diff options
Diffstat (limited to 'crypto/des/asm/crypt.pl')
| -rw-r--r-- | crypto/des/asm/crypt.pl | 240 |
1 files changed, 0 insertions, 240 deletions
diff --git a/crypto/des/asm/crypt.pl b/crypto/des/asm/crypt.pl deleted file mode 100644 index 0a7dce00b4..0000000000 --- a/crypto/des/asm/crypt.pl +++ /dev/null @@ -1,240 +0,0 @@ -#!/usr/local/bin/perl -#
-# The inner loop instruction sequence and the IP/FP modifications are from
-# Svend Olaf Mikkelsen <svolaf@inet.uni-c.dk>
-# I've added the stuff needed for crypt() but I've not worried about making
-# things perfect.
-#
-
-$prog="crypt.pl";
-
-# base code is in microsft
-# op dest, source
-# format.
-#
-
-require "desboth.pl";
-
-if ( ($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 $prog");
-&comment("Which is a perl program used to generate the x86 assember for");
-&comment("any of elf, a.out, Win32, or Solaris");
-&comment("It can be found in SSLeay 0.6.5+ or in libdes 3.26+");
-&comment("eric <eay\@cryptsoft.com>");
-&comment("The inner loop instruction sequence and the IP/FP modifications");
-&comment("are from Svend Olaf Mikkelsen <svolaf\@inet.uni-c.dk>");
-
-&comment("");
-
-&file("dx86xxxx");
-
-$L="edi";
-$R="esi";
-
-&fcrypt_body("fcrypt_body");
-
-&file_end();
-
-sub fcrypt_body
- {
- local($name,$do_ip)=@_;
-
- &function_begin($name,3,"EXTRN _des_SPtrans:DWORD");
-
- &comment("");
- &comment("Load the 2 words");
- $ks="ebp";
-
- &xor( $L, $L);
- &xor( $R, $R);
- &mov($ks,&wparam(1));
-
- &mov(&wtmp(1), 25);
-
- &set_label("start");
- for ($i=0; $i<16; $i+=2)
- {
- &comment("");
- &comment("Round $i");
- &D_ENCRYPT($i,$L,$R,$i*2,$ks,"des_SPtrans","eax","ebx","ecx","edx");
-
- &comment("");
- &comment("Round ".sprintf("%d",$i+1));
- &D_ENCRYPT($i+1,$R,$L,($i+1)*2,$ks,"des_SPtrans","eax","ebx","ecx","edx");
- }
- &mov("eax", $L);
- &dec(&wtmp(1));
- &mov($L, $R);
- &mov($R, "eax");
- &jnz(&label("start"));
-
- &comment("");
- &comment("FP");
- &mov("edx",&wparam(0));
-
- &FP_new($R,$L,"eax",3);
- &mov(&DWP(0,"edx","",0),"eax");
- &mov(&DWP(4,"edx","",0),$L);
-
- &function_end($name);
- }
-
-sub D_ENCRYPT
- {
- local($r,$L,$R,$S,$ks,$desSP,$u,$tmp1,$tmp2,$t)=@_;
-
- &mov( $u, &wparam(2)); # 2
- &mov( $t, $R);
- &shr( $t, 16); # 1
- &mov( $tmp2, &wparam(3)); # 2
- &xor( $t, $R); # 1
-
- &and( $u, $t); # 2
- &and( $t, $tmp2); # 2
-
- &mov( $tmp1, $u);
- &shl( $tmp1, 16); # 1
- &mov( $tmp2, $t);
- &shl( $tmp2, 16); # 1
- &xor( $u, $tmp1); # 2
- &xor( $t, $tmp2); # 2
- &mov( $tmp1, &DWP(&n2a($S*4),$ks,"",0)); # 2
