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1 files changed, 306 insertions, 0 deletions
diff --git a/src/lib/libcrypto/md5/asm/md5-586.pl b/src/lib/libcrypto/md5/asm/md5-586.pl
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1#!/usr/local/bin/perl
2
3# Normal is the
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);
7
8$normal=0;
9
10push(@INC,"perlasm","../../perlasm");
11require "x86asm.pl";
12
13&asm_init($ARGV[0],$0);
14
15$A="eax";
16$B="ebx";
17$C="ecx";
18$D="edx";
19$tmp1="edi";
20$tmp2="ebp";
21$X="esi";
22
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($D));
25@xo=(
26 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, # R0
27 1, 6, 11, 0, 5, 10, 15, 4, 9, 14, 3, 8, 13, 2, 7, 12, # R1
28 5, 8, 11, 14, 1, 4, 7, 10, 13, 0, 3, 6, 9, 12, 15, 2, # R2
29 0, 7, 14, 5, 12, 3, 10, 1, 8, 15, 6, 13, 4, 11, 2, 9, # R3
30 );
31
32&md5_block("md5_block_asm_data_order");
33&asm_finish();
34
35sub Np
36 {
37 local($p)=@_;
38 local(%n)=($A,$D,$B,$A,$C,$B,$D,$C);
39 return($n{$p});
40 }
41
42sub R0
43 {
44 local($pos,$a,$b,$c,$d,$K,$ki,$s,$t)=@_;
45
46 &mov($tmp1,$C) if $pos < 0;
47 &mov($tmp2,&DWP($xo[$ki]*4,$K,"",0)) if $pos < 0; # very first one
48
49 # body proper
50
51 &comment("R0 $ki");
52 &xor($tmp1,$d); # F function - part 2
53
54 &and($tmp1,$b); # F function - part 3
55 &lea($a,&DWP($t,$a,$tmp2,1));
56
57 &xor($tmp1,$d); # F function - part 4
58
59 &add($a,$tmp1);
60 &mov($tmp1,&Np($c)) if $pos < 1; # next tmp1 for R0
61 &mov($tmp1,&Np($c)) if $pos == 1; # next tmp1 for R1
62
63 &rotl($a,$s);
64
65 &mov($tmp2,&DWP($xo[$ki+1]*4,$K,"",0)) if ($pos != 2);
66
67 &add($a,$b);
68 }
69
70sub R1
71 {
72 local($pos,$a,$b,$c,$d,$K,$ki,$s,$t)=@_;
73
74 &comment("R1 $ki");
75
76 &lea($a,&DWP($t,$a,$tmp2,1));
77
78 &xor($tmp1,$b); # G function - part 2
79 &and($tmp1,$d); # G function - part 3
80
81 &mov($tmp2,&DWP($xo[$ki+1]*4,$K,"",0)) if ($pos != 2);
82 &xor($tmp1,$c); # G function - part 4
83
84 &add($a,$tmp1);
85 &mov($tmp1,&Np($c)) if $pos < 1; # G function - part 1
86 &mov($tmp1,&Np($c)) if $pos == 1; # G function - part 1
87
88 &rotl($a,$s);
89
90 &add($a,$b);
91 }
92
93sub R2
94 {
95 local($n,$pos,$a,$b,$c,$d,$K,$ki,$s,$t)=@_;
96 # This one is different, only 3 logical operations
97
98if (($n & 1) == 0)
99 {
100 &comment("R2 $ki");
101 # make sure to do 'D' first, not 'B', else we clash with
102 # the last add from the previous round.
103
104 &xor($tmp1,$d); # H function - part 2
105
106 &xor($tmp1,$b); # H function - part 3
107 &lea($a,&DWP($t,$a,$tmp2,1));
108
109 &add($a,$tmp1);
110
111 &rotl($a,$s);
112
113 &mov($tmp2,&DWP($xo[$ki+1]*4,$K,"",0));
114 &mov($tmp1,&Np($c));
115 }
116else
117 {
118 &comment("R2 $ki");
119 # make sure to do 'D' first, not 'B', else we clash with
120 # the last add from the previous round.
