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Add -m 18300 unit test
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jsteube
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d98e989a40
commit
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243
tools/test_modules/m18300.pm
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243
tools/test_modules/m18300.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 Crypt::Mode::ECB;
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use Crypt::PBKDF2;
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sub module_constraints { [[0, 255], [-1, -1], [0, 255], [-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;
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my $iter = shift // 20000;
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my $Z_PK = shift // 2;
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my $blob = shift;
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if (length $salt == 0)
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{
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$salt = random_hex_string (32);
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}
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my $salt_bin = pack ("H*", $salt);
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my $pbkdf2 = Crypt::PBKDF2->new
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(
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hasher => Crypt::PBKDF2->hasher_from_algorithm ('HMACSHA2', 256),
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iterations => $iter,
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output_len => 32,
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);
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my $KEK = $pbkdf2->PBKDF2 ($salt_bin, $word);
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my $aes = Crypt::Mode::ECB->new ('AES', 0);
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my $blob_bin;
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my $A;
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my $B;
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my $P1;
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my $P2;
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my $P3;
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my $P4;
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if (defined $blob)
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{
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$blob_bin = pack ("H*", $blob);
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$A = substr ($blob_bin, 0, 8);
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$P1 = substr ($blob_bin, 8, 8);
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$P2 = substr ($blob_bin, 16, 8);
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$P3 = substr ($blob_bin, 24, 8);
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$P4 = substr ($blob_bin, 32, 8);
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for (my $j = 5; $j >= 0; $j--)
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{
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# N = 4
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$B = $A;
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$B ^= pack ("Q>", (4 * $j + 4));
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$B .= $P4;
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$B = $aes->decrypt ($B, $KEK);
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$A = substr ($B, 0, 8);
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$P4 = substr ($B, 8, 8);
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# N = 3
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$B = $A;
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$B ^= pack ("Q>", (4 * $j + 3));
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$B .= $P3;
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$B = $aes->decrypt ($B, $KEK);
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$A = substr ($B, 0, 8);
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$P3 = substr ($B, 8, 8);
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# N = 2
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$B = $A;
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$B ^= pack ("Q>", (4 * $j + 2));
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$B .= $P2;
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$B = $aes->decrypt ($B, $KEK);
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$A = substr ($B, 0, 8);
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$P2 = substr ($B, 8, 8);
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# N = 1
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$B = $A;
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$B ^= pack ("Q>", (4 * $j + 1));
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$B .= $P1;
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$B = $aes->decrypt ($B, $KEK);
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$A = substr ($B, 0, 8);
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$P1 = substr ($B, 8, 8);
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}
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if ($A eq "\xa6" x 8)
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{
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for (my $j = 0; $j <= 5; $j++)
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{
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# N = 1
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$B = $A;
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$B .= $P1;
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$B = $aes->encrypt ($B, $KEK);
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$A = substr ($B, 0, 8);
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$A ^= pack ("Q>", (4 * $j + 1));
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$P1 = substr ($B, 8, 8);
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# N = 2
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$B = $A;
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$B .= $P2;
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$B = $aes->encrypt ($B, $KEK);
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$A = substr ($B, 0, 8);
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$A ^= pack ("Q>", (4 * $j + 2));
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$P2 = substr ($B, 8, 8);
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# N = 3
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$B = $A;
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$B .= $P3;
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$B = $aes->encrypt ($B, $KEK);
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$A = substr ($B, 0, 8);
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$A ^= pack ("Q>", (4 * $j + 3));
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$P3 = substr ($B, 8, 8);
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# N = 4
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$B = $A;
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$B .= $P4;
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$B = $aes->encrypt ($B, $KEK);
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$A = substr ($B, 0, 8);
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$A ^= pack ("Q>", (4 * $j + 4));
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$P4 = substr ($B, 8, 8);
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}
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$blob_bin = $A . $P1 . $P2 . $P3 . $P4;
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}
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else
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{
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$blob_bin = "\xff" x 40;
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}
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}
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else
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{
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$A = "\xa6" x 8;
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$P1 = "\xff" x 8;
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$P2 = "\xff" x 8;
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$P3 = "\xff" x 8;
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$P4 = "\xff" x 8;
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for (my $j = 0; $j <= 5; $j++)
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{
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# N = 1
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$B = $A;
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$B .= $P1;
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$B = $aes->encrypt ($B, $KEK);
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$A = substr ($B, 0, 8);
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$A ^= pack ("Q>", (4 * $j + 1));
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$P1 = substr ($B, 8, 8);
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# N = 2
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$B = $A;
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$B .= $P2;
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$B = $aes->encrypt ($B, $KEK);
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$A = substr ($B, 0, 8);
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$A ^= pack ("Q>", (4 * $j + 2));
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$P2 = substr ($B, 8, 8);
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# N = 3
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$B = $A;
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$B .= $P3;
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$B = $aes->encrypt ($B, $KEK);
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$A = substr ($B, 0, 8);
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$A ^= pack ("Q>", (4 * $j + 3));
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$P3 = substr ($B, 8, 8);
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# N = 4
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$B = $A;
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$B .= $P4;
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$B = $aes->encrypt ($B, $KEK);
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$A = substr ($B, 0, 8);
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$A ^= pack ("Q>", (4 * $j + 4));
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$P4 = substr ($B, 8, 8);
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}
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$blob_bin = $A . $P1 . $P2 . $P3 . $P4;
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}
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my $hash = sprintf ('$fvde$%d$%d$%s$%d$%s', $Z_PK, length ($salt_bin), unpack ("H*", $salt_bin), $iter, unpack ("H*", $blob_bin));
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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 $line = shift;
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my ($digest, $word) = split (':', $line);
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return unless defined $digest;
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return unless defined $word;
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my @data = split ('\$', $digest);
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return unless scalar @data == 7;
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shift @data;
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my $signature = shift @data;
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return unless ($signature eq 'fvde');
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my $Z_PK = shift @data;
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return unless ($Z_PK eq '2');
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my $salt_length = shift @data;
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return unless ($salt_length eq '16');
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my ($ZCRYPTOSALT, $ZCRYPTOITERATIONCOUNT, $ZCRYPTOWRAPPEDKEY) = @data;
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my $salt = $ZCRYPTOSALT;
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my $iter = $ZCRYPTOITERATIONCOUNT;
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$word = pack_if_HEX_notation ($word);
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my $new_hash = module_generate_hash ($word, $ZCRYPTOSALT, $ZCRYPTOITERATIONCOUNT, $Z_PK, $ZCRYPTOWRAPPEDKEY);
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return ($new_hash, $word);
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}
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1;
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