jdkmessagedigest.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:   JDKMessageDigest.java

package org.bouncycastle.jce.provider;

import java.security.MessageDigest;
import org.bouncycastle.crypto.Digest;
import org.bouncycastle.crypto.digests.*;

public class JDKMessageDigest extends MessageDigest
{
	public static class MD2 extends JDKMessageDigest
		implements Cloneable
	{

		public Object clone()
			throws CloneNotSupportedException
		{
			MD2 d = (MD2)clone();
			d.digest = new MD2Digest((MD2Digest)digest);
			return d;
		}

		public MD2()
		{
			super(new MD2Digest());
		}
	}

	public static class MD4 extends JDKMessageDigest
		implements Cloneable
	{

		public Object clone()
			throws CloneNotSupportedException
		{
			MD4 d = (MD4)clone();
			d.digest = new MD4Digest((MD4Digest)digest);
			return d;
		}

		public MD4()
		{
			super(new MD4Digest());
		}
	}

	public static class MD5 extends JDKMessageDigest
		implements Cloneable
	{

		public Object clone()
			throws CloneNotSupportedException
		{
			MD5 d = (MD5)clone();
			d.digest = new MD5Digest((MD5Digest)digest);
			return d;
		}

		public MD5()
		{
			super(new MD5Digest());
		}
	}

	public static class RIPEMD128 extends JDKMessageDigest
		implements Cloneable
	{

		public Object clone()
			throws CloneNotSupportedException
		{
			RIPEMD128 d = (RIPEMD128)clone();
			d.digest = new RIPEMD128Digest((RIPEMD128Digest)digest);
			return d;
		}

		public RIPEMD128()
		{
			super(new RIPEMD128Digest());
		}
	}

	public static class RIPEMD160 extends JDKMessageDigest
		implements Cloneable
	{

		public Object clone()
			throws CloneNotSupportedException
		{
			RIPEMD160 d = (RIPEMD160)clone();
			d.digest = new RIPEMD160Digest((RIPEMD160Digest)digest);
			return d;
		}

		public RIPEMD160()
		{
			super(new RIPEMD160Digest());
		}
	}

	public static class RIPEMD256 extends JDKMessageDigest
		implements Cloneable
	{

		public Object clone()
			throws CloneNotSupportedException
		{
			RIPEMD256 d = (RIPEMD256)clone();
			d.digest = new RIPEMD256Digest((RIPEMD256Digest)digest);
			return d;
		}

		public RIPEMD256()
		{
			super(new RIPEMD256Digest());
		}
	}

	public static class RIPEMD320 extends JDKMessageDigest
		implements Cloneable
	{

		public Object clone()
			throws CloneNotSupportedException
		{
			RIPEMD320 d = (RIPEMD320)clone();
			d.digest = new RIPEMD320Digest((RIPEMD320Digest)digest);
			return d;
		}

		public RIPEMD320()
		{
			super(new RIPEMD320Digest());
		}
	}

	public static class SHA1 extends JDKMessageDigest
		implements Cloneable
	{

		public Object clone()
			throws CloneNotSupportedException
		{
			SHA1 d = (SHA1)clone();
			d.digest = new SHA1Digest((SHA1Digest)digest);
			return d;
		}

		public SHA1()
		{
			super(new SHA1Digest());
		}
	}

	public static class SHA256 extends JDKMessageDigest
		implements Cloneable
	{

		public Object clone()
			throws CloneNotSupportedException
		{
			SHA256 d = (SHA256)clone();
			d.digest = new SHA256Digest((SHA256Digest)digest);
			return d;
		}

		public SHA256()
		{
			super(new SHA256Digest());
		}
	}

	public static class SHA384 extends JDKMessageDigest
		implements Cloneable
	{

		public Object clone()
			throws CloneNotSupportedException
		{
			SHA384 d = (SHA384)clone();
			d.digest = new SHA384Digest((SHA384Digest)digest);
			return d;
		}

		public SHA384()
		{
			super(new SHA384Digest());
		}
	}

	public static class SHA512 extends JDKMessageDigest
		implements Cloneable
	{

		public Object clone()
			throws CloneNotSupportedException
		{
			SHA512 d = (SHA512)clone();
			d.digest = new SHA512Digest((SHA512Digest)digest);
			return d;
		}

		public SHA512()
		{
			super(new SHA512Digest());
		}
	}

	public static class Tiger extends JDKMessageDigest
		implements Cloneable
	{

		public Object clone()
			throws CloneNotSupportedException
		{
			Tiger d = (Tiger)clone();
			d.digest = new TigerDigest((TigerDigest)digest);
			return d;
		}

		public Tiger()
		{
			super(new TigerDigest());
		}
	}


	Digest digest;

	protected JDKMessageDigest(Digest digest)
	{
		super(digest.getAlgorithmName());
		this.digest = digest;
	}

	public void engineReset()
	{
		digest.reset();
	}

	public void engineUpdate(byte input)
	{
		digest.update(input);
	}

	public void engineUpdate(byte input[], int offset, int len)
	{
		digest.update(input, offset, len);
	}

	public byte[] engineDigest()
	{
		byte digestBytes[] = new byte[digest.getDigestSize()];
		digest.doFinal(digestBytes, 0);
		return digestBytes;
	}
}