Examples with Signature org.bouncycastle.asn1.ocsp.Signature used on opensource projects

Example 96 with Signature

use of org.bouncycastle.asn1.ocsp.Signature in project XobotOS by xamarin.

the class PKIXCertPathValidatorSpi method engineValidate.

// END android-added
public CertPathValidatorResult engineValidate(CertPath certPath, CertPathParameters params) throws CertPathValidatorException, InvalidAlgorithmParameterException {
    if (!(params instanceof PKIXParameters)) {
        throw new InvalidAlgorithmParameterException("Parameters must be a " + PKIXParameters.class.getName() + " instance.");
    }
    ExtendedPKIXParameters paramsPKIX;
    if (params instanceof ExtendedPKIXParameters) {
        paramsPKIX = (ExtendedPKIXParameters) params;
    } else {
        paramsPKIX = ExtendedPKIXParameters.getInstance((PKIXParameters) params);
    }
    if (paramsPKIX.getTrustAnchors() == null) {
        throw new InvalidAlgorithmParameterException("trustAnchors is null, this is not allowed for certification path validation.");
    }
    //
    // 6.1.1 - inputs
    //
    //
    // (a)
    //
    List certs = certPath.getCertificates();
    int n = certs.size();
    if (certs.isEmpty()) {
        throw new CertPathValidatorException("Certification path is empty.", null, certPath, 0);
    }
    // BEGIN android-added
    {
        X509Certificate cert = (X509Certificate) certs.get(0);
        if (cert != null) {
            BigInteger serial = cert.getSerialNumber();
            if (serial != null && SERIAL_BLACKLIST.contains(serial)) {
                // emulate CRL exception message in RFC3280CertPathUtilities.checkCRLs
                String message = "Certificate revocation of serial 0x" + serial.toString(16);
                System.out.println(message);
                AnnotatedException e = new AnnotatedException(message);
                throw new CertPathValidatorException(e.getMessage(), e, certPath, 0);
            }
        }
    }
    // END android-added
    //
    // (b)
    //
    // Date validDate = CertPathValidatorUtilities.getValidDate(paramsPKIX);
    //
    // (c)
    //
    Set userInitialPolicySet = paramsPKIX.getInitialPolicies();
    //
    // (d)
    // 
    TrustAnchor trust;
    try {
        trust = CertPathValidatorUtilities.findTrustAnchor((X509Certificate) certs.get(certs.size() - 1), paramsPKIX.getTrustAnchors(), paramsPKIX.getSigProvider());
    } catch (AnnotatedException e) {
        throw new CertPathValidatorException(e.getMessage(), e, certPath, certs.size() - 1);
    }
    if (trust == null) {
        throw new CertPathValidatorException("Trust anchor for certification path not found.", null, certPath, -1);
    }
    //
    // (e), (f), (g) are part of the paramsPKIX object.
    //
    Iterator certIter;
    int index = 0;
    int i;
    // Certificate for each interation of the validation loop
    // Signature information for each iteration of the validation loop
    //
    // 6.1.2 - setup
    //
    //
    // (a)
    //
    List[] policyNodes = new ArrayList[n + 1];
    for (int j = 0; j < policyNodes.length; j++) {
        policyNodes[j] = new ArrayList();
    }
    Set policySet = new HashSet();
    policySet.add(RFC3280CertPathUtilities.ANY_POLICY);
    PKIXPolicyNode validPolicyTree = new PKIXPolicyNode(new ArrayList(), 0, policySet, null, new HashSet(), RFC3280CertPathUtilities.ANY_POLICY, false);
    policyNodes[0].add(validPolicyTree);
    //
    // (b) and (c)
    //
    PKIXNameConstraintValidator nameConstraintValidator = new PKIXNameConstraintValidator();
    // (d)
    //
    int explicitPolicy;
    Set acceptablePolicies = new HashSet();
    if (paramsPKIX.isExplicitPolicyRequired()) {
        explicitPolicy = 0;
    } else {
        explicitPolicy = n + 1;
    }
    //
    // (e)
    //
    int inhibitAnyPolicy;
    if (paramsPKIX.isAnyPolicyInhibited()) {
        inhibitAnyPolicy = 0;
    } else {
        inhibitAnyPolicy = n + 1;
    }
    //
    // (f)
    //
    int policyMapping;
    if (paramsPKIX.isPolicyMappingInhibited()) {
        policyMapping = 0;
    } else {
        policyMapping = n + 1;
    }
    //
    // (g), (h), (i), (j)
    //
    PublicKey workingPublicKey;
    X500Principal workingIssuerName;
    X509Certificate sign = trust.getTrustedCert();
    try {
        if (sign != null) {
            workingIssuerName = CertPathValidatorUtilities.getSubjectPrincipal(sign);
            workingPublicKey = sign.getPublicKey();
