Examples of org.bouncycastle.openpgp.PGPPublicKey

org.bouncycastle.openpgp.PGPPublicKey
general class to handle a PGP public key object.

        if (armor)
        {
            publicOut = new ArmoredOutputStream(publicOut);
        }


        PGPPublicKey    key = secretKey.getPublicKey();
        
        key.encode(publicOut);
        
        publicOut.close();
    }

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        Security.addProvider(new BouncyCastleProvider());


        if (args.length == 1)
        {
            PGPPublicKeyRing ring = new PGPPublicKeyRing(PGPUtil.getDecoderStream(new FileInputStream(args[0])), new JcaKeyFingerprintCalculator());
            PGPPublicKey key = ring.getPublicKey();
            
            // iterate through all direct key signautures and look for NotationData subpackets
            Iterator iter = key.getSignaturesOfType(PGPSignature.DIRECT_KEY);
            while(iter.hasNext())
            {
                PGPSignature    sig = (PGPSignature)iter.next();
                
                System.out.println("Signature date is: " + sig.getHashedSubPackets().getSignatureCreationTime());

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            Iterator    it = pgpPub.getPublicKeys();
            boolean     first = true;
            while (it.hasNext())
            {
                PGPPublicKey    pgpKey = (PGPPublicKey)it.next();


                if (first)
                {
                    System.out.println("Key ID: " + Long.toHexString(pgpKey.getKeyID()));
                    first = false;
                }
                else
                {
                    System.out.println("Key ID: " + Long.toHexString(pgpKey.getKeyID()) + " (subkey)");
                }
                System.out.println("            Algorithm: " + getAlgorithm(pgpKey.getAlgorithm()));
                System.out.println("            Fingerprint: " + new String(Hex.encode(pgpKey.getFingerprint())));
            }
        }
    }

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        boolean         armor,
        boolean         withIntegrityCheck)
        throws IOException, NoSuchProviderException, PGPException
    {
        OutputStream out = new BufferedOutputStream(new FileOutputStream(outputFileName));
        PGPPublicKey encKey = PGPExampleUtil.readPublicKey(encKeyFileName);
        encryptFile(out, inputFileName, encKey, armor, withIntegrityCheck);
        out.close();
    }

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    public void performTest()
        throws Exception
    {
        try
        {
            PGPPublicKey pubKey = null;
            
            PGPUtil.setDefaultProvider("BC");


            //
            // Read the public key
            //
            PGPObjectFactory    pgpFact = new PGPObjectFactory(testPubKeyRing);
            
            PGPPublicKeyRing        pgpPub = (PGPPublicKeyRing)pgpFact.nextObject();


               pubKey = pgpPub.getPublicKey();


            if (pubKey.getBitStrength() != 1024)
            {
                fail("failed - key strength reported incorrectly.");
            }


            //
            // Read the private key
            //
            PGPSecretKeyRing    sKey = new PGPSecretKeyRing(testPrivKeyRing);
            PGPPrivateKey        pgpPrivKey = sKey.getSecretKey().extractPrivateKey(pass, "BC");
            
            //
            // signature generation
            //
            String                                data = "hello world!";
            ByteArrayOutputStream    bOut = new ByteArrayOutputStream();
            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());


            PGPCompressedData c1 = (PGPCompressedData)pgpFact.nextObject();


            pgpFact = new PGPObjectFactory(c1.getDataStream());
            
            PGPOnePassSignatureList p1 = (PGPOnePassSignatureList)pgpFact.nextObject();
            
            PGPOnePassSignature ops = p1.get(0);
            
            PGPLiteralData p2 = (PGPLiteralData)pgpFact.nextObject();
            if (!p2.getModificationTime().equals(testDate))
            {
                fail("Modification time not preserved");
            }


            InputStream    dIn = p2.getInputStream();


            ops.initVerify(pubKey, "BC");
            
            while ((ch = dIn.read()) >= 0)
            {
                ops.update((byte)ch);
            }


            PGPSignatureList p3 = (PGPSignatureList)pgpFact.nextObject();


            if (!ops.verify(p3.get(0)))
            {
                fail("Failed generated signature check");
            }
            
            //
            // test encryption
            //
            
            //
            // find a key suitable for encryption
            //
            long            pgpKeyID = 0;
            PublicKey    pKey = null;
            
