org.bouncycastle.operator.bc.BcEdECContentSignerBuilder Maven / Gradle / Ivy

Show more of this group Show more artifacts with this name
Show all versions of bcpkix-jdk18on Show documentation

The Bouncy Castle Java APIs for CMS, PKCS, EAC, TSP, CMP, CRMF, OCSP, and certificate generation. This jar contains APIs for JDK 1.8 and up. The APIs can be used in conjunction with a JCE/JCA provider such as the one provided with the Bouncy Castle Cryptography APIs.

There is a newer version: 1.78.1

Show newest version

package org.bouncycastle.operator.bc;

import org.bouncycastle.asn1.edec.EdECObjectIdentifiers;
import org.bouncycastle.asn1.nist.NISTObjectIdentifiers;
import org.bouncycastle.asn1.x509.AlgorithmIdentifier;
import org.bouncycastle.crypto.Signer;
import org.bouncycastle.crypto.signers.Ed25519Signer;
import org.bouncycastle.operator.OperatorCreationException;

public class BcEdECContentSignerBuilder
    extends BcContentSignerBuilder
{
    public BcEdECContentSignerBuilder(AlgorithmIdentifier sigAlgId)
    {
        super(sigAlgId, new AlgorithmIdentifier(NISTObjectIdentifiers.id_sha512));
    }

    protected Signer createSigner(AlgorithmIdentifier sigAlgId, AlgorithmIdentifier digAlgId)
        throws OperatorCreationException
    {
        if (sigAlgId.getAlgorithm().equals(EdECObjectIdentifiers.id_Ed25519))
        {
            return new Ed25519Signer();
        }

        throw new IllegalStateException("unknown signature type");
    }
}