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

Example 51 with ASN1InputStream

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

the class JDKX509CertificateFactory method engineGenerateCertificate.

/**
     * Generates a certificate object and initializes it with the data
     * read from the input stream inStream.
     */
public Certificate engineGenerateCertificate(InputStream in) throws CertificateException {
    if (currentStream == null) {
        currentStream = in;
        sData = null;
        sDataObjectCount = 0;
    } else if (// reset if input stream has changed
    currentStream != in) {
        currentStream = in;
        sData = null;
        sDataObjectCount = 0;
    }
    try {
        if (sData != null) {
            if (sDataObjectCount != sData.size()) {
                return getCertificate();
            } else {
                sData = null;
                sDataObjectCount = 0;
                return null;
            }
        }
        int limit = ProviderUtil.getReadLimit(in);
        PushbackInputStream pis = new PushbackInputStream(in);
        int tag = pis.read();
        if (tag == -1) {
            return null;
        }
        pis.unread(tag);
        if (// assume ascii PEM encoded.
        tag != 0x30) {
            return readPEMCertificate(pis);
        } else {
            return readDERCertificate(new ASN1InputStream(pis, limit));
        }
    } catch (Exception e) {
        throw new CertificateException(e);
    }
}

Example 52 with ASN1InputStream

use of org.bouncycastle.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 53 with ASN1InputStream

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

the class CertPathValidatorUtilities method getCRLIssuersFromDistributionPoint.

/**
     * Add the CRL issuers from the cRLIssuer field of the distribution point or
     * from the certificate if not given to the issuer criterion of the
     * <code>selector</code>.
     * <p>
     * The <code>issuerPrincipals</code> are a collection with a single
     * <code>X500Principal</code> for <code>X509Certificate</code>s. For
     * {@link X509AttributeCertificate}s the issuer may contain more than one
     * <code>X500Principal</code>.
     *
     * @param dp The distribution point.
     * @param issuerPrincipals The issuers of the certificate or attribute
     *            certificate which contains the distribution point.
     * @param selector The CRL selector.
     * @param pkixParams The PKIX parameters containing the cert stores.
     * @throws AnnotatedException if an exception occurs while processing.
     * @throws ClassCastException if <code>issuerPrincipals</code> does not
     * contain only <code>X500Principal</code>s.
     */
protected static void getCRLIssuersFromDistributionPoint(DistributionPoint dp, Collection issuerPrincipals, X509CRLSelector selector, ExtendedPKIXParameters pkixParams) throws AnnotatedException {
    List issuers = new ArrayList();
    // indirect CRL
    if (dp.getCRLIssuer() != null) {
        GeneralName[] genNames = dp.getCRLIssuer().getNames();
        // look for a DN
        for (int j = 0; j < genNames.length; j++) {
            if (genNames[j].getTagNo() == GeneralName.directoryName) {
                try {
                    issuers.add(new X500Principal(genNames[j].getName().getDERObject().getEncoded()));
                } catch (IOException e) {
                    throw new AnnotatedException("CRL issuer information from distribution point cannot be decoded.", e);
                }
            }
        }
    } else {
        /*
             * certificate issuer is CRL issuer, distributionPoint field MUST be
             * present.
             */
        if (dp.getDistributionPoint() == null) {
            throw new AnnotatedException("CRL issuer is omitted from distribution point but no distributionPoint field present.");
        }
        // add and check issuer principals
        for (Iterator it = issuerPrincipals.iterator(); it.hasNext(); ) {
            issuers.add((X500Principal) it.next());
        }
    }
    // TODO: is not found although this should correctly add the rel name. selector of Sun is buggy here or PKI test case is invalid
    // distributionPoint
    //        if (dp.getDistributionPoint() != null)
    //        {
    //            // look for nameRelativeToCRLIssuer
    //            if (dp.getDistributionPoint().getType() == DistributionPointName.NAME_RELATIVE_TO_CRL_ISSUER)
    //            {
    //                // append fragment to issuer, only one
    //                // issuer can be there, if this is given
    //                if (issuers.size() != 1)
    //                {
    //                    throw new AnnotatedException(
    //                        "nameRelativeToCRLIssuer field is given but more than one CRL issuer is given.");
    //                }
    //                DEREncodable relName = dp.getDistributionPoint().getName();
    //                Iterator it = issuers.iterator();
    //                List issuersTemp = new ArrayList(issuers.size());
    //                while (it.hasNext())
    //                {
    //                    Enumeration e = null;
    //                    try
    //                    {
    //                        e = ASN1Sequence.getInstance(
    //                            new ASN1InputStream(((X500Principal) it.next())
    //                                .getEncoded()).readObject()).getObjects();
    //                    }
    //                    catch (IOException ex)
    //                    {
    //                        throw new AnnotatedException(
    //                            "Cannot decode CRL issuer information.", ex);
    //                    }
    //                    ASN1EncodableVector v = new ASN1EncodableVector();
    //                    while (e.hasMoreElements())
    //                    {
    //                        v.add((DEREncodable) e.nextElement());
    //                    }
    //                    v.add(relName);
    //                    issuersTemp.add(new X500Principal(new DERSequence(v)
    //                        .getDEREncoded()));
    //                }
    //                issuers.clear();
    //                issuers.addAll(issuersTemp);
    //            }
    //        }
    Iterator it = issuers.iterator();
    while (it.hasNext()) {
        try {
            selector.addIssuerName(((X500Principal) it.next()).getEncoded());
        } catch (IOException ex) {
            throw new AnnotatedException("Cannot decode CRL issuer information.", ex);
        }
    }
}

