| OLD | NEW |
|---|
| (Empty) |
| 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 | |
| 10 $0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1; | |
| 11 push(@INC,"${dir}","${dir}../../perlasm"); | |
| 12 require "x86asm.pl"; | |
| 13 | |
| 14 &asm_init($ARGV[0],$0); | |
| 15 | |
| 16 $A="eax"; | |
| 17 $B="ebx"; | |
| 18 $C="ecx"; | |
| 19 $D="edx"; | |
| 20 $tmp1="edi"; | |
| 21 $tmp2="ebp"; | |
| 22 $X="esi"; | |
| 23 | |
| 24 # What we need to load into $tmp for the next round | |
| 25 %Ltmp1=("R0",&Np($C), "R1",&Np($C), "R2",&Np($C), "R3",&Np($D)); | |
| 26 @xo=( | |
| 27 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, # R0 | |
| 28 1, 6, 11, 0, 5, 10, 15, 4, 9, 14, 3, 8, 13, 2, 7, 12, # R1 | |
| 29 5, 8, 11, 14, 1, 4, 7, 10, 13, 0, 3, 6, 9, 12, 15, 2, # R2 | |
| 30 0, 7, 14, 5, 12, 3, 10, 1, 8, 15, 6, 13, 4, 11, 2, 9, # R3 | |
| 31 ); | |
| 32 | |
| 33 &md5_block("md5_block_asm_data_order"); | |
| 34 &asm_finish(); | |
| 35 | |
| 36 sub Np | |
| 37 { | |
| 38 local($p)=@_; | |
| 39 local(%n)=($A,$D,$B,$A,$C,$B,$D,$C); | |
| 40 return($n{$p}); | |
| 41 } | |
| 42 | |
| 43 sub R0 | |
| 44 { | |
| 45 local($pos,$a,$b,$c,$d,$K,$ki,$s,$t)=@_; | |
| 46 | |
| 47 &mov($tmp1,$C) if $pos < 0; | |
| 48 &mov($tmp2,&DWP($xo[$ki]*4,$K,"",0)) if $pos < 0; # very first one | |
| 49 | |
| 50 # body proper | |
| 51 | |
| 52 &comment("R0 $ki"); | |
| 53 &xor($tmp1,$d); # F function - part 2 | |
| 54 | |
| 55 &and($tmp1,$b); # F function - part 3 | |
| 56 &lea($a,&DWP($t,$a,$tmp2,1)); | |
| 57 | |
| 58 &xor($tmp1,$d); # F function - part 4 | |
| 59 | |
| 60 &add($a,$tmp1); | |
| 61 &mov($tmp1,&Np($c)) if $pos < 1; # next tmp1 for R0 | |
| 62 &mov($tmp1,&Np($c)) if $pos == 1; # next tmp1 for R1 | |
| 63 | |
| 64 &rotl($a,$s); | |
| 65 | |
| 66 &mov($tmp2,&DWP($xo[$ki+1]*4,$K,"",0)) if ($pos != 2); | |
| 67 | |
| 68 &add($a,$b); | |
| 69 } | |
| 70 | |
| 71 sub R1 | |
| 72 { | |
| 73 local($pos,$a,$b,$c,$d,$K,$ki,$s,$t)=@_; | |
| 74 | |
| 75 &comment("R1 $ki"); | |
| 76 | |
| 77 &lea($a,&DWP($t,$a,$tmp2,1)); | |
| 78 | |
| 79 &xor($tmp1,$b); # G function - part 2 | |
| 80 &and($tmp1,$d); # G function - part 3 | |
| 81 | |
| 82 &mov($tmp2,&DWP($xo[$ki+1]*4,$K,"",0)) if ($pos != 2); | |
| 83 &xor($tmp1,$c); # G function - part 4 | |
| 84 | |
| 85 &add($a,$tmp1); | |
| 86 &mov($tmp1,&Np($c)) if $pos < 1; # G function - part 1 | |
| 87 &mov($tmp1,&Np($c)) if $pos == 1; # G function - part 1 | |
| 88 | |
| 89 &rotl($a,$s); | |
| 90 | |
| 91 &add($a,$b); | |
| 92 } | |
| 93 | |
| 94 sub R2 | |
| 95 { | |
| 96 local($n,$pos,$a,$b,$c,$d,$K,$ki,$s,$t)=@_; | |
