diff options
Diffstat (limited to 'openssl/crypto/des/asm/crypt586.pl')
| -rw-r--r-- | openssl/crypto/des/asm/crypt586.pl | 209 |
1 files changed, 0 insertions, 209 deletions
diff --git a/openssl/crypto/des/asm/crypt586.pl b/openssl/crypto/des/asm/crypt586.pl deleted file mode 100644 index e36f7d44..00000000 --- a/openssl/crypto/des/asm/crypt586.pl +++ /dev/null @@ -1,209 +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. -# - -$0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1; -push(@INC,"${dir}","${dir}../../perlasm"); -require "x86asm.pl"; - -&asm_init($ARGV[0],"crypt586.pl"); - -$L="edi"; -$R="esi"; - -&external_label("DES_SPtrans"); -&fcrypt_body("fcrypt_body"); -&asm_finish(); - -sub fcrypt_body - { - local($name,$do_ip)=@_; - - &function_begin($name); - - &comment(""); - &comment("Load the 2 words"); - $trans="ebp"; - - &xor( $L, $L); - &xor( $R, $R); - - # PIC-ification:-) - &picmeup("edx","DES_SPtrans"); - #if ($cpp) { &picmeup("edx","DES_SPtrans"); } - #else { &lea("edx",&DWP("DES_SPtrans")); } - &push("edx"); # becomes &swtmp(1) - # - &mov($trans,&wparam(1)); # reloaded with DES_SPtrans in D_ENCRYPT - - &push(&DWC(25)); # add a variable - - &set_label("start"); - for ($i=0; $i<16; $i+=2) - { - &comment(""); - &comment("Round $i"); - &D_ENCRYPT($i,$L,$R,$i*2,$trans,"eax","ebx","ecx","edx"); - - &comment(""); - &comment("Round ".sprintf("%d",$i+1)); - &D_ENCRYPT($i+1,$R,$L,($i+1)*2,$trans,"eax","ebx","ecx","edx"); - } - &mov("ebx", &swtmp(0)); - &mov("eax", $L); - &dec("ebx"); - &mov($L, $R); - &mov($R, "eax"); - &mov(&swtmp(0), "ebx"); - &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),$L); - - &add("esp",8); # remove variables - - &function_end($name); - } - -sub D_ENCRYPT - { - local($r,$L,$R,$S,$trans,$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),$trans,"",0)); # 2 - &xor( $u, $tmp1); - &mov( $tmp2, &DWP(&n2a(($S+1)*4),$trans,"",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( $trans, &swtmp(1)); - &xor( $L, &DWP(" ",$trans,$tmp1,0)); - &movb( &LB($tmp1), &LB($t) ); - &xor( $L, &DWP("0x200",$trans,$tmp2,0)); - &movb( &LB($tmp2), &HB($t) ); - &shr( $u, 16); - &xor( $L, &DWP("0x100",$trans,$tmp1,0)); - &movb( &LB($tmp1), &HB($u) ); - &shr( $t, 16); - &xor( $L, &DWP("0x300",$trans,$tmp2,0)); - &movb( &LB($tmp2), &HB($t) ); - &and( $u, "0xff" ); - &and( $t, "0xff" ); - &mov( $tmp1, &DWP("0x600",$trans,$tmp1,0)); - &xor( $L, $tmp1); - &mov( $tmp1, &DWP("0x700",$trans,$tmp2,0)); - &xor( $L, $tmp1); - &mov( $tmp1, &DWP("0x400",$trans,$u,0)); - &xor( $L, $tmp1); - &mov( $tmp1, &DWP("0x500",$trans,$t,0)); - &xor( $L, $tmp1); - &mov( $trans, &wparam(1)); - } - -sub n2a - { - sprintf("%d",$_[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); - } - |