Package org.bouncycastle.asn1

Examples of org.bouncycastle.asn1.DERConstructedSequence


   private static BigInteger[] convertASN1toBIGINT(byte derbytes[])
           throws IOException {

      ByteArrayInputStream bIn = new ByteArrayInputStream(derbytes);
      DERInputStream dIn = new DERInputStream(bIn);
      DERConstructedSequence seq = (DERConstructedSequence) dIn.readObject();
      BigInteger r = ((DERInteger) seq.getObjectAt(0)).getValue();
      BigInteger s = ((DERInteger) seq.getObjectAt(1)).getValue();
      BigInteger result[] = new BigInteger[2];

      result[0] = r;
      result[1] = s;
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   private static byte[] convertBIGINTtoASN1(BigInteger r, BigInteger s)
           throws IOException {

      ByteArrayOutputStream bOut = new ByteArrayOutputStream();
      DEROutputStream dOut = new DEROutputStream(bOut);
      DERConstructedSequence seq = new DERConstructedSequence();

      seq.addObject(new DERInteger(r));
      seq.addObject(new DERInteger(s));
      dOut.writeObject(seq);

      return bOut.toByteArray();
   }
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   private static BigInteger[] convertASN1toBIGINT(byte derbytes[])
           throws IOException {

      ByteArrayInputStream bIn = new ByteArrayInputStream(derbytes);
      DERInputStream dIn = new DERInputStream(bIn);
      DERConstructedSequence seq = (DERConstructedSequence) dIn.readObject();
      BigInteger r = ((DERInteger) seq.getObjectAt(0)).getValue();
      BigInteger s = ((DERInteger) seq.getObjectAt(1)).getValue();
      BigInteger result[] = new BigInteger[2];

      result[0] = r;
      result[1] = s;
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        String  d = dateF.format(date) + "Z";
        int     year = Integer.parseInt(d.substring(0, 4));

        if (year < 1950 || year > 2049)
        {
            time = new DERGeneralizedTime(d);
        }
        else
        {
            time = new DERUTCTime(d.substring(2));
        }
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    {
  super("X.509");
  try {
      if ( encoding.equals( "PkiPath" ) )
      {
    DERInputStream derInStream = new DERInputStream(inStream);
    DERObject derObject = derInStream.readObject();
    if ( derObject == null || ! ( derObject instanceof ASN1Sequence ) )
    {
        throw new CertificateException("input stream does not contain a ASN1 SEQUENCE while reading PkiPath encoded data to load CertPath" );
    }
    Enumeration enumx = ((ASN1Sequence)derObject).getObjects();
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    private DERObject getEncodedX509Certificate( X509Certificate cert )
  throws CertificateEncodingException
    {
  try {
      ByteArrayInputStream inStream = new ByteArrayInputStream( cert.getEncoded() );
      DERInputStream derInStream = new DERInputStream( inStream );
      return derInStream.readObject();
  } catch ( IOException ex ) {
      throw new CertificateEncodingException( "IOException caught while encoding certificate\n" + ex.toString() );
  }
    }
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            && (data[2] == 0x02 || data[2] == 0x03))
        {
            try
            {
                ByteArrayInputStream    bIn = new ByteArrayInputStream(data);
                DERInputStream          dIn = new DERInputStream(bIn);

                key = (ASN1OctetString)dIn.readObject();
            }
            catch (IOException ex)
            {
                throw new IllegalArgumentException("error recovering public key");
            }
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    private DigestInfo derDecode(
        byte[]  encoding)
        throws IOException
    {
        ByteArrayInputStream    bIn = new ByteArrayInputStream(encoding);
        DERInputStream          dIn = new DERInputStream(bIn);

        return new DigestInfo((ASN1Sequence)dIn.readObject());
    }
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     static PublicKey createPublicKeyFromDERStream(
            InputStream         in)
            throws IOException
        {
            return createPublicKeyFromPublicKeyInfo(
                    new SubjectPublicKeyInfo((ASN1Sequence)(new DERInputStream(in).readObject())));
        }
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    static PrivateKey createPrivateKeyFromDERStream(
            InputStream         in)
            throws IOException
        {
            return createPrivateKeyFromPrivateKeyInfo(
                    new PrivateKeyInfo((ASN1Sequence)(new DERInputStream(in).readObject())));
        }
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