Examples of org.bouncycastle.openssl.PEMWriter

org.bouncycastle.openssl.PEMWriter
General purpose writer for OpenSSL PEM objects.

   @Test
   public void testPemWriter() throws Exception
   {
      PublicKey realmPublicKey = idpPair.getPublic();
      StringWriter sw = new StringWriter();
      PEMWriter writer = new PEMWriter(sw);
      try
      {
         writer.writeObject(realmPublicKey);
         writer.flush();
      }
      catch (IOException e)
      {
         throw new RuntimeException(e);
      }

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      if (realmPublicKey == null) throw new RuntimeException("You have not declared a keystore or public key");
      if (realmPrivateKey == null) throw new RuntimeException("You have not declared a keystore or private key");
      if (realmPublicKeyPem == null)
      {
         StringWriter sw = new StringWriter();
         PEMWriter writer = new PEMWriter(sw);
         try
         {
            writer.writeObject(realmPublicKey);
            writer.flush();
         }
         catch (IOException e)
         {
            throw new RuntimeException(e);
         }

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   public void setPublicKey(PublicKey publicKey)
   {
      this.publicKey = publicKey;
      StringWriter writer = new StringWriter();
      PEMWriter pemWriter = new PEMWriter(writer);
      try
      {
         pemWriter.writeObject(publicKey);
         pemWriter.flush();
      }
      catch (IOException e)
      {
         throw new RuntimeException(e);
      }

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   public void setPrivateKey(PrivateKey privateKey)
   {
      this.privateKey = privateKey;
      StringWriter writer = new StringWriter();
      PEMWriter pemWriter = new PEMWriter(writer);
      try
      {
         pemWriter.writeObject(privateKey);
         pemWriter.flush();
      }
      catch (IOException e)
      {
         throw new RuntimeException(e);
      }

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   {
      System.out.println("*******************");
      if (Security.getProvider("BC") == null) Security.addProvider(new BouncyCastleProvider());
      KeyPair keyPair = KeyPairGenerator.getInstance("RSA").generateKeyPair();
      StringWriter writer = new StringWriter();
      PEMWriter pemWriter = new PEMWriter(writer);
      pemWriter.writeObject(keyPair.getPublic());
      pemWriter.flush();
      String s = writer.toString();
      System.out.println(s);
      s = PemUtils.removeBeginEnd(s);


      PublicKey pk = PemUtils.decodePublicKey(s);

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{
ByteArrayOutputStream bo = null;
try
  {
  bo = new ByteArrayOutputStream();
  PEMWriter writer = new PEMWriter( new OutputStreamWriter( bo ) );
  writer.writeObject( cert );
  writer.flush();
  writer.close();
  byte[] _data = bo.toByteArray();
  String pemStr = new String( _data );
  return pemStr;
  }
catch( Exception e )

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        //
        // PKCS7
        //
        ByteArrayOutputStream bOut = new ByteArrayOutputStream();
        PEMWriter             pWrt = new PEMWriter(new OutputStreamWriter(bOut));
        
        pWrt.writeObject(d);
        
        pWrt.close();
        
        pemRd = new PEMReader(new InputStreamReader(new ByteArrayInputStream(bOut.toByteArray())));
        d = (ContentInfo)pemRd.readObject();    
        
        if (!d.getContentType().equals(CMSObjectIdentifiers.envelopedData))

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        KeyPair pair) 
        throws IOException
    {
        PEMReader pemRd;
        ByteArrayOutputStream bOut = new ByteArrayOutputStream();
        PEMWriter             pWrt = new PEMWriter(new OutputStreamWriter(bOut));
        
        pWrt.writeObject(pair.getPublic());
        
        pWrt.close();


        pemRd = new PEMReader(new InputStreamReader(new ByteArrayInputStream(bOut.toByteArray())));
        
        PublicKey k = (PublicKey)pemRd.readObject();
        if (!k.equals(pair.getPublic()))
        {
            fail("Failed public key read: " + name);
        }
        
        bOut = new ByteArrayOutputStream();
        pWrt = new PEMWriter(new OutputStreamWriter(bOut));
        
        pWrt.writeObject(pair.getPrivate());
        
        pWrt.close();
        
        pemRd = new PEMReader(new InputStreamReader(new ByteArrayInputStream(bOut.toByteArray())));
        
        KeyPair kPair = (KeyPair)pemRd.readObject();
        if (!kPair.getPrivate().equals(pair.getPrivate()))

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                    PKCSObjectIdentifiers.signedData, sd));
        }
        else if (encoding.equalsIgnoreCase("PEM"))
        {
            ByteArrayOutputStream bOut = new ByteArrayOutputStream();
            PEMWriter             pWrt = new PEMWriter(new OutputStreamWriter(bOut));


            try
            {
                for (int i = 0; i != certificates.size(); i++)
                {
                    pWrt.writeObject(certificates.get(i));
                }
            
                pWrt.close();
            }
            catch (Exception e)
            {
                throw new CertificateEncodingException("can't encode certificate for PEM encoded path");
            }

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        return null;
    }


    public static String getPemFromKey(Key key) {
        StringWriter writer = new StringWriter();
        PEMWriter pemWriter = new PEMWriter(writer);
        try {
            pemWriter.writeObject(key);
            pemWriter.flush();
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
        String s = writer.toString();
        return PemUtils.removeBeginEnd(s);

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