4 # md5_block_x86(MD5_CTX *c, ULONG *X);
5 # version, non-normal is the
6 # md5_block_x86(MD5_CTX *c, ULONG *X,int blocks);
10 push(@INC,"perlasm","../../perlasm");
13 &asm_init($ARGV[0],$0);
23 # What we need to load into $tmp for the next round
24 %Ltmp1=("R0",&Np($C), "R1",&Np($C), "R2",&Np($C), "R3",&Np($D));
26 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, # R0
27 1, 6, 11, 0, 5, 10, 15, 4, 9, 14, 3, 8, 13, 2, 7, 12, # R1
28 5, 8, 11, 14, 1, 4, 7, 10, 13, 0, 3, 6, 9, 12, 15, 2, # R2
29 0, 7, 14, 5, 12, 3, 10, 1, 8, 15, 6, 13, 4, 11, 2, 9, # R3
32 &md5_block("md5_block_x86");
38 local(%n)=($A,$D,$B,$A,$C,$B,$D,$C);
44 local($pos,$a,$b,$c,$d,$K,$ki,$s,$t)=@_;
46 &mov($tmp1,$C) if $pos < 0;
47 &mov($tmp2,&DWP($xo[$ki]*4,$K,"",0)) if $pos < 0; # very first one
52 &xor($tmp1,$d); # F function - part 2
54 &and($tmp1,$b); # F function - part 3
55 &lea($a,&DWP($t,$a,$tmp2,1));
57 &mov($tmp2,&DWP($xo[$ki+1]*4,$K,"",0)) if ($pos != 2);
58 &xor($tmp1,$d); # F function - part 4
61 &mov($tmp1,&Np($c)) if $pos < 1; # next tmp1 for R0
62 &mov($tmp1,&Np($c)) if $pos == 1; # next tmp1 for R1
71 local($pos,$a,$b,$c,$d,$K,$ki,$s,$t)=@_;
75 &lea($a,&DWP($t,$a,$tmp2,1));
77 &xor($tmp1,$b); # G function - part 2
78 &and($tmp1,$d); # G function - part 3
80 &mov($tmp2,&DWP($xo[$ki+1]*4,$K,"",0)) if ($pos != 2);
81 &xor($tmp1,$c); # G function - part 4
84 &mov($tmp1,&Np($c)) if $pos < 1; # G function - part 1
85 &mov($tmp1,&Np($c)) if $pos == 1; # G function - part 1
94 local($n,$pos,$a,$b,$c,$d,$K,$ki,$s,$t)=@_;
95 # This one is different, only 3 logical operations
100 # make sure to do 'D' first, not 'B', else we clash with
101 # the last add from the previous round.
103 &xor($tmp1,$d); # H function - part 2
105 &xor($tmp1,$b); # H function - part 3
106 &lea($a,&DWP($t,$a,$tmp2,1));
109 &mov($tmp2,&DWP($xo[$ki+1]*4,$K,"",0));
118 # make sure to do 'D' first, not 'B', else we clash with
119 # the last add from the previous round.
121 &lea($a,&DWP($t,$a,$tmp2,1));
123 &add($b,$c); # MOVED FORWARD
124 &xor($tmp1,$d); # H function - part 2
126 &xor($tmp1,$b); # H function - part 3
127 &mov($tmp2,&DWP($xo[$ki+1]*4,$K,"",0)) if ($pos != 2);
130 &mov($tmp1,&Np($c)) if $pos < 1; # H function - part 1
131 &mov($tmp1,-1) if $pos == 1; # I function - part 1
141 local($pos,$a,$b,$c,$d,$K,$ki,$s,$t)=@_;
146 &xor($tmp1,$d) if $pos < 0; # I function - part 2
148 &or($tmp1,$b); # I function - part 3
149 &lea($a,&DWP($t,$a,$tmp2,1));
151 &xor($tmp1,$c); # I function - part 4
152 &mov($tmp2,&DWP($xo[$ki+1]*4,$K,"",0)) if $pos != 2; # load X/k value
153 &mov($tmp2,&wparam(0)) if $pos == 2;
156 &mov($tmp1,-1) if $pos < 1; # H function - part 1
157 &add($K,64) if $pos >=1 && !$normal;
161 &xor($tmp1,&Np($d)) if $pos <= 0; # I function - part = first time
162 &mov($tmp1,&DWP( 0,$tmp2,"",0)) if $pos > 0;
171 &function_begin_B($name,"",3);
173 # parameter 1 is the MD5_CTX structure.
