use Crypt::SaltedHash;
use MIME::Base64 qw(decode_base64);
my $password = "password";
my $crypt=Crypt::SaltedHash->new(algorithm=>'SHA-512', salt_len => 32, salt => decode_base64("ZD1qsc8PwUXqP9GihP+NHvWQ+FXap4Td0KWCMp8yrDQ="));
$crypt->add($password);
my $shash=$crypt->generate();
my $salt=$crypt->salt_hex();
print "Salt= $salt\n"; # to show that it is using the right salt
print  "hex encoded = " . unpack('H*',substr($shash,9)) . "\n";
# the substr is required as generate prepends {SSHA512}