}
final SecureExtension xSignedExtension = (SecureExtension) packet
.getExtension("x", "jabber:x:signed");
if (xSignedExtension != null) {
String verifiedMessageId = gnupg.verifyExtension(
xSignedExtension.getData(), messageBody);
if (verifiedMessageId != null) {
verifiedMessageId = verifiedMessageId.replaceAll(
"\n$", "");