Example usage for org.bouncycastle.asn1.x509 X509Extension isCritical

List of usage examples for org.bouncycastle.asn1.x509 X509Extension isCritical

Introduction

In this page you can find the example usage for org.bouncycastle.asn1.x509 X509Extension isCritical.

Prototype

public boolean isCritical() 

Source Link

Usage

From source file:chapter6.PKCS10CertCreateExample.java

public static X509Certificate[] buildChain() throws Exception {
    // Create the certification request
    KeyPair pair = Utils.generateRSAKeyPair();

    PKCS10CertificationRequest request = PKCS10ExtensionExample.generateRequest(pair);

    // Create a root certificate
    KeyPair rootPair = Utils.generateRSAKeyPair();
    X509Certificate rootCert = X509V1CreateExample.generateV1Certificate(rootPair);

    // Validate the certification request
    if (request.verify("BC") == false) {
        System.out.println("Request failed to verify!!");
        System.exit(1);//  w  w w  .  j av  a2s . c  om
    }

    // Create the certificate using the information in the request
    X509V3CertificateGenerator certGen = new X509V3CertificateGenerator();

    certGen.setSerialNumber(BigInteger.valueOf(System.currentTimeMillis()));
    certGen.setIssuerDN(rootCert.getSubjectX500Principal());
    certGen.setNotBefore(new Date(System.currentTimeMillis()));
    certGen.setNotAfter(new Date(System.currentTimeMillis() + 50000));
    certGen.setSubjectDN(new X500Principal(request.getCertificationRequestInfo().getSubject().getEncoded()));
    certGen.setPublicKey(request.getPublicKey("BC"));
    certGen.setSignatureAlgorithm("SHA256WithRSAEncryption");

    certGen.addExtension(X509Extensions.AuthorityKeyIdentifier, false,
            new AuthorityKeyIdentifierStructure(rootCert));
    certGen.addExtension(X509Extensions.SubjectKeyIdentifier, false,
            new SubjectKeyIdentifierStructure(request.getPublicKey("BC")));
    certGen.addExtension(X509Extensions.BasicConstraints, true, new BasicConstraints(false));
    certGen.addExtension(X509Extensions.KeyUsage, true,
            new KeyUsage(KeyUsage.digitalSignature | KeyUsage.keyEncipherment));
    certGen.addExtension(X509Extensions.ExtendedKeyUsage, true,
            new ExtendedKeyUsage(KeyPurposeId.id_kp_serverAuth));

    // Extract the extension request attribute
    ASN1Set attributes = request.getCertificationRequestInfo().getAttributes();

    for (int i = 0; i < attributes.size(); i++) {
        Attribute attr = Attribute.getInstance(attributes.getObjectAt(i));

        // Process extension request
        if (attr.getAttrType().equals(PKCSObjectIdentifiers.pkcs_9_at_extensionRequest)) {
            X509Extensions extensions = X509Extensions.getInstance(attr.getAttrValues().getObjectAt(0));

            Enumeration e = extensions.oids();
            while (e.hasMoreElements()) {
                DERObjectIdentifier oid = (DERObjectIdentifier) e.nextElement();
                X509Extension ext = extensions.getExtension(oid);

                certGen.addExtension(oid, ext.isCritical(), ext.getValue().getOctets());
            }
        }
    }

    X509Certificate issuedCert = certGen.generateX509Certificate(rootPair.getPrivate());

    return new X509Certificate[] { issuedCert, rootCert };
}

From source file:com.yacme.ext.oxsit.cust_it.comp.security.cert.CertificateComplianceCA_IT.java

License:Open Source License

/**
 * check if qcStatements are present as per ETSI 
 * @param _TbsC //from ww  w . j av  a 2 s  . c  o  m
 * @return
 */
private boolean hasQcStatements(TBSCertificateStructure _TbsC) {
    //first check for CNIPA requirement
    //then check for ETSI 102 280 requirements
    //then check for ETSI 101 862      
    //qcstatements are defined in ETSI 101 862
    X509Extensions xExt = _TbsC.getExtensions();
    X509Extension qcStats = xExt.getExtension(X509Extensions.QCStatements);

    if (qcStats == null) {
        //no qcStatement
        setCertificateStateHelper(CertificateState.MISSING_EXTENSION);
        m_aLogger.log("missing qcStatements");
        return false;
    }
    int numberOfChecksOk = 4; //if this drops to zero,

    //it's not marked critical
    if (!qcStats.isCritical())
        numberOfChecksOk--;

    ASN1Sequence dns = (ASN1Sequence) X509Extension.convertValueToObject(qcStats);
    for (int i = 0; i < dns.size(); i++) {
        QCStatement qcs = QCStatement.getInstance(dns.getObjectAt(i));
        if (QCStatement.id_etsi_qcs_QcCompliance.equals(qcs.getStatementId()))
            numberOfChecksOk--;
        if (QCStatement.id_etsi_qcs_QcSSCD.equals(qcs.getStatementId()))
            numberOfChecksOk--;
        if (QCStatement.id_etsi_qcs_RetentionPeriod.equals(qcs.getStatementId()))
            numberOfChecksOk--;
    }

    if (numberOfChecksOk != 0) {
        m_xQc.setCertificateElementErrorState(X509Extensions.QCStatements.getId(),
                CertificateElementState.INVALID_value);
        setCertificateStateHelper(CertificateState.ERROR_IN_EXTENSION);
        return false;
    }

    return true;
}

From source file:com.yacme.ext.oxsit.cust_it.comp.security.cert.CertificateCompliance_IT.java

