crypto/openssl-0.9.7e/crypto/md5/asm/md5-586.pl

   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 $normal=0;
   9
  10 push(@INC,"perlasm","../../perlasm");
  11 require "x86asm.pl";
  12
  13 &asm_init($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($D));
  25 @xo=(
  26  0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,  # R0
  27  1, 6, 11, 0, 5, 10, 15, 4, 9, 14, 3, 8, 13, 2, 7, 12,  # R1
  28  5, 8, 11, 14, 1, 4, 7, 10, 13, 0, 3, 6, 9, 12, 15, 2,  # R2
  29  0, 7, 14, 5, 12, 3, 10, 1, 8, 15, 6, 13, 4, 11, 2, 9,  # R3
  30  );
  31
  32 &md5_block("md5_block_asm_host_order");
  33 &asm_finish();
  34
  35 sub Np
  36         {
  37         local($p)=@_;
  38         local(%n)=($A,$D,$B,$A,$C,$B,$D,$C);
  39         return($n{$p});
  40         }
  41
  42 sub 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
  70 sub 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,$b);
  91         }
  92
  93 sub R2
  94         {
  95         local($n,$pos,$a,$b,$c,$d,$K,$ki,$s,$t)=@_;
  96         # This one is different, only 3 logical operations
  97
  98 if (($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         }
 116 else
 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,$b);
 137         }
 138         }
 139
 140 sub R3
 141         {
 142         local($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,$b);
 165         }
 166
 167
 168 sub md5_block
 169         {
 170         local($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