diff options
Diffstat (limited to 'crypto/sha/asm/sha1-586.pl')
| -rw-r--r-- | crypto/sha/asm/sha1-586.pl | 430 |
1 files changed, 430 insertions, 0 deletions
diff --git a/crypto/sha/asm/sha1-586.pl b/crypto/sha/asm/sha1-586.pl new file mode 100644 index 000000000000..4f8521f1e2ca --- /dev/null +++ b/crypto/sha/asm/sha1-586.pl @@ -0,0 +1,430 @@ +#!/usr/local/bin/perl + +# It was noted that Intel IA-32 C compiler generates code which +# performs ~30% *faster* on P4 CPU than original *hand-coded* +# SHA1 assembler implementation. To address this problem (and +# prove that humans are still better than machines:-), the +# original code was overhauled, which resulted in following +# performance changes: +# +# compared with original compared with Intel cc +# assembler impl. generated code +# Pentium -16% +48% +# PIII/AMD +8% +16% +# P4 +85%(!) +45% +# +# As you can see Pentium came out as looser:-( Yet I reckoned that +# improvement on P4 outweights the loss and incorporate this +# re-tuned code to 0.9.7 and later. +# ---------------------------------------------------------------- +# Those who for any particular reason absolutely must score on +# Pentium can replace this module with one from 0.9.6 distribution. +# This "offer" shall be revoked the moment programming interface to +# this module is changed, in which case this paragraph should be +# removed. +# ---------------------------------------------------------------- +# <appro@fy.chalmers.se> + +$normal=0; + +push(@INC,"perlasm","../../perlasm"); +require "x86asm.pl"; + +&asm_init($ARGV[0],"sha1-586.pl",$ARGV[$#ARGV] eq "386"); + +$A="eax"; +$B="ecx"; +$C="ebx"; +$D="edx"; +$E="edi"; +$T="esi"; +$tmp1="ebp"; + +$off=9*4; + +@K=(0x5a827999,0x6ed9eba1,0x8f1bbcdc,0xca62c1d6); + +&sha1_block_data("sha1_block_asm_data_order"); + +&asm_finish(); + +sub Nn + { + local($p)=@_; + local(%n)=($A,$T,$B,$A,$C,$B,$D,$C,$E,$D,$T,$E); + return($n{$p}); + } + +sub Np + { + local($p)=@_; + local(%n)=($A,$T,$B,$A,$C,$B,$D,$C,$E,$D,$T,$E); + local(%n)=($A,$B,$B,$C,$C,$D,$D,$E,$E,$T,$T,$A); + return($n{$p}); + } + +sub Na + { + local($n)=@_; + return( (($n )&0x0f), + (($n+ 2)&0x0f), + (($n+ 8)&0x0f), + (($n+13)&0x0f), + (($n+ 1)&0x0f)); + } + +sub X_expand + { + local($in)=@_; + + &comment("First, load the words onto the stack in network byte order"); + for ($i=0; $i<16; $i+=2) + { + &mov($A,&DWP(($i+0)*4,$in,"",0));# unless $i == 