ofc.setSignaturePropFile("interop.properties");
ofc.setPasswordCallbackClass("org.apache.axis2.security.PWCallback");
ofc.setSignatureKeyIdentifier(WSSHandlerConstants.BST_DIRECT_REFERENCE);
ofc.setSignatureParts("{}{http://xmlsoap.org/Ping}ticket");
ofc.nextAction();
ofc.setActionItems("Signature Timestamp");
ofc.setUser("alice");
ofc.setSignaturePropFile("interop.properties");
ofc.setPasswordCallbackClass("org.apache.axis2.security.PWCallback");