5 push(@INC,"perlasm","../../perlasm");
8 &asm_init($ARGV[0],"sha1-586.pl");
20 @K=(0x5a827999,0x6ed9eba1,0x8f1bbcdc,0xca62c1d6);
22 &sha1_block("sha1_block_x86");
29 local(%n)=($A,$T,$B,$A,$C,$B,$D,$C,$E,$D,$T,$E);
36 local(%n)=($A,$T,$B,$A,$C,$B,$D,$C,$E,$D,$T,$E);
37 local(%n)=($A,$B,$B,$C,$C,$D,$D,$E,$E,$T,$T,$A);
55 &comment("First, load the words onto the stack in network byte order");
56 for ($i=0; $i<16; $i++)
58 &mov("eax",&DWP(($i+0)*4,$in,"",0)) unless $i == 0;
60 &mov(&swtmp($i+0),"eax");
63 &comment("We now have the X array on the stack");
64 &comment("starting at sp-4");
68 # F is always trashable at the start, the running total.
69 # E becomes the next F so it can be trashed after it has been 'accumulated'
70 # F becomes A in the next round. We don't need to access it much.
71 # During the X update part, the result ends up in $X[$n0].
75 local($pos,$K,$X,$n,$a,$b,$c,$d,$e,$f)=@_;
90 &rotr($b,1); # B1 <- F
91 &mov($e,&swtmp($n)); # G1
93 &rotr($b,1); # B1 <- F
96 &lea($tmp1,&DWP($K,$tmp1,$e,1));
98 ############################
99 # &BODY_40_59( 0,$K[2],$X,42,$A,$B,$C,$D,$E,$T);
100 # &BODY_40_59( 0,$K[2],$X,43,$T,$A,$B,$C,$D,$E);
102 local($n0,$n1,$n2,$n3,$np)=&Na($n);
103 ($b,$c,$d,$e,$f,$a)=($a,$b,$c,$d,$e,$f);
107 &add($a,$tmp1); # MOVED DOWN
116 &mov($e,&swtmp($n)); # G1
118 &rotr($b,1); # B1 <- F
121 &rotr($b,1); # B1 <- F
122 &lea($tmp1,&DWP($K,$tmp1,$e,1));
129 local($pos,$K,$X,$n,$a,$b,$c,$d,$e,$f)=@_;
130 local($n0,$n1,$n2,$n3,$np)=&Na($n);
133 &comment("16_19 $n");
135 &nop() if ($pos < 0);
136 &mov($tmp1,&swtmp($n0)); # X1
137 &mov($f,&swtmp($n1)); # X2
139 &mov($tmp1,&swtmp($n2)); # X4
141 &mov($tmp1,&swtmp($n3)); # X6
142 &xor($f,$tmp1); # X7 - slot
144 &rotl($f,1); # X8 - slot
146 &mov(&swtmp($n0),$f); # X9 - anytime
148 &lea($f,&DWP($K,$f,$e,1)); # tot=X+K+e
151 &add($f,$tmp1); # tot+=F();
155 &rotr($b,1); # B1 <- F
156 &add($f,$e); # tot+=a
158 ############################
159 # &BODY_40_59( 0,$K[2],$X,42,$A,$B,$C,$D,$E,$T);
160 # &BODY_40_59( 0,$K[2],$X,43,$T,$A,$B,$C,$D,$E);
162 local($n0,$n1,$n2,$n3,$np)=&Na($n);
163 ($b,$c,$d,$e,$f,$a)=($a,$b,$c,$d,$e,$f);
166 &mov($f,&swtmp($n0)); # X1
167 &mov($tmp1,&swtmp($n1)); # X2
169 &mov($tmp1,&swtmp($n2)); # X4
171 &mov($tmp1,&swtmp($n3)); # X6
172 &rotr($c,1); #&rotr($b,1); # B1 <- F # MOVED DOWN
173 &xor($f,$tmp1); # X7 - slot
174 &rotl($f,1); # X8 - slot
177 &mov(&swtmp($n0),$f); # X9 - anytime
179 &lea($f,&DWP($K,$f,$e,1)); # tot=X+K+e
