File: IDEA.t

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libcrypt-cbc-perl 2.33-2
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#!/usr/local/bin/perl -Tw

use lib '..','../blib/lib','.','./blib/lib';

eval "use Crypt::IDEA()";
if ($@) {
    print "1..0 # Skipped: Crypt::IDEA not installed\n";
    exit;
}

print "1..33\n";

sub test {
    local($^W) = 0;
    my($num, $true,$msg) = @_;
    print($true ? "ok $num\n" : "not ok $num $msg\n");
}

$test_data = <<END;
Mary had a little lamb,
Its fleece was black as coal,
And everywere that Mary went,
That lamb would dig a hole.
END
    ;

eval "use Crypt::CBC";

test(1,!$@,"Couldn't load module");
test(2,$i = Crypt::CBC->new('secret','IDEA'),"Couldn't create new object");
test(3,$c = $i->encrypt($test_data),"Couldn't encrypt");
test(4,$p = $i->decrypt($c),"Couldn't decrypt");
test(5,$p eq $test_data,"Decrypted ciphertext doesn't match plaintext");

# now try various truncations of the whole
for (my $c=1;$c<=7;$c++) {
  substr($test_data,-$c) = '';  # truncate
  test(5+$c,$i->decrypt($i->encrypt($test_data)) eq $test_data);
}

# now try various short strings
for (my $c=0;$c<=18;$c++) {
  $test_data = 'i' x $c;
  test (13+$c,$i->decrypt($i->encrypt($test_data)) eq $test_data);
}


# make sure that strings that end in spaces or nulls are treated correctly
$test_data = "This string ends in a null\0";
test (32,$i->decrypt($i->encrypt($test_data)) eq $test_data);

$test_data = "This string ends in some spaces  ";
test (33,$i->decrypt($i->encrypt($test_data)) eq $test_data);