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The FIPS 140-3 Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms certified to FIPS 140-3 level 1. This jar contains JCE provider and low-level API for the BC-FJA version 2.0.0, FIPS Certificate #4743. Please see certificate for certified platform details.

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package org.bouncycastle.util;

import java.security.AccessControlException;
import java.security.AccessController;
import java.security.PrivilegedAction;
import java.security.Security;

/**
 * Utility method for accessing system properties.
 */
public class Properties
{
    public static boolean isOverrideSet(final String propertyName)
    {
        try
        {
            return "true".equals(AccessController.doPrivileged(new PrivilegedAction()
            {
                public String run()
                {
                    String value = getPropertyValue(propertyName);
                    if (value == null)
                    {
                        return null;
                    }

                    return Strings.toLowerCase(value);
                }
            }));
        }
        catch (AccessControlException e)
        {
            return false;
        }
    }

    public static String getPropertyValue(final String propertyName)
    {
        return AccessController.doPrivileged(new PrivilegedAction()
        {
            public String run()
            {
                String v = Security.getProperty(propertyName);
                if (v != null)
                {
                    return v;
                }
                return System.getProperty(propertyName);
            }
        });
    }
}