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Diffstat (limited to 'src/lib/libcrypto/cast/asm/c-win32.asm')
-rw-r--r--src/lib/libcrypto/cast/asm/c-win32.asm940
1 files changed, 940 insertions, 0 deletions
diff --git a/src/lib/libcrypto/cast/asm/c-win32.asm b/src/lib/libcrypto/cast/asm/c-win32.asm
new file mode 100644
index 0000000000..a1d8a2671a
--- /dev/null
+++ b/src/lib/libcrypto/cast/asm/c-win32.asm
@@ -0,0 +1,940 @@
1 ; Don't even think of reading this code
2 ; It was automatically generated by cast-586.pl
3 ; Which is a perl program used to generate the x86 assember for
4 ; any of elf, a.out, BSDI,Win32, or Solaris
5 ; eric <eay@cryptsoft.com>
6 ;
7 TITLE cast-586.asm
8 .486
9.model FLAT
10_TEXT SEGMENT
11PUBLIC _CAST_encrypt
12EXTERN _CAST_S_table0:DWORD
13EXTERN _CAST_S_table1:DWORD
14EXTERN _CAST_S_table2:DWORD
15EXTERN _CAST_S_table3:DWORD
16
17_CAST_encrypt PROC NEAR
18 ;
19 push ebp
20 push ebx
21 mov ebx, DWORD PTR 12[esp]
22 mov ebp, DWORD PTR 16[esp]
23 push esi
24 push edi
25 ; Load the 2 words
26 mov edi, DWORD PTR [ebx]
27 mov esi, DWORD PTR 4[ebx]
28 xor eax, eax
29 ; round 0
30 mov edx, DWORD PTR [ebp]
31 mov ecx, DWORD PTR 4[ebp]
32 add edx, esi
33 rol edx, cl
34 mov ebx, edx
35 xor ecx, ecx
36 mov cl, dh
37 and ebx, 255
38 shr edx, 16
39 xor eax, eax
40 mov al, dh
41 and edx, 255
42 mov ecx, DWORD PTR _CAST_S_table0[ecx*4]
43 mov ebx, DWORD PTR _CAST_S_table1[ebx*4]
44 xor ecx, ebx
45 mov ebx, DWORD PTR _CAST_S_table2[eax*4]
46 sub ecx, ebx
47 mov ebx, DWORD PTR _CAST_S_table3[edx*4]
48 add ecx, ebx
49 xor edi, ecx
50 ; round 1
51 mov edx, DWORD PTR 8[ebp]
52 mov ecx, DWORD PTR 12[ebp]
53 xor edx, edi
54 rol edx, cl
55 mov ebx, edx
56 xor ecx, ecx
57 mov cl, dh
58 and ebx, 255
59 shr edx, 16
60 xor eax, eax
61 mov al, dh
62 and edx, 255
63 mov ecx, DWORD PTR _CAST_S_table0[ecx*4]
64 mov ebx, DWORD PTR _CAST_S_table1[ebx*4]
65 sub ecx, ebx
66 mov ebx, DWORD PTR _CAST_S_table2[eax*4]
67 add ecx, ebx
68 mov ebx, DWORD PTR _CAST_S_table3[edx*4]
69 xor ecx, ebx
70 xor esi, ecx
71 ; round 2
72 mov edx, DWORD PTR 16[ebp]
73 mov ecx, DWORD PTR 20[ebp]
74 sub edx, esi
75 rol edx, cl
76 mov ebx, edx
77 xor ecx, ecx
78 mov cl, dh
79 and ebx, 255
80 shr edx, 16
81 xor eax, eax
82 mov al, dh
83 and edx, 255
84 mov ecx, DWORD PTR _CAST_S_table0[ecx*4]
85 mov ebx, DWORD PTR _CAST_S_table1[ebx*4]
86 add ecx, ebx
87 mov ebx, DWORD PTR _CAST_S_table2[eax*4]
88 xor ecx, ebx
89 mov ebx, DWORD PTR _CAST_S_table3[edx*4]
90 sub ecx, ebx
91 xor edi, ecx
92 ; round 3
93 mov edx, DWORD PTR 24[ebp]
94 mov ecx, DWORD PTR 28[ebp]
95 add edx, edi
96 rol edx, cl
97 mov ebx, edx
98 xor ecx, ecx
99 mov cl, dh
100 and ebx, 255
101 shr edx, 16
102 xor eax, eax
103 mov al, dh
