Examples with EncryptionMethodType com.sun.identity.saml2.jaxb.xmlenc.EncryptionMethodType used on opensource projects

Example 1 with EncryptionMethodType

use of com.sun.identity.saml2.jaxb.xmlenc.EncryptionMethodType in project OpenAM by OpenRock.

the class KeyUtil method getEncInfo.

/**
     * Returns the encryption information which will be used in
     * encrypting messages intended for the partner entity.
     * @param roled <code>RoleDescriptor</code> for the partner entity
     * @param entityID partner entity's ID
     * @param role entity's role
     * @return <code>EncInfo</code> which includes partner entity's
     * public key for wrapping the secret key, data encryption algorithm,
     * and data encryption strength 
     */
public static EncInfo getEncInfo(RoleDescriptorType roled, String entityID, String role) {
    String classMethod = "KeyUtil.getEncInfo: ";
    if (SAML2SDKUtils.debug.messageEnabled()) {
        SAML2SDKUtils.debug.message(classMethod + "Entering... \nEntityID=" + entityID + "\nRole=" + role);
    }
    // first try to get it from cache
    String index = entityID.trim() + "|" + role;
    EncInfo encInfo = (EncInfo) encHash.get(index);
    if (encInfo != null) {
        return encInfo;
    }
    // else get it from meta
    if (roled == null) {
        SAML2SDKUtils.debug.error(classMethod + "Null RoleDescriptorType input for entityID=" + entityID + " in " + role + " role.");
        return null;
    }
    KeyDescriptorType kd = getKeyDescriptor(roled, SAML2Constants.ENCRYPTION);
    if (kd == null) {
        SAML2SDKUtils.debug.error(classMethod + "No encryption KeyDescriptor for entityID=" + entityID + " in " + role + " role.");
        return null;
    }
    java.security.cert.X509Certificate cert = getCert(kd);
    if (cert == null) {
        SAML2SDKUtils.debug.error(classMethod + "No encryption cert for entityID=" + entityID + " in " + role + " role.");
        return null;
    }
    List emList = kd.getEncryptionMethod();
    EncryptionMethodType em = null;
    String algorithm = null;
    int keySize = 0;
    if (emList != null && !emList.isEmpty()) {
        em = (EncryptionMethodType) emList.get(0);
        if (em != null) {
            algorithm = em.getAlgorithm();
            List cList = em.getContent();
            if (cList != null) {
                Iterator cIter = cList.iterator();
                while (cIter.hasNext()) {
                    Object cObject = cIter.next();
                    if (cObject instanceof EncryptionMethodType.KeySize) {
                        keySize = ((EncryptionMethodType.KeySize) (cList.get(0))).getValue().intValue();
                        break;
                    }
                }
            }
        }
    }
    if (algorithm == null || algorithm.length() == 0) {
        algorithm = XMLCipher.AES_128;
        keySize = 128;
    }
    PublicKey pk = cert.getPublicKey();
    if (pk != null) {
        encInfo = new EncInfo(pk, algorithm, keySize);
    }
    if (encInfo != null) {
        encHash.put(index, encInfo);
    }
    return encInfo;
}