package org.bouncycastle.crypto.parsers;
import java.io.IOException;
import java.io.InputStream;
import java.math.BigInteger;
import org.bouncycastle.crypto.KeyParser;
import org.bouncycastle.crypto.params.AsymmetricKeyParameter;
import org.bouncycastle.crypto.params.DHParameters;
import org.bouncycastle.crypto.params.DHPublicKeyParameters;
public class DHIESPublicKeyParser
implements KeyParser
{
private DHParameters dhParams;
public DHIESPublicKeyParser(DHParameters dhParams)
{
this.dhParams = dhParams;
}
public AsymmetricKeyParameter readKey(InputStream stream)
throws IOException
{
byte[] V = new byte[(dhParams.getP().bitLength() + 7) / 8];
stream.read(V, 0, V.length);
return new DHPublicKeyParameters(new BigInteger(1, V), dhParams);
}
}