104 and edx, 255
105 mov ecx, DWORD PTR _CAST_S_table0[ecx*4]
106 mov ebx, DWORD PTR _CAST_S_table1[ebx*4]
107 xor ecx, ebx
108 mov ebx, DWORD PTR _CAST_S_table2[eax*4]
109 sub ecx, ebx
110 mov ebx, DWORD PTR _CAST_S_table3[edx*4]
111 add ecx, ebx
112 xor esi, ecx
113 ; round 4
114 mov edx, DWORD PTR 32[ebp]
115 mov ecx, DWORD PTR 36[ebp]
116 xor edx, esi
117 rol edx, cl
118 mov ebx, edx
119 xor ecx, ecx
120 mov cl, dh
121 and ebx, 255
122 shr edx, 16
123 xor eax, eax
124 mov al, dh
125 and edx, 255
126 mov ecx, DWORD PTR _CAST_S_table0[ecx*4]
127 mov ebx, DWORD PTR _CAST_S_table1[ebx*4]
128 sub ecx, ebx
129 mov ebx, DWORD PTR _CAST_S_table2[eax*4]
130 add ecx, ebx
131 mov ebx, DWORD PTR _CAST_S_table3[edx*4]
132 xor ecx, ebx
133 xor edi, ecx
134 ; round 5
135 mov edx, DWORD PTR 40[ebp]
136 mov ecx, DWORD PTR 44[ebp]
137 sub edx, edi
138 rol edx, cl
139 mov ebx, edx
140 xor ecx, ecx
141 mov cl, dh
142 and ebx, 255
143 shr edx, 16
144 xor eax, eax
145 mov al, dh
146 and edx, 255
147 mov ecx, DWORD PTR _CAST_S_table0[ecx*4]
148 mov ebx, DWORD PTR _CAST_S_table1[ebx*4]
149 add ecx, ebx
150 mov ebx, DWORD PTR _CAST_S_table2[eax*4]
151 xor ecx, ebx
152 mov ebx, DWORD PTR _CAST_S_table3[edx*4]
153 sub ecx, ebx
154 xor esi, ecx
155 ; round 6
156 mov edx, DWORD PTR 48[ebp]
157 mov ecx, DWORD PTR 52[ebp]
158 add edx, esi
159 rol edx, cl
160 mov ebx, edx
161 xor ecx, ecx
162 mov cl, dh
163 and ebx, 255
164 shr edx, 16
165 xor eax, eax
166 mov al, dh
167 and edx, 255
168 mov ecx, DWORD PTR _CAST_S_table0[ecx*4]
169 mov ebx, DWORD PTR _CAST_S_table1[ebx*4]
170 xor ecx, ebx
171 mov ebx, DWORD PTR _CAST_S_table2[eax*4]
172 sub ecx, ebx
173 mov ebx, DWORD PTR _CAST_S_table3[edx*4]
174 add ecx, ebx
175 xor edi, ecx
176 ; round 7
177 mov edx, DWORD PTR 56[ebp]
178 mov ecx, DWORD PTR 60[ebp]
179 xor edx, edi
180 rol edx, cl
181 mov ebx, edx
182 xor ecx, ecx
183 mov cl, dh
184 and ebx, 255
185 shr edx, 16
186 xor eax, eax
187 mov al, dh
188 and edx, 255
189 mov ecx, DWORD PTR _CAST_S_table0[ecx*4]
190 mov ebx, DWORD PTR _CAST_S_table1[ebx*4]
191 sub ecx, ebx
192 mov ebx, DWORD PTR _CAST_S_table2[eax*4]
193 add ecx, ebx
194 mov ebx, DWORD PTR _CAST_S_table3[edx*4]
195 xor ecx, ebx
196 xor esi, ecx
197 ; round 8
198 mov edx, DWORD PTR 64[ebp]
199 mov ecx, DWORD PTR 68[ebp]
200 sub edx, esi
201 rol edx, cl
202 mov ebx, edx
203 xor ecx, ecx
204 mov cl, dh
205 and ebx, 255
206 shr edx, 16
207 xor eax, eax
208 mov al, dh
209 and edx, 255
210 mov ecx, DWORD PTR _CAST_S_table0[ecx*4]
211 mov ebx, DWORD PTR _CAST_S_table1[ebx*4]
212 add ecx, ebx
213 mov ebx, DWORD PTR _CAST_S_table2[eax*4]
214 xor ecx, ebx
215 mov ebx, DWORD PTR _CAST_S_table3[edx*4]
216 sub ecx, ebx
217 xor edi, ecx
218 ; round 9
