Examples with ASN1InputStream org.spongycastle.asn1.ASN1InputStream used on opensource projects

Example 66 with ASN1InputStream

use of org.spongycastle.asn1.ASN1InputStream in project XobotOS by xamarin.

the class PKCS12BagAttributeCarrierImpl method readObject.

public void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException {
    Object obj = in.readObject();
    if (obj instanceof Hashtable) {
        this.pkcs12Attributes = (Hashtable) obj;
        this.pkcs12Ordering = (Vector) in.readObject();
    } else {
        ASN1InputStream aIn = new ASN1InputStream((byte[]) obj);
        DERObjectIdentifier oid;
        while ((oid = (DERObjectIdentifier) aIn.readObject()) != null) {
            this.setBagAttribute(oid, aIn.readObject());
        }
    }
}

Example 67 with ASN1InputStream

use of org.spongycastle.asn1.ASN1InputStream in project XobotOS by xamarin.

the class RFC3280CertPathUtilities method checkCRLs.

/**
     * Checks a certificate if it is revoked.
     *
     * @param paramsPKIX       PKIX parameters.
     * @param cert             Certificate to check if it is revoked.
     * @param validDate        The date when the certificate revocation status should be
     *                         checked.
     * @param sign             The issuer certificate of the certificate <code>cert</code>.
     * @param workingPublicKey The public key of the issuer certificate <code>sign</code>.
     * @param certPathCerts    The certificates of the certification path.
     * @throws AnnotatedException if the certificate is revoked or the status cannot be checked
     *                            or some error occurs.
     */
protected static void checkCRLs(ExtendedPKIXParameters paramsPKIX, X509Certificate cert, Date validDate, X509Certificate sign, PublicKey workingPublicKey, List certPathCerts) throws AnnotatedException {
    AnnotatedException lastException = null;
    CRLDistPoint crldp = null;
    try {
        crldp = CRLDistPoint.getInstance(CertPathValidatorUtilities.getExtensionValue(cert, RFC3280CertPathUtilities.CRL_DISTRIBUTION_POINTS));
    } catch (Exception e) {
        throw new AnnotatedException("CRL distribution point extension could not be read.", e);
    }
    try {
        CertPathValidatorUtilities.addAdditionalStoresFromCRLDistributionPoint(crldp, paramsPKIX);
    } catch (AnnotatedException e) {
        throw new AnnotatedException("No additional CRL locations could be decoded from CRL distribution point extension.", e);
    }
    CertStatus certStatus = new CertStatus();
    ReasonsMask reasonsMask = new ReasonsMask();
    boolean validCrlFound = false;
    // for each distribution point
    if (crldp != null) {
        DistributionPoint[] dps = null;
        try {
            dps = crldp.getDistributionPoints();
        } catch (Exception e) {
            throw new AnnotatedException("Distribution points could not be read.", e);
        }
        if (dps != null) {
            for (int i = 0; i < dps.length && certStatus.getCertStatus() == CertStatus.UNREVOKED && !reasonsMask.isAllReasons(); i++) {
                ExtendedPKIXParameters paramsPKIXClone = (ExtendedPKIXParameters) paramsPKIX.clone();
                try {
                    checkCRL(dps[i], paramsPKIXClone, cert, validDate, sign, workingPublicKey, certStatus, reasonsMask, certPathCerts);
                    validCrlFound = true;
                } catch (AnnotatedException e) {
                    lastException = e;
                }
            }
        }
    }
    if (certStatus.getCertStatus() == CertStatus.UNREVOKED && !reasonsMask.isAllReasons()) {
        try {
            /*
                 * assume a DP with both the reasons and the cRLIssuer fields
                 * omitted and a distribution point name of the certificate
                 * issuer.
                 */
            DERObject issuer = null;
            try {
                issuer = new ASN1InputStream(CertPathValidatorUtilities.getEncodedIssuerPrincipal(cert).getEncoded()).readObject();
            } catch (Exception e) {
                throw new AnnotatedException("Issuer from certificate for CRL could not be reencoded.", e);
            }
            DistributionPoint dp = new DistributionPoint(new DistributionPointName(0, new GeneralNames(new GeneralName(GeneralName.directoryName, issuer))), null, null);
            ExtendedPKIXParameters paramsPKIXClone = (ExtendedPKIXParameters) paramsPKIX.clone();
            checkCRL(dp, paramsPKIXClone, cert, validDate, sign, workingPublicKey, certStatus, reasonsMask, certPathCerts);
            validCrlFound = true;
        } catch (AnnotatedException e) {
            lastException = e;
        }
    }
    if (!validCrlFound) {
        if (lastException instanceof AnnotatedException) {
            throw lastException;
        }
        throw new AnnotatedException("No valid CRL found.", lastException);
    }
    if (certStatus.getCertStatus() != CertStatus.UNREVOKED) {
        String message = "Certificate revocation after " + certStatus.getRevocationDate();
        message += ", reason: " + crlReasons[certStatus.getCertStatus()];
        throw new AnnotatedException(message);
    }
    if (!reasonsMask.isAllReasons() && certStatus.getCertStatus() == CertStatus.UNREVOKED) {
        certStatus.setCertStatus(CertStatus.UNDETERMINED);
    }
    if (certStatus.getCertStatus() == CertStatus.UNDETERMINED) {
        throw new AnnotatedException("Certificate status could not be determined.");
    }
}

Example 68 with ASN1InputStream

use of org.spongycastle.asn1.ASN1InputStream 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 69 with ASN1InputStream

use of org.spongycastle.asn1.ASN1InputStream in project XobotOS by xamarin.

the class X509CertificateObject method getExtendedKeyUsage.

public List getExtendedKeyUsage() throws CertificateParsingException {
    byte[] bytes = this.getExtensionBytes("2.5.29.37");
    if (bytes != null) {
        try {
            ASN1InputStream dIn = new ASN1InputStream(bytes);
            ASN1Sequence seq = (ASN1Sequence) dIn.readObject();
            List list = new ArrayList();
            for (int i = 0; i != seq.size(); i++) {
                list.add(((DERObjectIdentifier) seq.getObjectAt(i)).getId());
            }
            return Collections.unmodifiableList(list);
        } catch (Exception e) {
            throw new CertificateParsingException("error processing extended key usage extension");
        }
    }
    return null;
}

Example 70 with ASN1InputStream

use of org.spongycastle.asn1.ASN1InputStream in project XobotOS by xamarin.

the class NetscapeCertRequest method getKeySpec.

private DERObject getKeySpec() throws NoSuchAlgorithmException, InvalidKeySpecException, NoSuchProviderException {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    DERObject obj = null;
    try {
        baos.write(pubkey.getEncoded());
        baos.close();
        ASN1InputStream derin = new ASN1InputStream(new ByteArrayInputStream(baos.toByteArray()));
        obj = derin.readObject();
    } catch (IOException ioe) {
        throw new InvalidKeySpecException(ioe.getMessage());
    }
    return obj;
}