License:Open Source License

/**
 * check if qcStatements are present as per ETSI 
 * @param _TbsC /*www. j  a va2 s . c o  m*/
 * @return
 */
private boolean hasQcStatements(TBSCertificateStructure _TbsC) {
    //first check for CNIPA requirement
    //then check for ETSI 102 280 requirements
    //then check for ETSI 101 862      
    //qcstatements are defined in ETSI 101 862
    X509Extensions xExt = _TbsC.getExtensions();
    X509Extension qcStats = xExt.getExtension(X509Extensions.QCStatements);

    if (qcStats == null) {
        //no qcStatement
        setCertificateStateHelper(CertificateState.MISSING_EXTENSION);
        m_aLogger.log("missing qcStatements");
        String s = m_xQc.getCertificateDisplayObj()
                .getCertificateElementCommentString(CertificateElementID.NOT_CRITICAL_EXTENSION);
        s = s + "\r";

        m_xQc.getCertificateDisplayObj().setCertificateElementCommentString(
                CertificateElementID.NOT_CRITICAL_EXTENSION, s + "qcStatement missing");
        return false;
    }
    int numberOfChecksOk = 4; //if this drops to zero,

    //it's not marked critical
    if (!qcStats.isCritical())
        numberOfChecksOk--;

    ASN1Sequence dns = (ASN1Sequence) X509Extension.convertValueToObject(qcStats);
    for (int i = 0; i < dns.size(); i++) {
        QCStatement qcs = QCStatement.getInstance(dns.getObjectAt(i));
        if (QCStatement.id_etsi_qcs_QcCompliance.equals(qcs.getStatementId()))
            numberOfChecksOk--;
        if (QCStatement.id_etsi_qcs_QcSSCD.equals(qcs.getStatementId()))
            numberOfChecksOk--;
        if (QCStatement.id_etsi_qcs_RetentionPeriod.equals(qcs.getStatementId()))
            numberOfChecksOk--;
    }

    if (numberOfChecksOk != 0) {
        m_xQc.setCertificateElementErrorState(X509Extensions.QCStatements.getId(),
                CertificateElementState.INVALID_value);
        setCertificateStateHelper(CertificateState.ERROR_IN_EXTENSION);

        m_xQc.getCertificateDisplayObj().setCertificateExtensionCommentString(
                X509Extensions.QCStatements.getId(), "some statement is wrong.");
        return false;
    }

    return true;
}

From source file:com.yacme.ext.oxsit.cust_it.comp.security.cert.X509CertDisplayBase_IT.java

License:Open Source License

@Override
public void prepareDisplayStrings(XFrame _xFrame, XComponent _xComp)
        throws IllegalArgumentException, Exception {
    m_xQc = (XOX_X509Certificate) UnoRuntime.queryInterface(XOX_X509Certificate.class, _xComp);
    if (m_xQc == null)
        throw (new IllegalArgumentException(
                "com.yacme.ext.oxsit.security.cert.XOX_X509CertificateDisplay#prepareDisplayStrings wrong argument"));

    ///*w ww.  j  ava  2 s.co m*/
    m_aX509 = null; //remove old certificate
    //remove old data from HashMaps
    m_aExtensions.clear();
    m_aExtensionLocalizedNames.clear();
    m_aExtensionDisplayValues.clear();
    m_aCriticalExtensions.clear();
    m_aNotCriticalExtensions.clear();

    ByteArrayInputStream as = new ByteArrayInputStream(m_xQc.getCertificateAttributes().getDEREncoded());
    ASN1InputStream aderin = new ASN1InputStream(as);
    DERObject ado;
    try {
        ado = aderin.readObject();
        m_aX509 = new X509CertificateStructure((ASN1Sequence) ado);
        //initializes the certificate display information
        initSubjectName();
        m_sVersion = String.format("V%d", m_aX509.getVersion());
        m_sSerialNumber = new String("" + m_aX509.getSerialNumber().getValue());
        initIssuerName();
        m_sNotValidBefore = initCertDate(m_aX509.getStartDate().getDate());
        m_sNotValidAfter = initCertDate(m_aX509.getEndDate().getDate());
        m_sSubjectPublicKeyAlgorithm = initPublicKeyAlgorithm();
        m_sSubjectPublicKeyValue = initPublicKeyData();
        m_sSignatureAlgorithm = initSignatureAlgorithm();
        initThumbPrints();
        //now initializes the Extension listing         
        X509Extensions aX509Exts = m_aX509.getTBSCertificate().getExtensions();
        //fill the internal extension HashMaps
        //at the same time we'll get the extension localized name from resources and
        //fill the display data
        MessageConfigurationAccess m_aRegAcc = null;
        m_aRegAcc = new MessageConfigurationAccess(m_xContext, m_xMCF);
        //FIXME: may be we need to adapt this to the context: the following is valid ONLY if this
        //object is instantiated from within a dialog, is not true if instantiated from a not UI method (e.g. from basic for example).
        IDynamicLogger aDlgH = null;
        CertificateExtensionDisplayHelper aHelper = new CertificateExtensionDisplayHelper(m_xContext,
                m_lTheLocale, m_sTimeLocaleString, m_sLocaleDateOfBirth, m_bDisplayOID, m_aLogger);

        for (Enumeration<DERObjectIdentifier> enume = aX509Exts.oids(); enume.hasMoreElements();) {
            DERObjectIdentifier aDERId = enume.nextElement();
            String aTheOID = aDERId.getId();
            X509Extension aext = aX509Exts.getExtension(aDERId);
            m_aExtensions.put(aTheOID, aext);
            //now grab the localized description
            try {
                m_aExtensionLocalizedNames.put(aTheOID, m_aRegAcc.getStringFromRegistry(aTheOID)
                        + ((m_bDisplayOID) ? (" (OID: " + aTheOID.toString() + ")") : ""));
            } catch (com.sun.star.uno.Exception e) {
                m_aLogger.severe("setDEREncoded", e);
                m_aExtensionLocalizedNames.put(aTheOID, aTheOID);
            }
            //and decode this extension
            m_aExtensionDisplayValues.put(aTheOID, aHelper.examineExtension(aext, aDERId, this));

            if (aext.isCritical())
                m_aCriticalExtensions.put(aTheOID, aext);
            else
                m_aNotCriticalExtensions.put(aTheOID, aext);
        }
        m_aRegAcc.dispose();
    } catch (IOException e) {
        m_aLogger.severe("setDEREncoded", e);
    }
}

