#!/usr/local/bin/perl
-\r
-$prog="des686.pl";\r
-\r
-# base code is in microsft\r
-# op dest, source\r
-# format.\r
-#\r
-\r
-# WILL NOT WORK ANYMORE WITH desboth.pl\r
-require "desboth.pl";\r
-\r
-if ( ($ARGV[0] eq "elf"))\r
- { require "x86unix.pl"; }\r
-elsif ( ($ARGV[0] eq "a.out"))\r
- { $aout=1; require "x86unix.pl"; }\r
-elsif ( ($ARGV[0] eq "sol"))\r
- { $sol=1; require "x86unix.pl"; }\r
-elsif ( ($ARGV[0] eq "cpp"))\r
- { $cpp=1; require "x86unix.pl"; }\r
-elsif ( ($ARGV[0] eq "win32"))\r
- { require "x86ms.pl"; }\r
-else\r
- {\r
- print STDERR <<"EOF";\r
-Pick one target type from\r
- elf - linux, FreeBSD etc\r
- a.out - old linux\r
- sol - x86 solaris\r
- cpp - format so x86unix.cpp can be used\r
- win32 - Windows 95/Windows NT\r
-EOF\r
- exit(1);\r
- }\r
-\r
-&comment("Don't even think of reading this code");\r
-&comment("It was automatically generated by $prog");\r
-&comment("Which is a perl program used to generate the x86 assember for");\r
-&comment("any of elf, a.out, Win32, or Solaris");\r
-&comment("It can be found in SSLeay 0.6.5+ or in libdes 3.26+");\r
-&comment("eric <eay\@cryptsoft.com>");\r
-&comment("");\r
-\r
-&file("dx86xxxx");\r
-\r
-$L="edi";\r
-$R="esi";\r
-\r
-&des_encrypt("des_encrypt",1);\r
-&des_encrypt("des_encrypt2",0);\r
-\r
-&des_encrypt3("des_encrypt3",1);\r
-&des_encrypt3("des_decrypt3",0);\r
-\r
-&file_end();\r
-\r
-sub des_encrypt\r
- {\r
- local($name,$do_ip)=@_;\r
-\r
- &function_begin($name,3,"EXTRN _des_SPtrans:DWORD");\r
-\r
- &comment("");\r
- &comment("Load the 2 words");\r
- &mov("eax",&wparam(0));\r
- &mov($L,&DWP(0,"eax","",0));\r
- &mov($R,&DWP(4,"eax","",0));\r
-\r
- $ksp=&wparam(1);\r
-\r
- if ($do_ip)\r
- {\r
- &comment("");\r
- &comment("IP");\r
- &IP($L,$R,"eax");\r
- }\r
-\r
- &comment("");\r
- &comment("fixup rotate");\r
- &rotl($R,3);\r
- &rotl($L,3);\r
- &exch($L,$R);\r
-\r
- &comment("");\r
- &comment("load counter, key_schedule and enc flag");\r
- &mov("eax",&wparam(2)); # get encrypt flag\r
- &mov("ebp",&wparam(1)); # get ks\r
- &cmp("eax","0");\r
- &je(&label("start_decrypt"));\r
-\r
- # encrypting part\r
-\r
- for ($i=0; $i<16; $i+=2)\r
- {\r
- &comment("");\r
- &comment("Round $i");\r
- &D_ENCRYPT($L,$R,$i*2,"ebp","des_SPtrans","ecx","edx","eax","ebx");\r
-\r
- &comment("");\r
- &comment("Round ".sprintf("%d",$i+1));\r
- &D_ENCRYPT($R,$L,($i+1)*2,"ebp","des_SPtrans","ecx","edx","eax","ebx");\r
- }\r
- &jmp(&label("end"));\r
-\r
- &set_label("start_decrypt");\r
-\r
- for ($i=15; $i>0; $i-=2)\r
- {\r
- &comment("");\r
- &comment("Round $i");\r
- &D_ENCRYPT($L,$R,$i*2,"ebp","des_SPtrans","ecx","edx","eax","ebx");\r
- &comment("");\r
- &comment("Round ".sprintf("%d",$i-1));\r
- &D_ENCRYPT($R,$L,($i-1)*2,"ebp","des_SPtrans","ecx","edx","eax","ebx");\r
- }\r
-\r
- &set_label("end");\r
-\r
- &comment("");\r
- &comment("Fixup");\r
- &rotr($L,3); # r\r
- &rotr($R,3); # l\r
