sun.security.util.DerOutputStream Java Examples

/**
 * Sign all the data thus far updated. The signature is formatted
 * according to the Canonical Encoding Rules, returned as a DER
 * sequence of Integer, r and s.
 *
 * @return a signature block formatted according to the Canonical
 * Encoding Rules.
 *
 * @exception SignatureException if the signature object was not
 * properly initialized, or if another exception occurs.
 *
 * @see sun.security.DSA#engineUpdate
 * @see sun.security.DSA#engineVerify
 */
protected byte[] engineSign() throws SignatureException {
    BigInteger k = generateK(presetQ);
    BigInteger r = generateR(presetP, presetQ, presetG, k);
    BigInteger s = generateS(presetX, presetQ, r, k);

    try {
        DerOutputStream outseq = new DerOutputStream(100);
        outseq.putInteger(r);
        outseq.putInteger(s);
        DerValue result = new DerValue(DerValue.tag_Sequence,
                                       outseq.toByteArray());

        return result.toByteArray();

    } catch (IOException e) {
        throw new SignatureException("error encoding signature");
    }
}
 

/**
 * Returns the ASN.1 encoding of this class.
 */
public byte[] getEncoded()
    throws IOException
{
    if (this.encoded != null) return this.encoded.clone();

    DerOutputStream out = new DerOutputStream();
    DerOutputStream tmp = new DerOutputStream();

    // encode encryption algorithm
    algid.encode(tmp);

    // encode encrypted data
    tmp.putOctetString(encryptedData);

    // wrap everything into a SEQUENCE
    out.write(DerValue.tag_Sequence, tmp);
    this.encoded = out.toByteArray();

    return this.encoded.clone();
}
 

/**
 * Returns the ASN.1 encoding of this object.
 * @return the ASN.1 encoding. Returns a new array
 * each time this method is called.
 * @exception IOException if error occurs when constructing its
 * ASN.1 encoding.
 */
public byte[] getEncoded() throws IOException {
    if (this.encoded == null) {
        DerOutputStream out = new DerOutputStream();
        DerOutputStream tmp = new DerOutputStream();

        // encode encryption algorithm
        algid.encode(tmp);

        // encode encrypted data
        tmp.putOctetString(encryptedData);

        // wrap everything into a SEQUENCE
        out.write(DerValue.tag_Sequence, tmp);
        this.encoded = out.toByteArray();
    }
    return this.encoded.clone();
}
 

/**
 * Returns the ASN.1 encoding of this object.
 * @return the ASN.1 encoding. Returns a new array
 * each time this method is called.
 * @exception IOException if error occurs when constructing its
 * ASN.1 encoding.
 */
public byte[] getEncoded() throws IOException {
    if (this.encoded == null) {
        DerOutputStream out = new DerOutputStream();
        DerOutputStream tmp = new DerOutputStream();

        // encode encryption algorithm
        algid.encode(tmp);

        // encode encrypted data
        tmp.putOctetString(encryptedData);

        // wrap everything into a SEQUENCE
        out.write(DerValue.tag_Sequence, tmp);
        this.encoded = out.toByteArray();
    }
    return this.encoded.clone();
}
 

NamedCurve(String name, String oid, EllipticCurve curve,
        ECPoint g, BigInteger n, int h) {
    super(curve, g, n, h);
    this.name = name;
    this.oid = oid;

    DerOutputStream out = new DerOutputStream();

    try {
        out.putOID(new ObjectIdentifier(oid));
    } catch (IOException e) {
        throw new RuntimeException("Internal error", e);
    }

    encoded = out.toByteArray();
}
 

NamedCurve(String name, String oid, EllipticCurve curve,
        ECPoint g, BigInteger n, int h) {
    super(curve, g, n, h);
    this.name = name;
    this.oid = oid;