        } else {
            workingIssuerName = new X500Principal(trust.getCAName());
            workingPublicKey = trust.getCAPublicKey();
        }
    } catch (IllegalArgumentException ex) {
        throw new ExtCertPathValidatorException("Subject of trust anchor could not be (re)encoded.", ex, certPath, -1);
    }
    AlgorithmIdentifier workingAlgId = null;
    try {
        workingAlgId = CertPathValidatorUtilities.getAlgorithmIdentifier(workingPublicKey);
    } catch (CertPathValidatorException e) {
        throw new ExtCertPathValidatorException("Algorithm identifier of public key of trust anchor could not be read.", e, certPath, -1);
    }
    DERObjectIdentifier workingPublicKeyAlgorithm = workingAlgId.getObjectId();
    DEREncodable workingPublicKeyParameters = workingAlgId.getParameters();
    //
    // (k)
    //
    int maxPathLength = n;
    if (paramsPKIX.getTargetConstraints() != null && !paramsPKIX.getTargetConstraints().match((X509Certificate) certs.get(0))) {
        throw new ExtCertPathValidatorException("Target certificate in certification path does not match targetConstraints.", null, certPath, 0);
    }
    // 
    // initialize CertPathChecker's
    //
    List pathCheckers = paramsPKIX.getCertPathCheckers();
    certIter = pathCheckers.iterator();
    while (certIter.hasNext()) {
        ((PKIXCertPathChecker) certIter.next()).init(false);
    }
    X509Certificate cert = null;
    for (index = certs.size() - 1; index >= 0; index--) {
        // BEGIN android-added
        if (isPublicKeyBlackListed(workingPublicKey)) {
            // emulate CRL exception message in RFC3280CertPathUtilities.checkCRLs
            String message = "Certificate revocation of public key " + workingPublicKey;
            System.out.println(message);
            AnnotatedException e = new AnnotatedException(message);
            throw new CertPathValidatorException(e.getMessage(), e, certPath, index);
        }
        // END android-added
        // try
        // {
        //
        // i as defined in the algorithm description
        //
        i = n - index;
        //
        // set certificate to be checked in this round
        // sign and workingPublicKey and workingIssuerName are set
        // at the end of the for loop and initialized the
        // first time from the TrustAnchor
        //
        cert = (X509Certificate) certs.get(index);
        boolean verificationAlreadyPerformed = (index == certs.size() - 1);
        //
        // 6.1.3
        //
        RFC3280CertPathUtilities.processCertA(certPath, paramsPKIX, index, workingPublicKey, verificationAlreadyPerformed, workingIssuerName, sign);
        RFC3280CertPathUtilities.processCertBC(certPath, index, nameConstraintValidator);
        validPolicyTree = RFC3280CertPathUtilities.processCertD(certPath, index, acceptablePolicies, validPolicyTree, policyNodes, inhibitAnyPolicy);
        validPolicyTree = RFC3280CertPathUtilities.processCertE(certPath, index, validPolicyTree);
        RFC3280CertPathUtilities.processCertF(certPath, index, validPolicyTree, explicitPolicy);
        if (i != n) {
            if (cert != null && cert.getVersion() == 1) {
                throw new CertPathValidatorException("Version 1 certificates can't be used as CA ones.", null, certPath, index);
            }
            RFC3280CertPathUtilities.prepareNextCertA(certPath, index);
            validPolicyTree = RFC3280CertPathUtilities.prepareCertB(certPath, index, policyNodes, validPolicyTree, policyMapping);
            RFC3280CertPathUtilities.prepareNextCertG(certPath, index, nameConstraintValidator);
            // (h)
            explicitPolicy = RFC3280CertPathUtilities.prepareNextCertH1(certPath, index, explicitPolicy);
            policyMapping = RFC3280CertPathUtilities.prepareNextCertH2(certPath, index, policyMapping);
            inhibitAnyPolicy = RFC3280CertPathUtilities.prepareNextCertH3(certPath, index, inhibitAnyPolicy);
            //
            // (i)
            //
            explicitPolicy = RFC3280CertPathUtilities.prepareNextCertI1(certPath, index, explicitPolicy);
            policyMapping = RFC3280CertPathUtilities.prepareNextCertI2(certPath, index, policyMapping);
            // (j)
            inhibitAnyPolicy = RFC3280CertPathUtilities.prepareNextCertJ(certPath, index, inhibitAnyPolicy);
            // (k)
            RFC3280CertPathUtilities.prepareNextCertK(certPath, index);
            // (l)
