public boolean exists() {
		ResourceFile xmlFile =
			new ResourceFile(CryptoKeyFactory.getCryptoDirectory(), fileName + ".xml");
		return xmlFile.exists();
	}
Returns TRUE if the XML file already exists.
@return TRUE if the XML file already exists
Ghidra/Features/FileFormats/src/main/java/ghidra/file/crypto/CryptoKeyFileTemplateWriter.java