121
122 &lea($a,&DWP($t,$a,$tmp2,1));
123
124 &add($b,$c); # MOVED FORWARD
125 &xor($tmp1,$d); # H function - part 2
126
127 &xor($tmp1,$b); # H function - part 3
128 &mov($tmp2,&DWP($xo[$ki+1]*4,$K,"",0)) if ($pos != 2);
129
130 &add($a,$tmp1);
131 &mov($tmp1,&Np($c)) if $pos < 1; # H function - part 1
132 &mov($tmp1,-1) if $pos == 1; # I function - part 1
133
134 &rotl($a,$s);
135
136 &add($a,$b);
137 }
138 }
139
140sub R3
141 {
142 local($pos,$a,$b,$c,$d,$K,$ki,$s,$t)=@_;
143
144 &comment("R3 $ki");
145
146 # &not($tmp1)
147 &xor($tmp1,$d) if $pos < 0; # I function - part 2
148
149 &or($tmp1,$b); # I function - part 3
150 &lea($a,&DWP($t,$a,$tmp2,1));
151
152 &xor($tmp1,$c); # I function - part 4
153 &mov($tmp2,&DWP($xo[$ki+1]*4,$K,"",0)) if $pos != 2; # load X/k value
154 &mov($tmp2,&wparam(0)) if $pos == 2;
155
156 &add($a,$tmp1);
157 &mov($tmp1,-1) if $pos < 1; # H function - part 1
158 &add($K,64) if $pos >=1 && !$normal;
159
160 &rotl($a,$s);
161
162 &xor($tmp1,&Np($d)) if $pos <= 0; # I function - part = first time
163 &mov($tmp1,&DWP( 0,$tmp2,"",0)) if $pos > 0;
164 &add($a,$b);
165 }
166
167
168sub md5_block
169 {
170 local($name)=@_;
171
172 &function_begin_B($name,"",3);
173
174 # parameter 1 is the MD5_CTX structure.
175 # A 0
176 # B 4
177 # C 8
178 # D 12
179
180 &push("esi");
181 &push("edi");
182 &mov($tmp1, &wparam(0)); # edi
183 &mov($X, &wparam(1)); # esi
184 &mov($C, &wparam(2));
185 &push("ebp");
186 &shl($C, 6);
187 &push("ebx");
188 &add($C, $X); # offset we end at
189 &sub($C, 64);
190 &mov($A, &DWP( 0,$tmp1,"",0));
191 &push($C); # Put on the TOS
192 &mov($B, &DWP( 4,$tmp1,"",0));
193 &mov($C, &DWP( 8,$tmp1,"",0));
194 &mov($D, &DWP(12,$tmp1,"",0));
195
196 &set_label("start") unless $normal;
197 &comment("");
198 &comment("R0 section");
199
200 &R0(-2,$A,$B,$C,$D,$X, 0, 7,0xd76aa478);
201 &R0( 0,$D,$A,$B,$C,$X, 1,12,0xe8c7b756);
202 &R0( 0,$C,$D,$A,$B,$X, 2,17,0x242070db);
203 &R0( 0,$B,$C,$D,$A,$X, 3,22,0xc1bdceee);
204 &R0( 0,$A,$B,$C,$D,$X, 4, 7,0xf57c0faf);
205 &R0( 0,$D,$A,$B,$C,$X, 5,12,0x4787c62a);
206 &R0( 0,$C,$D,$A,$B,$X, 6,17,0xa8304613);
207 &R0( 0,$B,$C,$D,$A,$X, 7,22,0xfd469501);
208 &R0( 0,$A,$B,$C,$D,$X, 8, 7,0x698098d8);
209 &R0( 0,$D,$A,$B,$C,$X, 9,12,0x8b44f7af);
210 &R0( 0,$C,$D,$A,$B,$X,10,17,0xffff5bb1);
211 &R0( 0,$B,$C,$D,$A,$X,11,22,0x895cd7be);
212 &R0( 0,$A,$B,$C,$D,$X,12, 7,0x6b901122);
213 &R0( 0,$D,$A,$B,$C,$X,13,12,0xfd987193);
214 &R0( 0,$C,$D,$A,$B,$X,14,17,0xa679438e);
215 &R0( 1,$B,$C,$D,$A,$X,15,22,0x49b40821);
216
217 &comment("");
218 &comment("R1 section");
219 &R1(-1,$A,$B,$C,$D,$X,16, 5,0xf61e2562);
220 &R1( 0,$D,$A,$B,$C,$X,17, 9,0xc040b340);
221 &R1( 0,$C,$D,$A,$B,$X,18,14,0x265e5a51);
222 &R1( 0,$B,$C,$D,$A,$X,19,20,0xe9b6c7aa);
223 &R1( 0,$A,$B,$C,$D,$X,20, 5,0xd62f105d);
224 &R1( 0,$D,$A,$B,$C,$X,21, 9,0x02441453);