From source file:gov.nih.nci.cagrid.gts.service.ProxyPathValidator.java

License:Apache License

protected void checkProxyConstraints(TBSCertificateStructure proxy, TBSCertificateStructure issuer,
        X509Certificate checkedProxy) throws ProxyPathValidatorException, IOException {

    logger.debug("enter: checkProxyConstraints");

    X509Extensions extensions;/*  ww  w.  j  a v  a2  s  .  c  om*/
    DERObjectIdentifier oid;
    X509Extension ext;

    X509Extension proxyKeyUsage = null;

    extensions = proxy.getExtensions();
    if (extensions != null) {
        Enumeration e = extensions.oids();
        while (e.hasMoreElements()) {
            oid = (DERObjectIdentifier) e.nextElement();
            ext = extensions.getExtension(oid);
            if (oid.equals(X509Extensions.SubjectAlternativeName)
                    || oid.equals(X509Extensions.IssuerAlternativeName)) {
                // No Alt name extensions - 3.2 & 3.5
                throw new ProxyPathValidatorException(ProxyPathValidatorException.PROXY_VIOLATION, checkedProxy,
                        "Proxy certificate cannot contain subject or issuer alternative name extension");
            } else if (oid.equals(X509Extensions.BasicConstraints)) {
                // Basic Constraint must not be true - 3.8
                BasicConstraints basicExt = BouncyCastleUtil.getBasicConstraints(ext);
                if (basicExt.isCA()) {
                    throw new ProxyPathValidatorException(ProxyPathValidatorException.PROXY_VIOLATION,
                            checkedProxy, "Proxy certificate cannot have BasicConstraint CA=true");
                }
            } else if (oid.equals(X509Extensions.KeyUsage)) {
                proxyKeyUsage = ext;

                boolean[] keyUsage = BouncyCastleUtil.getKeyUsage(ext);
                // these must not be asserted
                if (keyUsage[1] || keyUsage[5]) {
                    throw new ProxyPathValidatorException(ProxyPathValidatorException.PROXY_VIOLATION,
                            checkedProxy,
                            "The keyCertSign and nonRepudiation bits must not be asserted in Proxy Certificate");
                }
                boolean[] issuerKeyUsage = getKeyUsage(issuer);
                if (issuerKeyUsage != null) {
                    for (int i = 0; i < 9; i++) {
                        if (i == 1 || i == 5) {
                            continue;
                        }
                        if (!issuerKeyUsage[i] && keyUsage[i]) {
                            throw new ProxyPathValidatorException(ProxyPathValidatorException.PROXY_VIOLATION,
                                    checkedProxy, "Bad KeyUsage in Proxy Certificate");
                        }
                    }
                }
            }
        }
    }

    extensions = issuer.getExtensions();

    if (extensions != null) {
        Enumeration e = extensions.oids();
        while (e.hasMoreElements()) {
            oid = (DERObjectIdentifier) e.nextElement();
            ext = extensions.getExtension(oid);
            if (oid.equals(X509Extensions.KeyUsage)) {
                // If issuer has it then proxy must have it also
                if (proxyKeyUsage == null) {
                    throw new ProxyPathValidatorException(ProxyPathValidatorException.PROXY_VIOLATION,
                            checkedProxy, "KeyUsage extension missing in Proxy Certificate");
                }
                // If issuer has it as critical so does the proxy
                if (ext.isCritical() && !proxyKeyUsage.isCritical()) {
                    throw new ProxyPathValidatorException(ProxyPathValidatorException.PROXY_VIOLATION,
                            checkedProxy, "KeyUsage extension in Proxy Certificate is not critical");
                }
            }
        }
    }

    logger.debug("exit: checkProxyConstraints");
}

From source file:gov.nih.nci.cagrid.gts.service.ProxyPathValidator.java

License:Apache License

protected void checkUnsupportedCriticalExtensions(TBSCertificateStructure crt, int certType,
        X509Certificate checkedProxy) throws ProxyPathValidatorException {

    logger.debug("enter: checkUnsupportedCriticalExtensions");

    X509Extensions extensions = crt.getExtensions();
    if (extensions != null) {
        Enumeration e = extensions.oids();
        while (e.hasMoreElements()) {
            DERObjectIdentifier oid = (DERObjectIdentifier) e.nextElement();
            X509Extension ext = extensions.getExtension(oid);
            if (ext.isCritical()) {
                if (oid.equals(X509Extensions.BasicConstraints) || oid.equals(X509Extensions.KeyUsage)
                        || (oid.equals(ProxyCertInfo.OID) && CertUtil.isGsi4Proxy(certType))
                        || (oid.equals(ProxyCertInfo.OLD_OID) && CertUtil.isGsi3Proxy(certType))) {
                } else {
                    throw new ProxyPathValidatorException(ProxyPathValidatorException.UNSUPPORTED_EXTENSION,
                            checkedProxy, "Unsuppored critical exception : " + oid.getId());
                }/*from  w ww.j a  v a2s.  c om*/
            }
        }
    }

    logger.debug("exit: checkUnsupportedCriticalExtensions");
}

From source file:io.aos.crypto.spl06.PKCS10CertCreateExample.java

License:Apache License

public static X509Certificate[] buildChain() throws Exception {
    // create the certification request
    KeyPair pair = Utils.generateRSAKeyPair();

    PKCS10CertificationRequest request = PKCS10ExtensionExample.generateRequest(pair);

    // create a root certificate
    KeyPair rootPair = Utils.generateRSAKeyPair();
    X509Certificate rootCert = X509V1CreateExample.generateV1Certificate(rootPair);

    // validate the certification request
    if (!request.verify("BC")) {
        System.out.println("request failed to verify!");
        System.exit(1);//from  w ww  .  j a v  a 2 s .  c o  m
    }

