org.randomcoder.xml.security
Class XmlSecurityUtils

java.lang.Object
  org.randomcoder.xml.security.XmlSecurityUtils

public final class XmlSecurityUtils
extends Object

XML security utilities.

 Copyright (c) 2006, Craig Condit. All rights reserved.
 
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Method Summary

static void	decrypt(Document doc, Element encryptedData, PrivateKey key) Decrypts the given EncryptedData element.
static Element	findFirstEncryptedData(Document doc) Finds the first EncryptedData element in the given document.
static Element	findFirstSignature(Document doc) Finds the first Signature element in the given document.
static PublicKey	verifySignature(Element signature) Verifies an XML signature.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

findFirstEncryptedData

public static Element findFirstEncryptedData(Document doc)

Finds the first EncryptedData element in the given document.

Parameters:

doc - DOM document

Returns:

Element, or null if not found

findFirstSignature

public static Element findFirstSignature(Document doc)

Finds the first Signature element in the given document.

Parameters:

doc - DOM document

Returns:

Element, or null if not found

decrypt

public static void decrypt(Document doc,
                           Element encryptedData,
                           PrivateKey key)
                    throws XmlSecurityException,
                           XmlSecurityConfigurationException

Decrypts the given EncryptedData element.

Parameters:

doc - containing document

encryptedData - EncryptedData element to decrypt

key - private key to use for decryption

Throws:

XmlSecurityException - if decryption fails

XmlSecurityConfigurationException - if decryption setup fails

verifySignature

public static PublicKey verifySignature(Element signature)
                                 throws XmlSecurityException

Verifies an XML signature.

Parameters:

signature - Signature element to verify

Returns:

PublicKey used for encryption

Throws:

XmlSecurityException - if verification fails