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Diffstat (limited to 'main/openssl/crypto/bf/asm')
-rw-r--r--main/openssl/crypto/bf/asm/bf-586.pl137
-rw-r--r--main/openssl/crypto/bf/asm/bf-686.pl127
2 files changed, 264 insertions, 0 deletions
diff --git a/main/openssl/crypto/bf/asm/bf-586.pl b/main/openssl/crypto/bf/asm/bf-586.pl
new file mode 100644
index 00000000..b74cfbaf
--- /dev/null
+++ b/main/openssl/crypto/bf/asm/bf-586.pl
@@ -0,0 +1,137 @@
+#!/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]);
+ }
+
diff --git a/main/openssl/crypto/bf/asm/bf-686.pl b/main/openssl/crypto/bf/asm/bf-686.pl
new file mode 100644
index 00000000..8e4c25f5
--- /dev/null
+++ b/main/openssl/crypto/bf/asm/bf-686.pl
@@ -0,0 +1,127 @@
+#!/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]);
+ }
+
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