-\r
- if ($do_ip)\r
- {\r
- &comment("");\r
- &comment("FP");\r
- &FP($R,$L,"eax");\r
- }\r
-\r
- &mov("eax",&wparam(0));\r
- &mov(&DWP(0,"eax","",0),$L);\r
- &mov(&DWP(4,"eax","",0),$R);\r
-\r
- &function_end($name);\r
- }\r
-\r
-\r
-# The logic is to load R into 2 registers and operate on both at the same time.\r
-# We also load the 2 R's into 2 more registers so we can do the 'move word down a byte'\r
-# while also masking the other copy and doing a lookup. We then also accumulate the\r
-# L value in 2 registers then combine them at the end.\r
-sub D_ENCRYPT\r
- {\r
- local($L,$R,$S,$ks,$desSP,$u,$t,$tmp1,$tmp2,$tmp3)=@_;\r
-\r
- &mov( $u, &DWP(&n2a($S*4),$ks,"",0));\r
- &mov( $t, &DWP(&n2a(($S+1)*4),$ks,"",0));\r
- &xor( $u, $R );\r
- &xor( $t, $R );\r
- &rotr( $t, 4 );\r
-\r
- # the numbers at the end of the line are origional instruction order\r
- &mov( $tmp2, $u ); # 1 2\r
- &mov( $tmp1, $t ); # 1 1\r
- &and( $tmp2, "0xfc" ); # 1 4\r
- &and( $tmp1, "0xfc" ); # 1 3\r
- &shr( $t, 8 ); # 1 5\r
- &xor( $L, &DWP("0x100+$desSP",$tmp1,"",0)); # 1 7\r
- &shr( $u, 8 ); # 1 6\r
- &mov( $tmp1, &DWP(" $desSP",$tmp2,"",0)); # 1 8\r
-\r
- &mov( $tmp2, $u ); # 2 2\r
- &xor( $L, $tmp1 ); # 1 9\r
- &and( $tmp2, "0xfc" ); # 2 4\r
- &mov( $tmp1, $t ); # 2 1\r
- &and( $tmp1, "0xfc" ); # 2 3\r
- &shr( $t, 8 ); # 2 5\r
- &xor( $L, &DWP("0x300+$desSP",$tmp1,"",0)); # 2 7\r
- &shr( $u, 8 ); # 2 6\r
- &mov( $tmp1, &DWP("0x200+$desSP",$tmp2,"",0)); # 2 8\r
- &mov( $tmp2, $u ); # 3 2\r
-\r
- &xor( $L, $tmp1 ); # 2 9\r
- &and( $tmp2, "0xfc" ); # 3 4\r
-\r
- &mov( $tmp1, $t ); # 3 1 \r
- &shr( $u, 8 ); # 3 6\r
- &and( $tmp1, "0xfc" ); # 3 3\r
- &shr( $t, 8 ); # 3 5\r
- &xor( $L, &DWP("0x500+$desSP",$tmp1,"",0)); # 3 7\r
- &mov( $tmp1, &DWP("0x400+$desSP",$tmp2,"",0)); # 3 8\r
-\r
- &and( $t, "0xfc" ); # 4 1\r
- &xor( $L, $tmp1 ); # 3 9\r
-\r
- &and( $u, "0xfc" ); # 4 2\r
- &xor( $L, &DWP("0x700+$desSP",$t,"",0)); # 4 3\r
- &xor( $L, &DWP("0x600+$desSP",$u,"",0)); # 4 4\r
- }\r
-\r
-sub PERM_OP\r
- {\r
- local($a,$b,$tt,$shift,$mask)=@_;\r
-\r
- &mov( $tt, $a );\r
- &shr( $tt, $shift );\r
- &xor( $tt, $b );\r
- &and( $tt, $mask );\r
- &xor( $b, $tt );\r
- &shl( $tt, $shift );\r
- &xor( $a, $tt );\r
- }\r
-\r
-sub IP\r
- {\r
- local($l,$r,$tt)=@_;\r
-\r
- &PERM_OP($r,$l,$tt, 4,"0x0f0f0f0f");\r
- &PERM_OP($l,$r,$tt,16,"0x0000ffff");\r
- &PERM_OP($r,$l,$tt, 2,"0x33333333");\r
- &PERM_OP($l,$r,$tt, 8,"0x00ff00ff");\r
- &PERM_OP($r,$l,$tt, 1,"0x55555555");\r
- }\r
-\r
-sub FP\r
- {\r
- local($l,$r,$tt)=@_;\r
-\r
- &PERM_OP($l,$r,$tt, 1,"0x55555555");\r
- &PERM_OP($r,$l,$tt, 8,"0x00ff00ff");\r
- &PERM_OP($l,$r,$tt, 2,"0x33333333");\r
- &PERM_OP($r,$l,$tt,16,"0x0000ffff");\r
- &PERM_OP($l,$r,$tt, 4,"0x0f0f0f0f");\r
- }\r
-\r
-sub n2a\r
- {\r
- sprintf("%d",$_[0]);\r
- }\r
+
+$prog="des686.pl";
+
+# base code is in microsft
+# op dest, source
+# format.
