Examples of PGPCompressedDataGenerator

org.bouncycastle.openpgp.PGPCompressedDataGenerator
class for producing compressed data packets.

Examples of org.bouncycastle.openpgp.PGPCompressedDataGenerator

        //
        // encryption step - convert to literal data, compress, encode.
        //
        ByteArrayOutputStream bOut = new ByteArrayOutputStream();
        
        PGPCompressedDataGenerator comData = new PGPCompressedDataGenerator(
                                                                PGPCompressedData.ZIP);
                                                                
        Date                       cDate = new Date((System.currentTimeMillis() / 1000) * 1000);
        PGPLiteralDataGenerator    lData = new PGPLiteralDataGenerator();
        OutputStream               comOut = comData.open(new UncloseableOutputStream(bOut));
        OutputStream               ldOut = lData.open(
            new UncloseableOutputStream(comOut),
            PGPLiteralData.BINARY, 
            PGPLiteralData.CONSOLE, 
            text.length,
            cDate);


        ldOut.write(text);


        ldOut.close();
        
        comOut.close();


        //
        // encrypt - with stream close
        //
        ByteArrayOutputStream        cbOut = new ByteArrayOutputStream();
        PGPEncryptedDataGenerator    cPk = new PGPEncryptedDataGenerator(new BcPGPDataEncryptorBuilder(PGPEncryptedData.CAST5).setSecureRandom(new SecureRandom()));
        
        cPk.addMethod(new BcPBEKeyEncryptionMethodGenerator(pass));
        
        OutputStream    cOut = cPk.open(new UncloseableOutputStream(cbOut), bOut.toByteArray().length);


        cOut.write(bOut.toByteArray());


        cOut.close();


        out = decryptMessage(cbOut.toByteArray(), cDate);


        if (!areEqual(out, text))
        {
            fail("wrong plain text in generated packet");
        }


        //
        // encrypt - with generator close
        //
        cbOut = new ByteArrayOutputStream();
        cPk = new PGPEncryptedDataGenerator(new BcPGPDataEncryptorBuilder(PGPEncryptedData.CAST5).setSecureRandom(new SecureRandom()));


        cPk.addMethod(new BcPBEKeyEncryptionMethodGenerator(pass));


        cOut = cPk.open(new UncloseableOutputStream(cbOut), bOut.toByteArray().length);


        cOut.write(bOut.toByteArray());


        cPk.close();


        out = decryptMessage(cbOut.toByteArray(), cDate);


        if (!areEqual(out, text))
        {
            fail("wrong plain text in generated packet");
        }


        //
        // encrypt - partial packet style.
        //
        SecureRandom    rand = new SecureRandom();
        byte[]    test = new byte[1233];
        
        rand.nextBytes(test);
        
        bOut = new ByteArrayOutputStream();
        
        comData = new PGPCompressedDataGenerator(
                                 PGPCompressedData.ZIP);
        comOut = comData.open(bOut);
        lData = new PGPLiteralDataGenerator();


        ldOut = lData.open(new UncloseableOutputStream(comOut),
            PGPLiteralData.BINARY, PGPLiteralData.CONSOLE, TEST_DATE,
            new byte[16]);


        
        ldOut.write(test);


        ldOut.close();
        
        comOut.close();


        cbOut = new ByteArrayOutputStream();
        cPk = new PGPEncryptedDataGenerator(new BcPGPDataEncryptorBuilder(PGPEncryptedData.CAST5).setSecureRandom(rand));
        
        cPk.addMethod(new BcPBEKeyEncryptionMethodGenerator(pass));
        
        cOut = cPk.open(new UncloseableOutputStream(cbOut), new byte[16]);


        cOut.write(bOut.toByteArray());


        cOut.close();


        out = decryptMessage(cbOut.toByteArray(), TEST_DATE);
        if (!areEqual(out, test))
        {
            fail("wrong plain text in generated packet");
        }
        