| 97 # This one is different, only 3 logical operations | |
| 98 | |
| 99 if (($n & 1) == 0) | |
| 100 { | |
| 101 &comment("R2 $ki"); | |
| 102 # make sure to do 'D' first, not 'B', else we clash with | |
| 103 # the last add from the previous round. | |
| 104 | |
| 105 &xor($tmp1,$d); # H function - part 2 | |
| 106 | |
| 107 &xor($tmp1,$b); # H function - part 3 | |
| 108 &lea($a,&DWP($t,$a,$tmp2,1)); | |
| 109 | |
| 110 &add($a,$tmp1); | |
| 111 | |
| 112 &rotl($a,$s); | |
| 113 | |
| 114 &mov($tmp2,&DWP($xo[$ki+1]*4,$K,"",0)); | |
| 115 &mov($tmp1,&Np($c)); | |
| 116 } | |
| 117 else | |
| 118 { | |
| 119 &comment("R2 $ki"); | |
| 120 # make sure to do 'D' first, not 'B', else we clash with | |
| 121 # the last add from the previous round. | |
| 122 | |
| 123 &lea($a,&DWP($t,$a,$tmp2,1)); | |
| 124 | |
| 125 &add($b,$c); # MOVED FORWARD | |
| 126 &xor($tmp1,$d); # H function - part 2 | |
| 127 | |
| 128 &xor($tmp1,$b); # H function - part 3 | |
| 129 &mov($tmp2,&DWP($xo[$ki+1]*4,$K,"",0)) if ($pos != 2); | |
| 130 | |
| 131 &add($a,$tmp1); | |
| 132 &mov($tmp1,&Np($c)) if $pos < 1; # H function - part 1 | |
| 133 &mov($tmp1,-1) if $pos == 1; # I function - part 1 | |
| 134 | |
| 135 &rotl($a,$s); | |
| 136 | |
| 137 &add($a,$b); | |
| 138 } | |
| 139 } | |
| 140 | |
| 141 sub R3 | |
| 142 { | |
| 143 local($pos,$a,$b,$c,$d,$K,$ki,$s,$t)=@_; | |
| 144 | |
| 145 &comment("R3 $ki"); | |
| 146 | |
| 147 # ¬($tmp1) | |
| 148 &xor($tmp1,$d) if $pos < 0; # I function - part 2 | |
| 149 | |
| 150 &or($tmp1,$b); # I function - part 3 | |
| 151 &lea($a,&DWP($t,$a,$tmp2,1)); | |
| 152 | |
| 153 &xor($tmp1,$c); # I function - part 4 | |
| 154 &mov($tmp2,&DWP($xo[$ki+1]*4,$K,"",0)) if $pos != 2; # load X/k value | |
| 155 &mov($tmp2,&wparam(0)) if $pos == 2; | |
| 156 | |
| 157 &add($a,$tmp1); | |
| 158 &mov($tmp1,-1) if $pos < 1; # H function - part 1 | |
| 159 &add($K,64) if $pos >=1 && !$normal; | |
| 160 | |
| 161 &rotl($a,$s); | |
| 162 | |
| 163 &xor($tmp1,&Np($d)) if $pos <= 0; # I function - part = first time | |
| 164 &mov($tmp1,&DWP( 0,$tmp2,"",0)) if $pos > 0; | |
| 165 &add($a,$b); | |
| 166 } | |
| 167 | |
| 168 | |
| 169 sub md5_block | |
| 170 { | |
| 171 local($name)=@_; | |
| 172 | |
| 173 &function_begin_B($name,"",3); | |
| 174 | |
| 175 # parameter 1 is the MD5_CTX structure. | |
| 176 # A 0 | |
| 177 # B 4 | |
| 178 # C 8 | |
| 179 # D 12 | |
| 180 | |
| 181 &push("esi"); | |
| 182 &push("edi"); | |
| 183 &mov($tmp1, &wparam(0)); # edi | |
| 184 &mov($X, &wparam(1)); # esi | |
| 185 &mov($C, &wparam(2)); | |
