$prkeyid = openssl_get_privatekey($prv, "1234");
$ct = "Hello I am some text!";
-openssl_sign($ct, $signature, $prkeyid, OPENSSL_ALGO_DSS1);
+openssl_sign($ct, $signature, $prkeyid, OPENSSL_ALGO_SHA1);
echo "Signature: ".base64_encode($signature) . "\n";
$pukeyid = openssl_get_publickey($pub);
-$valid = openssl_verify($ct, $signature, $pukeyid, OPENSSL_ALGO_DSS1);
+$valid = openssl_verify($ct, $signature, $pukeyid, OPENSSL_ALGO_SHA1);
echo "Signature validity: " . $valid . "\n";