    DerOutputStream out = new DerOutputStream();

    try {
        out.putOID(new ObjectIdentifier(oid));
    } catch (IOException e) {
        throw new RuntimeException("Internal error", e);
    }

    encoded = out.toByteArray();
}
 

/**
 * Encodes the distribution point name and writes it to the DerOutputStream.
 *
 * @param out the output stream.
 * @exception IOException on encoding error.
 */
public void encode(DerOutputStream out) throws IOException {

    DerOutputStream theChoice = new DerOutputStream();

    if (fullName != null) {
        fullName.encode(theChoice);
        out.writeImplicit(
            DerValue.createTag(DerValue.TAG_CONTEXT, true, TAG_FULL_NAME),
            theChoice);

    } else {
        relativeName.encode(theChoice);
        out.writeImplicit(
            DerValue.createTag(DerValue.TAG_CONTEXT, true,
                TAG_RELATIVE_NAME),
            theChoice);
    }
}
 

/**
 * Returns the ASN.1 encoding of this class.
 */
public byte[] getEncoded()
    throws IOException
{
    if (this.encoded != null) return this.encoded.clone();

    DerOutputStream out = new DerOutputStream();
    DerOutputStream tmp = new DerOutputStream();

    // encode encryption algorithm
    algid.encode(tmp);

    // encode encrypted data
    tmp.putOctetString(encryptedData);

    // wrap everything into a SEQUENCE
    out.write(DerValue.tag_Sequence, tmp);
    this.encoded = out.toByteArray();

    return this.encoded.clone();
}
 

/**
 * Sign all the data thus far updated. The signature is formatted
 * according to the Canonical Encoding Rules, returned as a DER
 * sequence of Integer, r and s.
 *
 * @return a signature block formatted according to the Canonical
 * Encoding Rules.
 *
 * @exception SignatureException if the signature object was not
 * properly initialized, or if another exception occurs.
 *
 * @see sun.security.DSA#engineUpdate
 * @see sun.security.DSA#engineVerify
 */
protected byte[] engineSign() throws SignatureException {
    BigInteger k = generateK(presetQ);
    BigInteger r = generateR(presetP, presetQ, presetG, k);
    BigInteger s = generateS(presetX, presetQ, r, k);

    try {
        DerOutputStream outseq = new DerOutputStream(100);
        outseq.putInteger(r);
        outseq.putInteger(s);
        DerValue result = new DerValue(DerValue.tag_Sequence,
                                       outseq.toByteArray());

        return result.toByteArray();

    } catch (IOException e) {
        throw new SignatureException("error encoding signature");
    }
}
 

/**
 * Returns the ASN.1 encoding of this object.
 * @return the ASN.1 encoding. Returns a new array
 * each time this method is called.
 * @exception IOException if error occurs when constructing its
 * ASN.1 encoding.
 */
public byte[] getEncoded() throws IOException {
    if (this.encoded == null) {
        DerOutputStream out = new DerOutputStream();
        DerOutputStream tmp = new DerOutputStream();

        // encode encryption algorithm
        algid.encode(tmp);

        // encode encrypted data
        tmp.putOctetString(encryptedData);

        // wrap everything into a SEQUENCE
        out.write(DerValue.tag_Sequence, tmp);
        this.encoded = out.toByteArray();
    }
    return this.encoded.clone();
}
 

NamedCurve(String name, String oid, EllipticCurve curve,
        ECPoint g, BigInteger n, int h) {
    super(curve, g, n, h);
    this.name = name;
    this.oid = oid;

    DerOutputStream out = new DerOutputStream();

    try {
        out.putOID(new ObjectIdentifier(oid));
    } catch (IOException e) {
        throw new RuntimeException("Internal error", e);
    }

    encoded = out.toByteArray();
}
 

/**
 * Encodes the distribution point name and writes it to the DerOutputStream.
 *
 * @param out the output stream.
 * @exception IOException on encoding error.
 */
public void encode(DerOutputStream out) throws IOException {