186 &rotr($b,1); # B1 <- F
187 &add($f,$e); # tot+=a
189 &rotr($b,1); # B1 <- F
190 &add($f,$tmp1); # tot+=F();
196 local($pos,$K,$X,$n,$a,$b,$c,$d,$e,$f)=@_;
198 &comment("20_39 $n");
199 local($n0,$n1,$n2,$n3,$np)=&Na($n);
201 &mov($f,&swtmp($n0)); # X1
202 &mov($tmp1,&swtmp($n1)); # X2
204 &mov($tmp1,&swtmp($n2)); # X4
206 &mov($tmp1,&swtmp($n3)); # X6
207 &xor($f,$tmp1); # X7 - slot
209 &rotl($f,1); # X8 - slot
211 &mov(&swtmp($n0),$f); # X9 - anytime
214 &lea($f,&DWP($K,$f,$e,1)); # tot=X+K+e
219 if ($n != 79) # last loop
221 &rotr($b,1); # B1 <- F
222 &add($e,$tmp1); # tmp1=F()+a
224 &rotr($b,1); # B2 <- F
225 &add($f,$e); # tot+=tmp1;
229 &add($e,$tmp1); # tmp1=F()+a
230 &mov($tmp1,&wparam(0));
232 &rotr($b,1); # B1 <- F
233 &add($f,$e); # tot+=tmp1;
235 &rotr($b,1); # B2 <- F
241 local($pos,$K,$X,$n,$a,$b,$c,$d,$e,$f)=@_;
243 &comment("40_59 $n");
245 local($n0,$n1,$n2,$n3,$np)=&Na($n);
247 &mov($f,&swtmp($n0)); # X1
248 &mov($tmp1,&swtmp($n1)); # X2
250 &mov($tmp1,&swtmp($n2)); # X4
252 &mov($tmp1,&swtmp($n3)); # X6
253 &xor($f,$tmp1); # X7 - slot
255 &rotl($f,1); # X8 - slot
257 &mov(&swtmp($n0),$f); # X9 - anytime
260 &lea($f,&DWP($K,$f,$e,1)); # tot=X+K+e
263 &rotr($b,1); # B1 <- F
271 &add($tmp1,$e); # tmp1=F()+a
273 ############################
274 # &BODY_40_59( 0,$K[2],$X,42,$A,$B,$C,$D,$E,$T);
275 # &BODY_40_59( 0,$K[2],$X,43,$T,$A,$B,$C,$D,$E);
277 local($n0,$n1,$n2,$n3,$np)=&Na($n);
278 ($b,$c,$d,$e,$f,$a)=($a,$b,$c,$d,$e,$f);
280 &mov($f,&swtmp($n0)); # X1
281 &add($a,$tmp1); # tot+=tmp1; # moved was add f,tmp1
282 &mov($tmp1,&swtmp($n1)); # X2
284 &mov($tmp1,&swtmp($n2)); # X4
286 &mov($tmp1,&swtmp($n3)); # X6
287 &rotr($c,1); # B2 <- F # moved was rotr b,1
288 &xor($f,$tmp1); # X7 - slot
289 &rotl($f,1); # X8 - slot
291 &mov(&swtmp($n0),$f); # X9 - anytime
293 &lea($f,&DWP($K,$f,$e,1)); # tot=X+K+e
303 &rotr($b,1); # B1 <- F
304 &add($tmp1,$e); # tmp1=F()+a
306 &rotr($b,1); # B2 <- F
307 &add($f,$tmp1); # tot+=tmp1;
319 &function_begin_B($name,"");
321 # parameter 1 is the MD5_CTX structure.
330 &mov("eax", &wparam(2));
331 &mov("esi", &wparam(1));
332 &add("eax", "esi"); # offset to leave on
333 &mov("ebp", &wparam(0));
337 &mov($B, &DWP( 4,"ebp","",0));
339 &mov($D, &DWP(12,"ebp","",0));
340 &mov($E, &DWP(16,"ebp","",0));
341 &mov($C, &DWP( 8,"ebp","",0));
342 &mov(&swtmp(17),"eax");
344 &comment("First we need to setup the X array");
345 &mov("eax",&DWP(0,"esi","",0)); # pulled out of X_expand
