Examples of org.apache.commons.ssl.asn1.ASN1InputStream

org.bouncycastle.asn1.ASN1InputStream
a general purpose ASN.1 decoder - note: this class differs from the others in that it returns null after it has read the last object in the stream. If an ASN.1 NULL is encountered a DER/BER Null object is returned.

                    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(X509Extension.reasonCode))
                            {
                                buf.append(CRLReason.getInstance(ASN1Enumerated.getInstance(dIn.readObject()))).append(nl);
                            }
                            else if (oid.equals(X509Extension.certificateIssuer))
                            {
                                buf.append("Certificate issuer: ").append(GeneralNames.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());

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        cert.checkValidity(new Date());


        cert.verify(pubKey);


        ByteArrayInputStream   sbIn = new ByteArrayInputStream(cert.getEncoded());
        ASN1InputStream        sdIn = new ASN1InputStream(sbIn);
        ByteArrayInputStream   bIn = new ByteArrayInputStream(cert.getEncoded());
        CertificateFactory     certFact = CertificateFactory.getInstance("X.509", "BC");


        cert = (X509Certificate)certFact.generateCertificate(bIn);

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    private void pkcs7Test()
        throws Exception
    {
        ASN1EncodableVector certs = new ASN1EncodableVector();


        certs.add(new ASN1InputStream(CertPathTest.rootCertBin).readObject());
        certs.add(new DERTaggedObject(false, 2, new ASN1InputStream(AttrCertTest.attrCert).readObject()));


        ASN1EncodableVector crls = new ASN1EncodableVector();


        crls.add(new ASN1InputStream(CertPathTest.rootCrlBin).readObject());
        SignedData sigData = new SignedData(new DERSet(), new ContentInfo(CMSObjectIdentifiers.data, null), new DERSet(certs), new DERSet(crls), new DERSet());


        ContentInfo info = new ContentInfo(CMSObjectIdentifiers.signedData, sigData);


        CertificateFactory cf = CertificateFactory.getInstance("X.509", "BC");

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    }
  }


  static IssuerInformation issuerInformationFromPreCertificateSigningCert(
      Certificate certificate, byte[] keyHash) {
    try (ASN1InputStream aIssuerIn = new ASN1InputStream(certificate.getEncoded())) {
      org.bouncycastle.asn1.x509.Certificate parsedIssuerCert =
          org.bouncycastle.asn1.x509.Certificate.getInstance(aIssuerIn.readObject());


      Extensions issuerExtensions = parsedIssuerCert.getTBSCertificate().getExtensions();
      Extension x509authorityKeyIdentifier = null;
      if (issuerExtensions != null) {
        x509authorityKeyIdentifier =

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    Preconditions.checkArgument(preCertificate.getVersion() >= 3);
    // We have to use bouncycastle's certificate parsing code because Java's X509 certificate
    // parsing discards the order of the extensions. The signature from SCT we're verifying
    // is over the TBSCertificate in its original form, including the order of the extensions.
    // Get the list of extensions, in its original order, minus the poison extension.
    try (ASN1InputStream aIn = new ASN1InputStream(preCertificate.getEncoded())) {
      org.bouncycastle.asn1.x509.Certificate parsedPreCertificate =
          org.bouncycastle.asn1.x509.Certificate.getInstance(aIn.readObject());
      // Make sure that we have the X509akid of the real issuer if:
      // The PreCertificate has this extension, AND:
      // The PreCertificate was signed by a PreCertificate signing cert.
      if (hasX509AuthorityKeyIdentifier(parsedPreCertificate) &&
          issuerInformation.issuedByPreCertificateSigningCert()) {

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    private static ASN1Sequence toDERSequence(
        byte[]  bytes)
    {
        try
        {
            ASN1InputStream         dIn = new ASN1InputStream(bytes);


            return (ASN1Sequence)dIn.readObject();
        }
        catch (Exception e)
        {
            throw new IllegalArgumentException("badly encoded request");
        }

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    public OCSPReq(
        byte[]          req)
        throws IOException
    {
        this(new ASN1InputStream(req));
    }

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    public OCSPReq(
        InputStream     in)
        throws IOException
    {
        this(new ASN1InputStream(in));
    }

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     * @return the appropriate key parameter
     * @throws IOException on an error decoding the key
     */
    public static AsymmetricKeyParameter createKey(InputStream inStr) throws IOException
    {
        return createKey(SubjectPublicKeyInfo.getInstance(new ASN1InputStream(inStr).readObject()));
    }

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     */
    public X509Principal(
        byte[]  bytes)
        throws IOException
    {
        super(readSequence(new ASN1InputStream(bytes)));
    }

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