Examples with Signature com.github.zhenwei.core.asn1.ocsp.Signature used on opensource projects

Example 21 with Signature

use of com.github.zhenwei.core.asn1.ocsp.Signature in project LinLong-Java by zhenwei1108.

the class PKIXCertPathReviewer method checkSignatures.

/*
   * checks: - signatures - name chaining - validity of certificates - todo:
   * if certificate revoked (if specified in the parameters)
   */
private void checkSignatures() {
    // 1.6.1 - Inputs
    // d)
    TrustAnchor trust = null;
    X500Principal trustPrincipal = null;
    // validation date
    {
        ErrorBundle msg = new ErrorBundle(RESOURCE_NAME, "CertPathReviewer.certPathValidDate", new Object[] { new TrustedInput(validDate), new TrustedInput(currentDate) });
        addNotification(msg);
    }
    // find trust anchors
    try {
        X509Certificate cert = (X509Certificate) certs.get(certs.size() - 1);
        Collection trustColl = getTrustAnchors(cert, pkixParams.getTrustAnchors());
        if (trustColl.size() > 1) {
            // conflicting trust anchors
            ErrorBundle msg = new ErrorBundle(RESOURCE_NAME, "CertPathReviewer.conflictingTrustAnchors", new Object[] { Integers.valueOf(trustColl.size()), new UntrustedInput(cert.getIssuerX500Principal()) });
            addError(msg);
        } else if (trustColl.isEmpty()) {
            ErrorBundle msg = new ErrorBundle(RESOURCE_NAME, "CertPathReviewer.noTrustAnchorFound", new Object[] { new UntrustedInput(cert.getIssuerX500Principal()), Integers.valueOf(pkixParams.getTrustAnchors().size()) });
            addError(msg);
        } else {
            PublicKey trustPublicKey;
            trust = (TrustAnchor) trustColl.iterator().next();
            if (trust.getTrustedCert() != null) {
                trustPublicKey = trust.getTrustedCert().getPublicKey();
            } else {
                trustPublicKey = trust.getCAPublicKey();
            }
            try {
                CertPathValidatorUtilities.verifyX509Certificate(cert, trustPublicKey, pkixParams.getSigProvider());
            } catch (SignatureException e) {
                ErrorBundle msg = new ErrorBundle(RESOURCE_NAME, "CertPathReviewer.trustButInvalidCert");
                addError(msg);
            } catch (Exception e) {
            // do nothing, error occurs again later
            }
        }
    } catch (CertPathReviewerException cpre) {
        addError(cpre.getErrorMessage());
    } catch (Throwable t) {
        ErrorBundle msg = new ErrorBundle(RESOURCE_NAME, "CertPathReviewer.unknown", new Object[] { new UntrustedInput(t.getMessage()), new UntrustedInput(t) });
        addError(msg);
    }
    if (trust != null) {
        // get the name of the trustAnchor
        X509Certificate sign = trust.getTrustedCert();
        try {
            if (sign != null) {
                trustPrincipal = getSubjectPrincipal(sign);
            } else {
                trustPrincipal = new X500Principal(trust.getCAName());
            }
        } catch (IllegalArgumentException ex) {
            ErrorBundle msg = new ErrorBundle(RESOURCE_NAME, "CertPathReviewer.trustDNInvalid", new Object[] { new UntrustedInput(trust.getCAName()) });
            addError(msg);
        }
        // test key usages of the trust anchor
        if (sign != null) {
            boolean[] ku = sign.getKeyUsage();
            if (ku != null && (ku.length <= 5 || !ku[5])) {
                ErrorBundle msg = new ErrorBundle(RESOURCE_NAME, "CertPathReviewer.trustKeyUsage");
                addNotification(msg);
            }
        }
    }
    // 1.6.2 - Initialization
    PublicKey workingPublicKey = null;
    X500Principal workingIssuerName = trustPrincipal;
    X509Certificate sign = null;
    AlgorithmIdentifier workingAlgId = null;
    ASN1ObjectIdentifier workingPublicKeyAlgorithm = null;
    ASN1Encodable workingPublicKeyParameters = null;
    if (trust != null) {
        sign = trust.getTrustedCert();
        if (sign != null) {
            workingPublicKey = sign.getPublicKey();
        } else {
            workingPublicKey = trust.getCAPublicKey();
        }
        try {
            workingAlgId = getAlgorithmIdentifier(workingPublicKey);