    DerOutputStream theChoice = new DerOutputStream();

    if (fullName != null) {
        fullName.encode(theChoice);
        out.writeImplicit(
            DerValue.createTag(DerValue.TAG_CONTEXT, true, TAG_FULL_NAME),
            theChoice);

    } else {
        relativeName.encode(theChoice);
        out.writeImplicit(
            DerValue.createTag(DerValue.TAG_CONTEXT, true,
                TAG_RELATIVE_NAME),
            theChoice);
    }
}
 

NamedCurve(String name, String oid, EllipticCurve curve,
        ECPoint g, BigInteger n, int h) {
    super(curve, g, n, h);
    this.name = name;
    this.oid = oid;

    DerOutputStream out = new DerOutputStream();

    try {
        out.putOID(new ObjectIdentifier(oid));
    } catch (IOException e) {
        throw new RuntimeException("Internal error", e);
    }

    encoded = out.toByteArray();
}
 

/**
 * Sign all the data thus far updated. The signature is formatted
 * according to the Canonical Encoding Rules, returned as a DER
 * sequence of Integer, r and s.
 *
 * @return a signature block formatted according to the Canonical
 * Encoding Rules.
 *
 * @exception SignatureException if the signature object was not
 * properly initialized, or if another exception occurs.
 *
 * @see sun.security.DSA#engineUpdate
 * @see sun.security.DSA#engineVerify
 */
protected byte[] engineSign() throws SignatureException {
    BigInteger k = generateK(presetQ);
    BigInteger r = generateR(presetP, presetQ, presetG, k);
    BigInteger s = generateS(presetX, presetQ, r, k);

    try {
        DerOutputStream outseq = new DerOutputStream(100);
        outseq.putInteger(r);
        outseq.putInteger(s);
        DerValue result = new DerValue(DerValue.tag_Sequence,
                                       outseq.toByteArray());

        return result.toByteArray();

    } catch (IOException e) {
        throw new SignatureException("error encoding signature");
    }
}
 

NamedCurve(String name, String oid, EllipticCurve curve,
        ECPoint g, BigInteger n, int h) {
    super(curve, g, n, h);
    this.name = name;
    this.oid = oid;

    DerOutputStream out = new DerOutputStream();

    try {
        out.putOID(new ObjectIdentifier(oid));
    } catch (IOException e) {
        throw new RuntimeException("Internal error", e);
    }

    encoded = out.toByteArray();
}
 

/**
 * Sign all the data thus far updated. The signature is formatted
 * according to the Canonical Encoding Rules, returned as a DER
 * sequence of Integer, r and s.
 *
 * @return a signature block formatted according to the Canonical
 * Encoding Rules.
 *
 * @exception SignatureException if the signature object was not
 * properly initialized, or if another exception occurs.
 *
 * @see sun.security.DSA#engineUpdate
 * @see sun.security.DSA#engineVerify
 */
protected byte[] engineSign() throws SignatureException {
    BigInteger k = generateK(presetQ);
    BigInteger r = generateR(presetP, presetQ, presetG, k);
    BigInteger s = generateS(presetX, presetQ, r, k);

    try {
        DerOutputStream outseq = new DerOutputStream(100);
        outseq.putInteger(r);
        outseq.putInteger(s);
        DerValue result = new DerValue(DerValue.tag_Sequence,
                                       outseq.toByteArray());

        return result.toByteArray();

    } catch (IOException e) {
        throw new SignatureException("error encoding signature");
    }
}
 

/**
 * Write the extension to the DerOutputStream.
 *
 * @param out the DerOutputStream to write the extension to.
 * @exception IOException on encoding errors.
 */
public void encode(OutputStream out) throws IOException {
    DerOutputStream tmp = new DerOutputStream();
    if (this.extensionValue == null) {
        this.extensionId = PKIXExtensions.SubjectInfoAccess_Id;
        this.critical = false;
        encodeThis();
    }
    super.encode(tmp);
    out.write(tmp.toByteArray());
}
 

