diff options
Diffstat (limited to 'openssl/crypto/bf/asm/bf-586.pl')
-rw-r--r-- | openssl/crypto/bf/asm/bf-586.pl | 137 |
1 files changed, 0 insertions, 137 deletions
diff --git a/openssl/crypto/bf/asm/bf-586.pl b/openssl/crypto/bf/asm/bf-586.pl deleted file mode 100644 index b74cfbaf..00000000 --- a/openssl/crypto/bf/asm/bf-586.pl +++ /dev/null @@ -1,137 +0,0 @@ -#!/usr/local/bin/perl - -$0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1; -push(@INC,"${dir}","${dir}../../perlasm"); -require "x86asm.pl"; -require "cbc.pl"; - -&asm_init($ARGV[0],"bf-586.pl",$ARGV[$#ARGV] eq "386"); - -$BF_ROUNDS=16; -$BF_OFF=($BF_ROUNDS+2)*4; -$L="edi"; -$R="esi"; -$P="ebp"; -$tmp1="eax"; -$tmp2="ebx"; -$tmp3="ecx"; -$tmp4="edx"; - -&BF_encrypt("BF_encrypt",1); -&BF_encrypt("BF_decrypt",0); -&cbc("BF_cbc_encrypt","BF_encrypt","BF_decrypt",1,4,5,3,-1,-1); -&asm_finish(); - -sub BF_encrypt - { - local($name,$enc)=@_; - - &function_begin_B($name,""); - - &comment(""); - - &push("ebp"); - &push("ebx"); - &mov($tmp2,&wparam(0)); - &mov($P,&wparam(1)); - &push("esi"); - &push("edi"); - - &comment("Load the 2 words"); - &mov($L,&DWP(0,$tmp2,"",0)); - &mov($R,&DWP(4,$tmp2,"",0)); - - &xor( $tmp1, $tmp1); - - # encrypting part - - if ($enc) - { - &mov($tmp2,&DWP(0,$P,"",0)); - &xor( $tmp3, $tmp3); - - &xor($L,$tmp2); - for ($i=0; $i<$BF_ROUNDS; $i+=2) - { - &comment(""); - &comment("Round $i"); - &BF_ENCRYPT($i+1,$R,$L,$P,$tmp1,$tmp2,$tmp3,$tmp4,1); - - &comment(""); - &comment("Round ".sprintf("%d",$i+1)); - &BF_ENCRYPT($i+2,$L,$R,$P,$tmp1,$tmp2,$tmp3,$tmp4,1); - } - # &mov($tmp1,&wparam(0)); In last loop - &mov($tmp4,&DWP(($BF_ROUNDS+1)*4,$P,"",0)); - } - else - { - &mov($tmp2,&DWP(($BF_ROUNDS+1)*4,$P,"",0)); - &xor( $tmp3, $tmp3); - - &xor($L,$tmp2); - for ($i=$BF_ROUNDS; $i>0; $i-=2) - { - &comment(""); - &comment("Round $i"); - &BF_ENCRYPT($i,$R,$L,$P,$tmp1,$tmp2,$tmp3,$tmp4,0); - &comment(""); - &comment("Round ".sprintf("%d",$i-1)); - &BF_ENCRYPT($i-1,$L,$R,$P,$tmp1,$tmp2,$tmp3,$tmp4,0); - } - # &mov($tmp1,&wparam(0)); In last loop - &mov($tmp4,&DWP(0,$P,"",0)); - } - - &xor($R,$tmp4); - &mov(&DWP(4,$tmp1,"",0),$L); - - &mov(&DWP(0,$tmp1,"",0),$R); - &function_end($name); - } - -sub BF_ENCRYPT - { - local($i,$L,$R,$P,$tmp1,$tmp2,$tmp3,$tmp4,$enc)=@_; - - &mov( $tmp4, &DWP(&n2a($i*4),$P,"",0)); # for next round - - &mov( $tmp2, $R); - &xor( $L, $tmp4); - - &shr( $tmp2, 16); - &mov( $tmp4, $R); - - &movb( &LB($tmp1), &HB($tmp2)); # A - &and( $tmp2, 0xff); # B - - &movb( &LB($tmp3), &HB($tmp4)); # C - &and( $tmp4, 0xff); # D - - &mov( $tmp1, &DWP(&n2a($BF_OFF+0x0000),$P,$tmp1,4)); - &mov( $tmp2, &DWP(&n2a($BF_OFF+0x0400),$P,$tmp2,4)); - - &add( $tmp2, $tmp1); - &mov( $tmp1, &DWP(&n2a($BF_OFF+0x0800),$P,$tmp3,4)); - - &xor( $tmp2, $tmp1); - &mov( $tmp4, &DWP(&n2a($BF_OFF+0x0C00),$P,$tmp4,4)); - - &add( $tmp2, $tmp4); - if (($enc && ($i != 16)) || ((!$enc) && ($i != 1))) - { &xor( $tmp1, $tmp1); } - else - { - &comment("Load parameter 0 ($i) enc=$enc"); - &mov($tmp1,&wparam(0)); - } # In last loop - - &xor( $L, $tmp2); - # delay - } - -sub n2a - { - sprintf("%d",$_[0]); - } - |