    // create the certificate using the information in the request
    X509V3CertificateGenerator certGen = new X509V3CertificateGenerator();

    certGen.setSerialNumber(BigInteger.valueOf(System.currentTimeMillis()));
    certGen.setIssuerDN(rootCert.getSubjectX500Principal());
    certGen.setNotBefore(new Date(System.currentTimeMillis()));
    certGen.setNotAfter(new Date(System.currentTimeMillis() + 50000));
    certGen.setSubjectDN(request.getCertificationRequestInfo().getSubject());
    certGen.setPublicKey(request.getPublicKey("BC"));
    certGen.setSignatureAlgorithm("SHA256WithRSAEncryption");

    certGen.addExtension(X509Extensions.AuthorityKeyIdentifier, false,
            new AuthorityKeyIdentifierStructure(rootCert));

    certGen.addExtension(X509Extensions.SubjectKeyIdentifier, false,
            new SubjectKeyIdentifierStructure(request.getPublicKey("BC")));

    certGen.addExtension(X509Extensions.BasicConstraints, true, new BasicConstraints(false));

    certGen.addExtension(X509Extensions.KeyUsage, true,
            new KeyUsage(KeyUsage.digitalSignature | KeyUsage.keyEncipherment));

    certGen.addExtension(X509Extensions.ExtendedKeyUsage, true,
            new ExtendedKeyUsage(KeyPurposeId.id_kp_serverAuth));

    // extract the extension request attribute
    ASN1Set attributes = request.getCertificationRequestInfo().getAttributes();

    for (int i = 0; i != attributes.size(); i++) {
        Attribute attr = Attribute.getInstance(attributes.getObjectAt(i));

        // process extension request
        if (attr.getAttrType().equals(PKCSObjectIdentifiers.pkcs_9_at_extensionRequest)) {
            X509Extensions extensions = X509Extensions.getInstance(attr.getAttrValues().getObjectAt(0));

            Enumeration e = extensions.oids();
            while (e.hasMoreElements()) {
                DERObjectIdentifier oid = (DERObjectIdentifier) e.nextElement();
                X509Extension ext = extensions.getExtension(oid);

                certGen.addExtension(oid, ext.isCritical(), ext.getValue().getOctets());
            }
        }
    }

    X509Certificate issuedCert = certGen.generateX509Certificate(rootPair.getPrivate());

    return new X509Certificate[] { issuedCert, rootCert };
}

From source file:org.cagrid.gaards.pki.BouncyCastleCertProcessingFactory.java

License:Open Source License

/**
 * Creates a proxy certificate. A set of X.509 extensions can be optionally
 * included in the new proxy certificate. <BR>
 * If a GSI-2 proxy is created, the serial number of the proxy certificate
 * will be the same as of the issuing certificate. Also, none of the
 * extensions in the issuing certificate will be copied into the proxy
 * certificate.<BR>//w w  w.  j  a  va2s  .c o m
 * If a GSI-3 proxy is created, the serial number of the proxy certificate
 * will be picked randomly. If the issuing certificate contains a
 * <i>KeyUsage</i> extension, the extension will be copied into the proxy
 * certificate with <i>keyCertSign</i> and <i>nonRepudiation</i> bits
 * turned off. No other extensions are currently copied.
 * 
 * @param issuerCert
 *            the issuing certificate
 * @param issuerKey
 *            private key matching the public key of issuer certificate. The
 *            new proxy certificate will be signed by that key.
 * @param publicKey
 *            the public key of the new certificate
 * @param lifetime
 *            lifetime of the new certificate in seconds. If 0 (or less
 *            then) the new certificate will have the same lifetime as the
 *            issuing certificate.
 * @param proxyType
 *            can be one of {@link GSIConstants#DELEGATION_LIMITED
 *            GSIConstants.DELEGATION_LIMITED},
 *            {@link GSIConstants#DELEGATION_FULL
 *            GSIConstants.DELEGATION_FULL},
 *            {@link GSIConstants#GSI_2_LIMITED_PROXY
 *            GSIConstants.GSI_2_LIMITED_PROXY},
 *            {@link GSIConstants#GSI_2_PROXY GSIConstants.GSI_2_PROXY},
 *            {@link GSIConstants#GSI_3_IMPERSONATION_PROXY
 *            GSIConstants.GSI_3_IMPERSONATION_PROXY},
 *            {@link GSIConstants#GSI_3_LIMITED_PROXY
 *            GSIConstants.GSI_3_LIMITED_PROXY},
 *            {@link GSIConstants#GSI_3_INDEPENDENT_PROXY
 *            GSIConstants.GSI_3_INDEPENDENT_PROXY},
 *            {@link GSIConstants#GSI_3_RESTRICTED_PROXY
 *            GSIConstants.GSI_3_RESTRICTED_PROXY}. If
 *            {@link GSIConstants#DELEGATION_LIMITED
 *            GSIConstants.DELEGATION_LIMITED} and if
 *            {@link CertUtil#isGsi3Enabled() CertUtil.isGsi3Enabled}
 *            returns true then a GSI-3 limited proxy will be created. If
 *            not, a GSI-2 limited proxy will be created. If
 *            {@link GSIConstants#DELEGATION_FULL
 *            GSIConstants.DELEGATION_FULL} and if
 *            {@link CertUtil#isGsi3Enabled() CertUtil.isGsi3Enabled}
 *            returns true then a GSI-3 impersonation proxy will be created.
 *            If not, a GSI-2 full proxy will be created.
 * @param extSet
 *            a set of X.509 extensions to be included in the new proxy
 *            certificate. Can be null. If delegation mode is
 *            {@link GSIConstants#GSI_3_RESTRICTED_PROXY
 *            GSIConstants.GSI_3_RESTRICTED_PROXY} then
 *            {@link org.globus.gsi.proxy.ext.ProxyCertInfoExtension 
 *            ProxyCertInfoExtension} must be present in the extension set.
 * @param cnValue
 *            the value of the CN component of the subject of the new
 *            certificate. If null, the defaults will be used depending on
 *            the proxy certificate type created.
 * @return <code>X509Certificate</code> the new proxy certificate.
 * @exception GeneralSecurityException
 *                if a security error occurs.
 */
public X509Certificate createProxyCertificate(String provider, X509Certificate issuerCert, PrivateKey issuerKey,
        PublicKey publicKey, int lifetime, int proxyType, X509ExtensionSet extSet, String cnValue,
        String signatureAlgorithm) throws GeneralSecurityException {