        //
        // with integrity packet
        //
        cbOut = new ByteArrayOutputStream();
        cPk = new PGPEncryptedDataGenerator(new BcPGPDataEncryptorBuilder(PGPEncryptedData.CAST5).setWithIntegrityPacket(true).setSecureRandom(rand));
        
        cPk.addMethod(new BcPBEKeyEncryptionMethodGenerator(pass));
        
        cOut = cPk.open(new UncloseableOutputStream(cbOut), new byte[16]);


        cOut.write(bOut.toByteArray());


        cOut.close();


        out = decryptMessage(cbOut.toByteArray(), TEST_DATE);
        if (!areEqual(out, test))
        {
            fail("wrong plain text in generated packet");
        }


        //
        // decrypt with buffering
        //
        out = decryptMessageBuffered(cbOut.toByteArray(), TEST_DATE);
        if (!areEqual(out, test))
        {
            fail("wrong plain text in buffer generated packet");
        }


        //
        // sample message
        //
        PGPObjectFactory pgpFact = new PGPObjectFactory(testPBEAsym);


        PGPEncryptedDataList enc = (PGPEncryptedDataList)pgpFact.nextObject();


        PGPPBEEncryptedData     pbe = (PGPPBEEncryptedData)enc.get(1);


        InputStream clear = pbe.getDataStream(new BcPBEDataDecryptorFactory("password".toCharArray(), new BcPGPDigestCalculatorProvider()));


        pgpFact = new PGPObjectFactory(clear);


        PGPLiteralData          ld = (PGPLiteralData)pgpFact.nextObject();


        bOut = new ByteArrayOutputStream();
        InputStream    unc = ld.getInputStream();
        int    ch;


        while ((ch = unc.read()) >= 0)
        {
            bOut.write(ch);
        }


        if (!areEqual(bOut.toByteArray(), Hex.decode("5361742031302e30322e30370d0a")))
        {
            fail("data mismatch on combined PBE");
        }


        //
        // with integrity packet - one byte message
        //
        byte[] msg = new byte[1];
        bOut = new ByteArrayOutputStream();


        comData = new PGPCompressedDataGenerator(
                                                                PGPCompressedData.ZIP);


        lData = new PGPLiteralDataGenerator();
        comOut = comData.open(new UncloseableOutputStream(bOut));
        ldOut = lData.open(
            new UncloseableOutputStream(comOut),
            PGPLiteralData.BINARY,
            PGPLiteralData.CONSOLE,
            msg.length,

View Full Code Here

Examples of org.bouncycastle.openpgp.PGPCompressedDataGenerator


        //
        // new style - using stream close
        //
        ByteArrayOutputStream bOut = new ByteArrayOutputStream();
        PGPCompressedDataGenerator cPacket = new PGPCompressedDataGenerator(
                PGPCompressedData.ZIP);


        OutputStream out = cPacket.open(new UncloseableOutputStream(bOut), new byte[4]);


        out.write("hello world! !dlrow olleh".getBytes());


        out.close();


        validateData(bOut.toByteArray());


        try
        {
            out.close();
            cPacket.close();
        }
        catch (Exception e)
        {
            fail("Redundant close() should be ignored");
        }


        //
        // new style - using generator close
        //
        bOut = new ByteArrayOutputStream();
        cPacket = new PGPCompressedDataGenerator(
                PGPCompressedData.ZIP);


        out = cPacket.open(new UncloseableOutputStream(bOut), new byte[4]);


        out.write("hello world! !dlrow olleh".getBytes());


        cPacket.close();


        validateData(bOut.toByteArray());


        try
        {
            out.close();
            cPacket.close();
        }
        catch (Exception e)
        {
            fail("Redundant close() should be ignored");
        }

View Full Code Here

Examples of org.bouncycastle.openpgp.PGPCompressedDataGenerator

    private void testCompression(
        int type)
        throws IOException, PGPException
    {
        ByteArrayOutputStream bOut = new ByteArrayOutputStream();
        PGPCompressedDataGenerator cPacket = new PGPCompressedDataGenerator(type);