347 &set_label("start") unless $normal;
350 &mov(&swtmp(16),"esi");
353 &comment("Start processing");
356 &mov($A, &DWP( 0,"ebp","",0));
358 &BODY_00_15(-2,$K[0],$X, 0,$A,$B,$C,$D,$E,$T);
359 &BODY_00_15( 0,$K[0],$X, 1,$T,$A,$B,$C,$D,$E);
360 &BODY_00_15( 0,$K[0],$X, 2,$E,$T,$A,$B,$C,$D);
361 &BODY_00_15( 0,$K[0],$X, 3,$D,$E,$T,$A,$B,$C);
362 &BODY_00_15( 0,$K[0],$X, 4,$C,$D,$E,$T,$A,$B);
363 &BODY_00_15( 0,$K[0],$X, 5,$B,$C,$D,$E,$T,$A);
364 &BODY_00_15( 0,$K[0],$X, 6,$A,$B,$C,$D,$E,$T);
365 &BODY_00_15( 0,$K[0],$X, 7,$T,$A,$B,$C,$D,$E);
366 &BODY_00_15( 0,$K[0],$X, 8,$E,$T,$A,$B,$C,$D);
367 &BODY_00_15( 0,$K[0],$X, 9,$D,$E,$T,$A,$B,$C);
368 &BODY_00_15( 0,$K[0],$X,10,$C,$D,$E,$T,$A,$B);
369 &BODY_00_15( 0,$K[0],$X,11,$B,$C,$D,$E,$T,$A);
370 &BODY_00_15( 0,$K[0],$X,12,$A,$B,$C,$D,$E,$T);
371 &BODY_00_15( 0,$K[0],$X,13,$T,$A,$B,$C,$D,$E);
372 &BODY_00_15( 0,$K[0],$X,14,$E,$T,$A,$B,$C,$D);
373 &BODY_00_15( 1,$K[0],$X,15,$D,$E,$T,$A,$B,$C);
374 &BODY_16_19(-1,$K[0],$X,16,$C,$D,$E,$T,$A,$B);
375 &BODY_16_19( 0,$K[0],$X,17,$B,$C,$D,$E,$T,$A);
376 &BODY_16_19( 0,$K[0],$X,18,$A,$B,$C,$D,$E,$T);
377 &BODY_16_19( 1,$K[0],$X,19,$T,$A,$B,$C,$D,$E);
379 &BODY_20_39(-1,$K[1],$X,20,$E,$T,$A,$B,$C,$D);
380 &BODY_20_39( 0,$K[1],$X,21,$D,$E,$T,$A,$B,$C);
381 &BODY_20_39( 0,$K[1],$X,22,$C,$D,$E,$T,$A,$B);
382 &BODY_20_39( 0,$K[1],$X,23,$B,$C,$D,$E,$T,$A);
383 &BODY_20_39( 0,$K[1],$X,24,$A,$B,$C,$D,$E,$T);
384 &BODY_20_39( 0,$K[1],$X,25,$T,$A,$B,$C,$D,$E);
385 &BODY_20_39( 0,$K[1],$X,26,$E,$T,$A,$B,$C,$D);
386 &BODY_20_39( 0,$K[1],$X,27,$D,$E,$T,$A,$B,$C);
387 &BODY_20_39( 0,$K[1],$X,28,$C,$D,$E,$T,$A,$B);
388 &BODY_20_39( 0,$K[1],$X,29,$B,$C,$D,$E,$T,$A);
389 &BODY_20_39( 0,$K[1],$X,30,$A,$B,$C,$D,$E,$T);
390 &BODY_20_39( 0,$K[1],$X,31,$T,$A,$B,$C,$D,$E);
391 &BODY_20_39( 0,$K[1],$X,32,$E,$T,$A,$B,$C,$D);
392 &BODY_20_39( 0,$K[1],$X,33,$D,$E,$T,$A,$B,$C);
393 &BODY_20_39( 0,$K[1],$X,34,$C,$D,$E,$T,$A,$B);
394 &BODY_20_39( 0,$K[1],$X,35,$B,$C,$D,$E,$T,$A);
395 &BODY_20_39( 0,$K[1],$X,36,$A,$B,$C,$D,$E,$T);
396 &BODY_20_39( 0,$K[1],$X,37,$T,$A,$B,$C,$D,$E);
397 &BODY_20_39( 0,$K[1],$X,38,$E,$T,$A,$B,$C,$D);
398 &BODY_20_39( 1,$K[1],$X,39,$D,$E,$T,$A,$B,$C);
400 &BODY_40_59(-1,$K[2],$X,40,$C,$D,$E,$T,$A,$B);
401 &BODY_40_59( 0,$K[2],$X,41,$B,$C,$D,$E,$T,$A);
402 &BODY_40_59( 0,$K[2],$X,42,$A,$B,$C,$D,$E,$T);
403 &BODY_40_59( 0,$K[2],$X,43,$T,$A,$B,$C,$D,$E);
404 &BODY_40_59( 0,$K[2],$X,44,$E,$T,$A,$B,$C,$D);
