121 | L051cbc_dec_jmp_table: | |
3122 | DD 0 | |
3123 | DD L050dj1 | |
3124 | DD L049dj2 | |
3125 | DD L048dj3 | |
3126 | DD L046dj4 | |
3127 | DD L045dj5 | |
3128 | DD L044dj6 | |
3129 | DD L043dj7 | |
3130 | _des_ede3_cbc_encrypt ENDP | |
3131 | _TEXT ENDS | |
d02b48c6 | 3132 | END |