/*
*
* Copyright (c) 2013 - 2017 Lijun Liao
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License version 3
* as published by the Free Software Foundation with the addition of the
* following permission added to Section 15 as permitted in Section 7(a):
*
* FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY
* THE AUTHOR LIJUN LIAO. LIJUN LIAO DISCLAIMS THE WARRANTY OF NON INFRINGEMENT
* OF THIRD PARTY RIGHTS.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* The interactive user interfaces in modified source and object code versions
* of this program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU Affero General Public License.
*
* You can be released from the requirements of the license by purchasing
* a commercial license. Buying such a license is mandatory as soon as you
* develop commercial activities involving the XiPKI software without
* disclosing the source code of your own applications.
*
* For more information, please contact Lijun Liao at this
* address: lijun.liao@gmail.com
*/
package org.xipki.commons.security.bcbugfix;
import org.bouncycastle.asn1.x509.AlgorithmIdentifier;
import org.bouncycastle.crypto.Digest;
import org.bouncycastle.crypto.Signer;
import org.bouncycastle.crypto.signers.ECDSASigner;
import org.bouncycastle.operator.DigestAlgorithmIdentifierFinder;
import org.bouncycastle.operator.OperatorCreationException;
import org.bouncycastle.operator.bc.BcECContentVerifierProviderBuilder;
import org.xipki.commons.security.pkcs12.DSAPlainDigestSigner;
import org.xipki.commons.security.util.AlgorithmUtil;
/**
* @author Lijun Liao
* @since 2.1.0
*/
// CHECKSTYLE:SKIP
public class XipkiECContentVerifierProviderBuilder extends BcECContentVerifierProviderBuilder {
private DigestAlgorithmIdentifierFinder digestAlgorithmFinder;
public XipkiECContentVerifierProviderBuilder(
DigestAlgorithmIdentifierFinder digestAlgorithmFinder) {
super(digestAlgorithmFinder);
this.digestAlgorithmFinder = digestAlgorithmFinder;
}
protected Signer createSigner(AlgorithmIdentifier sigAlgId)
throws OperatorCreationException {
boolean plainDsa = AlgorithmUtil.isPlainECDSASigAlg(sigAlgId);
if (!plainDsa) {
return super.createSigner(sigAlgId);
}
AlgorithmIdentifier digAlg = digestAlgorithmFinder.find(sigAlgId);
Digest dig = digestProvider.get(digAlg);
return new DSAPlainDigestSigner(new ECDSASigner(), dig);
}
}