+#
+
+# WILL NOT WORK ANYMORE WITH desboth.pl
+require "desboth.pl";
+
+if ( ($ARGV[0] eq "elf"))
+ { require "x86unix.pl"; }
+elsif ( ($ARGV[0] eq "a.out"))
+ { $aout=1; require "x86unix.pl"; }
+elsif ( ($ARGV[0] eq "sol"))
+ { $sol=1; require "x86unix.pl"; }
+elsif ( ($ARGV[0] eq "cpp"))
+ { $cpp=1; require "x86unix.pl"; }
+elsif ( ($ARGV[0] eq "win32"))
+ { require "x86ms.pl"; }
+else
+ {
+ print STDERR <<"EOF";
+Pick one target type from
+ elf - linux, FreeBSD etc
+ a.out - old linux
+ sol - x86 solaris
+ cpp - format so x86unix.cpp can be used
+ win32 - Windows 95/Windows NT
+EOF
+ exit(1);
+ }
+
+&comment("Don't even think of reading this code");
+&comment("It was automatically generated by $prog");
+&comment("Which is a perl program used to generate the x86 assember for");
+&comment("any of elf, a.out, Win32, or Solaris");
+&comment("It can be found in SSLeay 0.6.5+ or in libdes 3.26+");
+&comment("eric <eay\@cryptsoft.com>");
+&comment("");
+
+&file("dx86xxxx");
+
+$L="edi";
+$R="esi";
+
+&DES_encrypt("DES_encrypt1",1);
+&DES_encrypt("DES_encrypt2",0);
+
+&DES_encrypt3("DES_encrypt3",1);
+&DES_encrypt3("DES_decrypt3",0);
+
+&file_end();
+
+sub DES_encrypt
+ {
+ local($name,$do_ip)=@_;
+
+ &function_begin($name,"EXTRN _DES_SPtrans:DWORD");
+
+ &comment("");
+ &comment("Load the 2 words");
+ &mov("eax",&wparam(0));
+ &mov($L,&DWP(0,"eax","",0));
+ &mov($R,&DWP(4,"eax","",0));
+
+ $ksp=&wparam(1);
+
+ if ($do_ip)
+ {
+ &comment("");
+ &comment("IP");
+ &IP_new($L,$R,"eax");
+ }
+
+ &comment("");
+ &comment("fixup rotate");
+ &rotl($R,3);
+ &rotl($L,3);
+ &exch($L,$R);
+
+ &comment("");
+ &comment("load counter, key_schedule and enc flag");
+ &mov("eax",&wparam(2)); # get encrypt flag
+ &mov("ebp",&wparam(1)); # get ks
+ &cmp("eax","0");
+ &je(&label("start_decrypt"));
+
+ # encrypting part
+
+ for ($i=0; $i<16; $i+=2)
+ {
+ &comment("");
+ &comment("Round $i");
+ &D_ENCRYPT($L,$R,$i*2,"ebp","DES_SPtrans","ecx","edx","eax","ebx");
+
+ &comment("");
+ &comment("Round ".sprintf("%d",$i+1));
+ &D_ENCRYPT($R,$L,($i+1)*2,"ebp","DES_SPtrans","ecx","edx","eax","ebx");
+ }
+ &jmp(&label("end"));
+
+ &set_label("start_decrypt");
+
+ for ($i=15; $i>0; $i-=2)
+ {
+ &comment("");
+ &comment("Round $i");
+ &D_ENCRYPT($L,$R,$i*2,"ebp","DES_SPtrans","ecx","edx","eax","ebx");
+ &comment("");
+ &comment("Round ".sprintf("%d",$i-1));
+ &D_ENCRYPT($R,$L,($i-1)*2,"ebp","DES_SPtrans","ecx","edx","eax","ebx");
+ }
+
+ &set_label("end");
+
+ &comment("");
+ &comment("Fixup");
+ &rotr($L,3); # r
+ &rotr($R,3); # l
+
+ if ($do_ip)
+ {
+ &comment("");
+ &comment("FP");
+ &FP_new($R,$L,"eax");
+ }
+
+ &mov("eax",&wparam(0));
+ &mov(&DWP(0,"eax","",0),$L);
+ &mov(&DWP(4,"eax","",0),$R);
+
+ &function_end($name);
+ }
+
+
+# The logic is to load R into 2 registers and operate on both at the same time.