219 mov edx, DWORD PTR 72[ebp]
220 mov ecx, DWORD PTR 76[ebp]
221 add edx, edi
222 rol edx, cl
223 mov ebx, edx
224 xor ecx, ecx
225 mov cl, dh
226 and ebx, 255
227 shr edx, 16
228 xor eax, eax
229 mov al, dh
230 and edx, 255
231 mov ecx, DWORD PTR _CAST_S_table0[ecx*4]
232 mov ebx, DWORD PTR _CAST_S_table1[ebx*4]
233 xor ecx, ebx
234 mov ebx, DWORD PTR _CAST_S_table2[eax*4]
235 sub ecx, ebx
236 mov ebx, DWORD PTR _CAST_S_table3[edx*4]
237 add ecx, ebx
238 xor esi, ecx
239 ; round 10
240 mov edx, DWORD PTR 80[ebp]
241 mov ecx, DWORD PTR 84[ebp]
242 xor edx, esi
243 rol edx, cl
244 mov ebx, edx
245 xor ecx, ecx
246 mov cl, dh
247 and ebx, 255
248 shr edx, 16
249 xor eax, eax
250 mov al, dh
251 and edx, 255
252 mov ecx, DWORD PTR _CAST_S_table0[ecx*4]
253 mov ebx, DWORD PTR _CAST_S_table1[ebx*4]
254 sub ecx, ebx
255 mov ebx, DWORD PTR _CAST_S_table2[eax*4]
256 add ecx, ebx
257 mov ebx, DWORD PTR _CAST_S_table3[edx*4]
258 xor ecx, ebx
259 xor edi, ecx
260 ; round 11
261 mov edx, DWORD PTR 88[ebp]
262 mov ecx, DWORD PTR 92[ebp]
263 sub edx, edi
264 rol edx, cl
265 mov ebx, edx
266 xor ecx, ecx
267 mov cl, dh
268 and ebx, 255
269 shr edx, 16
270 xor eax, eax
271 mov al, dh
272 and edx, 255
273 mov ecx, DWORD PTR _CAST_S_table0[ecx*4]
274 mov ebx, DWORD PTR _CAST_S_table1[ebx*4]
275 add ecx, ebx
276 mov ebx, DWORD PTR _CAST_S_table2[eax*4]
277 xor ecx, ebx
278 mov ebx, DWORD PTR _CAST_S_table3[edx*4]
279 sub ecx, ebx
280 xor esi, ecx
281 ; round 12
282 mov edx, DWORD PTR 96[ebp]
283 mov ecx, DWORD PTR 100[ebp]
284 add edx, esi
285 rol edx, cl
286 mov ebx, edx
287 xor ecx, ecx
288 mov cl, dh
289 and ebx, 255
290 shr edx, 16
291 xor eax, eax
292 mov al, dh
293 and edx, 255
294 mov ecx, DWORD PTR _CAST_S_table0[ecx*4]
295 mov ebx, DWORD PTR _CAST_S_table1[ebx*4]
296 xor ecx, ebx
297 mov ebx, DWORD PTR _CAST_S_table2[eax*4]
298 sub ecx, ebx
299 mov ebx, DWORD PTR _CAST_S_table3[edx*4]
300 add ecx, ebx
301 xor edi, ecx
302 ; round 13
303 mov edx, DWORD PTR 104[ebp]
304 mov ecx, DWORD PTR 108[ebp]
305 xor edx, edi
306 rol edx, cl
307 mov ebx, edx
308 xor ecx, ecx
309 mov cl, dh
310 and ebx, 255
311 shr edx, 16
312 xor eax, eax
313 mov al, dh
314 and edx, 255
315 mov ecx, DWORD PTR _CAST_S_table0[ecx*4]
316 mov ebx, DWORD PTR _CAST_S_table1[ebx*4]
317 sub ecx, ebx
318 mov ebx, DWORD PTR _CAST_S_table2[eax*4]
319 add ecx, ebx
320 mov ebx, DWORD PTR _CAST_S_table3[edx*4]
321 xor ecx, ebx
322 xor esi, ecx
323 ; round 14
324 mov edx, DWORD PTR 112[ebp]
325 mov ecx, DWORD PTR 116[ebp]
326 sub edx, esi
327 rol edx, cl
328 mov ebx, edx
329 xor ecx, ecx
330 mov cl, dh
331 and ebx, 255
332 shr edx, 16
333 xor eax, eax
334 mov al, dh
335 and edx, 255
336 mov ecx, DWORD PTR _CAST_S_table0[ecx*4]
