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Add unit-test for -m 29500
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tools/test_modules/m29500.pm
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77
tools/test_modules/m29500.pm
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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::SHA qw (sha1);
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use Digest::HMAC qw (hmac);
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use MIME::Base64 qw (encode_base64url decode_base64url);
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use JSON qw (encode_json decode_json);
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use Data::Dumper;
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sub module_constraints { [[0, 64], [-1, -1], [-1, -1], [-1, -1], [-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 $salt = shift || get_random_flask_salt ();
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# https://github.com/hashcat/hashcat/issues/3239
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#first = HMACSHA1(key=secret, message="cookie-session").digest() // "cookie-session" is a constant; digest is raw digest bytes
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#second = HMACSHA1(key=first, message=message).digest()
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my $digest1 = hmac ("cookie-session", $word, \&sha1);
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my $digest2 = hmac ($salt, $digest1, \&sha1);
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my $hash = sprintf ("%s.%s", $salt, encode_base64url ($digest2, ""));
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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, $word) = split (':', $line);
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return unless defined $hash;
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return unless defined $word;
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my @data = split (/\./, $hash);
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return unless scalar @data == 3;
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my ($header, $payload, $signature) = @data;
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my $salt = $header . "." . $payload;
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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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sub get_random_flask_salt
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{
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my $username = random_number (10000, 99999);
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my $header =
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{
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"username" => $username
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};
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my $header_json = encode_json ($header);
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my $header_base64 = encode_base64url ($header_json, "");
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return $header_base64 . "." . "YjdgRQ";
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}
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1;
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