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/*******************************************************************************
* ============LICENSE_START====================================================
* * org.onap.aaf
* * ===========================================================================
* * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
* * ===========================================================================
* * Licensed under the Apache License, Version 2.0 (the "License");
* * you may not use this file except in compliance with the License.
* * You may obtain a copy of the License at
* *
* * http://www.apache.org/licenses/LICENSE-2.0
* *
* * Unless required by applicable law or agreed to in writing, software
* * distributed under the License is distributed on an "AS IS" BASIS,
* * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* * See the License for the specific language governing permissions and
* * limitations under the License.
* * ============LICENSE_END====================================================
* *
* * ECOMP is a trademark and service mark of AT&T Intellectual Property.
* *
******************************************************************************/
package org.onap.aaf.authz.cm.ca;
import java.io.File;
import java.io.IOException;
import java.math.BigInteger;
import java.security.GeneralSecurityException;
import java.security.KeyFactory;
import java.security.cert.Certificate;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
import java.security.interfaces.RSAPrivateKey;
import java.security.spec.PKCS8EncodedKeySpec;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Date;
import java.util.GregorianCalendar;
import java.util.List;
import java.security.SecureRandom;
import org.bouncycastle.asn1.ASN1Sequence;
import org.bouncycastle.asn1.x500.X500Name;
import org.bouncycastle.asn1.x500.X500NameBuilder;
import org.bouncycastle.asn1.x500.style.BCStyle;
import org.bouncycastle.asn1.x509.BasicConstraints;
import org.bouncycastle.asn1.x509.ExtendedKeyUsage;
import org.bouncycastle.asn1.x509.Extension;
import org.bouncycastle.asn1.x509.GeneralName;
import org.bouncycastle.asn1.x509.GeneralNames;
import org.bouncycastle.asn1.x509.KeyPurposeId;
import org.bouncycastle.asn1.x509.KeyUsage;
import org.bouncycastle.asn1.x509.SubjectPublicKeyInfo;
import org.bouncycastle.cert.X509v3CertificateBuilder;
import org.bouncycastle.cert.jcajce.JcaX509CertificateConverter;
import org.bouncycastle.cert.jcajce.JcaX509ExtensionUtils;
import org.bouncycastle.operator.OperatorCreationException;
import org.onap.aaf.authz.cm.cert.BCFactory;
import org.onap.aaf.authz.cm.cert.CSRMeta;
import org.onap.aaf.authz.cm.cert.StandardFields;
import org.onap.aaf.authz.common.Define;
import org.onap.aaf.cadi.cm.CertException;
import org.onap.aaf.cadi.cm.Factory;
import org.onap.aaf.inno.env.Env;
import org.onap.aaf.inno.env.TimeTaken;
import org.onap.aaf.inno.env.Trans;
public class DevlCA extends CA {
// Extensions
private static final KeyPurposeId[] ASN_WebUsage = new KeyPurposeId[] {
KeyPurposeId.id_kp_serverAuth, // WebServer
KeyPurposeId.id_kp_clientAuth};// WebClient
private X509Certificate caCert;
private final RSAPrivateKey caKey;
private final X500Name issuer;
private final SecureRandom random = new SecureRandom();
private byte[] serialish = new byte[24];
public DevlCA(Trans trans, String name, String dirString) throws IOException, CertException {
super(name, new StandardFields() {
@Override
public void set(CSRMeta csr) {
// Standard Fields
csr.o("ATT Services, Inc.");
csr.l("St Louis");
csr.st("Missouri");
csr.c("US");
}
}, Define.ROOT_NS+".ca" // Permission Type for validation
);
File dir = new File(dirString);
if(!dir.exists()) {
throw new CertException(dirString + " does not exist");
}
File ca = new File(dir,"ca.crt");
if(ca.exists()) {
byte[] bytes = Factory.decode(ca);
Collection<? extends Certificate> certs;
try {
certs = Factory.toX509Certificate(bytes);
} catch (CertificateException e) {
throw new CertException(e);
}
List<String> lTrust = new ArrayList<String>();
caCert=null;
for(Certificate c : certs) {
if(caCert==null) {
caCert = (X509Certificate)c;
} else {
lTrust.add(Factory.toString(trans,c));
}
break;
}
}
this.setTrustChain(new String[]{Factory.toString(trans,caCert)});
/*
* Private key needs to be converted to "DER" format, with no password.