337 mov ebx, DWORD PTR _CAST_S_table1[ebx*4]
338 add ecx, ebx
339 mov ebx, DWORD PTR _CAST_S_table2[eax*4]
340 xor ecx, ebx
341 mov ebx, DWORD PTR _CAST_S_table3[edx*4]
342 sub ecx, ebx
343 xor edi, ecx
344 ; round 15
345 mov edx, DWORD PTR 120[ebp]
346 mov ecx, DWORD PTR 124[ebp]
347 add edx, edi
348 rol edx, cl
349 mov ebx, edx
350 xor ecx, ecx
351 mov cl, dh
352 and ebx, 255
353 shr edx, 16
354 xor eax, eax
355 mov al, dh
356 and edx, 255
357 mov ecx, DWORD PTR _CAST_S_table0[ecx*4]
358 mov ebx, DWORD PTR _CAST_S_table1[ebx*4]
359 xor ecx, ebx
360 mov ebx, DWORD PTR _CAST_S_table2[eax*4]
361 sub ecx, ebx
362 mov ebx, DWORD PTR _CAST_S_table3[edx*4]
363 add ecx, ebx
364 mov eax, DWORD PTR 20[esp]
365 xor esi, ecx
366 nop
367 mov DWORD PTR 4[eax],edi
368 mov DWORD PTR [eax],esi
369 pop edi
370 pop esi
371 pop ebx
372 pop ebp
373 ret
374_CAST_encrypt ENDP
375_TEXT ENDS
376_TEXT SEGMENT
377PUBLIC _CAST_decrypt
378EXTERN _CAST_S_table0:DWORD
379EXTERN _CAST_S_table1:DWORD
380EXTERN _CAST_S_table2:DWORD
381EXTERN _CAST_S_table3:DWORD
382
383_CAST_decrypt PROC NEAR
384 ;
385 push ebp
386 push ebx
387 mov ebx, DWORD PTR 12[esp]
388 mov ebp, DWORD PTR 16[esp]
389 push esi
390 push edi
391 ; Load the 2 words
392 mov edi, DWORD PTR [ebx]
393 mov esi, DWORD PTR 4[ebx]
394 xor eax, eax
395 ; round 15
396 mov edx, DWORD PTR 120[ebp]
397 mov ecx, DWORD PTR 124[ebp]
398 add edx, esi
399 rol edx, cl
400 mov ebx, edx
401 xor ecx, ecx
402 mov cl, dh
403 and ebx, 255
404 shr edx, 16
405 xor eax, eax
406 mov al, dh
407 and edx, 255
408 mov ecx, DWORD PTR _CAST_S_table0[ecx*4]
409 mov ebx, DWORD PTR _CAST_S_table1[ebx*4]
410 xor ecx, ebx
411 mov ebx, DWORD PTR _CAST_S_table2[eax*4]
412 sub ecx, ebx
413 mov ebx, DWORD PTR _CAST_S_table3[edx*4]
414 add ecx, ebx
415 xor edi, ecx
416 ; round 14
417 mov edx, DWORD PTR 112[ebp]
418 mov ecx, DWORD PTR 116[ebp]
419 sub edx, edi
420 rol edx, cl
421 mov ebx, edx
422 xor ecx, ecx
423 mov cl, dh
424 and ebx, 255
425 shr edx, 16
426 xor eax, eax
427 mov al, dh
428 and edx, 255
429 mov ecx, DWORD PTR _CAST_S_table0[ecx*4]
430 mov ebx, DWORD PTR _CAST_S_table1[ebx*4]
431 add ecx, ebx
432 mov ebx, DWORD PTR _CAST_S_table2[eax*4]
433 xor ecx, ebx
434 mov ebx, DWORD PTR _CAST_S_table3[edx*4]
435 sub ecx, ebx
436 xor esi, ecx
437 ; round 13
438 mov edx, DWORD PTR 104[ebp]
439 mov ecx, DWORD PTR 108[ebp]
440 xor edx, esi
441 rol edx, cl
442 mov ebx, edx
443 xor ecx, ecx
444 mov cl, dh
445 and ebx, 255
446 shr edx, 16
447 xor eax, eax
448 mov al, dh
449 and edx, 255
450 mov ecx, DWORD PTR _CAST_S_table0[ecx*4]
451 mov ebx, DWORD PTR _CAST_S_table1[ebx*4]
452 sub ecx, ebx
453 mov ebx, DWORD PTR _CAST_S_table2[eax*4]
454 add ecx, ebx