/**
 * Encode this extension value to the output stream.
 *
 * @param out the DerOutputStream to encode the extension to.
 */
public void encode(OutputStream out) throws IOException {
    DerOutputStream tmp = new DerOutputStream();
    if (extensionValue == null) {
        this.extensionId = PKIXExtensions.InhibitAnyPolicy_Id;
        critical = true;
        encodeThis();
    }
    super.encode(tmp);

    out.write(tmp.toByteArray());
}
 

/**
 * Encodes the issuing distribution point extension and writes it to the
 * DerOutputStream.
 *
 * @param out the output stream.
 * @exception IOException on encoding error.
 */
public void encode(OutputStream out) throws IOException {
    DerOutputStream tmp = new DerOutputStream();
    if (this.extensionValue == null) {
        this.extensionId = PKIXExtensions.IssuingDistributionPoint_Id;
        this.critical = false;
        encodeThis();
    }
    super.encode(tmp);
    out.write(tmp.toByteArray());
}
 

/**
 * Encode the CertPath using PKCS#7 format.
 *
 * @return a byte array containing the binary encoding of the PKCS#7 object
 * @exception CertificateEncodingException if an exception occurs
 */
private byte[] encodePKCS7() throws CertificateEncodingException {
    PKCS7 p7 = new PKCS7(new AlgorithmId[0],
                         new ContentInfo(ContentInfo.DATA_OID, null),
                         certs.toArray(new X509Certificate[certs.size()]),
                         new SignerInfo[0]);
    DerOutputStream derout = new DerOutputStream();
    try {
        p7.encodeSignedData(derout);
    } catch (IOException ioe) {
        throw new CertificateEncodingException(ioe.getMessage());
    }
    return derout.toByteArray();
}
 

/**
 * Write the extension to the DerOutputStream.
 *
 * @param out the DerOutputStream to write the extension to.
 * @exception IOException on encoding errors.
 */
public void encode(OutputStream out) throws IOException {
    DerOutputStream tmp = new DerOutputStream();
    if (extensionValue == null) {
      extensionId = PKIXExtensions.CertificatePolicies_Id;
      critical = false;
      encodeThis();
    }
    super.encode(tmp);
    out.write(tmp.toByteArray());
}
 

/**
 * Write the extension to the OutputStream.
 *
 * @param out the OutputStream to write the extension to
 * @exception IOException on encoding errors
 */
public void encode(OutputStream out) throws IOException {
    DerOutputStream  tmp = new DerOutputStream();
    if (extensionValue == null) {
        extensionId = PKIXExtensions.CertificateIssuer_Id;
        critical = true;
        encodeThis();
    }
    super.encode(tmp);
    out.write(tmp.toByteArray());
}
 

/**
 * Returns the full ASN.1 DER encoding for this oid object, which
 * includes the tag and length.
 *
 * @return byte array containing the DER encoding of this oid object.
 * @exception GSSException may be thrown when the oid can't be encoded
 */
public byte[] getDER() throws GSSException {

    if (derEncoding == null) {
        DerOutputStream dout = new DerOutputStream();
        try {
            dout.putOID(oid);
        } catch (IOException e) {
            throw new GSSException(GSSException.FAILURE, e.getMessage());
        }
        derEncoding = dout.toByteArray();
    }

    return derEncoding.clone();
}
 

/**
 * Write the extension to the OutputStream.
 *
 * @param out the OutputStream to write the extension to
 * @exception IOException on encoding errors
 */
public void encode(OutputStream out) throws IOException {
    DerOutputStream  tmp = new DerOutputStream();
    if (extensionValue == null) {
        extensionId = PKIXExtensions.CertificateIssuer_Id;
        critical = true;
        encodeThis();
    }
    super.encode(tmp);
    out.write(tmp.toByteArray());
}
 