            maxPathLength = RFC3280CertPathUtilities.prepareNextCertL(certPath, index, maxPathLength);
            // (m)
            maxPathLength = RFC3280CertPathUtilities.prepareNextCertM(certPath, index, maxPathLength);
            // (n)
            RFC3280CertPathUtilities.prepareNextCertN(certPath, index);
            Set criticalExtensions = cert.getCriticalExtensionOIDs();
            if (criticalExtensions != null) {
                criticalExtensions = new HashSet(criticalExtensions);
                // these extensions are handled by the algorithm
                criticalExtensions.remove(RFC3280CertPathUtilities.KEY_USAGE);
                criticalExtensions.remove(RFC3280CertPathUtilities.CERTIFICATE_POLICIES);
                criticalExtensions.remove(RFC3280CertPathUtilities.POLICY_MAPPINGS);
                criticalExtensions.remove(RFC3280CertPathUtilities.INHIBIT_ANY_POLICY);
                criticalExtensions.remove(RFC3280CertPathUtilities.ISSUING_DISTRIBUTION_POINT);
                criticalExtensions.remove(RFC3280CertPathUtilities.DELTA_CRL_INDICATOR);
                criticalExtensions.remove(RFC3280CertPathUtilities.POLICY_CONSTRAINTS);
                criticalExtensions.remove(RFC3280CertPathUtilities.BASIC_CONSTRAINTS);
                criticalExtensions.remove(RFC3280CertPathUtilities.SUBJECT_ALTERNATIVE_NAME);
                criticalExtensions.remove(RFC3280CertPathUtilities.NAME_CONSTRAINTS);
            } else {
                criticalExtensions = new HashSet();
            }
            // (o)
            RFC3280CertPathUtilities.prepareNextCertO(certPath, index, criticalExtensions, pathCheckers);
            // set signing certificate for next round
            sign = cert;
            // (c)
            workingIssuerName = CertPathValidatorUtilities.getSubjectPrincipal(sign);
            // (d)
            try {
                workingPublicKey = CertPathValidatorUtilities.getNextWorkingKey(certPath.getCertificates(), index);
            } catch (CertPathValidatorException e) {
                throw new CertPathValidatorException("Next working key could not be retrieved.", e, certPath, index);
            }
            workingAlgId = CertPathValidatorUtilities.getAlgorithmIdentifier(workingPublicKey);
            // (f)
            workingPublicKeyAlgorithm = workingAlgId.getObjectId();
            // (e)
            workingPublicKeyParameters = workingAlgId.getParameters();
        }
    }
    //
    // 6.1.5 Wrap-up procedure
    //
    explicitPolicy = RFC3280CertPathUtilities.wrapupCertA(explicitPolicy, cert);
    explicitPolicy = RFC3280CertPathUtilities.wrapupCertB(certPath, index + 1, explicitPolicy);
    //
    // (c) (d) and (e) are already done
    //
    //
    // (f)
    //
    Set criticalExtensions = cert.getCriticalExtensionOIDs();
    if (criticalExtensions != null) {
        criticalExtensions = new HashSet(criticalExtensions);
        // these extensions are handled by the algorithm
        criticalExtensions.remove(RFC3280CertPathUtilities.KEY_USAGE);
        criticalExtensions.remove(RFC3280CertPathUtilities.CERTIFICATE_POLICIES);
        criticalExtensions.remove(RFC3280CertPathUtilities.POLICY_MAPPINGS);
        criticalExtensions.remove(RFC3280CertPathUtilities.INHIBIT_ANY_POLICY);
        criticalExtensions.remove(RFC3280CertPathUtilities.ISSUING_DISTRIBUTION_POINT);
        criticalExtensions.remove(RFC3280CertPathUtilities.DELTA_CRL_INDICATOR);
        criticalExtensions.remove(RFC3280CertPathUtilities.POLICY_CONSTRAINTS);
        criticalExtensions.remove(RFC3280CertPathUtilities.BASIC_CONSTRAINTS);
        criticalExtensions.remove(RFC3280CertPathUtilities.SUBJECT_ALTERNATIVE_NAME);
        criticalExtensions.remove(RFC3280CertPathUtilities.NAME_CONSTRAINTS);
        criticalExtensions.remove(RFC3280CertPathUtilities.CRL_DISTRIBUTION_POINTS);
    } else {
        criticalExtensions = new HashSet();
    }
    RFC3280CertPathUtilities.wrapupCertF(certPath, index + 1, pathCheckers, criticalExtensions);
    PKIXPolicyNode intersection = RFC3280CertPathUtilities.wrapupCertG(certPath, paramsPKIX, userInitialPolicySet, index + 1, policyNodes, validPolicyTree, acceptablePolicies);
    if ((explicitPolicy > 0) || (intersection != null)) {
        return new PKIXCertPathValidatorResult(trust, intersection, cert.getPublicKey());
    }
    throw new CertPathValidatorException("Path processing failed on policy.", null, certPath, index);
}

