diff options
Diffstat (limited to 'openssl/crypto/des/asm/des686.pl')
| -rw-r--r-- | openssl/crypto/des/asm/des686.pl | 230 |
1 files changed, 0 insertions, 230 deletions
diff --git a/openssl/crypto/des/asm/des686.pl b/openssl/crypto/des/asm/des686.pl deleted file mode 100644 index d3ad5d5ed..000000000 --- a/openssl/crypto/des/asm/des686.pl +++ /dev/null @@ -1,230 +0,0 @@ -#!/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"; -$R="esi"; - -&DES_encrypt("DES_encrypt1",1); -&DES_encrypt("DES_encrypt2",0); - -&DES_encrypt3("DES_encrypt3",1); -&DES_encrypt3("DES_decrypt3",0); - -&file_end(); - -sub DES_encrypt - { - local($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]); - } |