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Diffstat (limited to 'crypto/bf/asm/bf-686.pl')
-rw-r--r--crypto/bf/asm/bf-686.pl127
1 files changed, 0 insertions, 127 deletions
diff --git a/crypto/bf/asm/bf-686.pl b/crypto/bf/asm/bf-686.pl
deleted file mode 100644
index 8e4c25f598..0000000000
--- a/crypto/bf/asm/bf-686.pl
+++ /dev/null
@@ -1,127 +0,0 @@
-#!/usr/local/bin/perl
-
-push(@INC,"perlasm","../../perlasm");
-require "x86asm.pl";
-require "cbc.pl";
-
-&asm_init($ARGV[0],"bf-686.pl");
-
-$BF_ROUNDS=16;
-$BF_OFF=($BF_ROUNDS+2)*4;
-$L="ecx";
-$R="edx";
-$P="edi";
-$tot="esi";
-$tmp1="eax";
-$tmp2="ebx";
-$tmp3="ebp";
-
-&des_encrypt("BF_encrypt",1);
-&des_encrypt("BF_decrypt",0);
-&cbc("BF_cbc_encrypt","BF_encrypt","BF_decrypt",1,4,5,3,-1,-1);
-
-&asm_finish();
-
-&file_end();
-
-sub des_encrypt
- {
- local($name,$enc)=@_;
-
- &function_begin($name,"");
-
- &comment("");
- &comment("Load the 2 words");
- &mov("eax",&wparam(0));
- &mov($L,&DWP(0,"eax","",0));
- &mov($R,&DWP(4,"eax","",0));
-
- &comment("");
- &comment("P pointer, s and enc flag");
- &mov($P,&wparam(1));
-
- &xor( $tmp1, $tmp1);
- &xor( $tmp2, $tmp2);
-
- # encrypting part
-
- if ($enc)
- {
- &xor($L,&DWP(0,$P,"",0));
- for ($i=0; $i<$BF_ROUNDS; $i+=2)
- {
- &comment("");
- &comment("Round $i");
- &BF_ENCRYPT($i+1,$R,$L,$P,$tot,$tmp1,$tmp2,$tmp3);
-
- &comment("");
- &comment("Round ".sprintf("%d",$i+1));
- &BF_ENCRYPT($i+2,$L,$R,$P,$tot,$tmp1,$tmp2,$tmp3);
- }
- &xor($R,&DWP(($BF_ROUNDS+1)*4,$P,"",0));
-
- &mov("eax",&wparam(0));
- &mov(&DWP(0,"eax","",0),$R);
- &mov(&DWP(4,"eax","",0),$L);
- &function_end_A($name);
- }
- else
- {
- &xor($L,&DWP(($BF_ROUNDS+1)*4,$P,"",0));
- for ($i=$BF_ROUNDS; $i>0; $i-=2)
- {
- &comment("");
- &comment("Round $i");
- &BF_ENCRYPT($i,$R,$L,$P,$tot,$tmp1,$tmp2,$tmp3);
- &comment("");
- &comment("Round ".sprintf("%d",$i-1));
- &BF_ENCRYPT($i-1,$L,$R,$P,$tot,$tmp1,$tmp2,$tmp3);
- }
- &xor($R,&DWP(0,$P,"",0));
-
- &mov("eax",&wparam(0));
- &mov(&DWP(0,"eax","",0),$R);
- &mov(&DWP(4,"eax","",0),$L);
- &function_end_A($name);
- }
-
- &function_end_B($name);
- }
-
-sub BF_ENCRYPT
- {
- local($i,$L,$R,$P,$tot,$tmp1,$tmp2,$tmp3)=@_;
-
- &rotr( $R, 16);
- &mov( $tot, &DWP(&n2a($i*4),$P,"",0));
-
- &movb( &LB($tmp1), &HB($R));
- &movb( &LB($tmp2), &LB($R));
-
- &rotr( $R, 16);
- &xor( $L, $tot);
-
- &mov( $tot, &DWP(&n2a($BF_OFF+0x0000),$P,$tmp1,4));
- &mov( $tmp3, &DWP(&n2a($BF_OFF+0x0400),$P,$tmp2,4));
-
- &movb( &LB($tmp1), &HB($R));
- &movb( &LB($tmp2), &LB($R));
-
- &add( $tot, $tmp3);
- &mov( $tmp1, &DWP(&n2a($BF_OFF+0x0800),$P,$tmp1,4)); # delay
-
- &xor( $tot, $tmp1);
- &mov( $tmp3, &DWP(&n2a($BF_OFF+0x0C00),$P,$tmp2,4));
-
- &add( $tot, $tmp3);
- &xor( $tmp1, $tmp1);
-
- &xor( $L, $tot);
- # delay
- }
-
-sub n2a
- {
- sprintf("%d",$_[0]);
- }
-