Example 97 with Signature

use of org.bouncycastle.asn1.ocsp.Signature in project XobotOS by xamarin.

the class X509CRLObject method toString.

/**
     * Returns a string representation of this CRL.
     *
     * @return a string representation of this CRL.
     */
public String toString() {
    StringBuffer buf = new StringBuffer();
    String nl = System.getProperty("line.separator");
    buf.append("              Version: ").append(this.getVersion()).append(nl);
    buf.append("             IssuerDN: ").append(this.getIssuerDN()).append(nl);
    buf.append("          This update: ").append(this.getThisUpdate()).append(nl);
    buf.append("          Next update: ").append(this.getNextUpdate()).append(nl);
    buf.append("  Signature Algorithm: ").append(this.getSigAlgName()).append(nl);
    byte[] sig = this.getSignature();
    buf.append("            Signature: ").append(new String(Hex.encode(sig, 0, 20))).append(nl);
    for (int i = 20; i < sig.length; i += 20) {
        if (i < sig.length - 20) {
            buf.append("                       ").append(new String(Hex.encode(sig, i, 20))).append(nl);
        } else {
            buf.append("                       ").append(new String(Hex.encode(sig, i, sig.length - i))).append(nl);
        }
    }
    X509Extensions extensions = c.getTBSCertList().getExtensions();
    if (extensions != null) {
        Enumeration e = extensions.oids();
        if (e.hasMoreElements()) {
            buf.append("           Extensions: ").append(nl);
        }
        while (e.hasMoreElements()) {
            DERObjectIdentifier oid = (DERObjectIdentifier) e.nextElement();
            X509Extension ext = extensions.getExtension(oid);
            if (ext.getValue() != null) {
                byte[] octs = ext.getValue().getOctets();
                ASN1InputStream dIn = new ASN1InputStream(octs);
                buf.append("                       critical(").append(ext.isCritical()).append(") ");
                try {
                    if (oid.equals(X509Extensions.CRLNumber)) {
                        buf.append(new CRLNumber(DERInteger.getInstance(dIn.readObject()).getPositiveValue())).append(nl);
                    } else if (oid.equals(X509Extensions.DeltaCRLIndicator)) {
                        buf.append("Base CRL: " + new CRLNumber(DERInteger.getInstance(dIn.readObject()).getPositiveValue())).append(nl);
                    } else if (oid.equals(X509Extensions.IssuingDistributionPoint)) {
                        buf.append(new IssuingDistributionPoint((ASN1Sequence) dIn.readObject())).append(nl);
                    } else if (oid.equals(X509Extensions.CRLDistributionPoints)) {
                        buf.append(new CRLDistPoint((ASN1Sequence) dIn.readObject())).append(nl);
                    } else if (oid.equals(X509Extensions.FreshestCRL)) {
                        buf.append(new CRLDistPoint((ASN1Sequence) dIn.readObject())).append(nl);
                    } else {
                        buf.append(oid.getId());
                        buf.append(" value = ").append(ASN1Dump.dumpAsString(dIn.readObject())).append(nl);
                    }
                } catch (Exception ex) {
                    buf.append(oid.getId());
                    buf.append(" value = ").append("*****").append(nl);
                }
            } else {
                buf.append(nl);
            }
        }
    }
    Set set = getRevokedCertificates();
    if (set != null) {
        Iterator it = set.iterator();
        while (it.hasNext()) {
            buf.append(it.next());
            buf.append(nl);
        }
    }
    return buf.toString();
}

