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package org.spongycastle.crypto.digests;
import java.io.ByteArrayOutputStream;
import org.spongycastle.crypto.Digest;
public class NullDigest
implements Digest
{
private ByteArrayOutputStream bOut = new ByteArrayOutputStream();
public String getAlgorithmName()
{
return "NULL";
}
public int getDigestSize()
{
return bOut.size();
}
public void update(byte in)
{
bOut.write(in);
}
public void update(byte[] in, int inOff, int len)
{
bOut.write(in, inOff, len);
}
public int doFinal(byte[] out, int outOff)
{
byte[] res = bOut.toByteArray();
System.arraycopy(res, 0, out, outOff, res.length);
reset();
return res.length;
}
public void reset()
{
bOut.reset();
}
}
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