455 mov ebx, DWORD PTR _CAST_S_table3[edx*4]
456 xor ecx, ebx
457 xor edi, ecx
458 ; round 12
459 mov edx, DWORD PTR 96[ebp]
460 mov ecx, DWORD PTR 100[ebp]
461 add edx, edi
462 rol edx, cl
463 mov ebx, edx
464 xor ecx, ecx
465 mov cl, dh
466 and ebx, 255
467 shr edx, 16
468 xor eax, eax
469 mov al, dh
470 and edx, 255
471 mov ecx, DWORD PTR _CAST_S_table0[ecx*4]
472 mov ebx, DWORD PTR _CAST_S_table1[ebx*4]
473 xor ecx, ebx
474 mov ebx, DWORD PTR _CAST_S_table2[eax*4]
475 sub ecx, ebx
476 mov ebx, DWORD PTR _CAST_S_table3[edx*4]
477 add ecx, ebx
478 xor esi, ecx
479 ; round 11
480 mov edx, DWORD PTR 88[ebp]
481 mov ecx, DWORD PTR 92[ebp]
482 sub edx, esi
483 rol edx, cl
484 mov ebx, edx
485 xor ecx, ecx
486 mov cl, dh
487 and ebx, 255
488 shr edx, 16
489 xor eax, eax
490 mov al, dh
491 and edx, 255
492 mov ecx, DWORD PTR _CAST_S_table0[ecx*4]
493 mov ebx, DWORD PTR _CAST_S_table1[ebx*4]
494 add ecx, ebx
495 mov ebx, DWORD PTR _CAST_S_table2[eax*4]
496 xor ecx, ebx
497 mov ebx, DWORD PTR _CAST_S_table3[edx*4]
498 sub ecx, ebx
499 xor edi, ecx
500 ; round 10
501 mov edx, DWORD PTR 80[ebp]
502 mov ecx, DWORD PTR 84[ebp]
503 xor edx, edi
504 rol edx, cl
505 mov ebx, edx
506 xor ecx, ecx
507 mov cl, dh
508 and ebx, 255
509 shr edx, 16
510 xor eax, eax
511 mov al, dh
512 and edx, 255
513 mov ecx, DWORD PTR _CAST_S_table0[ecx*4]
514 mov ebx, DWORD PTR _CAST_S_table1[ebx*4]
515 sub ecx, ebx
516 mov ebx, DWORD PTR _CAST_S_table2[eax*4]
517 add ecx, ebx
518 mov ebx, DWORD PTR _CAST_S_table3[edx*4]
519 xor ecx, ebx
520 xor esi, ecx
521 ; round 9
522 mov edx, DWORD PTR 72[ebp]
523 mov ecx, DWORD PTR 76[ebp]
524 add edx, esi
525 rol edx, cl
526 mov ebx, edx
527 xor ecx, ecx
528 mov cl, dh
529 and ebx, 255
530 shr edx, 16
531 xor eax, eax
532 mov al, dh
533 and edx, 255
534 mov ecx, DWORD PTR _CAST_S_table0[ecx*4]
535 mov ebx, DWORD PTR _CAST_S_table1[ebx*4]
536 xor ecx, ebx
537 mov ebx, DWORD PTR _CAST_S_table2[eax*4]
538 sub ecx, ebx
539 mov ebx, DWORD PTR _CAST_S_table3[edx*4]
540 add ecx, ebx
541 xor edi, ecx
542 ; round 8
543 mov edx, DWORD PTR 64[ebp]
544 mov ecx, DWORD PTR 68[ebp]
545 sub edx, edi
546 rol edx, cl
547 mov ebx, edx
548 xor ecx, ecx
549 mov cl, dh
550 and ebx, 255
551 shr edx, 16
552 xor eax, eax
553 mov al, dh
554 and edx, 255
555 mov ecx, DWORD PTR _CAST_S_table0[ecx*4]
556 mov ebx, DWORD PTR _CAST_S_table1[ebx*4]
557 add ecx, ebx
558 mov ebx, DWORD PTR _CAST_S_table2[eax*4]
559 xor ecx, ebx
560 mov ebx, DWORD PTR _CAST_S_table3[edx*4]
561 sub ecx, ebx
562 xor esi, ecx
563 ; round 7
564 mov edx, DWORD PTR 56[ebp]
565 mov ecx, DWORD PTR 60[ebp]
566 xor edx, esi
567 rol edx, cl
568 mov ebx, edx
569 xor ecx, ecx
570 mov cl, dh
571 and ebx, 255
572 shr edx, 16
573 xor eax, eax
