rsautil.java

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// Decompiled by Jad v1.5.8e2. Copyright 2001 Pavel Kouznetsov.
// Jad home page: http://kpdus.tripod.com/jad.html
// Decompiler options: packimports(3) fieldsfirst ansi space 
// Source File Name:   RSAUtil.java

package org.bouncycastle.jce.provider;

import java.security.interfaces.*;
import org.bouncycastle.crypto.params.RSAKeyParameters;
import org.bouncycastle.crypto.params.RSAPrivateCrtKeyParameters;

public class RSAUtil
{

	public RSAUtil()
	{
	}

	public static RSAKeyParameters generatePublicKeyParameter(RSAPublicKey key)
	{
		return new RSAKeyParameters(false, key.getModulus(), key.getPublicExponent());
	}

	public static RSAKeyParameters generatePrivateKeyParameter(RSAPrivateKey key)
	{
		if (key instanceof RSAPrivateCrtKey)
		{
			RSAPrivateCrtKey k = (RSAPrivateCrtKey)key;
			return new RSAPrivateCrtKeyParameters(k.getModulus(), k.getPublicExponent(), k.getPrivateExponent(), k.getPrimeP(), k.getPrimeQ(), k.getPrimeExponentP(), k.getPrimeExponentQ(), k.getCrtCoefficient());
		} else
		{
			RSAPrivateKey k = key;
			return new RSAKeyParameters(true, k.getModulus(), k.getPrivateExponent());
		}
	}
}