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Diffstat (limited to 'crypto/des/asm/des686.pl')
-rw-r--r--crypto/des/asm/des686.pl458
1 files changed, 229 insertions, 229 deletions
diff --git a/crypto/des/asm/des686.pl b/crypto/des/asm/des686.pl
index efd9f592e9..77dc5b51cd 100644
--- a/crypto/des/asm/des686.pl
+++ b/crypto/des/asm/des686.pl
@@ -1,230 +1,230 @@
#!/usr/local/bin/perl
-
-$prog="des686.pl";
-
-# base code is in microsft
-# op dest, source
-# format.
-#
-
-# WILL NOT WORK ANYMORE WITH desboth.pl
-require "desboth.pl";
-
-if ( ($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";
-$R="esi";
-
-&des_encrypt("des_encrypt",1);
-&des_encrypt("des_encrypt2",0);
-
-&des_encrypt3("des_encrypt3",1);
-&des_encrypt3("des_decrypt3",0);
-
-&file_end();
-
-sub des_encrypt
- {
- local($name,$do_ip)=@_;
-
- &function_begin($name,3,"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($L,$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 ($do_ip)
- {
- &comment("");
- &comment("FP");
- &FP($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, $tt );
- }
-
-sub IP
- {
- local($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,$tt, 1,"0x55555555");
- }
-
-sub FP
- {
- local($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]);
- }
+
+$prog="des686.pl";
+
+# base code is in microsft
+# op dest, source
+# format.
+#
+
+# WILL NOT WORK ANYMORE WITH desboth.pl
+require "desboth.pl";
+
+if ( ($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";
+$R="esi";
+
+&des_encrypt("des_encrypt",1);
+&des_encrypt("des_encrypt2",0);
+
+&des_encrypt3("des_encrypt3",1);
+&des_encrypt3("des_decrypt3",0);
+
+&file_end();
+
+sub des_encrypt
+ {
+ local($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]);
+ }
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