            workingPublicKeyAlgorithm = workingAlgId.getAlgorithm();
            workingPublicKeyParameters = workingAlgId.getParameters();
        } catch (CertPathValidatorException ex) {
            ErrorBundle msg = new ErrorBundle(RESOURCE_NAME, "CertPathReviewer.trustPubKeyError");
            addError(msg);
            workingAlgId = null;
        }
    }
    // Basic cert checks
    X509Certificate cert = null;
    int i;
    for (int index = certs.size() - 1; index >= 0; index--) {
        // 
        // 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 initialied the
        // first time from the TrustAnchor
        // 
        cert = (X509Certificate) certs.get(index);
        // verify signature
        if (workingPublicKey != null) {
            try {
                CertPathValidatorUtilities.verifyX509Certificate(cert, workingPublicKey, pkixParams.getSigProvider());
            } catch (GeneralSecurityException ex) {
                ErrorBundle msg = new ErrorBundle(RESOURCE_NAME, "CertPathReviewer.signatureNotVerified", new Object[] { ex.getMessage(), ex, ex.getClass().getName() });
                addError(msg, index);
            }
        } else if (isSelfIssued(cert)) {
            try {
                CertPathValidatorUtilities.verifyX509Certificate(cert, cert.getPublicKey(), pkixParams.getSigProvider());
                ErrorBundle msg = new ErrorBundle(RESOURCE_NAME, "CertPathReviewer.rootKeyIsValidButNotATrustAnchor");
                addError(msg, index);
            } catch (GeneralSecurityException ex) {
                ErrorBundle msg = new ErrorBundle(RESOURCE_NAME, "CertPathReviewer.signatureNotVerified", new Object[] { ex.getMessage(), ex, ex.getClass().getName() });
                addError(msg, index);
            }
        } else {
            ErrorBundle msg = new ErrorBundle(RESOURCE_NAME, "CertPathReviewer.NoIssuerPublicKey");
            // if there is an authority key extension add the serial and issuer of the missing certificate
            byte[] akiBytes = cert.getExtensionValue(Extension.authorityKeyIdentifier.getId());
            if (akiBytes != null) {
                AuthorityKeyIdentifier aki = AuthorityKeyIdentifier.getInstance(DEROctetString.getInstance(akiBytes).getOctets());
                GeneralNames issuerNames = aki.getAuthorityCertIssuer();
                if (issuerNames != null) {
                    GeneralName name = issuerNames.getNames()[0];
                    BigInteger serial = aki.getAuthorityCertSerialNumber();
                    if (serial != null) {
                        Object[] extraArgs = { new LocaleString(RESOURCE_NAME, "missingIssuer"), " \"", name, "\" ", new LocaleString(RESOURCE_NAME, "missingSerial"), " ", serial };
                        msg.setExtraArguments(extraArgs);
                    }
                }
            }
            addError(msg, index);
        }
        // certificate valid?
        try {
            cert.checkValidity(validDate);
        } catch (CertificateNotYetValidException cnve) {
            ErrorBundle msg = new ErrorBundle(RESOURCE_NAME, "CertPathReviewer.certificateNotYetValid", new Object[] { new TrustedInput(cert.getNotBefore()) });
            addError(msg, index);
        } catch (CertificateExpiredException cee) {
            ErrorBundle msg = new ErrorBundle(RESOURCE_NAME, "CertPathReviewer.certificateExpired", new Object[] { new TrustedInput(cert.getNotAfter()) });
            addError(msg, index);
        }
        // certificate revoked?
        if (pkixParams.isRevocationEnabled()) {
            // read crl distribution points extension
            CRLDistPoint crlDistPoints = null;
            try {
                ASN1Primitive crl_dp = getExtensionValue(cert, CRL_DIST_POINTS);
                if (crl_dp != null) {
                    crlDistPoints = CRLDistPoint.getInstance(crl_dp);
                }
            } catch (AnnotatedException ae) {
                ErrorBundle msg = new ErrorBundle(RESOURCE_NAME, "CertPathReviewer.crlDistPtExtError");
                addError(msg, index);
            }
            // read authority information access extension
            AuthorityInformationAccess authInfoAcc = null;