574 mov al, dh
575 and edx, 255
576 mov ecx, DWORD PTR _CAST_S_table0[ecx*4]
577 mov ebx, DWORD PTR _CAST_S_table1[ebx*4]
578 sub ecx, ebx
579 mov ebx, DWORD PTR _CAST_S_table2[eax*4]
580 add ecx, ebx
581 mov ebx, DWORD PTR _CAST_S_table3[edx*4]
582 xor ecx, ebx
583 xor edi, ecx
584 ; round 6
585 mov edx, DWORD PTR 48[ebp]
586 mov ecx, DWORD PTR 52[ebp]
587 add edx, edi
588 rol edx, cl
589 mov ebx, edx
590 xor ecx, ecx
591 mov cl, dh
592 and ebx, 255
593 shr edx, 16
594 xor eax, eax
595 mov al, dh
596 and edx, 255
597 mov ecx, DWORD PTR _CAST_S_table0[ecx*4]
598 mov ebx, DWORD PTR _CAST_S_table1[ebx*4]
599 xor ecx, ebx
600 mov ebx, DWORD PTR _CAST_S_table2[eax*4]
601 sub ecx, ebx
602 mov ebx, DWORD PTR _CAST_S_table3[edx*4]
603 add ecx, ebx
604 xor esi, ecx
605 ; round 5
606 mov edx, DWORD PTR 40[ebp]
607 mov ecx, DWORD PTR 44[ebp]
608 sub edx, esi
609 rol edx, cl
610 mov ebx, edx
611 xor ecx, ecx
612 mov cl, dh
613 and ebx, 255
614 shr edx, 16
615 xor eax, eax
616 mov al, dh
617 and edx, 255
618 mov ecx, DWORD PTR _CAST_S_table0[ecx*4]
619 mov ebx, DWORD PTR _CAST_S_table1[ebx*4]
620 add ecx, ebx
621 mov ebx, DWORD PTR _CAST_S_table2[eax*4]
622 xor ecx, ebx
623 mov ebx, DWORD PTR _CAST_S_table3[edx*4]
624 sub ecx, ebx
625 xor edi, ecx
626 ; round 4
627 mov edx, DWORD PTR 32[ebp]
628 mov ecx, DWORD PTR 36[ebp]
629 xor edx, edi
630 rol edx, cl
631 mov ebx, edx
632 xor ecx, ecx
633 mov cl, dh
634 and ebx, 255
635 shr edx, 16
636 xor eax, eax
637 mov al, dh
638 and edx, 255
639 mov ecx, DWORD PTR _CAST_S_table0[ecx*4]
640 mov ebx, DWORD PTR _CAST_S_table1[ebx*4]
641 sub ecx, ebx
642 mov ebx, DWORD PTR _CAST_S_table2[eax*4]
643 add ecx, ebx
644 mov ebx, DWORD PTR _CAST_S_table3[edx*4]
645 xor ecx, ebx
646 xor esi, ecx
647 ; round 3
648 mov edx, DWORD PTR 24[ebp]
649 mov ecx, DWORD PTR 28[ebp]
650 add edx, esi
651 rol edx, cl
652 mov ebx, edx
653 xor ecx, ecx
654 mov cl, dh
655 and ebx, 255
656 shr edx, 16
657 xor eax, eax
658 mov al, dh
659 and edx, 255
660 mov ecx, DWORD PTR _CAST_S_table0[ecx*4]
661 mov ebx, DWORD PTR _CAST_S_table1[ebx*4]
662 xor ecx, ebx
663 mov ebx, DWORD PTR _CAST_S_table2[eax*4]
664 sub ecx, ebx
665 mov ebx, DWORD PTR _CAST_S_table3[edx*4]
666 add ecx, ebx
667 xor edi, ecx
668 ; round 2
669 mov edx, DWORD PTR 16[ebp]
670 mov ecx, DWORD PTR 20[ebp]
671 sub edx, edi
672 rol edx, cl
673 mov ebx, edx
674 xor ecx, ecx
675 mov cl, dh
676 and ebx, 255
677 shr edx, 16
678 xor eax, eax
679 mov al, dh
680 and edx, 255
681 mov ecx, DWORD PTR _CAST_S_table0[ecx*4]
682 mov ebx, DWORD PTR _CAST_S_table1[ebx*4]
683 add ecx, ebx
684 mov ebx, DWORD PTR _CAST_S_table2[eax*4]
685 xor ecx, ebx
686 mov ebx, DWORD PTR _CAST_S_table3[edx*4]
687 sub ecx, ebx
688 xor esi, ecx