225 &R1( 0,$C,$D,$A,$B,$X,22,14,0xd8a1e681);
226 &R1( 0,$B,$C,$D,$A,$X,23,20,0xe7d3fbc8);
227 &R1( 0,$A,$B,$C,$D,$X,24, 5,0x21e1cde6);
228 &R1( 0,$D,$A,$B,$C,$X,25, 9,0xc33707d6);
229 &R1( 0,$C,$D,$A,$B,$X,26,14,0xf4d50d87);
230 &R1( 0,$B,$C,$D,$A,$X,27,20,0x455a14ed);
231 &R1( 0,$A,$B,$C,$D,$X,28, 5,0xa9e3e905);
232 &R1( 0,$D,$A,$B,$C,$X,29, 9,0xfcefa3f8);
233 &R1( 0,$C,$D,$A,$B,$X,30,14,0x676f02d9);
234 &R1( 1,$B,$C,$D,$A,$X,31,20,0x8d2a4c8a);
235
236 &comment("");
237 &comment("R2 section");
238 &R2( 0,-1,$A,$B,$C,$D,$X,32, 4,0xfffa3942);
239 &R2( 1, 0,$D,$A,$B,$C,$X,33,11,0x8771f681);
240 &R2( 2, 0,$C,$D,$A,$B,$X,34,16,0x6d9d6122);
241 &R2( 3, 0,$B,$C,$D,$A,$X,35,23,0xfde5380c);
242 &R2( 4, 0,$A,$B,$C,$D,$X,36, 4,0xa4beea44);
243 &R2( 5, 0,$D,$A,$B,$C,$X,37,11,0x4bdecfa9);
244 &R2( 6, 0,$C,$D,$A,$B,$X,38,16,0xf6bb4b60);
245 &R2( 7, 0,$B,$C,$D,$A,$X,39,23,0xbebfbc70);
246 &R2( 8, 0,$A,$B,$C,$D,$X,40, 4,0x289b7ec6);
247 &R2( 9, 0,$D,$A,$B,$C,$X,41,11,0xeaa127fa);
248 &R2(10, 0,$C,$D,$A,$B,$X,42,16,0xd4ef3085);
249 &R2(11, 0,$B,$C,$D,$A,$X,43,23,0x04881d05);
250 &R2(12, 0,$A,$B,$C,$D,$X,44, 4,0xd9d4d039);
251 &R2(13, 0,$D,$A,$B,$C,$X,45,11,0xe6db99e5);
252 &R2(14, 0,$C,$D,$A,$B,$X,46,16,0x1fa27cf8);
253 &R2(15, 1,$B,$C,$D,$A,$X,47,23,0xc4ac5665);
254
255 &comment("");
256 &comment("R3 section");
257 &R3(-1,$A,$B,$C,$D,$X,48, 6,0xf4292244);
258 &R3( 0,$D,$A,$B,$C,$X,49,10,0x432aff97);
259 &R3( 0,$C,$D,$A,$B,$X,50,15,0xab9423a7);
260 &R3( 0,$B,$C,$D,$A,$X,51,21,0xfc93a039);
261 &R3( 0,$A,$B,$C,$D,$X,52, 6,0x655b59c3);
262 &R3( 0,$D,$A,$B,$C,$X,53,10,0x8f0ccc92);
263 &R3( 0,$C,$D,$A,$B,$X,54,15,0xffeff47d);
264 &R3( 0,$B,$C,$D,$A,$X,55,21,0x85845dd1);
265 &R3( 0,$A,$B,$C,$D,$X,56, 6,0x6fa87e4f);
266 &R3( 0,$D,$A,$B,$C,$X,57,10,0xfe2ce6e0);
267 &R3( 0,$C,$D,$A,$B,$X,58,15,0xa3014314);
268 &R3( 0,$B,$C,$D,$A,$X,59,21,0x4e0811a1);
269 &R3( 0,$A,$B,$C,$D,$X,60, 6,0xf7537e82);
270 &R3( 0,$D,$A,$B,$C,$X,61,10,0xbd3af235);
271 &R3( 0,$C,$D,$A,$B,$X,62,15,0x2ad7d2bb);
272 &R3( 2,$B,$C,$D,$A,$X,63,21,0xeb86d391);
273
274 # &mov($tmp2,&wparam(0)); # done in the last R3
275 # &mov($tmp1, &DWP( 0,$tmp2,"",0)); # done is the last R3
276
277 &add($A,$tmp1);
278 &mov($tmp1, &DWP( 4,$tmp2,"",0));
279
280 &add($B,$tmp1);
281 &mov($tmp1, &DWP( 8,$tmp2,"",0));
282
283 &add($C,$tmp1);
284 &mov($tmp1, &DWP(12,$tmp2,"",0));
285
286 &add($D,$tmp1);
287 &mov(&DWP( 0,$tmp2,"",0),$A);
288
289 &mov(&DWP( 4,$tmp2,"",0),$B);
290 &mov($tmp1,&swtmp(0)) unless $normal;
291
292 &mov(&DWP( 8,$tmp2,"",0),$C);
293 &mov(&DWP(12,$tmp2,"",0),$D);
294
295 &cmp($tmp1,$X) unless $normal; # check count
296 &jae(&label("start")) unless $normal;
297
298 &pop("eax"); # pop the temp variable off the stack
299 &pop("ebx");
300 &pop("ebp");
301 &pop("edi");
302 &pop("esi");
303 &ret();
304 &function_end_B($name);
305 }
306
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