            try {
                ASN1Primitive auth_info_acc = getExtensionValue(cert, AUTH_INFO_ACCESS);
                if (auth_info_acc != null) {
                    authInfoAcc = AuthorityInformationAccess.getInstance(auth_info_acc);
                }
            } catch (AnnotatedException ae) {
                ErrorBundle msg = new ErrorBundle(RESOURCE_NAME, "CertPathReviewer.crlAuthInfoAccError");
                addError(msg, index);
            }
            Vector crlDistPointUrls = getCRLDistUrls(crlDistPoints);
            Vector ocspUrls = getOCSPUrls(authInfoAcc);
            // add notifications with the crl distribution points
            // output crl distribution points
            Iterator urlIt = crlDistPointUrls.iterator();
            while (urlIt.hasNext()) {
                ErrorBundle msg = new ErrorBundle(RESOURCE_NAME, "CertPathReviewer.crlDistPoint", new Object[] { new UntrustedUrlInput(urlIt.next()) });
                addNotification(msg, index);
            }
            // output ocsp urls
            urlIt = ocspUrls.iterator();
            while (urlIt.hasNext()) {
                ErrorBundle msg = new ErrorBundle(RESOURCE_NAME, "CertPathReviewer.ocspLocation", new Object[] { new UntrustedUrlInput(urlIt.next()) });
                addNotification(msg, index);
            }
            // check CRLs
            try {
                checkRevocation(pkixParams, cert, validDate, sign, workingPublicKey, crlDistPointUrls, ocspUrls, index);
            } catch (CertPathReviewerException cpre) {
                addError(cpre.getErrorMessage(), index);
            }
        }
        // certificate issuer correct
        if (workingIssuerName != null && !cert.getIssuerX500Principal().equals(workingIssuerName)) {
            ErrorBundle msg = new ErrorBundle(RESOURCE_NAME, "CertPathReviewer.certWrongIssuer", new Object[] { workingIssuerName.getName(), cert.getIssuerX500Principal().getName() });
            addError(msg, index);
        }
        // 
        if (i != n) {
            if (cert != null && cert.getVersion() == 1) {
                ErrorBundle msg = new ErrorBundle(RESOURCE_NAME, "CertPathReviewer.noCACert");
                addError(msg, index);
            }
            // k)
            BasicConstraints bc;
            try {
                bc = BasicConstraints.getInstance(getExtensionValue(cert, BASIC_CONSTRAINTS));
                if (bc != null) {
                    if (!bc.isCA()) {
                        ErrorBundle msg = new ErrorBundle(RESOURCE_NAME, "CertPathReviewer.noCACert");
                        addError(msg, index);
                    }
                } else {
                    ErrorBundle msg = new ErrorBundle(RESOURCE_NAME, "CertPathReviewer.noBasicConstraints");
                    addError(msg, index);
                }
            } catch (AnnotatedException ae) {
                ErrorBundle msg = new ErrorBundle(RESOURCE_NAME, "CertPathReviewer.errorProcesingBC");
                addError(msg, index);
            }
            // n)
            boolean[] keyUsage = cert.getKeyUsage();
            if (keyUsage != null && (keyUsage.length <= KEY_CERT_SIGN || !keyUsage[KEY_CERT_SIGN])) {
                ErrorBundle msg = new ErrorBundle(RESOURCE_NAME, "CertPathReviewer.noCertSign");
                addError(msg, index);
            }
        }
        // if
        // set signing certificate for next round
        sign = cert;
        // c)
        workingIssuerName = cert.getSubjectX500Principal();
        try {
            workingPublicKey = getNextWorkingKey(certs, index);
            workingAlgId = getAlgorithmIdentifier(workingPublicKey);
            workingPublicKeyAlgorithm = workingAlgId.getAlgorithm();
            workingPublicKeyParameters = workingAlgId.getParameters();
        } catch (CertPathValidatorException ex) {
            ErrorBundle msg = new ErrorBundle(RESOURCE_NAME, "CertPathReviewer.pubKeyError");
            addError(msg, index);
            workingAlgId = null;
            workingPublicKeyAlgorithm = null;
            workingPublicKeyParameters = null;
        }
    }
    // for
    trustAnchor = trust;
    subjectPublicKey = workingPublicKey;
}