0; + &mov($B,&DWP(($i+1)*4,$in,"",0)); + &bswap($A); + &bswap($B); + &mov(&swtmp($i+0),$A); + &mov(&swtmp($i+1),$B); + } + + &comment("We now have the X array on the stack"); + &comment("starting at sp-4"); + } + +# Rules of engagement +# F is always trashable at the start, the running total. +# E becomes the next F so it can be trashed after it has been 'accumulated' +# F becomes A in the next round. We don't need to access it much. +# During the X update part, the result ends up in $X[$n0]. + +sub BODY_00_15 + { + local($pos,$K,$X,$n,$a,$b,$c,$d,$e,$f)=@_; + + &comment("00_15 $n"); + + &mov($f,$c); # f to hold F_00_19(b,c,d) + if ($n==0) { &mov($tmp1,$a); } + else { &mov($a,$tmp1); } + &rotl($tmp1,5); # tmp1=ROTATE(a,5) + &xor($f,$d); + &and($f,$b); + &add($tmp1,$e); # tmp1+=e; + &mov($e,&swtmp($n)); # e becomes volatile and + # is loaded with xi + &xor($f,$d); # f holds F_00_19(b,c,d) + &rotr($b,2); # b=ROTATE(b,30) + &lea($tmp1,&DWP($K,$tmp1,$e,1));# tmp1+=K_00_19+xi + + if ($n==15) { &add($f,$tmp1); } # f+=tmp1 + else { &add($tmp1,$f); } + } + +sub BODY_16_19 + { + local($pos,$K,$X,$n,$a,$b,$c,$d,$e,$f)=@_; + local($n0,$n1,$n2,$n3,$np)=&Na($n); + + &comment("16_19 $n"); + + &mov($f,&swtmp($n1)); # f to hold Xupdate(xi,xa,xb,xc,xd) + &mov($tmp1,$c); # tmp1 to hold F_00_19(b,c,d) + &xor($f,&swtmp($n0)); + &xor($tmp1,$d); + &xor($f,&swtmp($n2)); + &and($tmp1,$b); # tmp1 holds F_00_19(b,c,d) + &rotr($b,2); # b=ROTATE(b,30) + &xor($f,&swtmp($n3)); # f holds xa^xb^xc^xd + &rotl($f,1); # f=ROATE(f,1) + &xor($tmp1,$d); # tmp1=F_00_19(b,c,d) + &mov(&swtmp($n0),$f); # xi=f + &lea($f,&DWP($K,$f,$e,1)); # f+=K_00_19+e + &mov($e,$a); # e becomes volatile + &rotl($e,5); # e=ROTATE(a,5) + &add($f,$tmp1); # f+=F_00_19(b,c,d) + &add($f,$e); # f+=ROTATE(a,5) + } + +sub BODY_20_39 + { + local($pos,$K,$X,$n,$a,$b,$c,$d,$e,$f)=@_; + + &comment("20_39 $n"); + local($n0,$n1,$n2,$n3,$np)=&Na($n); + + &mov($tmp1,$b); # tmp1 to hold F_20_39(b,c,d) + &mov($f,&swtmp($n0)); # f to hold Xupdate(xi,xa,xb,xc,xd) + &rotr($b,2); # b=ROTATE(b,30) + &xor($f,&swtmp($n1)); + &xor($tmp1,$c); + &xor($f,&swtmp($n2)); + &xor($tmp1,$d); # tmp1 holds F_20_39(b,c,d) + &xor($f,&swtmp($n3)); # f holds xa^xb^xc^xd + &rotl($f,1); # f=ROTATE(f,1) + &add($tmp1,$e); + &mov(&swtmp($n0),$f); # xi=f + &mov($e,$a); # e becomes volatile + &rotl($e,5); # e=ROTATE(a,5) + &lea($f,&DWP($K,$f,$tmp1,1)); # f+=K_20_39+e + &add($f,$e); # f+=ROTATE(a,5) + } + +sub BODY_40_59 + { + local($pos,$K,$X,$n,$a,$b,$c,$d,$e,$f)=@_; + + &comment("40_59 $n"); + local($n0,$n1,$n2,$n3,$np)=&Na($n); + + &mov($f,&swtmp($n0)); # f to hold Xupdate(xi,xa,xb,xc,xd) + &mov($tmp1,&swtmp($n1)); + &xor($f,$tmp1); + &mov($tmp1,&swtmp($n2)); + &xor($f,$tmp1); + &mov($tmp1,&swtmp($n3)); + &xor($f,$tmp1); # f holds xa^xb^xc^xd + &mov($tmp1,$b); # tmp1 to hold F_40_59(b,c,d) + &rotl($f,1); # f=ROTATE(f,1) + &or($tmp1,$c); + &mov(&swtmp($n0),$f); # xi=f + &and($tmp1,$d); + &lea($f,&DWP($K,$f,$e,1)); # f+=K_40_59+e + &mov($e,$b); # e becomes volatile and is used + # to calculate F_40_59(b,c,d) + &rotr($b,2); # b=ROTATE(b,30) + &and($e,$c); + &or($tmp1,$e); # tmp1 holds F_40_59(b,c,d) + &mov($e,$a); + &rotl($e,5); # e=ROTATE(a,5) + &add($f,$tmp1); # f+=tmp1; + &add($f,$e); # f+=ROTATE(a,5) + } + +sub BODY_60_79 + { + &BODY_20_39(@_); + } + +sub sha1_block_host + { + local($name, $sclabel)=@_; + + &function_begin_B($name,""); + + # parameter 1 is the MD5_CTX structure. + # A 0 + # B 4 + # C 8 + # D 12 + # E 16 + + &mov("ecx", &wparam(2)); + &push("esi"); + &shl("ecx",6); + &mov("esi", &wparam(1)); + &push("ebp"); + &add("ecx","esi"); # offset to leave on + &push("ebx"); + &mov("ebp", &wparam(0)); + &push("edi"); + &mov($D, &DWP(12,"ebp","",0)); + &stack_push(18+9); + &mov($E, &DWP(16,"ebp","",0)); + &mov($C, &DWP( 8,"ebp","",0)); + &mov(&swtmp(17),"ecx"); + + &comment("First we need to setup the X array"); + + for ($i=0; $i<16; $i+=2) + { + &mov($A,&DWP(($i+0)*4,"esi","",0));# unless $i == 0; + &mov($B,&DWP(($i+1)*4,"esi","",0)); + &mov(&swtmp($i+0),$A); + &mov(&swtmp($i+1),$B); + } + &jmp($sclabel); + &function_end_B($name); + } + + +sub sha1_block_data + { + local($name)=@_; + + &function_begin_B($name,""); + + # parameter 1 is the MD5_CTX structure. + # A 0 + # B 4 + # C 8 + # D 12 + # E 16 + + &mov("ecx", &wparam(2)); + &push("esi"); + &shl("ecx",6); + &mov("esi", &wparam(1)); + &push("ebp"); + &add("ecx","esi"); # offset to leave on + &push("ebx"); + &mov("ebp", &wparam(0)); + &push("edi"); + &mov($D, &DWP(12,"ebp","",0)); + &stack_push(18+9); + &mov($E, &DWP(16,"ebp","",0)); + &mov($C, &DWP( 8,"ebp","",0)); + &mov(&swtmp(17),"ecx"); + + &comment("First we need to setup the X array"); + + &set_label("start") unless $normal; + + &X_expand("esi"); + &mov(&wparam(1),"esi"); + + &set_label("shortcut", 0, 1); + &comment(""); + &comment("Start processing"); + + # odd start + &mov($A, &DWP( 0,"ebp","",0)); + &mov($B, &DWP( 4,"ebp","",0)); + $X="esp"; + &BODY_00_15(-2,$K[0],$X, 0,$A,$B,$C,$D,$E,$T); + &BODY_00_15( 