Examples of sun.security.util.DerValue

sun.security.util.DerValue
Represents a single DER-encoded value. DER encoding rules are a subset of the "Basic" Encoding Rules (BER), but they only support a single way ("Definite" encoding) to encode any given value.
All DER-encoded data are triples {type, length, data}. This class represents such tagged values as they have been read (or constructed), and provides structured access to the encoded data.
At this time, this class supports only a subset of the types of DER data encodings which are defined. That subset is sufficient for parsing most X.509 certificates, and working with selected additional formats (such as PKCS #10 certificate requests, and some kinds of PKCS #7 data). A note with respect to T61/Teletex strings: From RFC 1617, section 4.1.3 and RFC 3280, section 4.1.2.4., we assume that this kind of string will contain ISO-8859-1 characters only. @author David Brownell @author Amit Kapoor @author Hemma Prafullchandra

        break;
    case MATCH_SUBJECT_KEY_ID:
        byte[] extension = c.getExtensionValue("2.5.29.14");
        if (extension != null) {
      try {
          DerValue derValue = new DerValue(extension);
          DerValue derValue2 = new DerValue(derValue.getOctetString());
          byte[] extVal = derValue2.getOctetString();
          
          if (Arrays.equals(extVal, (byte[]) value)) {
        matchResult.add(c);
          }
      } catch (IOException ex) { }

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        break;
    case MATCH_SUBJECT_KEY_ID:
        byte[] extension = c.getExtensionValue("2.5.29.14");
        if (extension != null) {
      try {
          DerValue derValue = new DerValue(extension);
          DerValue derValue2 = new DerValue(derValue.getOctetString());
          byte[] extVal = derValue2.getOctetString();
          
          if (Arrays.equals(extVal, (byte[]) value)) {
        matchResult.add(c);
          }
      } catch (IOException ex) { }

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            X509CertificateCredential certcred = (X509CertificateCredential) cred;
            X509Certificate[] certchain = certcred.getX509CertificateChain();
                _logger.log(Level.FINE,"Certchain length = " + certchain.length);
            derval = new DerValue[certchain.length];
            for (int i = 0; i < certchain.length ; i++)
                derval[i] = new DerValue(certchain[i].getEncoded());
            dos.putSequence(derval);
            X509CertificateChainHelper.insert(any, dos.toByteArray());


            /* IdentityToken with CDR encoded certificate chain */
            idtok.certificate_chain(codec.encode_value(any));

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        if (key == null) {
            subjectPublicKey = null;
            subjectPublicKeyBytes = null;
        } else {
            subjectPublicKeyBytes = key.clone();
            subjectPublicKey = X509Key.parse(new DerValue(subjectPublicKeyBytes));
        }
    }

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            if (debug != null) {
                debug.println("X509CertSelector.makeGeneralNameInterface() "
                    + "result: " + result.toString());
            }
        } else if (name instanceof byte[]) {
            DerValue val = new DerValue((byte[]) name);
            if (debug != null) {
                debug.println
                    ("X509CertSelector.makeGeneralNameInterface() is byte[]");
            }

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        if (subjectPublicKeyAlgID == null) {
            return true;
        }
        try {
            byte[] encodedKey = xcert.getPublicKey().getEncoded();
            DerValue val = new DerValue(encodedKey);
            if (val.tag != DerValue.tag_Sequence) {
                throw new IOException("invalid key format");
            }


            AlgorithmId algID = AlgorithmId.parse(val.data.getDerValue());

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     * valid and parsable policy qualifier
     */
    public PolicyQualifierInfo(byte[] encoded) throws IOException {
        mEncoded = encoded.clone();


        DerValue val = new DerValue(mEncoded);
        if (val.tag != DerValue.tag_Sequence)
            throw new IOException("Invalid encoding for PolicyQualifierInfo");


        mId = (val.data.getDerValue()).getOID().toString();
        byte [] tmp = val.data.toByteArray();

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            X509CertificateCredential certcred = (X509CertificateCredential) cred;
            X509Certificate[] certchain = certcred.getX509CertificateChain();
                _logger.log(Level.FINE,"Certchain length = " + certchain.length);
            derval = new DerValue[certchain.length];
            for (int i = 0; i < certchain.length ; i++)
                derval[i] = new DerValue(certchain[i].getEncoded());
            dos.putSequence(derval);
            X509CertificateChainHelper.insert(any, dos.toByteArray());


            /* IdentityToken with CDR encoded certificate chain */
            idtok.certificate_chain(codec.encode_value(any));

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     * @exception GSSException may be thrown when the DER encoding does not
     *  follow the prescribed format.
     */
    public Oid(InputStream derOid) throws GSSException {
        try {
            DerValue derVal = new DerValue(derOid);
            derEncoding = derVal.toByteArray();
            oid = derVal.getOID();
        } catch (IOException e) {
            throw new GSSException(GSSException.FAILURE,
                          "Improperly formatted ASN.1 DER encoding for Oid");
        }
    }

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     * @exception GSSException may be thrown when the DER encoding does not
     *     follow the prescribed format.
     */
    public Oid(byte [] data) throws GSSException {
        try {
            DerValue derVal = new DerValue(data);
            derEncoding = derVal.toByteArray();
            oid = derVal.getOID();
        } catch (IOException e) {
            throw new GSSException(GSSException.FAILURE,
                          "Improperly formatted ASN.1 DER encoding for Oid");
        }
    }

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