2022-05-21 13:07:51 +00:00
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#!/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::BLAKE2 qw (blake2b_hex);
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2022-05-27 15:34:08 +00:00
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sub module_constraints { [[0, 127], [0, 127], [0, 55], [0, 55], [0, 55]] }
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2022-05-21 13:07:51 +00:00
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sub module_generate_hash
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{
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my $word = shift;
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my $salt = shift;
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my $digest = blake2b_hex ($word . $salt);
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2022-05-23 14:53:50 +00:00
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my $hash = sprintf ("\$BLAKE2\$%s:%s", lc ($digest), $salt);
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2022-05-21 13:07:51 +00:00
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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, $salt, $word) = split (':', $line);
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return unless defined $hash;
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return unless defined $salt;
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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, $salt);
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return ($new_hash, $word);
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}
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1;
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