Example 22 with Signature

use of com.github.zhenwei.core.asn1.ocsp.Signature in project LinLong-Java by zhenwei1108.

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 = Strings.lineSeparator();
    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);
        }
    }
    Extensions extensions = c.getTBSCertList().getExtensions();
    if (extensions != null) {
        Enumeration e = extensions.oids();
        if (e.hasMoreElements()) {
            buf.append("           Extensions: ").append(nl);
        }
        while (e.hasMoreElements()) {
            ASN1ObjectIdentifier oid = (ASN1ObjectIdentifier) e.nextElement();
            Extension ext = extensions.getExtension(oid);
            if (ext.getExtnValue() != null) {
                byte[] octs = ext.getExtnValue().getOctets();
                ASN1InputStream dIn = new ASN1InputStream(octs);
                buf.append("                       critical(").append(ext.isCritical()).append(") ");
                try {
                    if (oid.equals(Extension.cRLNumber)) {
                        buf.append(new CRLNumber(ASN1Integer.getInstance(dIn.readObject()).getPositiveValue())).append(nl);
                    } else if (oid.equals(Extension.deltaCRLIndicator)) {
                        buf.append("Base CRL: " + new CRLNumber(ASN1Integer.getInstance(dIn.readObject()).getPositiveValue())).append(nl);
                    } else if (oid.equals(Extension.issuingDistributionPoint)) {
                        buf.append(IssuingDistributionPoint.getInstance(dIn.readObject())).append(nl);
                    } else if (oid.equals(Extension.cRLDistributionPoints)) {
                        buf.append(CRLDistPoint.getInstance(dIn.readObject())).append(nl);
                    } else if (oid.equals(Extension.freshestCRL)) {
                        buf.append(CRLDistPoint.getInstance(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 23 with Signature

use of com.github.zhenwei.core.asn1.ocsp.Signature in project LinLong-Java by zhenwei1108.

the class X509V2CRLGenerator method generate.

/**
 * generate an X509 CRL, based on the current issuer and subject using the default provider and an
 * user defined SecureRandom object as source of randomness.
 * <p>
 * <b>Note:</b> this differs from the deprecated method in that the default provider is
 * used - not "BC".
 * </p>
 */
public X509CRL generate(PrivateKey key, SecureRandom random) throws CRLException, IllegalStateException, NoSuchAlgorithmException, SignatureException, InvalidKeyException {
    TBSCertList tbsCrl = generateCertList();
    byte[] signature;
    try {
        signature = X509Util.calculateSignature(sigOID, signatureAlgorithm, key, random, tbsCrl);
    } catch (IOException e) {
        throw new ExtCRLException("cannot generate CRL encoding", e);
    }
    return generateJcaObject(tbsCrl, signature);
}

Example 24 with Signature

use of com.github.zhenwei.core.asn1.ocsp.Signature in project LinLong-Java by zhenwei1108.

the class X509V2CRLGenerator method generateJcaObject.

private X509CRL generateJcaObject(TBSCertList tbsCrl, byte[] signature) throws CRLException {
    ASN1EncodableVector v = new ASN1EncodableVector();
    v.add(tbsCrl);
    v.add(sigAlgId);
    v.add(new DERBitString(signature));
    return new X509CRLObject(CertificateList.getInstance(new DERSequence(v)));
}

Example 25 with Signature

use of com.github.zhenwei.core.asn1.ocsp.Signature in project LinLong-Java by zhenwei1108.

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 {
    TBSCertificate 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 (Exception e) {
        throw new ExtCertificateEncodingException("exception producing certificate object", e);
    }
}