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| author | Ben Laurie <ben@openssl.org> | 1999-01-30 17:53:00 +0000 |
|---|---|---|
| committer | Ben Laurie <ben@openssl.org> | 1999-01-30 17:53:00 +0000 |
| commit | a96e7810e29747976f55defa2788cbe24e595352 (patch) | |
| tree | b420980a2661eb9f4cc93609f0e7dcc7aabc7bc9 /crypto/md5/asm/md5-586.pl | |
| parent | 679ab7c39e1c011870a2f6f6092460dbe693600f (diff) | |
| download | openssl-a96e7810e29747976f55defa2788cbe24e595352.zip openssl-a96e7810e29747976f55defa2788cbe24e595352.tar.gz openssl-a96e7810e29747976f55defa2788cbe24e595352.tar.bz2 | |
Squeeze a bit more speed out of MD5 assembler.
Diffstat (limited to 'crypto/md5/asm/md5-586.pl')
| -rw-r--r-- | crypto/md5/asm/md5-586.pl | 35 |
1 files changed, 18 insertions, 17 deletions
diff --git a/crypto/md5/asm/md5-586.pl b/crypto/md5/asm/md5-586.pl index b1238e0..0249e10 100644 --- a/crypto/md5/asm/md5-586.pl +++ b/crypto/md5/asm/md5-586.pl @@ -44,7 +44,7 @@ sub R0 local($pos,$a,$b,$c,$d,$K,$ki,$s,$t)=@_; &mov($tmp1,$C) if $pos < 0; - &mov($tmp2,&DWP($xo[$ki]*4,$K,"",0)) if $pos < 0; # very first one + &mov($tmp2,&DWP($xo[$ki]*4,$K,"",0)) if $pos < 0; # very first one # body proper @@ -54,7 +54,6 @@ sub R0 &and($tmp1,$b); # F function - part 3 &lea($a,&DWP($t,$a,$tmp2,1)); - &mov($tmp2,&DWP($xo[$ki+1]*4,$K,"",0)) if ($pos != 2); &xor($tmp1,$d); # F function - part 4 &add($a,$tmp1); @@ -62,8 +61,10 @@ sub R0 &mov($tmp1,&Np($c)) if $pos == 1; # next tmp1 for R1 &rotl($a,$s); - &add($a,$b); + &mov($tmp2,&DWP($xo[$ki+1]*4,$K,"",0)) if ($pos != 2); + + &add($a,$b); } sub R1 @@ -100,16 +101,16 @@ if (($n & 1) == 0) # make sure to do 'D' first, not 'B', else we clash with # the last add from the previous round. - &xor($tmp1,$d); # H function - part 2 + &xor($tmp1,$d); # H function - part 2 &xor($tmp1,$b); # H function - part 3 - &lea($a,&DWP($t,$a,$tmp2,1)); + &lea($a,&DWP($t,$a,$tmp2,1)); &add($a,$tmp1); - &mov($tmp2,&DWP($xo[$ki+1]*4,$K,"",0)); &rotl($a,$s); + &mov($tmp2,&DWP($xo[$ki+1]*4,$K,"",0)); &mov($tmp1,&Np($c)); } else @@ -118,17 +119,17 @@ else # make sure to do 'D' first, not 'B', else we clash with # the last add from the previous round. - &lea($a,&DWP($t,$a,$tmp2,1)); + &lea($a,&DWP($t,$a,$tmp2,1)); &add($b,$c); # MOVED FORWARD - &xor($tmp1,$d); # H function - part 2 + &xor($tmp1,$d); # H function - part 2 &xor($tmp1,$b); # H function - part 3 - &mov($tmp2,&DWP($xo[$ki+1]*4,$K,"",0)) if ($pos != 2); + &mov($tmp2,&DWP($xo[$ki+1]*4,$K,"",0)) if ($pos != 2); &add($a,$tmp1); - &mov($tmp1,&Np($c)) if $pos < 1; # H function - part 1 - &mov($tmp1,-1) if $pos == 1; # I function - part 1 + &mov($tmp1,&Np($c)) if $pos < 1; # H function - part 1 + &mov($tmp1,-1) if $pos == 1; # I function - part 1 &rotl($a,$s); @@ -146,21 +147,21 @@ sub R3 &xor($tmp1,$d) if $pos < 0; # I function - part 2 &or($tmp1,$b); # I function - part 3 - &lea($a,&DWP($t,$a,$tmp2,1)); + &lea($a,&DWP($t,$a,$tmp2,1)); &xor($tmp1,$c); # I function - part 4 - &mov($tmp2,&DWP($xo[$ki+1]*4,$K,"",0)) if $pos != 2; # load X/k value - &mov($tmp2,&wparam(0)) if $pos == 2; + &mov($tmp2,&DWP($xo[$ki+1]*4,$K,"",0)) if $pos != 2; # load X/k value + &mov($tmp2,&wparam(0)) if $pos == 2; &add($a,$tmp1); - &mov($tmp1,-1) if $pos < 1; # H function - part 1 - &add($K,64) if $pos >=1 && !$normal; + &mov($tmp1,-1) if $pos < 1; # H function - part 1 + &add($K,64) if $pos >=1 && !$normal; &rotl($a,$s); &xor($tmp1,&Np($d)) if $pos <= 0; # I function - part = first time &mov($tmp1,&DWP( 0,$tmp2,"",0)) if $pos > 0; - &add($a,$b); + &add($a,$b); } |