    if (proxyType == GSIConstants.DELEGATION_LIMITED) {
        int type = BouncyCastleUtil.getCertificateType(issuerCert);
        if (CertUtil.isGsi4Proxy(type)) {
            proxyType = GSIConstants.GSI_4_LIMITED_PROXY;
        } else if (CertUtil.isGsi3Proxy(type)) {
            proxyType = GSIConstants.GSI_3_LIMITED_PROXY;
        } else if (CertUtil.isGsi2Proxy(type)) {
            proxyType = GSIConstants.GSI_2_LIMITED_PROXY;
        } else {
            // default to Globus OID
            proxyType = (CertUtil.isGsi3Enabled()) ? GSIConstants.GSI_3_LIMITED_PROXY
                    : GSIConstants.GSI_2_LIMITED_PROXY;
        }
    } else if (proxyType == GSIConstants.DELEGATION_FULL) {
        int type = BouncyCastleUtil.getCertificateType(issuerCert);
        if (CertUtil.isGsi4Proxy(type)) {
            proxyType = GSIConstants.GSI_4_IMPERSONATION_PROXY;
        } else if (CertUtil.isGsi3Proxy(type)) {
            proxyType = GSIConstants.GSI_3_IMPERSONATION_PROXY;
        } else if (CertUtil.isGsi2Proxy(type)) {
            proxyType = GSIConstants.GSI_2_PROXY;
        } else {
            // Default to Globus OID
            proxyType = (CertUtil.isGsi3Enabled()) ? GSIConstants.GSI_3_IMPERSONATION_PROXY
                    : GSIConstants.GSI_2_PROXY;
        }
    }

    X509V3CertificateGenerator certGen = new X509V3CertificateGenerator();

    org.globus.gsi.X509Extension x509Ext = null;
    BigInteger serialNum = null;
    String delegDN = null;

    if (CertUtil.isGsi3Proxy(proxyType) || CertUtil.isGsi4Proxy(proxyType)) {
        Random rand = new Random();
        delegDN = String.valueOf(Math.abs(rand.nextInt()));
        serialNum = new BigInteger(20, rand);

        if (extSet != null) {
            x509Ext = extSet.get(ProxyCertInfo.OID.getId());
            if (x509Ext == null) {
                x509Ext = extSet.get(ProxyCertInfo.OLD_OID.getId());
            }
        }

        if (x509Ext == null) {
            // create ProxyCertInfo extension
            ProxyPolicy policy = null;
            if (CertUtil.isLimitedProxy(proxyType)) {
                policy = new ProxyPolicy(ProxyPolicy.LIMITED);
            } else if (CertUtil.isIndependentProxy(proxyType)) {
                policy = new ProxyPolicy(ProxyPolicy.INDEPENDENT);
            } else if (CertUtil.isImpersonationProxy(proxyType)) {
                // since limited has already been checked, this should work.
                policy = new ProxyPolicy(ProxyPolicy.IMPERSONATION);
            } else if ((proxyType == GSIConstants.GSI_3_RESTRICTED_PROXY)
                    || (proxyType == GSIConstants.GSI_4_RESTRICTED_PROXY)) {
                throw new IllegalArgumentException("Restricted proxy requires ProxyCertInfo extension");
            } else {
                throw new IllegalArgumentException("Invalid proxyType");
            }

            ProxyCertInfo proxyCertInfo = new ProxyCertInfo(policy);
            x509Ext = new ProxyCertInfoExtension(proxyCertInfo);
            if (CertUtil.isGsi4Proxy(proxyType)) {
                // RFC compliant OID
                x509Ext = new ProxyCertInfoExtension(proxyCertInfo);
            } else {
                // old OID
                x509Ext = new GlobusProxyCertInfoExtension(proxyCertInfo);
            }
        }

        try {
            // add ProxyCertInfo extension to the new cert
            certGen.addExtension(x509Ext.getOid(), x509Ext.isCritical(), x509Ext.getValue());

            // handle KeyUsage in issuer cert
            TBSCertificateStructure crt = BouncyCastleUtil.getTBSCertificateStructure(issuerCert);

            X509Extensions extensions = crt.getExtensions();
            if (extensions != null) {
                X509Extension ext;

                // handle key usage ext
                ext = extensions.getExtension(X509Extensions.KeyUsage);
                if (ext != null) {

                    // TBD: handle this better
                    if (extSet != null && (extSet.get(X509Extensions.KeyUsage.getId()) != null)) {
                        throw new GeneralSecurityException("KeyUsage extension present in X509ExtensionSet "
                                + "and in issuer certificate.");
                    }

                    DERBitString bits = (DERBitString) BouncyCastleUtil.getExtensionObject(ext);

                    byte[] bytes = bits.getBytes();

                    // make sure they are disabled
                    if ((bytes[0] & KeyUsage.nonRepudiation) != 0) {
                        bytes[0] ^= KeyUsage.nonRepudiation;
                    }

                    if ((bytes[0] & KeyUsage.keyCertSign) != 0) {
                        bytes[0] ^= KeyUsage.keyCertSign;
                    }

                    bits = new DERBitString(bytes, bits.getPadBits());

                    certGen.addExtension(X509Extensions.KeyUsage, ext.isCritical(), bits);
                }
            }

        } catch (IOException e) {
            // but this should not happen
            throw new GeneralSecurityException(e.getMessage());
        }