        OutputStream out = cPacket.open(new UncloseableOutputStream(bOut));


        out.write("hello world!".getBytes());


        out.close();

View Full Code Here

Examples of org.bouncycastle.openpgp.PGPCompressedDataGenerator

                
            cPk.addMethod(new JcePublicKeyKeyEncryptionMethodGenerator(encKey).setProvider("BC"));
            
            OutputStream                cOut = cPk.open(out, new byte[1 << 16]);
            
            PGPCompressedDataGenerator  comData = new PGPCompressedDataGenerator(
                                                                    PGPCompressedData.ZIP);
                                                                    
            PGPUtil.writeFileToLiteralData(comData.open(cOut), PGPLiteralData.BINARY, new File(fileName), new byte[1 << 16]);
            
            comData.close();
            
            cOut.close();


            if (armor)
            {

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Examples of org.bouncycastle.openpgp.PGPCompressedDataGenerator

            ByteArrayInputStream        testIn = new ByteArrayInputStream(data.getBytes());
            PGPSignatureGenerator    sGen = new PGPSignatureGenerator(PGPPublicKey.DSA, PGPUtil.SHA1, "BC");
        
            sGen.initSign(PGPSignature.BINARY_DOCUMENT, pgpPrivKey);


            PGPCompressedDataGenerator cGen = new PGPCompressedDataGenerator(
                PGPCompressedData.ZIP);


            BCPGOutputStream bcOut = new BCPGOutputStream(
                cGen.open(new UncloseableOutputStream(bOut)));


            sGen.generateOnePassVersion(false).encode(bcOut);


            PGPLiteralDataGenerator lGen = new PGPLiteralDataGenerator();
            
            Date testDate = new Date((System.currentTimeMillis() / 1000) * 1000);
            OutputStream lOut = lGen.open(
                new UncloseableOutputStream(bcOut),
                PGPLiteralData.BINARY,
                "_CONSOLE",
                data.getBytes().length,
                testDate);


            int ch;
            while ((ch = testIn.read()) >= 0)
            {
                lOut.write(ch);
                sGen.update((byte)ch);
            }


            lGen.close();


            sGen.generate().encode(bcOut);


            cGen.close();


            //
            // verify generated signature
            //
            pgpFact = new PGPObjectFactory(bOut.toByteArray());

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Examples of org.bouncycastle.openpgp.PGPCompressedDataGenerator

            
            spGen.setSignerUserID(false, (String)it.next());
            sGen.setHashedSubpackets(spGen.generate());
        }
        
        PGPCompressedDataGenerator  cGen = new PGPCompressedDataGenerator(
                                                                PGPCompressedData.ZLIB);
        
        BCPGOutputStream            bOut = new BCPGOutputStream(cGen.open(out));
        
        sGen.generateOnePassVersion(false).encode(bOut);
        
        File                        file = new File(fileName);
        PGPLiteralDataGenerator     lGen = new PGPLiteralDataGenerator();
        OutputStream                lOut = lGen.open(bOut, PGPLiteralData.BINARY, file);
        FileInputStream             fIn = new FileInputStream(file);
        int                         ch;
        
        while ((ch = fIn.read()) >= 0)
        {
            lOut.write(ch);
            sGen.update((byte)ch);
        }


        lGen.close();


        sGen.generate().encode(bOut);


        cGen.close();


        if (armor)
        {
            out.close();
        }

View Full Code Here

Examples of org.bouncycastle.openpgp.PGPCompressedDataGenerator

    }


    private static byte[] compress(byte[] clearData, String fileName, int algorithm) throws IOException
    {
        ByteArrayOutputStream bOut = new ByteArrayOutputStream();
        PGPCompressedDataGenerator comData = new PGPCompressedDataGenerator(algorithm);
        OutputStream cos = comData.open(bOut); // open it with the final destination