689 ; round 1
690 mov edx, DWORD PTR 8[ebp]
691 mov ecx, DWORD PTR 12[ebp]
692 xor edx, esi
693 rol edx, cl
694 mov ebx, edx
695 xor ecx, ecx
696 mov cl, dh
697 and ebx, 255
698 shr edx, 16
699 xor eax, eax
700 mov al, dh
701 and edx, 255
702 mov ecx, DWORD PTR _CAST_S_table0[ecx*4]
703 mov ebx, DWORD PTR _CAST_S_table1[ebx*4]
704 sub ecx, ebx
705 mov ebx, DWORD PTR _CAST_S_table2[eax*4]
706 add ecx, ebx
707 mov ebx, DWORD PTR _CAST_S_table3[edx*4]
708 xor ecx, ebx
709 xor edi, ecx
710 ; round 0
711 mov edx, DWORD PTR [ebp]
712 mov ecx, DWORD PTR 4[ebp]
713 add edx, edi
714 rol edx, cl
715 mov ebx, edx
716 xor ecx, ecx
717 mov cl, dh
718 and ebx, 255
719 shr edx, 16
720 xor eax, eax
721 mov al, dh
722 and edx, 255
723 mov ecx, DWORD PTR _CAST_S_table0[ecx*4]
724 mov ebx, DWORD PTR _CAST_S_table1[ebx*4]
725 xor ecx, ebx
726 mov ebx, DWORD PTR _CAST_S_table2[eax*4]
727 sub ecx, ebx
728 mov ebx, DWORD PTR _CAST_S_table3[edx*4]
729 add ecx, ebx
730 mov eax, DWORD PTR 20[esp]
731 xor esi, ecx
732 nop
733 mov DWORD PTR 4[eax],edi
734 mov DWORD PTR [eax],esi
735 pop edi
736 pop esi
737 pop ebx
738 pop ebp
739 ret
740_CAST_decrypt ENDP
741_TEXT ENDS
742_TEXT SEGMENT
743PUBLIC _CAST_cbc_encrypt
744
745_CAST_cbc_encrypt PROC NEAR
746 ;
747 push ebp
748 push ebx
749 push esi
750 push edi
751 mov ebp, DWORD PTR 28[esp]
752 ; getting iv ptr from parameter 4
753 mov ebx, DWORD PTR 36[esp]
754 mov esi, DWORD PTR [ebx]
755 mov edi, DWORD PTR 4[ebx]
756 push edi
757 push esi
758 push edi
759 push esi
760 mov ebx, esp
761 mov esi, DWORD PTR 36[esp]
762 mov edi, DWORD PTR 40[esp]
763 ; getting encrypt flag from parameter 5
764 mov ecx, DWORD PTR 56[esp]
765 ; get and push parameter 3
766 mov eax, DWORD PTR 48[esp]
767 push eax
768 push ebx
769 cmp ecx, 0
770 jz $L000decrypt
771 and ebp, 4294967288
772 mov eax, DWORD PTR 8[esp]
773 mov ebx, DWORD PTR 12[esp]
774 jz $L001encrypt_finish
775L002encrypt_loop:
776 mov ecx, DWORD PTR [esi]
777 mov edx, DWORD PTR 4[esi]
778 xor eax, ecx
779 xor ebx, edx
780 bswap eax
781 bswap ebx
782 mov DWORD PTR 8[esp],eax
783 mov DWORD PTR 12[esp],ebx
784 call _CAST_encrypt
785 mov eax, DWORD PTR 8[esp]
786 mov ebx, DWORD PTR 12[esp]
787 bswap eax
788 bswap ebx
789 mov DWORD PTR [edi],eax
790 mov DWORD PTR 4[edi],ebx
791 add esi, 8
792 add edi, 8
793 sub ebp, 8
794 jnz L002encrypt_loop
795$L001encrypt_finish:
796 mov ebp, DWORD PTR 52[esp]
797 and ebp, 7
798 jz $L003finish
799 xor ecx, ecx
800 xor edx, edx
801 mov ebp, DWORD PTR $L004cbc_enc_jmp_table[ebp*4]
802 jmp ebp
803L005ej7:
804 xor edx, edx
805 mov dh, BYTE PTR 6[esi]
806 shl edx, 8
807L006ej6:
808 mov dh, BYTE PTR 5[esi]
809L007ej5:
810 mov dl, BYTE PTR 4[esi]
811L008ej4:
812 mov ecx, DWORD PTR [esi]