Example 54 with ASN1InputStream

use of org.bouncycastle.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 55 with ASN1InputStream

use of org.bouncycastle.asn1.ASN1InputStream in project android_frameworks_base by DirtyUnicorns.

the class AndroidKeyStoreKeyPairGeneratorSpi method generateSelfSignedCertificateWithFakeSignature.

@SuppressWarnings("deprecation")
private X509Certificate generateSelfSignedCertificateWithFakeSignature(PublicKey publicKey) throws IOException, CertificateParsingException {
    V3TBSCertificateGenerator tbsGenerator = new V3TBSCertificateGenerator();
    ASN1ObjectIdentifier sigAlgOid;
    AlgorithmIdentifier sigAlgId;
    byte[] signature;
    switch(mKeymasterAlgorithm) {
        case KeymasterDefs.KM_ALGORITHM_EC:
            sigAlgOid = X9ObjectIdentifiers.ecdsa_with_SHA256;
            sigAlgId = new AlgorithmIdentifier(sigAlgOid);
            ASN1EncodableVector v = new ASN1EncodableVector();
            v.add(new DERInteger(0));
            v.add(new DERInteger(0));
            signature = new DERSequence().getEncoded();
            break;
        case KeymasterDefs.KM_ALGORITHM_RSA:
            sigAlgOid = PKCSObjectIdentifiers.sha256WithRSAEncryption;
            sigAlgId = new AlgorithmIdentifier(sigAlgOid, DERNull.INSTANCE);
            signature = new byte[1];
            break;
        default:
            throw new ProviderException("Unsupported key algorithm: " + mKeymasterAlgorithm);
    }
    try (ASN1InputStream publicKeyInfoIn = new ASN1InputStream(publicKey.getEncoded())) {
        tbsGenerator.setSubjectPublicKeyInfo(SubjectPublicKeyInfo.getInstance(publicKeyInfoIn.readObject()));
    }
    tbsGenerator.setSerialNumber(new ASN1Integer(mSpec.getCertificateSerialNumber()));
    X509Principal subject = new X509Principal(mSpec.getCertificateSubject().getEncoded());
    tbsGenerator.setSubject(subject);
    tbsGenerator.setIssuer(subject);
    tbsGenerator.setStartDate(new Time(mSpec.getCertificateNotBefore()));
    tbsGenerator.setEndDate(new Time(mSpec.getCertificateNotAfter()));
    tbsGenerator.setSignature(sigAlgId);
    TBSCertificate tbsCertificate = tbsGenerator.generateTBSCertificate();
    ASN1EncodableVector result = new ASN1EncodableVector();
    result.add(tbsCertificate);
    result.add(sigAlgId);
    result.add(new DERBitString(signature));
    return new X509CertificateObject(Certificate.getInstance(new DERSequence(result)));
}