        PGPLiteralDataGenerator lData = new PGPLiteralDataGenerator();


        // we want to generate compressed data. This might be a user option later,
        // in which case we would pass in bOut.
        OutputStream  pOut = lData.open(cos, // the compressed output stream
                                        PGPLiteralData.BINARY,
                                        fileName,  // "filename" to store
                                        clearData.length, // length of clear data
                                        new Date()  // current time
                                      );


        pOut.write(clearData);
        pOut.close();


        comData.close();


        return bOut.toByteArray();
    }

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Examples of org.bouncycastle.openpgp.PGPCompressedDataGenerator

        
        spGen.setSignerUserID(true, primaryUserID);
        
        sGen.setHashedSubpackets(spGen.generate());
        
        PGPCompressedDataGenerator cGen = new PGPCompressedDataGenerator(
                                                                PGPCompressedData.ZIP);


        BCPGOutputStream bcOut = new BCPGOutputStream(
            cGen.open(new UncloseableOutputStream(bOut)));


        sGen.generateOnePassVersion(false).encode(bcOut);


        PGPLiteralDataGenerator lGen = new PGPLiteralDataGenerator();
        
        Date testDate = new Date((System.currentTimeMillis() / 1000) * 1000);
        OutputStream lOut = lGen.open(
            new UncloseableOutputStream(bcOut),
            PGPLiteralData.BINARY,
            "_CONSOLE",
            data.getBytes().length,
            testDate);


        int ch;
        while ((ch = testIn.read()) >= 0)
        {
            lOut.write(ch);
            sGen.update((byte)ch);
        }


        lGen.close();


        sGen.generate().encode(bcOut);


        cGen.close();


        PGPObjectFactory        pgpFact = new PGPObjectFactory(bOut.toByteArray());
        PGPCompressedData       c1 = (PGPCompressedData)pgpFact.nextObject();


        pgpFact = new PGPObjectFactory(c1.getDataStream());

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Examples of org.bouncycastle.openpgp.PGPCompressedDataGenerator

        ByteArrayInputStream        testIn = new ByteArrayInputStream(data.getBytes());
        PGPSignatureGenerator       sGen = new PGPSignatureGenerator(new BcPGPContentSignerBuilder(PGPPublicKey.DSA, PGPUtil.SHA1));


        sGen.init(PGPSignature.CANONICAL_TEXT_DOCUMENT, pgpPrivKey);


        PGPCompressedDataGenerator  cGen = new PGPCompressedDataGenerator(
            PGPCompressedData.ZIP);


        BCPGOutputStream bcOut = new BCPGOutputStream(
            cGen.open(new UncloseableOutputStream(bOut)));


        sGen.generateOnePassVersion(false).encode(bcOut);


        PGPLiteralDataGenerator     lGen = new PGPLiteralDataGenerator();
        Date testDate = new Date((System.currentTimeMillis() / 1000) * 1000);
        OutputStream lOut = lGen.open(
            new UncloseableOutputStream(bcOut),
            PGPLiteralData.TEXT,
            "_CONSOLE",
            data.getBytes().length,
            testDate);


        while ((ch = testIn.read()) >= 0)
        {
            lOut.write(ch);
            sGen.update((byte)ch);
        }


        lGen.close();


        sGen.generate().encode(bcOut);


        cGen.close();


        //
        // verify generated signature - canconical text
        //
        pgpFact = new PGPObjectFactory(bOut.toByteArray());

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Examples of org.bouncycastle.openpgp.PGPCompressedDataGenerator

class PGPExampleUtil
{
    static byte[] compressFile(String fileName, int algorithm) throws IOException
    {
        ByteArrayOutputStream bOut = new ByteArrayOutputStream();
        PGPCompressedDataGenerator comData = new PGPCompressedDataGenerator(algorithm);
        PGPUtil.writeFileToLiteralData(comData.open(bOut), PGPLiteralData.BINARY,
            new File(fileName));
        comData.close();
        return bOut.toByteArray();
    }

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