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The Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms. This jar contains JCE provider and lightweight API for the Bouncy Castle Cryptography APIs for JDK 1.5 and up.

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package org.bouncycastle.asn1.x500.style;

import org.bouncycastle.asn1.x500.RDN;
import org.bouncycastle.asn1.x500.X500Name;
import org.bouncycastle.asn1.x500.X500NameStyle;

/**
 * Variation of BCStyle that insists on strict ordering for equality
 * and hashCode comparisons
 */
public class BCStrictStyle
    extends BCStyle
{
    public static final X500NameStyle INSTANCE = new BCStrictStyle();

    public boolean areEqual(X500Name name1, X500Name name2)
    {
        RDN[] rdns1 = name1.getRDNs();
        RDN[] rdns2 = name2.getRDNs();

        if (rdns1.length != rdns2.length)
        {
            return false;
        }

        for (int i = 0; i != rdns1.length; i++)
        {
            if (!rdnAreEqual(rdns1[i], rdns2[i]))
            {
                return false;
            }
        }

        return true;
    }
}