diff options
Diffstat (limited to 'c6x/hmac_sha1.pl')
| -rw-r--r-- | c6x/hmac_sha1.pl | 196 |
1 files changed, 196 insertions, 0 deletions
diff --git a/c6x/hmac_sha1.pl b/c6x/hmac_sha1.pl new file mode 100644 index 0000000000..494f7e8569 --- /dev/null +++ b/c6x/hmac_sha1.pl @@ -0,0 +1,196 @@ +#!/usr/bin/env perl +# +# Copyright (c) 2011 The OpenSSL Project. +# +###################################################################### +# +# SHA1 and HMAC in Perl by <appro@openssl.org>. +# +{ package SHA1; + use integer; + + { + ################################### SHA1 block code generator + my @V = ('$A','$B','$C','$D','$E'); + my $i; + + sub XUpdate { + my $ret; + $ret="(\$T=\$W[($i-16)%16]^\$W[($i-14)%16]^\$W[($i-8)%16]^\$W[($i-3)%16],\n\t"; + if ((1<<31)<<1) { + $ret.=" \$W[$i%16]=((\$T<<1)|(\$T>>31))&0xffffffff)\n\t "; + } else { + $ret.=" \$W[$i%16]=(\$T<<1)|((\$T>>31)&1))\n\t "; + } + } + sub tail { + my ($a,$b,$c,$d,$e)=@V; + my $ret; + if ((1<<31)<<1) { + $ret.="(($a<<5)|($a>>27));\n\t"; + $ret.="$b=($b<<30)|($b>>2); $e&=0xffffffff; #$b&=0xffffffff;\n\t"; + } else { + $ret.="(($a<<5)|($a>>27)&0x1f);\n\t"; + $ret.="$b=($b<<30)|($b>>2)&0x3fffffff;\n\t"; + } + $ret; + } + sub BODY_00_15 { + my ($a,$b,$c,$d,$e)=@V; + "$e+=\$W[$i]+0x5a827999+((($c^$d)&$b)^$d)+".tail(); + } + sub BODY_16_19 { + my ($a,$b,$c,$d,$e)=@V; + "$e+=".XUpdate()."+0x5a827999+((($c^$d)&$b)^$d)+".tail(); + } + sub BODY_20_39 { + my ($a,$b,$c,$d,$e)=@V; + "$e+=".XUpdate()."+0x6ed9eba1+($b^$c^$d)+".tail(); + } + sub BODY_40_59 { + my ($a,$b,$c,$d,$e)=@V; + "$e+=".XUpdate()."+0x8f1bbcdc+(($b&$c)|(($b|$c)&$d))+".tail(); + } + sub BODY_60_79 { + my ($a,$b,$c,$d,$e)=@V; + "$e+=".XUpdate()."+0xca62c1d6+($b^$c^$d)+".tail(); + } + + my $sha1_impl = + 'sub block { + my $self = @_[0]; + my @W = unpack("N16",@_[1]); + my ($A,$B,$C,$D,$E,$T) = @{$self->{H}}; + '; + + $sha1_impl.=' + $A &= 0xffffffff; + $B &= 0xffffffff; + ' if ((1<<31)<<1); + + for($i=0;$i<16;$i++){ $sha1_impl.=BODY_00_15(); unshift(@V,pop(@V)); } + for(;$i<20;$i++) { $sha1_impl.=BODY_16_19(); unshift(@V,pop(@V)); } + for(;$i<40;$i++) { $sha1_impl.=BODY_20_39(); unshift(@V,pop(@V)); } + for(;$i<60;$i++) { $sha1_impl.=BODY_40_59(); unshift(@V,pop(@V)); } + for(;$i<80;$i++) { $sha1_impl.=BODY_60_79(); unshift(@V,pop(@V)); } + + $sha1_impl.=' + $self->{H}[0]+=$A; $self->{H}[1]+=$B; $self->{H}[2]+=$C; + $self->{H}[3]+=$D; $self->{H}[4]+=$E; }'; + + #print $sha1_impl,"\n"; + eval($sha1_impl); # generate code + } + + sub Init { + my $class = shift; # multiple instances... + my $self = {}; + + bless $self,$class; + $self->{H} = [0x67452301,0xefcdab89,0x98badcfe,0x10325476,0xc3d2e1f0]; + $self->{N} = 0; + return $self; + } + + sub Update { + my $self = shift; + my $msg; + + foreach $msg (@_) { + my $len = length($msg); + my $num = length($self->{buf}); + my $off = 0; + + $self->{N} += $len; + + if (($num+$len)<64) + { $self->{buf} .= $msg; next; } + elsif ($num) + { $self->{buf} .= substr($msg,0,($off=64-$num)); + $self->block($self->{buf}); + } + + while(($off+64) <= $len) + { $self->block(substr($msg,$off,64)); + $off += 64; + } + + $self->{buf} = substr($msg,$off); + } + return $self; + } + + sub Final { + my $self = shift; + my $num = length($self->{buf}); + + $self->{buf} .= chr(0x80); $num++; + if ($num>56) + { $self->{buf} .= chr(0)x(64-$num); + $self->block($self->{buf}); + $self->{buf}=undef; + $num=0; + } + $self->{buf} .= chr(0)x(56-$num); + $self->{buf} .= pack("N2",($self->{N}>>29)&0x7,$self->{N}<<3); + $self->block($self->{buf}); + + return pack("N*",@{$self->{H}}); + } + + sub Selftest { + my $hash; + + $hash=SHA1->Init()->Update('abc')->Final(); + die "SHA1 test#1" if (unpack("H*",$hash) ne 'a9993e364706816aba3e25717850c26c9cd0d89d'); + + $hash=SHA1->Init()->Update('abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq')->Final(); + die "SHA1 test#2" if (unpack("H*",$hash) ne '84983e441c3bd26ebaae4aa1f95129e5e54670f1'); + + #$hash=SHA1->Init()->Update('a'x1000000)->Final(); + #die "SHA1 test#3" if (unpack("H*",$hash) ne '34aa973cd4c4daa4f61eeb2bdbad27316534016f'); + } +} + +{ package HMAC; + + sub Init { + my $class = shift; + my $key = shift; + my $self = {}; + + bless $self,$class; + + if (length($key)>64) { + $key = SHA1->Init()->Update($key)->Final(); + } + $key .= chr(0x00)x(64-length($key)); + + my @ikey = map($_^=0x36,unpack("C*",$key)); + ($self->{hash} = SHA1->Init())->Update(pack("C*",@ikey)); + $self->{okey} = pack("C*",map($_^=0x36^0x5c,@ikey)); + + return $self; + } + + sub Update { + my $self = shift; + $self->{hash}->Update(@_); + return $self; + } + + sub Final { + my $self = shift; + my $ihash = $self->{hash}->Final(); + return SHA1->Init()->Update($self->{okey},$ihash)->Final(); + } + + sub Selftest { + my $hmac; + + $hmac = HMAC->Init('0123456789:;<=>?@ABC')->Update('Sample #2')->Final(); + die "HMAC test" if (unpack("H*",$hmac) ne '0922d3405faa3d194f82a45830737d5cc6c75d24'); + } +} + +1; |