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60 lines
1.2 KiB
Perl
60 lines
1.2 KiB
Perl
#!/usr/bin/env perl
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##
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## Author......: See docs/credits.txt
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## License.....: MIT
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##
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use strict;
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use warnings;
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use Digest::MD5 qw (md5_hex);
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sub module_constraints { [[0, 256], [0, 246], [0, 31], [0, 41], [-1, -1]] }
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sub module_generate_hash
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{
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my $word = shift;
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my $salt1 = shift;
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my $IS_OPTIMIZED = 1;
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if (exists $ENV{"IS_OPTIMIZED"} && defined $ENV{"IS_OPTIMIZED"})
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{
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$IS_OPTIMIZED = $ENV{"IS_OPTIMIZED"};
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}
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my $salt2_max_len = $IS_OPTIMIZED == 1 ? 33 : 238;
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my $salt2 = shift || random_numeric_string (random_number (0, $salt2_max_len));
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my $empireCMS_salt1 = 'E!m^p-i(r#e.C:M?S';
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my $empireCMS_salt2 = 'd)i.g^o-d';
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my $digest = md5_hex ($salt2 . $empireCMS_salt1 . md5_hex (md5_hex ($word) . $salt1) . $empireCMS_salt2 . $salt1);
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my $hash = sprintf ("%s:%s:%s", $digest, $salt1, $salt2);
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return $hash;
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}
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sub module_verify_hash
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{
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my $line = shift;
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my ($hash, $salt1, $salt2, $word) = split (':', $line);
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return unless defined $hash;
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return unless defined $salt1;
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return unless defined $salt2;
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return unless defined $word;
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my $word_packed = pack_if_HEX_notation ($word);
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my $new_hash = module_generate_hash ($word_packed, $salt1, $salt2);
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return ($new_hash, $word);
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}
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1;
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