- &xor( $u, $tmp1);
- &mov( $tmp2, &DWP(&n2a(($S+1)*4),$ks,"",0)); # 2
- &xor( $u, $R);
- &xor( $t, $R);
- &xor( $t, $tmp2);
-
- &and( $u, "0xfcfcfcfc" ); # 2
- &xor( $tmp1, $tmp1); # 1
- &and( $t, "0xcfcfcfcf" ); # 2
- &xor( $tmp2, $tmp2);
- &movb( &LB($tmp1), &LB($u) );
- &movb( &LB($tmp2), &HB($u) );
- &rotr( $t, 4 );
- &mov( $ks, &DWP(" $desSP",$tmp1,"",0));
- &movb( &LB($tmp1), &LB($t) );
- &xor( $L, $ks);
- &mov( $ks, &DWP("0x200+$desSP",$tmp2,"",0));
- &xor( $L, $ks);
- &movb( &LB($tmp2), &HB($t) );
- &shr( $u, 16);
- &mov( $ks, &DWP("0x100+$desSP",$tmp1,"",0));
- &xor( $L, $ks);
- &movb( &LB($tmp1), &HB($u) );
- &shr( $t, 16);
- &mov( $ks, &DWP("0x300+$desSP",$tmp2,"",0));
- &xor( $L, $ks);
- &mov( $ks, &DWP(24,"esp","",0));
- &movb( &LB($tmp2), &HB($t) );
- &and( $u, "0xff" );
- &and( $t, "0xff" );
- &mov( $tmp1, &DWP("0x600+$desSP",$tmp1,"",0));
- &xor( $L, $tmp1);
- &mov( $tmp1, &DWP("0x700+$desSP",$tmp2,"",0));
- &xor( $L, $tmp1);
- &mov( $tmp1, &DWP("0x400+$desSP",$u,"",0));
- &xor( $L, $tmp1);
- &mov( $tmp1, &DWP("0x500+$desSP",$t,"",0));
- &xor( $L, $tmp1);
- }
-
-sub n2a
- {
- sprintf("%d",$_[0]);
- }
-
-# now has a side affect of rotating $a by $shift
-sub R_PERM_OP
- {
- local($a,$b,$tt,$shift,$mask,$last)=@_;
-
- &rotl( $a, $shift ) if ($shift != 0);
- &mov( $tt, $a );
- &xor( $a, $b );
- &and( $a, $mask );
- if ($notlast eq $b)
- {
- &xor( $b, $a );
- &xor( $tt, $a );
- }
- else
- {
- &xor( $tt, $a );
- &xor( $b, $a );
- }
- &comment("");
- }
-
-sub IP_new
- {
- local($l,$r,$tt,$lr)=@_;
-
- &R_PERM_OP($l,$r,$tt, 4,"0xf0f0f0f0",$l);
- &R_PERM_OP($r,$tt,$l,20,"0xfff0000f",$l);
- &R_PERM_OP($l,$tt,$r,14,"0x33333333",$r);
- &R_PERM_OP($tt,$r,$l,22,"0x03fc03fc",$r);
- &R_PERM_OP($l,$r,$tt, 9,"0xaaaaaaaa",$r);
-
- if ($lr != 3)
- {
- if (($lr-3) < 0)
- { &rotr($tt, 3-$lr); }
- else { &rotl($tt, $lr-3); }
- }
- if ($lr != 2)
- {
- if (($lr-2) < 0)
- { &rotr($r, 2-$lr); }
- else { &rotl($r, $lr-2); }
- }
- }
-
-sub FP_new
- {
- local($l,$r,$tt,$lr)=@_;
-
- if ($lr != 2)
- {
- if (($lr-2) < 0)
- { &rotl($r, 2-$lr); }
- else { &rotr($r, $lr-2); }
- }
- if ($lr != 3)
- {
- if (($lr-3) < 0)
- { &rotl($l, 3-$lr); }
- else { &rotr($l, $lr-3); }
- }
-
- &R_PERM_OP($l,$r,$tt, 0,"0xaaaaaaaa",$r);
- &R_PERM_OP($tt,$r,$l,23,"0x03fc03fc",$r);
- &R_PERM_OP($l,$r,$tt,10,"0x33333333",$l);
- &R_PERM_OP($r,$tt,$l,18,"0xfff0000f",$l);
- &R_PERM_OP($l,$tt,$r,12,"0xf0f0f0f0",$r);
- &rotr($tt , 4);
- }
-
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