813 jmp $L009ejend
814L010ej3:
815 mov ch, BYTE PTR 2[esi]
816 xor ecx, ecx
817 shl ecx, 8
818L011ej2:
819 mov ch, BYTE PTR 1[esi]
820L012ej1:
821 mov cl, BYTE PTR [esi]
822$L009ejend:
823 xor eax, ecx
824 xor ebx, edx
825 bswap eax
826 bswap ebx
827 mov DWORD PTR 8[esp],eax
828 mov DWORD PTR 12[esp],ebx
829 call _CAST_encrypt
830 mov eax, DWORD PTR 8[esp]
831 mov ebx, DWORD PTR 12[esp]
832 bswap eax
833 bswap ebx
834 mov DWORD PTR [edi],eax
835 mov DWORD PTR 4[edi],ebx
836 jmp $L003finish
837$L000decrypt:
838 and ebp, 4294967288
839 mov eax, DWORD PTR 16[esp]
840 mov ebx, DWORD PTR 20[esp]
841 jz $L013decrypt_finish
842L014decrypt_loop:
843 mov eax, DWORD PTR [esi]
844 mov ebx, DWORD PTR 4[esi]
845 bswap eax
846 bswap ebx
847 mov DWORD PTR 8[esp],eax
848 mov DWORD PTR 12[esp],ebx
849 call _CAST_decrypt
850 mov eax, DWORD PTR 8[esp]
851 mov ebx, DWORD PTR 12[esp]
852 bswap eax
853 bswap ebx
854 mov ecx, DWORD PTR 16[esp]
855 mov edx, DWORD PTR 20[esp]
856 xor ecx, eax
857 xor edx, ebx
858 mov eax, DWORD PTR [esi]
859 mov ebx, DWORD PTR 4[esi]
860 mov DWORD PTR [edi],ecx
861 mov DWORD PTR 4[edi],edx
862 mov DWORD PTR 16[esp],eax
863 mov DWORD PTR 20[esp],ebx
864 add esi, 8
865 add edi, 8
866 sub ebp, 8
867 jnz L014decrypt_loop
868$L013decrypt_finish:
869 mov ebp, DWORD PTR 52[esp]
870 and ebp, 7
871 jz $L003finish
872 mov eax, DWORD PTR [esi]
873 mov ebx, DWORD PTR 4[esi]
874 bswap eax
875 bswap ebx
876 mov DWORD PTR 8[esp],eax
877 mov DWORD PTR 12[esp],ebx
878 call _CAST_decrypt
879 mov eax, DWORD PTR 8[esp]
880 mov ebx, DWORD PTR 12[esp]
881 bswap eax
882 bswap ebx
883 mov ecx, DWORD PTR 16[esp]
884 mov edx, DWORD PTR 20[esp]
885 xor ecx, eax
886 xor edx, ebx
887 mov eax, DWORD PTR [esi]
888 mov ebx, DWORD PTR 4[esi]
889L015dj7:
890 ror edx, 16
891 mov BYTE PTR 6[edi],dl
892 shr edx, 16
893L016dj6:
894 mov BYTE PTR 5[edi],dh
895L017dj5:
896 mov BYTE PTR 4[edi],dl
897L018dj4:
898 mov DWORD PTR [edi],ecx
899 jmp $L019djend
900L020dj3:
901 ror ecx, 16
902 mov BYTE PTR 2[edi],cl
903 shl ecx, 16
904L021dj2:
905 mov BYTE PTR 1[esi],ch
906L022dj1:
907 mov BYTE PTR [esi], cl
908$L019djend:
909 jmp $L003finish
910$L003finish:
911 mov ecx, DWORD PTR 60[esp]
912 add esp, 24
913 mov DWORD PTR [ecx],eax
914 mov DWORD PTR 4[ecx],ebx
915 pop edi
916 pop esi
917 pop ebx
918 pop ebp
919 ret
920$L004cbc_enc_jmp_table:
921 DD 0
922 DD L012ej1
923 DD L011ej2
924 DD L010ej3
925 DD L008ej4
926 DD L007ej5
927 DD L006ej6
928 DD L005ej7
929L023cbc_dec_jmp_table:
930 DD 0
931 DD L022dj1
932 DD L021dj2
933 DD L020dj3
934 DD L018dj4
935 DD L017dj5
936 DD L016dj6
937 DD L015dj7
938_CAST_cbc_encrypt ENDP
939_TEXT ENDS
940END
generated by cgit v1.2.3-55-g6feb (git 2.39.1) at 2025-08-04 09:56:15 +0000