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Spongy Castle is a package-rename (org.bouncycastle.* to org.spongycastle.*) of Bouncy Castle intended for the Android platform. Android unfortunately ships with a stripped-down version of Bouncy Castle, which prevents easy upgrades - Spongy Castle overcomes this and provides a full, up-to-date version of the Bouncy Castle cryptographic libs.

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package org.spongycastle.jsse.provider;

import java.lang.reflect.Method;
import java.security.AccessController;
import java.security.PrivilegedAction;

import javax.net.ssl.SSLParameters;

abstract class SSLParametersUtil
{
    private static final Method getAlgorithmConstraints;
    private static final Method setAlgorithmConstraints;
    private static final Method getEndpointIdentificationAlgorithm;
    private static final Method setEndpointIdentificationAlgorithm;
    private static final Method getUseCipherSuitesOrder;
    private static final Method setUseCipherSuitesOrder;

    private static Class getClassPrivileged(final String className)
    {
        return AccessController.doPrivileged(new PrivilegedAction>()
        {
            public Class run()
            {
                try
                {
                    ClassLoader loader = SSLParametersUtil.class.getClassLoader();
                    if (loader != null)
                    {
                        return loader.loadClass(className);
                    }

                    return Class.forName(className);
                }
                catch (Exception e)
                {
                    return null;
                }
            }
        });
    }

    private static Method getMethodPrivileged(final Class clazz, final String methodName)
    {
        if (clazz == null)
        {
            return null;
        }

        return AccessController.doPrivileged(new PrivilegedAction()
        {
            public Method run()
            {
                try
                {
                    return clazz.getMethod(methodName);
                }
                catch (Exception e)
                {
                    return null;
                }
            }
        });
    }

    private static Object invokeGetterPrivileged(final Object obj, final Method method)
    {
        return AccessController.doPrivileged(new PrivilegedAction