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67 lines
1.4 KiB
67 lines
1.4 KiB
#!/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 (sha512);
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use Crypt::CBC;
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sub module_constraints { [[0, 255], [16, 16], [0, 55], [16, 16], [-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;
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my $ckey = shift // random_hex_string (96);
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my $public_key = shift // random_hex_string (66);
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my $salt_iter = shift // random_number (150000, 250000);
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my $digest = sha512 ($word . pack ("H*", $salt));
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for (my $i = 1; $i < $salt_iter; $i++)
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{
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$digest = sha512 ($digest);
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}
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my $data = random_hex_string (32);
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my $aes = Crypt::CBC->new ({
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key => substr ($digest, 0, 32),
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cipher => "Crypt::Rijndael",
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iv => substr ($digest, 32, 16),
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literal_key => 1,
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header => "none",
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keysize => 32,
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padding => "standard",
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});
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my $cry_master = (unpack ("H*", $aes->encrypt ($data)));
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my $hash = sprintf ('$bitcoin$%d$%s$%d$%s$%d$%d$%s$%d$%s',
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length ($cry_master),
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$cry_master,
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length ($salt),
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$salt,
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$salt_iter,
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length ($ckey),
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$ckey,
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length ($public_key),
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$public_key);
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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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print "ERROR: verify currently not supported for Bitcoin/Litecoin wallet.dat because of unknown crypt data\n";
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exit (1);
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}
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1;
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