org.bouncycastle.crypto.tls.TlsECDSASigner Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of bcprov-jdk15on Show documentation

The Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms. This jar contains JCE provider and lightweight API for the Bouncy Castle Cryptography APIs for JDK 1.5 to JDK 1.8.

The newest version!

package org.bouncycastle.crypto.tls;

import org.bouncycastle.crypto.DSA;
import org.bouncycastle.crypto.params.AsymmetricKeyParameter;
import org.bouncycastle.crypto.params.ECPublicKeyParameters;
import org.bouncycastle.crypto.signers.ECDSASigner;
import org.bouncycastle.crypto.signers.HMacDSAKCalculator;

public class TlsECDSASigner
    extends TlsDSASigner
{
    public boolean isValidPublicKey(AsymmetricKeyParameter publicKey)
    {
        return publicKey instanceof ECPublicKeyParameters;
    }

    protected DSA createDSAImpl(short hashAlgorithm)
    {
        return new ECDSASigner(new HMacDSAKCalculator(TlsUtils.createHash(hashAlgorithm)));
    }

    protected short getSignatureAlgorithm()
    {
        return SignatureAlgorithm.ecdsa;
    }
}