Package com.maverick.crypto.asn1

Examples of com.maverick.crypto.asn1.DERInputStream

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        byte[]  bytes)
    {
        try
        {
            ByteArrayInputStream    bIn = new ByteArrayInputStream(bytes);
            DERInputStream          dIn = new DERInputStream(bIn);

            return (ASN1Sequence)dIn.readObject();
        }
        catch (Exception e)
        {
            throw new IllegalArgumentException("badly encoded request");
        }
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        this.sigAlgId = new AlgorithmIdentifier(sigOID, null);

        byte[]                  bytes = key.getEncoded();
        ByteArrayInputStream    bIn = new ByteArrayInputStream(bytes);
        DERInputStream          dIn = new DERInputStream(bIn);

        try
        {
            this.reqInfo = new CertificationRequestInfo(subject, new SubjectPublicKeyInfo((ASN1Sequence)dIn.readObject()), attributes);
        }
        catch (IOException e)
        {
            throw new IllegalArgumentException("can't encode public key");
        }
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    public void setPublicKey(
        PublicKey       key)
    {
        try
        {
            tbsGen.setSubjectPublicKeyInfo(new SubjectPublicKeyInfo((ASN1Sequence)new DERInputStream(
                                new ByteArrayInputStream(key.getEncoded())).readObject()));
        }
        catch (Exception e)
        {
            throw new IllegalArgumentException("unable to process key - " + e.toString());
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    private BigInteger[] derDecode(
        byte[]  encoding)
        throws IOException
    {
        ByteArrayInputStream    bIn = new ByteArrayInputStream(encoding);
        DERInputStream          dIn = new DERInputStream(bIn);
        ASN1Sequence            s = (ASN1Sequence)dIn.readObject();

        BigInteger[]            sig = new BigInteger[2];

        sig[0] = ((DERInteger)s.getObjectAt(0)).getValue();
        sig[1] = ((DERInteger)s.getObjectAt(1)).getValue();
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    private Certificate readDERCertificate(
        InputStream in)
        throws IOException
    {
        DERInputStream  dIn = new DERInputStream(in);
        ASN1Sequence    seq = (ASN1Sequence)dIn.readObject();

        if (seq.size() > 1
                && seq.getObjectAt(0) instanceof DERObjectIdentifier)
        {
            if (seq.getObjectAt(0).equals(PKCSObjectIdentifiers.signedData))
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    private CRL readDERCRL(
        InputStream in)
        throws IOException
    {
        DERInputStream  dIn = new DERInputStream(in);

        return new X509CRLObject(new CertificateList((ASN1Sequence)dIn.readObject()));
    }
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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;
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            X509Name proxyDN = req.getCertificationRequestInfo().getSubject();
            X500Principal userDN = cert.getSubjectX500Principal();

            ByteArrayInputStream bIn = new ByteArrayInputStream(
                    userDN.getEncoded());
            DERInputStream dIn = new DERInputStream(bIn);
            ASN1Sequence      seq = (ASN1Sequence) dIn.readObject();
            X509Name uDN = new X509Name(seq);

            Log.debug(CLASS_NAME,
                    "user's subjectDN: " + uDN.toString()
                    + "\nproxy's subjectDN: " + proxyDN.toString());
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        return TBSCertificateStructure.getInstance(derObject);
    }

    private static DERObject toDer(byte [] data) {
        try {
            DERInputStream derInput =
                new DERInputStream(new ByteArrayInputStream(data));
            return derInput.readObject();
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
    }
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    }

    public static DERObject toDERObject(byte[] data)  throws IOException {

        ByteArrayInputStream inStream = new ByteArrayInputStream(data);
        DERInputStream derInputStream = new DERInputStream(inStream);

        return derInputStream.readObject();
    }
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Related Classes of com.maverick.crypto.asn1.DERInputStream

  • com.adito.boot.KeyStoreManager
  • com.maverick.crypto.asn1.ASN1EncodableVector
  • com.maverick.crypto.asn1.ASN1Sequence
  • com.maverick.crypto.asn1.DERBitString
  • com.maverick.crypto.asn1.DERBoolean
  • com.maverick.crypto.asn1.DERGeneralizedTime
  • com.maverick.crypto.asn1.DERInputStream
  • com.maverick.crypto.asn1.DERInteger
  • com.maverick.crypto.asn1.DERObjectIdentifier
  • com.maverick.crypto.asn1.DEROutputStream
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