| 186 &push("ebp"); | |
| 187 &shl($C, 6); | |
| 188 &push("ebx"); | |
| 189 &add($C, $X); # offset we end at | |
| 190 &sub($C, 64); | |
| 191 &mov($A, &DWP( 0,$tmp1,"",0)); | |
| 192 &push($C); # Put on the TOS | |
| 193 &mov($B, &DWP( 4,$tmp1,"",0)); | |
| 194 &mov($C, &DWP( 8,$tmp1,"",0)); | |
| 195 &mov($D, &DWP(12,$tmp1,"",0)); | |
| 196 | |
| 197 &set_label("start") unless $normal; | |
| 198 &comment(""); | |
| 199 &comment("R0 section"); | |
| 200 | |
| 201 &R0(-2,$A,$B,$C,$D,$X, 0, 7,0xd76aa478); | |
| 202 &R0( 0,$D,$A,$B,$C,$X, 1,12,0xe8c7b756); | |
| 203 &R0( 0,$C,$D,$A,$B,$X, 2,17,0x242070db); | |
| 204 &R0( 0,$B,$C,$D,$A,$X, 3,22,0xc1bdceee); | |
| 205 &R0( 0,$A,$B,$C,$D,$X, 4, 7,0xf57c0faf); | |
| 206 &R0( 0,$D,$A,$B,$C,$X, 5,12,0x4787c62a); | |
| 207 &R0( 0,$C,$D,$A,$B,$X, 6,17,0xa8304613); | |
| 208 &R0( 0,$B,$C,$D,$A,$X, 7,22,0xfd469501); | |
| 209 &R0( 0,$A,$B,$C,$D,$X, 8, 7,0x698098d8); | |
| 210 &R0( 0,$D,$A,$B,$C,$X, 9,12,0x8b44f7af); | |
| 211 &R0( 0,$C,$D,$A,$B,$X,10,17,0xffff5bb1); | |
| 212 &R0( 0,$B,$C,$D,$A,$X,11,22,0x895cd7be); | |
| 213 &R0( 0,$A,$B,$C,$D,$X,12, 7,0x6b901122); | |
| 214 &R0( 0,$D,$A,$B,$C,$X,13,12,0xfd987193); | |
| 215 &R0( 0,$C,$D,$A,$B,$X,14,17,0xa679438e); | |
| 216 &R0( 1,$B,$C,$D,$A,$X,15,22,0x49b40821); | |
| 217 | |
| 218 &comment(""); | |
| 219 &comment("R1 section"); | |
| 220 &R1(-1,$A,$B,$C,$D,$X,16, 5,0xf61e2562); | |
| 221 &R1( 0,$D,$A,$B,$C,$X,17, 9,0xc040b340); | |
| 222 &R1( 0,$C,$D,$A,$B,$X,18,14,0x265e5a51); | |
| 223 &R1( 0,$B,$C,$D,$A,$X,19,20,0xe9b6c7aa); | |
| 224 &R1( 0,$A,$B,$C,$D,$X,20, 5,0xd62f105d); | |
| 225 &R1( 0,$D,$A,$B,$C,$X,21, 9,0x02441453); | |
| 226 &R1( 0,$C,$D,$A,$B,$X,22,14,0xd8a1e681); | |
| 227 &R1( 0,$B,$C,$D,$A,$X,23,20,0xe7d3fbc8); | |
| 228 &R1( 0,$A,$B,$C,$D,$X,24, 5,0x21e1cde6); | |
| 229 &R1( 0,$D,$A,$B,$C,$X,25, 9,0xc33707d6); | |
| 230 &R1( 0,$C,$D,$A,$B,$X,26,14,0xf4d50d87); | |
| 231 &R1( 0,$B,$C,$D,$A,$X,27,20,0x455a14ed); | |
| 232 &R1( 0,$A,$B,$C,$D,$X,28, 5,0xa9e3e905); | |
| 233 &R1( 0,$D,$A,$B,$C,$X,29, 9,0xfcefa3f8); | |
| 234 &R1( 0,$C,$D,$A,$B,$X,30,14,0x676f02d9); | |
| 235 &R1( 1,$B,$C,$D,$A,$X,31,20,0x8d2a4c8a); | |
| 236 | |
| 237 &comment(""); | |
| 238 &comment("R2 section"); | |
| 239 &R2( 0,-1,$A,$B,$C,$D,$X,32, 4,0xfffa3942); | |
| 240 &R2( 1, 0,$D,$A,$B,$C,$X,33,11,0x8771f681); | |
| 241 &R2( 2, 0,$C,$D,$A,$B,$X,34,16,0x6d9d6122); | |
| 242 &R2( 3, 0,$B,$C,$D,$A,$X,35,23,0xfde5380c); | |
| 243 &R2( 4, 0,$A,$B,$C,$D,$X,36, 4,0xa4beea44); | |
| 244 &R2( 5, 0,$D,$A,$B,$C,$X,37,11,0x4bdecfa9); | |
| 245 &R2( 6, 0,$C,$D,$A,$B,$X,38,16,0xf6bb4b60); | |