Example 98 with Signature

use of org.bouncycastle.asn1.ocsp.Signature in project XobotOS by xamarin.

the class X509V3CertificateGenerator method generate.

/**
     * generate an X509 certificate, based on the current issuer and subject,
     * using the passed in provider for the signing and the supplied source
     * of randomness, if required.
     */
public X509Certificate generate(PrivateKey key, String provider, SecureRandom random) throws CertificateEncodingException, IllegalStateException, NoSuchProviderException, NoSuchAlgorithmException, SignatureException, InvalidKeyException {
    TBSCertificateStructure tbsCert = generateTbsCert();
    byte[] signature;
    try {
        signature = X509Util.calculateSignature(sigOID, signatureAlgorithm, provider, key, random, tbsCert);
    } catch (IOException e) {
        throw new ExtCertificateEncodingException("exception encoding TBS cert", e);
    }
    try {
        return generateJcaObject(tbsCert, signature);
    } catch (CertificateParsingException e) {
        throw new ExtCertificateEncodingException("exception producing certificate object", e);
    }
}

Example 99 with Signature

use of org.bouncycastle.asn1.ocsp.Signature in project XobotOS by xamarin.

the class X509V3CertificateGenerator method generate.

/**
     * generate an X509 certificate, based on the current issuer and subject
     * using the default provider, and the passed in source of randomness
     * (if required).
     * <p>
     * <b>Note:</b> this differs from the deprecated method in that the default provider is
     * used - not "BC".
     * </p>
     */
public X509Certificate generate(PrivateKey key, SecureRandom random) throws CertificateEncodingException, IllegalStateException, NoSuchAlgorithmException, SignatureException, InvalidKeyException {
    TBSCertificateStructure tbsCert = generateTbsCert();
    byte[] signature;
    try {
        signature = X509Util.calculateSignature(sigOID, signatureAlgorithm, key, random, tbsCert);
    } catch (IOException e) {
        throw new ExtCertificateEncodingException("exception encoding TBS cert", e);
    }
    try {
        return generateJcaObject(tbsCert, signature);
    } catch (CertificateParsingException e) {
        throw new ExtCertificateEncodingException("exception producing certificate object", e);
    }
}

Example 100 with Signature

use of org.bouncycastle.asn1.ocsp.Signature in project XobotOS by xamarin.

the class X509V1CertificateGenerator method generate.

/**
     * generate an X509 certificate, based on the current issuer and subject,
     * using the passed in provider for the signing, and the passed in source
     * of randomness (if required).
     */
public X509Certificate generate(PrivateKey key, String provider, SecureRandom random) throws CertificateEncodingException, IllegalStateException, NoSuchProviderException, NoSuchAlgorithmException, SignatureException, InvalidKeyException {
    TBSCertificateStructure tbsCert = tbsGen.generateTBSCertificate();
    byte[] signature;
    try {
        signature = X509Util.calculateSignature(sigOID, signatureAlgorithm, provider, key, random, tbsCert);
    } catch (IOException e) {
        throw new ExtCertificateEncodingException("exception encoding TBS cert", e);
    }
    return generateJcaObject(tbsCert, signature);
}