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package org.bouncycastle.crypto.digests;
import org.bouncycastle.crypto.ExtendedDigest;
/**
* Wrapper removes exposure to the Memoable interface on an ExtendedDigest implementation.
*/
public class NonMemoableDigest
implements ExtendedDigest
{
private ExtendedDigest baseDigest;
/**
* Base constructor.
*
* @param baseDigest underlying digest to use.
* @exception IllegalArgumentException if baseDigest is null
*/
public NonMemoableDigest(
ExtendedDigest baseDigest)
{
if (baseDigest == null)
{
throw new IllegalArgumentException("baseDigest must not be null");
}
this.baseDigest = baseDigest;
}
public String getAlgorithmName()
{
return baseDigest.getAlgorithmName();
}
public int getDigestSize()
{
return baseDigest.getDigestSize();
}
public void update(byte in)
{
baseDigest.update(in);
}
public void update(byte[] in, int inOff, int len)
{
baseDigest.update(in, inOff, len);
}
public int doFinal(byte[] out, int outOff)
{
return baseDigest.doFinal(out, outOff);
}
public void reset()
{
baseDigest.reset();
}
public int getByteLength()
{
return baseDigest.getByteLength();
}
}
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