/**
 * Write the extension to the DerOutputStream.
 *
 * @param out the DerOutputStream to write the extension to.
 * @exception IOException on encoding errors.
 */
public void encode(OutputStream out) throws IOException {
    DerOutputStream tmp = new DerOutputStream();
    if (this.extensionValue == null) {
        this.extensionId = PKIXExtensions.AuthInfoAccess_Id;
        this.critical = false;
        encodeThis();
    }
    super.encode(tmp);
    out.write(tmp.toByteArray());
}
 

/**
 * Write the extension to the DerOutputStream.
 *
 * @param out the DerOutputStream to write the extension to.
 * @exception IOException on encoding errors.
 */
public void encode(OutputStream out) throws IOException {
    DerOutputStream tmp = new DerOutputStream();
    if (this.extensionValue == null) {
        this.extensionId = PKIXExtensions.AuthInfoAccess_Id;
        this.critical = false;
        encodeThis();
    }
    super.encode(tmp);
    out.write(tmp.toByteArray());
}
 

private void encodeThis() throws IOException {
    if (accessDescriptions.isEmpty()) {
        this.extensionValue = null;
    } else {
        DerOutputStream ads = new DerOutputStream();
        for (AccessDescription accessDescription : accessDescriptions) {
            accessDescription.encode(ads);
        }
        DerOutputStream seq = new DerOutputStream();
        seq.write(DerValue.tag_Sequence, ads);
        this.extensionValue = seq.toByteArray();
    }
}
 

/**
 * Write the PolicyInformation to the DerOutputStream.
 *
 * @param out the DerOutputStream to write the extension to.
 * @exception IOException on encoding errors.
 */
public void encode(DerOutputStream out) throws IOException {
    DerOutputStream tmp = new DerOutputStream();
    policyIdentifier.encode(tmp);
    if (!policyQualifiers.isEmpty()) {
        DerOutputStream tmp2 = new DerOutputStream();
        for (PolicyQualifierInfo pq : policyQualifiers) {
            tmp2.write(pq.getEncoded());
        }
        tmp.write(DerValue.tag_Sequence, tmp2);
    }
    out.write(DerValue.tag_Sequence, tmp);
}
 

/**
 * Encode the CertPath using PKIPATH format.
 *
 * @return a byte array containing the binary encoding of the PkiPath object
 * @exception CertificateEncodingException if an exception occurs
 */
private byte[] encodePKIPATH() throws CertificateEncodingException {

    ListIterator<X509Certificate> li = certs.listIterator(certs.size());
    try {
        DerOutputStream bytes = new DerOutputStream();
        // encode certs in reverse order (trust anchor to target)
        // according to PkiPath format
        while (li.hasPrevious()) {
            X509Certificate cert = li.previous();
            // check for duplicate cert
            if (certs.lastIndexOf(cert) != certs.indexOf(cert)) {
                throw new CertificateEncodingException
                    ("Duplicate Certificate");
            }
            // get encoded certificates
            byte[] encoded = cert.getEncoded();
            bytes.write(encoded);
        }

        // Wrap the data in a SEQUENCE
        DerOutputStream derout = new DerOutputStream();
        derout.write(DerValue.tag_SequenceOf, bytes);
        return derout.toByteArray();

    } catch (IOException ioe) {
       throw new CertificateEncodingException("IOException encoding " +
               "PkiPath data: " + ioe, ioe);
    }
}
 

/**
 * Encodes the issuing distribution point extension and writes it to the
 * DerOutputStream.
 *
 * @param out the output stream.
 * @exception IOException on encoding error.
 */
public void encode(OutputStream out) throws IOException {
    DerOutputStream tmp = new DerOutputStream();
    if (this.extensionValue == null) {
        this.extensionId = PKIXExtensions.IssuingDistributionPoint_Id;
        this.critical = false;
        encodeThis();
    }
    super.encode(tmp);
    out.write(tmp.toByteArray());
}