/*
*
* 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.pkcs11;
import java.io.ByteArrayOutputStream;
import java.io.OutputStream;
import java.util.HashMap;
import java.util.Map;
import org.bouncycastle.asn1.nist.NISTObjectIdentifiers;
import org.bouncycastle.asn1.x509.AlgorithmIdentifier;
import org.bouncycastle.asn1.x9.X9ObjectIdentifiers;
import org.bouncycastle.crypto.Digest;
import org.bouncycastle.crypto.RuntimeCryptoException;
import org.bouncycastle.operator.ContentSigner;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.xipki.commons.common.util.LogUtil;
import org.xipki.commons.common.util.ParamUtil;
import org.xipki.commons.security.HashAlgoType;
import org.xipki.commons.security.exception.P11TokenException;
import org.xipki.commons.security.exception.XiSecurityException;
import org.xipki.commons.security.util.SignerUtil;
/**
* @author Lijun Liao
* @since 2.0.0
*/
// CHECKSTYLE:SKIP
class P11DSAContentSigner implements ContentSigner {
private static final Logger LOG = LoggerFactory.getLogger(P11DSAContentSigner.class);
private static final Map<String, HashAlgoType> sigAlgHashMap = new HashMap<>();
private static final Map<HashAlgoType, Long> hashMechMap = new HashMap<>();
private final P11CryptService cryptService;
private final P11EntityIdentifier identityId;
private final AlgorithmIdentifier algorithmIdentifier;
private final long mechanism;
private final OutputStream outputStream;
private final boolean plain;
static {
sigAlgHashMap.put(X9ObjectIdentifiers.id_dsa_with_sha1.getId(), HashAlgoType.SHA1);
sigAlgHashMap.put(NISTObjectIdentifiers.dsa_with_sha224.getId(), HashAlgoType.SHA224);
sigAlgHashMap.put(NISTObjectIdentifiers.dsa_with_sha256.getId(), HashAlgoType.SHA256);
sigAlgHashMap.put(NISTObjectIdentifiers.dsa_with_sha384.getId(), HashAlgoType.SHA384);
sigAlgHashMap.put(NISTObjectIdentifiers.dsa_with_sha512.getId(), HashAlgoType.SHA512);
sigAlgHashMap.put(NISTObjectIdentifiers.id_dsa_with_sha3_224.getId(),
HashAlgoType.SHA3_224);
sigAlgHashMap.put(NISTObjectIdentifiers.id_dsa_with_sha3_256.getId(),
HashAlgoType.SHA3_256);
sigAlgHashMap.put(NISTObjectIdentifiers.id_dsa_with_sha3_384.getId(),
HashAlgoType.SHA3_384);
sigAlgHashMap.put(NISTObjectIdentifiers.id_dsa_with_sha3_512.getId(),
HashAlgoType.SHA3_512);
hashMechMap.put(HashAlgoType.SHA1, P11Constants.CKM_DSA_SHA1);
hashMechMap.put(HashAlgoType.SHA224, P11Constants.CKM_DSA_SHA224);
hashMechMap.put(HashAlgoType.SHA256, P11Constants.CKM_DSA_SHA256);
hashMechMap.put(HashAlgoType.SHA384, P11Constants.CKM_DSA_SHA384);
hashMechMap.put(HashAlgoType.SHA512, P11Constants.CKM_DSA_SHA512);
hashMechMap.put(HashAlgoType.SHA3_224, P11Constants.CKM_DSA_SHA3_224);
hashMechMap.put(HashAlgoType.SHA3_256, P11Constants.CKM_DSA_SHA3_256);
hashMechMap.put(HashAlgoType.SHA3_384, P11Constants.CKM_DSA_SHA3_384);
hashMechMap.put(HashAlgoType.SHA3_512, P11Constants.CKM_DSA_SHA3_512);
}
P11DSAContentSigner(final P11CryptService cryptService, final P11EntityIdentifier identityId,
final AlgorithmIdentifier signatureAlgId, final boolean plain)
throws XiSecurityException, P11TokenException {
this.identityId = ParamUtil.requireNonNull("identityId", identityId);
this.cryptService = ParamUtil.requireNonNull("cryptService", cryptService);
this.algorithmIdentifier = ParamUtil.requireNonNull("signatureAlgId", signatureAlgId);
this.plain = plain;
String algOid = signatureAlgId.getAlgorithm().getId();
HashAlgoType hashAlgo = sigAlgHashMap.get(algOid);
if (hashAlgo == null) {
throw new XiSecurityException("unsupported signature algorithm " + algOid);
}
P11SlotIdentifier slotId = identityId.getSlotId();
P11Slot slot = cryptService.getSlot(slotId);
if (slot.supportsMechanism(P11Constants.CKM_DSA)) {
this.mechanism = P11Constants.CKM_DSA;
Digest digest = SignerUtil.getDigest(hashAlgo);
this.outputStream = new DigestOutputStream(digest);
} else {
this.mechanism = hashMechMap.get(hashAlgo).longValue();
if (!slot.supportsMechanism(this.mechanism)) {
throw new XiSecurityException("unsupported signature algorithm " + algOid);
}
this.outputStream = new ByteArrayOutputStream();
}
}
@Override
public AlgorithmIdentifier getAlgorithmIdentifier() {
return algorithmIdentifier;
}
@Override
public OutputStream getOutputStream() {
if (outputStream instanceof ByteArrayOutputStream) {
((ByteArrayOutputStream) outputStream).reset();
} else {
((DigestOutputStream) outputStream).reset();
}
return outputStream;
}
@Override
public byte[] getSignature() {
try {
byte[] plainSignature = getPlainSignature();
return plain ? plainSignature : SignerUtil.convertPlainDSASigToX962(plainSignature);
} catch (XiSecurityException ex) {
LogUtil.warn(LOG, ex);
throw new RuntimeCryptoException("XiSecurityException: " + ex.getMessage());
} catch (Throwable th) {
LogUtil.warn(LOG, th);
throw new RuntimeCryptoException(th.getClass().getName() + ": " + th.getMessage());
}
}
private byte[] getPlainSignature() throws XiSecurityException, P11TokenException {
byte[] dataToSign;
if (outputStream instanceof ByteArrayOutputStream) {
dataToSign = ((ByteArrayOutputStream) outputStream).toByteArray();
((ByteArrayOutputStream) outputStream).reset();
} else {
dataToSign = ((DigestOutputStream) outputStream).digest();
((DigestOutputStream) outputStream).reset();
}
return cryptService.getIdentity(identityId).sign(mechanism, null, dataToSign);
}
}