181 &mov($tmp1, &wparam(0)); # edi
182 &mov($X, &wparam(1)); # esi
183 &mov($C, &wparam(2));
186 &add($C, $X); # offset we end at
188 &mov($A, &DWP( 0,$tmp1,"",0));
189 &push($C); # Put on the TOS
190 &mov($B, &DWP( 4,$tmp1,"",0));
191 &mov($C, &DWP( 8,$tmp1,"",0));
192 &mov($D, &DWP(12,$tmp1,"",0));
194 &set_label("start") unless $normal;
196 &comment("R0 section");
198 &R0(-2,$A,$B,$C,$D,$X, 0, 7,0xd76aa478);
199 &R0( 0,$D,$A,$B,$C,$X, 1,12,0xe8c7b756);
200 &R0( 0,$C,$D,$A,$B,$X, 2,17,0x242070db);
201 &R0( 0,$B,$C,$D,$A,$X, 3,22,0xc1bdceee);
202 &R0( 0,$A,$B,$C,$D,$X, 4, 7,0xf57c0faf);
203 &R0( 0,$D,$A,$B,$C,$X, 5,12,0x4787c62a);
204 &R0( 0,$C,$D,$A,$B,$X, 6,17,0xa8304613);
205 &R0( 0,$B,$C,$D,$A,$X, 7,22,0xfd469501);
206 &R0( 0,$A,$B,$C,$D,$X, 8, 7,0x698098d8);
207 &R0( 0,$D,$A,$B,$C,$X, 9,12,0x8b44f7af);
208 &R0( 0,$C,$D,$A,$B,$X,10,17,0xffff5bb1);
209 &R0( 0,$B,$C,$D,$A,$X,11,22,0x895cd7be);
210 &R0( 0,$A,$B,$C,$D,$X,12, 7,0x6b901122);
211 &R0( 0,$D,$A,$B,$C,$X,13,12,0xfd987193);
212 &R0( 0,$C,$D,$A,$B,$X,14,17,0xa679438e);
213 &R0( 1,$B,$C,$D,$A,$X,15,22,0x49b40821);
216 &comment("R1 section");
217 &R1(-1,$A,$B,$C,$D,$X,16, 5,0xf61e2562);
218 &R1( 0,$D,$A,$B,$C,$X,17, 9,0xc040b340);
219 &R1( 0,$C,$D,$A,$B,$X,18,14,0x265e5a51);
220 &R1( 0,$B,$C,$D,$A,$X,19,20,0xe9b6c7aa);
221 &R1( 0,$A,$B,$C,$D,$X,20, 5,0xd62f105d);
222 &R1( 0,$D,$A,$B,$C,$X,21, 9,0x02441453);
223 &R1( 0,$C,$D,$A,$B,$X,22,14,0xd8a1e681);
224 &R1( 0,$B,$C,$D,$A,$X,23,20,0xe7d3fbc8);
225 &R1( 0,$A,$B,$C,$D,$X,24, 5,0x21e1cde6);
226 &R1( 0,$D,$A,$B,$C,$X,25, 9,0xc33707d6);
227 &R1( 0,$C,$D,$A,$B,$X,26,14,0xf4d50d87);
228 &R1( 0,$B,$C,$D,$A,$X,27,20,0x455a14ed);
229 &R1( 0,$A,$B,$C,$D,$X,28, 5,0xa9e3e905);
230 &R1( 0,$D,$A,$B,$C,$X,29, 9,0xfcefa3f8);
231 &R1( 0,$C,$D,$A,$B,$X,30,14,0x676f02d9);
232 &R1( 1,$B,$C,$D,$A,$X,31,20,0x8d2a4c8a);
235 &comment("R2 section");
236 &R2( 0,-1,$A,$B,$C,$D,$X,32, 4,0xfffa3942);
237 &R2( 1, 0,$D,$A,$B,$C,$X,33,11,0x8771f681);