    } else if (proxyType == GSIConstants.GSI_2_LIMITED_PROXY) {
        delegDN = "limited proxy";
        serialNum = issuerCert.getSerialNumber();
    } else if (proxyType == GSIConstants.GSI_2_PROXY) {
        delegDN = "proxy";
        serialNum = issuerCert.getSerialNumber();
    } else {
        throw new IllegalArgumentException("Unsupported proxyType : " + proxyType);
    }

    // add specified extensions
    if (extSet != null) {
        Iterator iter = extSet.oidSet().iterator();
        while (iter.hasNext()) {
            String oid = (String) iter.next();
            // skip ProxyCertInfo extension
            if (oid.equals(ProxyCertInfo.OID.getId()) || oid.equals(ProxyCertInfo.OLD_OID.getId())) {
                continue;
            }
            x509Ext = (org.globus.gsi.X509Extension) extSet.get(oid);
            certGen.addExtension(x509Ext.getOid(), x509Ext.isCritical(), x509Ext.getValue());
        }
    }

    X509Name issuerDN = (X509Name) issuerCert.getSubjectDN();

    X509NameHelper issuer = new X509NameHelper(issuerDN);

    X509NameHelper subject = new X509NameHelper(issuerDN);
    subject.add(X509Name.CN, (cnValue == null) ? delegDN : cnValue);

    certGen.setSubjectDN(subject.getAsName());
    certGen.setIssuerDN(issuer.getAsName());

    certGen.setSerialNumber(serialNum);
    certGen.setPublicKey(publicKey);
    certGen.setSignatureAlgorithm(signatureAlgorithm);

    GregorianCalendar date = new GregorianCalendar(TimeZone.getTimeZone("GMT"));
    /* Allow for a five minute clock skew here. */
    date.add(Calendar.MINUTE, -5);
    certGen.setNotBefore(date.getTime());

    /* If hours = 0, then cert lifetime is set to user cert */
    if (lifetime <= 0) {
        certGen.setNotAfter(issuerCert.getNotAfter());
    } else {
        date.add(Calendar.MINUTE, 5);
        date.add(Calendar.SECOND, lifetime);
        certGen.setNotAfter(date.getTime());
    }

    /**
     * FIXME: Copy appropriate cert extensions - this should NOT be done the
     * last time we talked to Doug E. This should investigated more.
     */

    return certGen.generateX509Certificate(issuerKey, provider);
}

From source file:org.candlepin.util.X509CRLStreamWriter.java

License:Open Source License

protected void writeToEmptyCrl(OutputStream out) throws IOException {
    ASN1InputStream asn1in = null;
    try {/*from   w w w.j  a va2 s .c o  m*/
        asn1in = new ASN1InputStream(crlIn);
        DERSequence certListSeq = (DERSequence) asn1in.readObject();
        CertificateList certList = new CertificateList(certListSeq);
        X509CRLHolder oldCrl = new X509CRLHolder(certList);

        X509v2CRLBuilder crlBuilder = new X509v2CRLBuilder(oldCrl.getIssuer(), new Date());
        crlBuilder.addCRL(oldCrl);

        Date now = new Date();
        Date oldNextUpdate = certList.getNextUpdate().getDate();
        Date oldThisUpdate = certList.getThisUpdate().getDate();

        Date nextUpdate = new Date(now.getTime() + (oldNextUpdate.getTime() - oldThisUpdate.getTime()));
        crlBuilder.setNextUpdate(nextUpdate);

        for (Object o : oldCrl.getExtensionOIDs()) {
            ASN1ObjectIdentifier oid = (ASN1ObjectIdentifier) o;
            X509Extension ext = oldCrl.getExtension(oid);

            if (oid.equals(X509Extension.cRLNumber)) {
                DEROctetString octet = (DEROctetString) ext.getValue().getDERObject();
                DERInteger currentNumber = (DERInteger) DERTaggedObject.fromByteArray(octet.getOctets());
                DERInteger nextNumber = new DERInteger(currentNumber.getValue().add(BigInteger.ONE));

                crlBuilder.addExtension(oid, ext.isCritical(), nextNumber);
            } else if (oid.equals(X509Extension.authorityKeyIdentifier)) {
                crlBuilder.addExtension(oid, ext.isCritical(),
                        new AuthorityKeyIdentifierStructure(ext.getValue().getDEREncoded()));
            }
        }

        for (DERSequence entry : newEntries) {
            // XXX: This is all a bit messy considering the user already passed in the serial, date
            // and reason.
            BigInteger serial = ((DERInteger) entry.getObjectAt(0)).getValue();
            Date revokeDate = ((Time) entry.getObjectAt(1)).getDate();
            int reason = CRLReason.unspecified;
            if (entry.size() == 3) {
                X509Extensions extensions = (X509Extensions) entry.getObjectAt(2);
                X509Extension reasonExt = extensions.getExtension(X509Extension.reasonCode);

                if (reasonExt != null) {
                    reason = ((DEREnumerated) reasonExt.getParsedValue()).getValue().intValue();
                }
            }
            crlBuilder.addCRLEntry(serial, revokeDate, reason);
        }

        RSAKeyParameters keyParams = new RSAKeyParameters(true, key.getModulus(), key.getPrivateExponent());

        signingAlg = oldCrl.toASN1Structure().getSignatureAlgorithm();
        digestAlg = new DefaultDigestAlgorithmIdentifierFinder().find(signingAlg);

        ContentSigner s;
        try {
            s = new BcRSAContentSignerBuilder(signingAlg, digestAlg).build(keyParams);
            X509CRLHolder newCrl = crlBuilder.build(s);
            out.write(newCrl.getEncoded());
        } catch (OperatorCreationException e) {
            throw new IOException("Could not sign CRL", e);
        }
    } finally {
        IOUtils.closeQuietly(asn1in);
    }
}