| 246 &R2( 7, 0,$B,$C,$D,$A,$X,39,23,0xbebfbc70); | |
| 247 &R2( 8, 0,$A,$B,$C,$D,$X,40, 4,0x289b7ec6); | |
| 248 &R2( 9, 0,$D,$A,$B,$C,$X,41,11,0xeaa127fa); | |
| 249 &R2(10, 0,$C,$D,$A,$B,$X,42,16,0xd4ef3085); | |
| 250 &R2(11, 0,$B,$C,$D,$A,$X,43,23,0x04881d05); | |
| 251 &R2(12, 0,$A,$B,$C,$D,$X,44, 4,0xd9d4d039); | |
| 252 &R2(13, 0,$D,$A,$B,$C,$X,45,11,0xe6db99e5); | |
| 253 &R2(14, 0,$C,$D,$A,$B,$X,46,16,0x1fa27cf8); | |
| 254 &R2(15, 1,$B,$C,$D,$A,$X,47,23,0xc4ac5665); | |
| 255 | |
| 256 &comment(""); | |
| 257 &comment("R3 section"); | |
| 258 &R3(-1,$A,$B,$C,$D,$X,48, 6,0xf4292244); | |
| 259 &R3( 0,$D,$A,$B,$C,$X,49,10,0x432aff97); | |
| 260 &R3( 0,$C,$D,$A,$B,$X,50,15,0xab9423a7); | |
| 261 &R3( 0,$B,$C,$D,$A,$X,51,21,0xfc93a039); | |
| 262 &R3( 0,$A,$B,$C,$D,$X,52, 6,0x655b59c3); | |
| 263 &R3( 0,$D,$A,$B,$C,$X,53,10,0x8f0ccc92); | |
| 264 &R3( 0,$C,$D,$A,$B,$X,54,15,0xffeff47d); | |
| 265 &R3( 0,$B,$C,$D,$A,$X,55,21,0x85845dd1); | |
| 266 &R3( 0,$A,$B,$C,$D,$X,56, 6,0x6fa87e4f); | |
| 267 &R3( 0,$D,$A,$B,$C,$X,57,10,0xfe2ce6e0); | |
| 268 &R3( 0,$C,$D,$A,$B,$X,58,15,0xa3014314); | |
| 269 &R3( 0,$B,$C,$D,$A,$X,59,21,0x4e0811a1); | |
| 270 &R3( 0,$A,$B,$C,$D,$X,60, 6,0xf7537e82); | |
| 271 &R3( 0,$D,$A,$B,$C,$X,61,10,0xbd3af235); | |
| 272 &R3( 0,$C,$D,$A,$B,$X,62,15,0x2ad7d2bb); | |
| 273 &R3( 2,$B,$C,$D,$A,$X,63,21,0xeb86d391); | |
| 274 | |
| 275 # &mov($tmp2,&wparam(0)); # done in the last R3 | |
| 276 # &mov($tmp1, &DWP( 0,$tmp2,"",0)); # done is the last R3 | |
| 277 | |
| 278 &add($A,$tmp1); | |
| 279 &mov($tmp1, &DWP( 4,$tmp2,"",0)); | |
| 280 | |
| 281 &add($B,$tmp1); | |
| 282 &mov($tmp1, &DWP( 8,$tmp2,"",0)); | |
| 283 | |
| 284 &add($C,$tmp1); | |
| 285 &mov($tmp1, &DWP(12,$tmp2,"",0)); | |
| 286 | |
| 287 &add($D,$tmp1); | |
| 288 &mov(&DWP( 0,$tmp2,"",0),$A); | |
| 289 | |
| 290 &mov(&DWP( 4,$tmp2,"",0),$B); | |
| 291 &mov($tmp1,&swtmp(0)) unless $normal; | |
| 292 | |
| 293 &mov(&DWP( 8,$tmp2,"",0),$C); | |
| 294 &mov(&DWP(12,$tmp2,"",0),$D); | |
| 295 | |
| 296 &cmp($tmp1,$X) unless $normal; # check count | |
| 297 &jae(&label("start")) unless $normal; | |
| 298 | |
| 299 &pop("eax"); # pop the temp variable off the stack | |
| 300 &pop("ebx"); | |
| 301 &pop("ebp"); | |
| 302 &pop("edi"); | |
| 303 &pop("esi"); | |
| 304 &ret(); | |
| 305 &function_end_B($name); | |
| 306 } | |
| 307 | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 2072073002:
Delete bundled copy of OpenSSL and replace with README. (Closed)
Base URL: https://chromium.googlesource.com/chromium/deps/openssl@master