238 &R2( 2, 0,$C,$D,$A,$B,$X,34,16,0x6d9d6122);
239 &R2( 3, 0,$B,$C,$D,$A,$X,35,23,0xfde5380c);
240 &R2( 4, 0,$A,$B,$C,$D,$X,36, 4,0xa4beea44);
241 &R2( 5, 0,$D,$A,$B,$C,$X,37,11,0x4bdecfa9);
242 &R2( 6, 0,$C,$D,$A,$B,$X,38,16,0xf6bb4b60);
243 &R2( 7, 0,$B,$C,$D,$A,$X,39,23,0xbebfbc70);
244 &R2( 8, 0,$A,$B,$C,$D,$X,40, 4,0x289b7ec6);
245 &R2( 9, 0,$D,$A,$B,$C,$X,41,11,0xeaa127fa);
246 &R2(10, 0,$C,$D,$A,$B,$X,42,16,0xd4ef3085);
247 &R2(11, 0,$B,$C,$D,$A,$X,43,23,0x04881d05);
248 &R2(12, 0,$A,$B,$C,$D,$X,44, 4,0xd9d4d039);
249 &R2(13, 0,$D,$A,$B,$C,$X,45,11,0xe6db99e5);
250 &R2(14, 0,$C,$D,$A,$B,$X,46,16,0x1fa27cf8);
251 &R2(15, 1,$B,$C,$D,$A,$X,47,23,0xc4ac5665);
254 &comment("R3 section");
255 &R3(-1,$A,$B,$C,$D,$X,48, 6,0xf4292244);
256 &R3( 0,$D,$A,$B,$C,$X,49,10,0x432aff97);
257 &R3( 0,$C,$D,$A,$B,$X,50,15,0xab9423a7);
258 &R3( 0,$B,$C,$D,$A,$X,51,21,0xfc93a039);
259 &R3( 0,$A,$B,$C,$D,$X,52, 6,0x655b59c3);
260 &R3( 0,$D,$A,$B,$C,$X,53,10,0x8f0ccc92);
261 &R3( 0,$C,$D,$A,$B,$X,54,15,0xffeff47d);
262 &R3( 0,$B,$C,$D,$A,$X,55,21,0x85845dd1);
263 &R3( 0,$A,$B,$C,$D,$X,56, 6,0x6fa87e4f);
264 &R3( 0,$D,$A,$B,$C,$X,57,10,0xfe2ce6e0);
265 &R3( 0,$C,$D,$A,$B,$X,58,15,0xa3014314);
266 &R3( 0,$B,$C,$D,$A,$X,59,21,0x4e0811a1);
267 &R3( 0,$A,$B,$C,$D,$X,60, 6,0xf7537e82);
268 &R3( 0,$D,$A,$B,$C,$X,61,10,0xbd3af235);
269 &R3( 0,$C,$D,$A,$B,$X,62,15,0x2ad7d2bb);
270 &R3( 2,$B,$C,$D,$A,$X,63,21,0xeb86d391);
272 # &mov($tmp2,&wparam(0)); # done in the last R3
273 # &mov($tmp1, &DWP( 0,$tmp2,"",0)); # done is the last R3
276 &mov($tmp1, &DWP( 4,$tmp2,"",0));
279 &mov($tmp1, &DWP( 8,$tmp2,"",0));
282 &mov($tmp1, &DWP(12,$tmp2,"",0));
285 &mov(&DWP( 0,$tmp2,"",0),$A);
287 &mov(&DWP( 4,$tmp2,"",0),$B);
288 &mov($tmp1,&swtmp(0)) unless $normal;
290 &mov(&DWP( 8,$tmp2,"",0),$C);
291 &mov(&DWP(12,$tmp2,"",0),$D);
293 &cmp($tmp1,$X) unless $normal; # check count
294 &jge(&label("start")) unless $normal;
296 &pop("eax"); # pop the temp variable off the stack
302 &function_end_B($name);