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package org.spongycastle.crypto.tls;
import org.spongycastle.crypto.DSA;
import org.spongycastle.crypto.params.AsymmetricKeyParameter;
import org.spongycastle.crypto.params.DSAPublicKeyParameters;
import org.spongycastle.crypto.signers.DSASigner;
import org.spongycastle.crypto.signers.HMacDSAKCalculator;
public class TlsDSSSigner
extends TlsDSASigner
{
public boolean isValidPublicKey(AsymmetricKeyParameter publicKey)
{
return publicKey instanceof DSAPublicKeyParameters;
}
protected DSA createDSAImpl(short hashAlgorithm)
{
return new DSASigner(new HMacDSAKCalculator(TlsUtils.createHash(hashAlgorithm)));
}
protected short getSignatureAlgorithm()
{
return SignatureAlgorithm.dsa;
}
}
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