From source file:org.ejbca.core.model.ca.caadmin.X509CA.java

License:Open Source License

/**
 * sequence is ignored by X509CA// w w w .j ava 2 s  . com
 */
public Certificate generateCertificate(UserDataVO subject, X509Name requestX509Name, PublicKey publicKey,
        int keyusage, Date notBefore, Date notAfter, CertificateProfile certProfile, X509Extensions extensions,
        String sequence, PublicKey caPublicKey, PrivateKey caPrivateKey, String provider) throws Exception {

    // We must only allow signing to take place if the CA itself if on line, even if the token is on-line.
    // We have to allow expired as well though, so we can renew expired CAs
    if ((getStatus() != SecConst.CA_ACTIVE) && ((getStatus() != SecConst.CA_EXPIRED))) {
        String msg = intres.getLocalizedMessage("error.caoffline", getName(), getStatus());
        if (log.isDebugEnabled()) {
            log.debug(msg); // This is something we handle so no need to log with higher priority
        }
        throw new CAOfflineException(msg);
    }

    final String sigAlg;
    if (certProfile.getSignatureAlgorithm() == null) {
        sigAlg = getCAInfo().getCATokenInfo().getSignatureAlgorithm();
    } else {
        sigAlg = certProfile.getSignatureAlgorithm();
    }
    final X509Certificate cacert = (X509Certificate) getCACertificate();
    String dn = subject.getCertificateDN();
    // Check if this is a root CA we are creating
    final boolean isRootCA = certProfile.getType() == CertificateProfile.TYPE_ROOTCA;

    // Get certificate validity time notBefore and notAfter
    final CertificateValidity val = new CertificateValidity(subject, certProfile, notBefore, notAfter, cacert,
            isRootCA);

    final X509V3CertificateGenerator certgen = new X509V3CertificateGenerator();
    {
        // Serialnumber is either random bits, where random generator is initialized by the serno generator.
        // Or a custom serial number defined in the end entity object
        final ExtendedInformation ei = subject.getExtendedinformation();
        BigInteger customSN = ei != null ? ei.certificateSerialNumber() : null;
        if (customSN != null) {
            if (!certProfile.getAllowCertSerialNumberOverride()) {
                final String msg = intres.getLocalizedMessage(
                        "signsession.certprof_not_allowing_cert_sn_override_using_normal",
                        customSN.toString(16));
                log.info(msg);
                customSN = null;
            } else {
                if (log.isDebugEnabled()) {
                    log.debug("Using custom serial number: " + customSN.toString(16));
                }
            }
        }
        final BigInteger serno = customSN != null ? customSN : SernoGenerator.instance().getSerno();
        certgen.setSerialNumber(serno);
    }
    certgen.setNotBefore(val.getNotBefore());
    certgen.setNotAfter(val.getNotAfter());
    certgen.setSignatureAlgorithm(sigAlg);

    // Make DNs
    if (certProfile.getUseSubjectDNSubSet()) {
        dn = certProfile.createSubjectDNSubSet(dn);
    }

    if (certProfile.getUseCNPostfix()) {
        dn = CertTools.insertCNPostfix(dn, certProfile.getCNPostfix());
    }

    X509NameEntryConverter converter = null;
    if (getUsePrintableStringSubjectDN()) {
        converter = new PrintableStringEntryConverter();
    } else {
        converter = new X509DefaultEntryConverter();
    }
    // Will we use LDAP DN order (CN first) or X500 DN order (CN last) for the subject DN
    boolean ldapdnorder = true;
    if ((getUseLdapDNOrder() == false) || (certProfile.getUseLdapDnOrder() == false)) {
        ldapdnorder = false;
    }
    X509Name subjectDNName = CertTools.stringToBcX509Name(dn, converter, ldapdnorder);
    if (certProfile.getAllowDNOverride() && (requestX509Name != null)) {
        subjectDNName = requestX509Name;
        if (log.isDebugEnabled()) {
            log.debug("Using X509Name from request instead of user's registered.");
        }
    }
    if (log.isDebugEnabled()) {
        log.debug("Using subjectDN: " + subjectDNName.toString());
    }
    certgen.setSubjectDN(subjectDNName);
    // We must take the issuer DN directly from the CA-certificate otherwise we risk re-ordering the DN
    // which many applications do not like.
    if (isRootCA) {
        // This will be an initial root CA, since no CA-certificate exists
        // Or it is a root CA, since the cert is self signed. If it is a root CA we want to use the same encoding for subject and issuer,
        // it might have changed over the years.
        if (log.isDebugEnabled()) {
            log.debug("Using subject DN also as issuer DN, because it is a root CA");
        }
        certgen.setIssuerDN(subjectDNName);
    } else {
        javax.security.auth.x500.X500Principal issuerPrincipal = cacert.getSubjectX500Principal();
        if (log.isDebugEnabled()) {
            log.debug("Using issuer DN directly from the CA certificate: " + issuerPrincipal.getName());
        }
        certgen.setIssuerDN(issuerPrincipal);
    }
    certgen.setPublicKey(publicKey);

    //
    // X509 Certificate Extensions
    //

    // Extensions we will add to the certificate, later when we have filled the structure with 
    // everything we want.
    X509ExtensionsGenerator extgen = new X509ExtensionsGenerator();

    // First we check if there is general extension override, and add all extensions from 
    // the request in that case
    if (certProfile.getAllowExtensionOverride() && extensions != null) {
        Enumeration en = extensions.oids();
        while (en != null && en.hasMoreElements()) {
            DERObjectIdentifier oid = (DERObjectIdentifier) en.nextElement();
            X509Extension ext = extensions.getExtension(oid);
            if (log.isDebugEnabled()) {
                log.debug("Overriding extension with oid: " + oid);
            }
            extgen.addExtension(oid, ext.isCritical(), ext.getValue().getOctets());
        }
    }