0,$K[0],$X, 1,$T,$A,$B,$C,$D,$E); + &BODY_00_15( 0,$K[0],$X, 2,$E,$T,$A,$B,$C,$D); + &BODY_00_15( 0,$K[0],$X, 3,$D,$E,$T,$A,$B,$C); + &BODY_00_15( 0,$K[0],$X, 4,$C,$D,$E,$T,$A,$B); + &BODY_00_15( 0,$K[0],$X, 5,$B,$C,$D,$E,$T,$A); + &BODY_00_15( 0,$K[0],$X, 6,$A,$B,$C,$D,$E,$T); + &BODY_00_15( 0,$K[0],$X, 7,$T,$A,$B,$C,$D,$E); + &BODY_00_15( 0,$K[0],$X, 8,$E,$T,$A,$B,$C,$D); + &BODY_00_15( 0,$K[0],$X, 9,$D,$E,$T,$A,$B,$C); + &BODY_00_15( 0,$K[0],$X,10,$C,$D,$E,$T,$A,$B); + &BODY_00_15( 0,$K[0],$X,11,$B,$C,$D,$E,$T,$A); + &BODY_00_15( 0,$K[0],$X,12,$A,$B,$C,$D,$E,$T); + &BODY_00_15( 0,$K[0],$X,13,$T,$A,$B,$C,$D,$E); + &BODY_00_15( 0,$K[0],$X,14,$E,$T,$A,$B,$C,$D); + &BODY_00_15( 1,$K[0],$X,15,$D,$E,$T,$A,$B,$C); + &BODY_16_19(-1,$K[0],$X,16,$C,$D,$E,$T,$A,$B); + &BODY_16_19( 0,$K[0],$X,17,$B,$C,$D,$E,$T,$A); + &BODY_16_19( 0,$K[0],$X,18,$A,$B,$C,$D,$E,$T); + &BODY_16_19( 1,$K[0],$X,19,$T,$A,$B,$C,$D,$E); + + &BODY_20_39(-1,$K[1],$X,20,$E,$T,$A,$B,$C,$D); + &BODY_20_39( 0,$K[1],$X,21,$D,$E,$T,$A,$B,$C); + &BODY_20_39( 0,$K[1],$X,22,$C,$D,$E,$T,$A,$B); + &BODY_20_39( 0,$K[1],$X,23,$B,$C,$D,$E,$T,$A); + &BODY_20_39( 0,$K[1],$X,24,$A,$B,$C,$D,$E,$T); + &BODY_20_39( 0,$K[1],$X,25,$T,$A,$B,$C,$D,$E); + &BODY_20_39( 0,$K[1],$X,26,$E,$T,$A,$B,$C,$D); + &BODY_20_39( 0,$K[1],$X,27,$D,$E,$T,$A,$B,$C); + &BODY_20_39( 0,$K[1],$X,28,$C,$D,$E,$T,$A,$B); + &BODY_20_39( 0,$K[1],$X,29,$B,$C,$D,$E,$T,$A); + &BODY_20_39( 0,$K[1],$X,30,$A,$B,$C,$D,$E,$T); + &BODY_20_39( 0,$K[1],$X,31,$T,$A,$B,$C,$D,$E); + &BODY_20_39( 0,$K[1],$X,32,$E,$T,$A,$B,$C,$D); + &BODY_20_39( 0,$K[1],$X,33,$D,$E,$T,$A,$B,$C); + &BODY_20_39( 0,$K[1],$X,34,$C,$D,$E,$T,$A,$B); + &BODY_20_39( 0,$K[1],$X,35,$B,$C,$D,$E,$T,$A); + &BODY_20_39( 0,$K[1],$X,36,$A,$B,$C,$D,$E,$T); + &BODY_20_39( 0,$K[1],$X,37,$T,$A,$B,$C,$D,$E); + &BODY_20_39( 0,$K[1],$X,38,$E,$T,$A,$B,$C,$D); + &BODY_20_39( 1,$K[1],$X,39,$D,$E,$T,$A,$B,$C); + + &BODY_40_59(-1,$K[2],$X,40,$C,$D,$E,$T,$A,$B); + &BODY_40_59( 0,$K[2],$X,41,$B,$C,$D,$E,$T,$A); + &BODY_40_59( 0,$K[2],$X,42,$A,$B,$C,$D,$E,$T); + &BODY_40_59( 0,$K[2],$X,43,$T,$A,$B,$C,$D,$E); + &BODY_40_59( 0,$K[2],$X,44,$E,$T,$A,$B,$C,$D); + &BODY_40_59( 0,$K[2],$X,45,$D,$E,$T,$A,$B,$C); + &BODY_40_59( 0,$K[2],$X,46,$C,$D,$E,$T,$A,$B); + &BODY_40_59( 0,$K[2],$X,47,$B,$C,$D,$E,$T,$A); + &BODY_40_59( 0,$K[2],$X,48,$A,$B,$C,$D,$E,$T); + &BODY_40_59( 0,$K[2],$X,49,$T,$A,$B,$C,$D,$E); + &BODY_40_59( 0,$K[2],$X,50,$E,$T,$A,$B,$C,$D); + &BODY_40_59( 