Exploring XML Encryption, Part 1

Demonstrating the secure exchange of structured data

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Listing 13. Authors the EncryptionMethod element
	Listing 13
	Authors the EncryptionMethod element.

import org.w3c.dom.*;
import javax.xml.parsers.*;

public class EncryptionMethod{
	// Element to hold complete XML Structure.
	private Element encMethod = null;
	private Document doc = null;

	// Element will be appended in Document only once.
	private boolean elementAppendedToDoc = false;

	// Constructor
	public EncryptionMethod (Document document) {
		doc = document;
		encMethod = doc.createElement("EncryptionMethod");
	}// End EncryptionMethod()
	// Set the name of Algorithm.
	public void setAlgorithm(int algoNo){
		encMethod.setAttribute("Algorithm", AlgoNames.getAlgoNSValue(algoNo));
	}// End setAlgorithm()
	// Get the complete Document Sturcture.
	public Document getEncMethod() {
		if (elementAppendedToDoc == false) {
			elementAppendedToDoc = true;
		return doc;
	}// End getEncMethod()
}// End Class EncryptionMethod

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