* Use chmod 400 on key
*
* openssl pkcs8 -topk8 -outform DER -nocrypt -in ca.key -out ca.der
*
*/
ca = new File(dir,"ca.der");
if(ca.exists()) {
byte[] bytes = Factory.binary(ca);
// EncryptedPrivateKeyInfo ekey=new EncryptedPrivateKeyInfo(bytes);
// Cipher cip=Cipher.getInstance(ekey.getAlgName());
// PBEKeySpec pspec=new PBEKeySpec("password".toCharArray());
// SecretKeyFactory skfac=SecretKeyFactory.getInstance(ekey.getAlgName());
// Key pbeKey=skfac.generateSecret(pspec);
// AlgorithmParameters algParams=ekey.getAlgParameters();
// cip.init(Cipher.DECRYPT_MODE,pbeKey,algParams);
KeyFactory keyFactory;
try {
keyFactory = KeyFactory.getInstance("RSA");
PKCS8EncodedKeySpec privSpec = new PKCS8EncodedKeySpec(bytes);
caKey = (RSAPrivateKey) keyFactory.generatePrivate(privSpec);
} catch (GeneralSecurityException e) {
throw new CertException(e);
}
X500NameBuilder xnb = new X500NameBuilder();
xnb.addRDN(BCStyle.C,"US");
xnb.addRDN(BCStyle.ST,"Missouri");
xnb.addRDN(BCStyle.L,"Arnold");
xnb.addRDN(BCStyle.O,"ATT Services, Inc.");
xnb.addRDN(BCStyle.OU,"AAF");
xnb.addRDN(BCStyle.CN,"aaf.att.com");
xnb.addRDN(BCStyle.EmailAddress,"DL-aaf-support@att.com");
issuer = xnb.build();
} else {
throw new CertException(ca.getPath() + " does not exist");
}
}
/* (non-Javadoc)
* @see org.onap.aaf.authz.cm.service.CA#sign(org.bouncycastle.pkcs.PKCS10CertificationRequest)
*/
@Override
public X509Certificate sign(Trans trans, CSRMeta csrmeta) throws IOException, CertException {
GregorianCalendar gc = new GregorianCalendar();
Date start = gc.getTime();
gc.add(GregorianCalendar.DAY_OF_MONTH, 1);
Date end = gc.getTime();
X509Certificate x509;
TimeTaken tt = trans.start("Create/Sign Cert",Env.SUB);
try {
BigInteger bi;
synchronized(serialish) {
random.nextBytes(serialish);
bi = new BigInteger(serialish);
}
X509v3CertificateBuilder xcb = new X509v3CertificateBuilder(
issuer,
bi, // replace with Serialnumber scheme
start,
end,
csrmeta.x500Name(),
// SubjectPublicKeyInfoFactory.createSubjectPublicKeyInfo(caCert.getPublicKey().getEn)
new SubjectPublicKeyInfo(ASN1Sequence.getInstance(caCert.getPublicKey().getEncoded()))
);
List<GeneralName> lsan = new ArrayList<GeneralName>();
for(String s : csrmeta.sans()) {
lsan.add(new GeneralName(GeneralName.dNSName,s));
}
GeneralName[] sans = new GeneralName[lsan.size()];
lsan.toArray(sans);
JcaX509ExtensionUtils extUtils = new JcaX509ExtensionUtils();
xcb .addExtension(Extension.basicConstraints,
false, new BasicConstraints(false))
.addExtension(Extension.keyUsage,
true, new KeyUsage(KeyUsage.digitalSignature
| KeyUsage.keyEncipherment))
.addExtension(Extension.extendedKeyUsage,
true, new ExtendedKeyUsage(ASN_WebUsage))
.addExtension(Extension.authorityKeyIdentifier,
false, extUtils.createAuthorityKeyIdentifier(caCert))
.addExtension(Extension.subjectKeyIdentifier,
false, extUtils.createSubjectKeyIdentifier(caCert.getPublicKey()))
.addExtension(Extension.subjectAlternativeName,
false, new GeneralNames(sans))
;
x509 = new JcaX509CertificateConverter().getCertificate(
xcb.build(BCFactory.contentSigner(caKey)));
} catch (GeneralSecurityException|OperatorCreationException e) {
throw new CertException(e);
} finally {
tt.done();
}
return x509;
}
}
|