405 &BODY_40_59( 0,$K[2],$X,45,$D,$E,$T,$A,$B,$C);
406 &BODY_40_59( 0,$K[2],$X,46,$C,$D,$E,$T,$A,$B);
407 &BODY_40_59( 0,$K[2],$X,47,$B,$C,$D,$E,$T,$A);
408 &BODY_40_59( 0,$K[2],$X,48,$A,$B,$C,$D,$E,$T);
409 &BODY_40_59( 0,$K[2],$X,49,$T,$A,$B,$C,$D,$E);
410 &BODY_40_59( 0,$K[2],$X,50,$E,$T,$A,$B,$C,$D);
411 &BODY_40_59( 0,$K[2],$X,51,$D,$E,$T,$A,$B,$C);
412 &BODY_40_59( 0,$K[2],$X,52,$C,$D,$E,$T,$A,$B);
413 &BODY_40_59( 0,$K[2],$X,53,$B,$C,$D,$E,$T,$A);
414 &BODY_40_59( 0,$K[2],$X,54,$A,$B,$C,$D,$E,$T);
415 &BODY_40_59( 0,$K[2],$X,55,$T,$A,$B,$C,$D,$E);
416 &BODY_40_59( 0,$K[2],$X,56,$E,$T,$A,$B,$C,$D);
417 &BODY_40_59( 0,$K[2],$X,57,$D,$E,$T,$A,$B,$C);
418 &BODY_40_59( 0,$K[2],$X,58,$C,$D,$E,$T,$A,$B);
419 &BODY_40_59( 1,$K[2],$X,59,$B,$C,$D,$E,$T,$A);
421 &BODY_60_79(-1,$K[3],$X,60,$A,$B,$C,$D,$E,$T);
422 &BODY_60_79( 0,$K[3],$X,61,$T,$A,$B,$C,$D,$E);
423 &BODY_60_79( 0,$K[3],$X,62,$E,$T,$A,$B,$C,$D);
424 &BODY_60_79( 0,$K[3],$X,63,$D,$E,$T,$A,$B,$C);
425 &BODY_60_79( 0,$K[3],$X,64,$C,$D,$E,$T,$A,$B);
426 &BODY_60_79( 0,$K[3],$X,65,$B,$C,$D,$E,$T,$A);
427 &BODY_60_79( 0,$K[3],$X,66,$A,$B,$C,$D,$E,$T);
428 &BODY_60_79( 0,$K[3],$X,67,$T,$A,$B,$C,$D,$E);
429 &BODY_60_79( 0,$K[3],$X,68,$E,$T,$A,$B,$C,$D);
430 &BODY_60_79( 0,$K[3],$X,69,$D,$E,$T,$A,$B,$C);
431 &BODY_60_79( 0,$K[3],$X,70,$C,$D,$E,$T,$A,$B);
432 &BODY_60_79( 0,$K[3],$X,71,$B,$C,$D,$E,$T,$A);
433 &BODY_60_79( 0,$K[3],$X,72,$A,$B,$C,$D,$E,$T);
434 &BODY_60_79( 0,$K[3],$X,73,$T,$A,$B,$C,$D,$E);
435 &BODY_60_79( 0,$K[3],$X,74,$E,$T,$A,$B,$C,$D);
436 &BODY_60_79( 0,$K[3],$X,75,$D,$E,$T,$A,$B,$C);
437 &BODY_60_79( 0,$K[3],$X,76,$C,$D,$E,$T,$A,$B);
438 &BODY_60_79( 0,$K[3],$X,77,$B,$C,$D,$E,$T,$A);
439 &BODY_60_79( 0,$K[3],$X,78,$A,$B,$C,$D,$E,$T);
440 &BODY_60_79( 2,$K[3],$X,79,$T,$A,$B,$C,$D,$E);
442 &comment("End processing");
453 # The last 2 have been moved into the last loop
454 # &mov($tmp1,&wparam(0));
456 &mov($D, &DWP(12,$tmp1,"",0));
458 &mov($B, &DWP( 4,$tmp1,"",0));
461 &mov($A, &DWP( 0,$tmp1,"",0));
462 &mov(&DWP(12,$tmp1,"",0),$D);
465 &mov($E, &DWP(16,$tmp1,"",0));
467 &mov($C, &DWP( 8,$tmp1,"",0));
470 &mov(&DWP( 0,$tmp1,"",0),$A);
471 &mov("esi",&swtmp(16));
472 &mov(&DWP( 8,$tmp1,"",0),$C); # This is for looping
474 &mov("eax",&swtmp(17));
475 &mov(&DWP(16,$tmp1,"",0),$E);
477 &mov(&DWP( 4,$tmp1,"",0),$B); # This is for looping
479 &mov("eax",&DWP(0,"esi","",0)); # Pulled down from
480 &jmp(&label("start"));
489 &function_end_B($name);