    // Second we see if there is Key usage override
    X509Extensions overridenexts = extgen.generate();
    if (certProfile.getAllowKeyUsageOverride() && (keyusage >= 0)) {
        if (log.isDebugEnabled()) {
            log.debug("AllowKeyUsageOverride=true. Using KeyUsage from parameter: " + keyusage);
        }
        if ((certProfile.getUseKeyUsage() == true) && (keyusage >= 0)) {
            X509KeyUsage ku = new X509KeyUsage(keyusage);
            // We don't want to try to add custom extensions with the same oid if we have already added them 
            // from the request, if AllowExtensionOverride is enabled.
            // Two extensions with the same oid is not allowed in the standard.
            if (overridenexts.getExtension(X509Extensions.KeyUsage) == null) {
                extgen.addExtension(X509Extensions.KeyUsage, certProfile.getKeyUsageCritical(), ku);
            } else {
                if (log.isDebugEnabled()) {
                    log.debug(
                            "KeyUsage was already overridden by an extension, not using KeyUsage from parameter.");
                }
            }
        }
    }

    // Third, check for standard Certificate Extensions that should be added.
    // Standard certificate extensions are defined in CertificateProfile and CertificateExtensionFactory
    // and implemented in package org.ejbca.core.model.certextensions.standard
    CertificateExtensionFactory fact = CertificateExtensionFactory.getInstance();
    List<String> usedStdCertExt = certProfile.getUsedStandardCertificateExtensions();
    Iterator<String> certStdExtIter = usedStdCertExt.iterator();
    overridenexts = extgen.generate();
    while (certStdExtIter.hasNext()) {
        String oid = certStdExtIter.next();
        // We don't want to try to add standard extensions with the same oid if we have already added them 
        // from the request, if AllowExtensionOverride is enabled.
        // Two extensions with the same oid is not allowed in the standard.
        if (overridenexts.getExtension(new DERObjectIdentifier(oid)) == null) {
            CertificateExtension certExt = fact.getStandardCertificateExtension(oid, certProfile);
            if (certExt != null) {
                byte[] value = certExt.getValueEncoded(subject, this, certProfile, publicKey, caPublicKey);
                if (value != null) {
                    extgen.addExtension(new DERObjectIdentifier(certExt.getOID()), certExt.isCriticalFlag(),
                            value);
                }
            }
        } else {
            if (log.isDebugEnabled()) {
                log.debug("Extension with oid " + oid
                        + " has been overridden, standard extension will not be added.");
            }
        }
    }

    // Fourth, check for custom Certificate Extensions that should be added.
    // Custom certificate extensions is defined in certextensions.properties
    fact = CertificateExtensionFactory.getInstance();
    List<Integer> usedCertExt = certProfile.getUsedCertificateExtensions();
    Iterator<Integer> certExtIter = usedCertExt.iterator();
    while (certExtIter.hasNext()) {
        Integer id = certExtIter.next();
        CertificateExtension certExt = fact.getCertificateExtensions(id);
        if (certExt != null) {
            // We don't want to try to add custom extensions with the same oid if we have already added them 
            // from the request, if AllowExtensionOverride is enabled.
            // Two extensions with the same oid is not allowed in the standard.
            if (overridenexts.getExtension(new DERObjectIdentifier(certExt.getOID())) == null) {
                byte[] value = certExt.getValueEncoded(subject, this, certProfile, publicKey, caPublicKey);
                if (value != null) {
                    extgen.addExtension(new DERObjectIdentifier(certExt.getOID()), certExt.isCriticalFlag(),
                            value);
                }
            } else {
                if (log.isDebugEnabled()) {
                    log.debug("Extension with oid " + certExt.getOID()
                            + " has been overridden, custom extension will not be added.");
                }
            }
        }
    }

    // Finally add extensions to certificate generator
    X509Extensions exts = extgen.generate();
    Enumeration en = exts.oids();
    while (en.hasMoreElements()) {
        DERObjectIdentifier oid = (DERObjectIdentifier) en.nextElement();
        X509Extension ext = exts.getExtension(oid);
        certgen.addExtension(oid, ext.isCritical(), ext.getValue().getOctets());
    }

    //
    // End of extensions
    //

    X509Certificate cert;
    if (log.isTraceEnabled()) {
        log.trace(">certgen.generate");
    }
    cert = certgen.generate(caPrivateKey, provider);
    if (log.isTraceEnabled()) {
        log.trace("<certgen.generate");
    }

    // Verify using the CA certificate before returning
    // If we can not verify the issued certificate using the CA certificate we don't want to issue this cert
    // because something is wrong...
    PublicKey verifyKey;
    // We must use the configured public key if this is a rootCA, because then we can renew our own certificate, after changing
    // the keys. In this case the _new_ key will not match the current CA certificate.
    if ((cacert != null) && (!isRootCA)) {
        verifyKey = cacert.getPublicKey();
    } else {
        verifyKey = caPublicKey;
    }
    cert.verify(verifyKey);

    // If we have a CA-certificate, verify that we have all path verification stuff correct
    if (cacert != null) {
        byte[] aki = CertTools.getAuthorityKeyId(cert);
        byte[] ski = CertTools.getSubjectKeyId(isRootCA ? cert : cacert);
        if ((aki != null) && (ski != null)) {
            boolean eq = Arrays.equals(aki, ski);
            if (!eq) {
                String akistr = new String(Hex.encode(aki));
                String skistr = new String(Hex.encode(ski));
                log.error(intres.getLocalizedMessage("signsession.errorpathverifykeyid", akistr, skistr));
            }
        }
        Principal issuerDN = cert.getIssuerX500Principal();
        Principal subjectDN = cacert.getSubjectX500Principal();
        if ((issuerDN != null) && (subjectDN != null)) {
            boolean eq = issuerDN.equals(subjectDN);
            if (!eq) {
                log.error(intres.getLocalizedMessage("signsession.errorpathverifydn", issuerDN.getName(),
                        subjectDN.getName()));
            }
        }
    }
    if (log.isDebugEnabled()) {
        log.debug("X509CA: generated certificate, CA " + this.getCAId() + " for DN: "
                + subject.getCertificateDN());
    }
    return cert;
}