0,$K[2],$X,51,$D,$E,$T,$A,$B,$C); + &BODY_40_59( 0,$K[2],$X,52,$C,$D,$E,$T,$A,$B); + &BODY_40_59( 0,$K[2],$X,53,$B,$C,$D,$E,$T,$A); + &BODY_40_59( 0,$K[2],$X,54,$A,$B,$C,$D,$E,$T); + &BODY_40_59( 0,$K[2],$X,55,$T,$A,$B,$C,$D,$E); + &BODY_40_59( 0,$K[2],$X,56,$E,$T,$A,$B,$C,$D); + &BODY_40_59( 0,$K[2],$X,57,$D,$E,$T,$A,$B,$C); + &BODY_40_59( 0,$K[2],$X,58,$C,$D,$E,$T,$A,$B); + &BODY_40_59( 1,$K[2],$X,59,$B,$C,$D,$E,$T,$A); + + &BODY_60_79(-1,$K[3],$X,60,$A,$B,$C,$D,$E,$T); + &BODY_60_79( 0,$K[3],$X,61,$T,$A,$B,$C,$D,$E); + &BODY_60_79( 0,$K[3],$X,62,$E,$T,$A,$B,$C,$D); + &BODY_60_79( 0,$K[3],$X,63,$D,$E,$T,$A,$B,$C); + &BODY_60_79( 0,$K[3],$X,64,$C,$D,$E,$T,$A,$B); + &BODY_60_79( 0,$K[3],$X,65,$B,$C,$D,$E,$T,$A); + &BODY_60_79( 0,$K[3],$X,66,$A,$B,$C,$D,$E,$T); + &BODY_60_79( 0,$K[3],$X,67,$T,$A,$B,$C,$D,$E); + &BODY_60_79( 0,$K[3],$X,68,$E,$T,$A,$B,$C,$D); + &BODY_60_79( 0,$K[3],$X,69,$D,$E,$T,$A,$B,$C); + &BODY_60_79( 0,$K[3],$X,70,$C,$D,$E,$T,$A,$B); + &BODY_60_79( 0,$K[3],$X,71,$B,$C,$D,$E,$T,$A); + &BODY_60_79( 0,$K[3],$X,72,$A,$B,$C,$D,$E,$T); + &BODY_60_79( 0,$K[3],$X,73,$T,$A,$B,$C,$D,$E); + &BODY_60_79( 0,$K[3],$X,74,$E,$T,$A,$B,$C,$D); + &BODY_60_79( 0,$K[3],$X,75,$D,$E,$T,$A,$B,$C); + &BODY_60_79( 0,$K[3],$X,76,$C,$D,$E,$T,$A,$B); + &BODY_60_79( 0,$K[3],$X,77,$B,$C,$D,$E,$T,$A); + &BODY_60_79( 0,$K[3],$X,78,$A,$B,$C,$D,$E,$T); + &BODY_60_79( 2,$K[3],$X,79,$T,$A,$B,$C,$D,$E); + + &comment("End processing"); + &comment(""); + # D is the tmp value + + # E -> A + # T -> B + # A -> C + # B -> D + # C -> E + # D -> T + + &mov($tmp1,&wparam(0)); + + &mov($D, &DWP(12,$tmp1,"",0)); + &add($D,$B); + &mov($B, &DWP( 4,$tmp1,"",0)); + &add($B,$T); + &mov($T, $A); + &mov($A, &DWP( 0,$tmp1,"",0)); + &mov(&DWP(12,$tmp1,"",0),$D); + + &add($A,$E); + &mov($E, &DWP(16,$tmp1,"",0)); + &add($E,$C); + &mov($C, &DWP( 8,$tmp1,"",0)); + &add($C,$T); + + &mov(&DWP( 0,$tmp1,"",0),$A); + &mov("esi",&wparam(1)); + &mov(&DWP( 8,$tmp1,"",0),$C); + &add("esi",64); + &mov("eax",&swtmp(17)); + &mov(&DWP(16,$tmp1,"",0),$E); + &cmp("esi","eax"); + &mov(&DWP( 4,$tmp1,"",0),$B); + &jb(&label("start")); + + &stack_pop(18+9); + &pop("edi"); + &pop("ebx"); + &pop("ebp"); + &pop("esi"); + &ret(); + + # keep a note of shortcut label so it can be used outside + # block. + my $sclabel = &label("shortcut"); + + &function_end_B($name); + # Putting this here avoids problems with MASM in debugging mode + &sha1_block_host("sha1_block_asm_host_order", $sclabel); + } + |