+# We also load the 2 R's into 2 more registers so we can do the 'move word down a byte'
+# while also masking the other copy and doing a lookup. We then also accumulate the
+# L value in 2 registers then combine them at the end.
+sub D_ENCRYPT
+ {
+ local($L,$R,$S,$ks,$desSP,$u,$t,$tmp1,$tmp2,$tmp3)=@_;
+
+ &mov( $u, &DWP(&n2a($S*4),$ks,"",0));
+ &mov( $t, &DWP(&n2a(($S+1)*4),$ks,"",0));
+ &xor( $u, $R );
+ &xor( $t, $R );
+ &rotr( $t, 4 );
+
+ # the numbers at the end of the line are origional instruction order
+ &mov( $tmp2, $u ); # 1 2
+ &mov( $tmp1, $t ); # 1 1
+ &and( $tmp2, "0xfc" ); # 1 4
+ &and( $tmp1, "0xfc" ); # 1 3
+ &shr( $t, 8 ); # 1 5
+ &xor( $L, &DWP("0x100+$desSP",$tmp1,"",0)); # 1 7
+ &shr( $u, 8 ); # 1 6
+ &mov( $tmp1, &DWP(" $desSP",$tmp2,"",0)); # 1 8
+
+ &mov( $tmp2, $u ); # 2 2
+ &xor( $L, $tmp1 ); # 1 9
+ &and( $tmp2, "0xfc" ); # 2 4
+ &mov( $tmp1, $t ); # 2 1
+ &and( $tmp1, "0xfc" ); # 2 3
+ &shr( $t, 8 ); # 2 5
+ &xor( $L, &DWP("0x300+$desSP",$tmp1,"",0)); # 2 7
+ &shr( $u, 8 ); # 2 6
+ &mov( $tmp1, &DWP("0x200+$desSP",$tmp2,"",0)); # 2 8
+ &mov( $tmp2, $u ); # 3 2
+
+ &xor( $L, $tmp1 ); # 2 9
+ &and( $tmp2, "0xfc" ); # 3 4
+
+ &mov( $tmp1, $t ); # 3 1
+ &shr( $u, 8 ); # 3 6
+ &and( $tmp1, "0xfc" ); # 3 3
+ &shr( $t, 8 ); # 3 5
+ &xor( $L, &DWP("0x500+$desSP",$tmp1,"",0)); # 3 7
+ &mov( $tmp1, &DWP("0x400+$desSP",$tmp2,"",0)); # 3 8
+
+ &and( $t, "0xfc" ); # 4 1
+ &xor( $L, $tmp1 ); # 3 9
+
+ &and( $u, "0xfc" ); # 4 2
+ &xor( $L, &DWP("0x700+$desSP",$t,"",0)); # 4 3
+ &xor( $L, &DWP("0x600+$desSP",$u,"",0)); # 4 4
+ }
+
+sub PERM_OP
+ {
+ local($a,$b,$tt,$shift,$mask)=@_;
+
+ &mov( $tt, $a );
+ &shr( $tt, $shift );
+ &xor( $tt, $b );
+ &and( $tt, $mask );
+ &xor( $b, $tt );
+ &shl( $tt, $shift );
+ &xor( $a, $tt );
+ }
+
+sub IP_new
+ {
+ local($l,$r,$tt)=@_;
+
+ &PERM_OP($r,$l,$tt, 4,"0x0f0f0f0f");
+ &PERM_OP($l,$r,$tt,16,"0x0000ffff");
+ &PERM_OP($r,$l,$tt, 2,"0x33333333");
+ &PERM_OP($l,$r,$tt, 8,"0x00ff00ff");
+ &PERM_OP($r,$l,$tt, 1,"0x55555555");
+ }
+
+sub FP_new
+ {
+ local($l,$r,$tt)=@_;
+
+ &PERM_OP($l,$r,$tt, 1,"0x55555555");
+ &PERM_OP($r,$l,$tt, 8,"0x00ff00ff");
+ &PERM_OP($l,$r,$tt, 2,"0x33333333");
+ &PERM_OP($r,$l,$tt,16,"0x0000ffff");
+ &PERM_OP($l,$r,$tt, 4,"0x0f0f0f0f");
+ }
+
+sub n2a
+ {
+ sprintf("%d",$_[0]);
+ }
projects / openssl.git / blobdiff