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

            throws Exception {
        if (c.getRevokedCertificates().size() != expected.length) {
            throw new Exception("Wrong count in CRL object, now " +
                    c.getRevokedCertificates().size());
        }
        DerValue d1 = new DerValue(data);
        // revokedCertificates at 5th place of TBSCertList
        DerValue[] d2 = new DerInputStream(
                d1.data.getSequence(0)[4].toByteArray())
                .getSequence(0);
        if (d2.length != expected.length) {

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           return;


        // reset the counter
        counter = 0;


        DerValue val = new DerValue(stream);
        DerInputStream s = val.toDerInputStream();
        int version = s.getInteger();


        if (version != VERSION_3) {
           throw new IOException("PKCS12 keystore not in version 3 format");
        }

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         * Spin over the SafeBags.
         */
        for (int i = 0; i < count; i++) {
            ObjectIdentifier bagId;
            DerInputStream sbi;
            DerValue bagValue;
            Object bagItem = null;


            sbi = safeBags[i].toDerInputStream();
            bagId = sbi.getOID();
            bagValue = sbi.getDerValue();
            if (!bagValue.isContextSpecific((byte)0)) {
                throw new IOException("unsupported PKCS12 bag value type "
                                        + bagValue.tag);
            }
            bagValue = bagValue.data.getDerValue();
            if (bagId.equals(PKCS8ShroudedKeyBag_OID)) {
                KeyEntry kEntry = new KeyEntry();
                kEntry.protectedPrivKey = bagValue.toByteArray();
                bagItem = kEntry;
                privateKeyCount++;
            } else if (bagId.equals(CertBag_OID)) {
                DerInputStream cs = new DerInputStream(bagValue.toByteArray());
                DerValue[] certValues = cs.getSequence(2);
                ObjectIdentifier certId = certValues[0].getOID();
                if (!certValues[1].isContextSpecific((byte)0)) {
                    throw new IOException("unsupported PKCS12 cert value type "
                                        + certValues[1].tag);
                }
                DerValue certValue = certValues[1].data.getDerValue();
                CertificateFactory cf = CertificateFactory.getInstance("X509");
                X509Certificate cert;
                cert = (X509Certificate)cf.generateCertificate
                        (new ByteArrayInputStream(certValue.getOctetString()));
                bagItem = cert;
            } else {
                // log error message for "unsupported PKCS12 bag type"
            }

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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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        if (key == null) {
            subjectPublicKey = null;
            subjectPublicKeyBytes = null;
        } else {
            subjectPublicKeyBytes = (byte[])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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        if (encoded == null) {
            throw new NullPointerException("the encoded parameter " +
                                           "must be non-null");
        }
        this.encoded = (byte[])encoded.clone();
        DerValue val = new DerValue(this.encoded);


        DerValue[] seq = new DerValue[2];


        seq[0] = val.data.getDerValue();
        seq[1] = val.data.getDerValue();

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                        (PrivateKeyCallback.SubjectKeyIDRequest)req;
                byte[] subjectKeyID = skReq.getSubjectKeyID();
                if (subjectKeyID != null) {
                    boolean found = false;
                    // In DER, subjectKeyID will be an OCTET STRING of OCTET STRING
                    DerValue derValue1 = new DerValue(
                        DerValue.tag_OctetString, subjectKeyID);
                    DerValue derValue2 = new DerValue(
                        DerValue.tag_OctetString, derValue1.toByteArray());
                    byte[] derSubjectKeyID = derValue2.toByteArray();


                    for (int i = 0; i < kstores.length && !found; i++) {
                        Enumeration aliases = kstores[i].aliases();
                        while (aliases.hasMoreElements() && !found) {
                            String nextAlias = (String)aliases.nextElement();

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          /**
           * Use sun.security.util.DerValue if it is present.
           */ 
          try {
              if (XMLUtils.classForName("sun.security.util.DerValue") != null) {
                  DerValue dervalue = new DerValue(derEncodedValue);
                  if (dervalue == null) {
                      throw new XMLSecurityException("certificate.noSki.null");
                  }
                  if (dervalue.tag != DerValue.tag_OctetString) {
                      throw new XMLSecurityException("certificate.noSki.notOctetString");
                  }
                  extensionValue = dervalue.getOctetString();
              }
          } catch (NoClassDefFoundError e) {
          } catch (ClassNotFoundException e) {
          }

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