Package org.bouncycastle.asn1

Examples of org.bouncycastle.asn1.ASN1Encoding

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                                        ecP.getSeed());
        }

        DERBitString    bits = info.getPublicKeyData();
        byte[]          data = bits.getBytes();
    ASN1OctetString  key = new DEROctetString(data);

        //
        // extra octet string - one of our old certs...
        //
        if (data[0] == 0x04 && data[1] == data.length - 2
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        byte[]  resBuf = new byte[digest.getDigestSize()];

        byte[] bytes = spki.getPublicKeyData().getBytes();
        digest.update(bytes, 0, bytes.length);
        digest.doFinal(resBuf, 0);
        this.keyidentifier = new DEROctetString(resBuf);
    }
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        byte[] bytes = spki.getPublicKeyData().getBytes();
        digest.update(bytes, 0, bytes.length);
        digest.doFinal(resBuf, 0);

        this.keyidentifier = new DEROctetString(resBuf);
        this.certissuer = GeneralNames.getInstance(name.toASN1Object());
        this.certserno = new DERInteger(serialNumber);
    }
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      * create an AuthorityKeyIdentifier with a precomupted key identifier
      */
     public AuthorityKeyIdentifier(
         byte[]                  keyIdentifier)
     {
         this.keyidentifier = new DEROctetString(keyIdentifier);
         this.certissuer = null;
         this.certserno = null;
     }
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    public AuthorityKeyIdentifier(
        byte[]                  keyIdentifier,
        GeneralNames            name,
        BigInteger              serialNumber)
    {
        this.keyidentifier = new DEROctetString(keyIdentifier);
        this.certissuer = GeneralNames.getInstance(name.toASN1Object());
        this.certserno = new DERInteger(serialNumber);
    }
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        throw new CertificateException("input stream does not contain a ASN1 SEQUENCE while reading PkiPath encoded data to load CertPath" );
    }
    Enumeration enumx = ((ASN1Sequence)derObject).getObjects();
    InputStream certInStream;
    ByteArrayOutputStream outStream;
    DEROutputStream derOutStream;
    certificates = new ArrayList();
    CertificateFactory certFactory= CertificateFactory.getInstance( "X.509", "BC" );
    while ( enumx.hasMoreElements() ) {
        outStream = new ByteArrayOutputStream();
        derOutStream = new DEROutputStream(outStream);
   
              derOutStream.writeObject(enumx.nextElement());
              derOutStream.close();

        certInStream = new ByteArrayInputStream(outStream.toByteArray());
        certificates.add(0,certFactory.generateCertificate(certInStream));
    }
      }
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  if ( encoded == null )
      return null;

  ByteArrayOutputStream outStream = new ByteArrayOutputStream();
        DEROutputStream derOutStream = new DEROutputStream(outStream);

  try {
      derOutStream.writeObject( encoded );
      derOutStream.close();
  } catch ( IOException ex ) {
      throw new CertificateEncodingException( "IOExeption thrown: " + ex.toString() );
  }

        return outStream.toByteArray();
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    }

    public byte[] getEncoded()
    {
        ByteArrayOutputStream   bOut = new ByteArrayOutputStream();
        DEROutputStream         dOut = new DEROutputStream(bOut);
        X962Parameters          params = null;

        if (ecSpec instanceof ECNamedCurveParameterSpec)
        {
            params = new X962Parameters(X962NamedCurves.getOID(((ECNamedCurveParameterSpec)ecSpec).getName()));
        }
        else
        {
            X9ECParameters          ecP = new X9ECParameters(
                                            ecSpec.getCurve(),
                                            ecSpec.getG(),
                                            ecSpec.getN(),
                                            ecSpec.getH(),
                                            ecSpec.getSeed());
            params = new X962Parameters(ecP);
        }

        ASN1OctetString    p = (ASN1OctetString)(new X9ECPoint(this.getQ()).getDERObject());

        SubjectPublicKeyInfo info = new SubjectPublicKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.id_ecPublicKey, params.getDERObject()), p.getOctets());

        try
        {
            dOut.writeObject(info);
            dOut.close();
        }
        catch (IOException e)
        {
            throw new RuntimeException("Error encoding EC public key");
        }
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    private byte[] derEncode(
        byte[]  hash)
        throws IOException
    {
        ByteArrayOutputStream   bOut = new ByteArrayOutputStream();
        DEROutputStream         dOut = new DEROutputStream(bOut);
        DigestInfo              dInfo = new DigestInfo(algId, hash);

        dOut.writeObject(dInfo);

        return bOut.toByteArray();
    }
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     * @return a PKCS8 representation of the key.
     */
    public byte[] getEncoded()
    {
        ByteArrayOutputStream   bOut = new ByteArrayOutputStream();
        DEROutputStream         dOut = new DEROutputStream(bOut);
        X962Parameters          params = null;

        if (ecSpec instanceof ECNamedCurveParameterSpec)
        {
            params = new X962Parameters(X962NamedCurves.getOID(((ECNamedCurveParameterSpec)ecSpec).getName()));
        }
        else
        {
            X9ECParameters          ecP = new X9ECParameters(
                                            ecSpec.getCurve(),
                                            ecSpec.getG(),
                                            ecSpec.getN(),
                                            ecSpec.getH(),
                                            ecSpec.getSeed());
            params = new X962Parameters(ecP);
        }

        PrivateKeyInfo          info = new PrivateKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.id_ecPublicKey, params.getDERObject()), new ECPrivateKeyStructure(this.getD()).getDERObject());

        try
        {
            dOut.writeObject(info);
            dOut.close();
        }
        catch (IOException e)
        {
            throw new RuntimeException("Error encoding EC private key");
        }
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Related Classes of org.bouncycastle.asn1.ASN1Encoding

  • org.bouncycastle.asn1.ASN1Encodable
  • org.bouncycastle.asn1.ASN1EncodableVector
  • org.bouncycastle.asn1.ASN1Integer
  • org.bouncycastle.asn1.ASN1SequenceParser
  • org.bouncycastle.asn1.ASN1SetParser
  • org.bouncycastle.asn1.ASN1TaggedObject
  • org.bouncycastle.asn1.BERSequence
  • org.bouncycastle.asn1.BERTaggedObject
  • org.bouncycastle.asn1.cms.AuthEnvelopedDataParser
  • org.bouncycastle.asn1.cms.CompressedData
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