my $r = $kdf->transform("\2" x 32);
is $r, "\342\234cp\375\\p\253]\213\f\246\345\230\266\260\r\222j\332Z\204:\322 p\224mhm\360\222",
my $r = $kdf->transform("\2" x 32);
is $r, "\342\234cp\375\\p\253]\213\f\246\345\230\266\260\r\222j\332Z\204:\322 p\224mhm\360\222",