            Iterator    it = pgpPub.getPublicKeys();
            while (it.hasNext())
            {
                PGPPublicKey    pgpKey = (PGPPublicKey)it.next();


                if (pgpKey.getAlgorithm() == PGPPublicKey.ELGAMAL_ENCRYPT
                    || pgpKey.getAlgorithm() == PGPPublicKey.ELGAMAL_GENERAL)
                {
                    pKey = pgpKey.getKey("BC");
                    pgpKeyID = pgpKey.getKeyID();
                    if (pgpKey.getBitStrength() != 1024)
                    {
                        fail("failed - key strength reported incorrectly.");
                    }
                    
                    //
                    // verify the key
                    //
                    
                }
            }
             
            Cipher c = Cipher.getInstance("ElGamal/None/PKCS1Padding", "BC");


            c.init(Cipher.ENCRYPT_MODE, pKey);
            
            byte[]  in = "hello world".getBytes();


            byte[]  out = c.doFinal(in);
            
            pgpPrivKey = sKey.getSecretKey(pgpKeyID).extractPrivateKey(pass, "BC");
            
            c.init(Cipher.DECRYPT_MODE, pgpPrivKey.getKey());
            
            out = c.doFinal(out);
            
            if (!areEqual(in, out))
            {
                fail("decryption failed.");
            }


            //
            // encrypted message
            //
            byte[]    text = { (byte)'h', (byte)'e', (byte)'l', (byte)'l', (byte)'o', (byte)' ', (byte)'w', (byte)'o', (byte)'r', (byte)'l', (byte)'d', (byte)'!', (byte)'\n' };
            
            PGPObjectFactory pgpF = new PGPObjectFactory(encMessage);


            PGPEncryptedDataList            encList = (PGPEncryptedDataList)pgpF.nextObject();
        
            PGPPublicKeyEncryptedData    encP = (PGPPublicKeyEncryptedData)encList.get(0);


            InputStream clear = encP.getDataStream(pgpPrivKey, "BC");
                     
            pgpFact = new PGPObjectFactory(clear);


            c1 = (PGPCompressedData)pgpFact.nextObject();


            pgpFact = new PGPObjectFactory(c1.getDataStream());
            
            PGPLiteralData    ld = (PGPLiteralData)pgpFact.nextObject();
        
            bOut = new ByteArrayOutputStream();
            
            if (!ld.getFileName().equals("test.txt"))
            {
                throw new RuntimeException("wrong filename in packet");
            }


            InputStream    inLd = ld.getDataStream();
            
            while ((ch = inLd.read()) >= 0)
            {
                bOut.write(ch);
            }


            if (!areEqual(bOut.toByteArray(), text))
            {
                fail("wrong plain text in decrypted packet");
            }
            
            //
            // signed and encrypted message
            //
            pgpF = new PGPObjectFactory(signedAndEncMessage);


            encList = (PGPEncryptedDataList)pgpF.nextObject();
        
            encP = (PGPPublicKeyEncryptedData)encList.get(0);


            clear = encP.getDataStream(pgpPrivKey, "BC");
                     
            pgpFact = new PGPObjectFactory(clear);


            c1 = (PGPCompressedData)pgpFact.nextObject();


            pgpFact = new PGPObjectFactory(c1.getDataStream());
            
            p1 = (PGPOnePassSignatureList)pgpFact.nextObject();
            
            ops = p1.get(0);
            
            ld = (PGPLiteralData)pgpFact.nextObject();
        
            bOut = new ByteArrayOutputStream();
            
            if (!ld.getFileName().equals("test.txt"))
            {
                throw new RuntimeException("wrong filename in packet");
            }


            inLd = ld.getDataStream();
            
            //
            // note: we use the DSA public key here.
            //
            ops.initVerify(pgpPub.getPublicKey(), "BC");
            
            while ((ch = inLd.read()) >= 0)
            {
                ops.update((byte)ch);
                bOut.write(ch);
            }


            p3 = (PGPSignatureList)pgpFact.nextObject();


            if (!ops.verify(p3.get(0)))
            {
                fail("Failed signature check");
            }
            
            if (!areEqual(bOut.toByteArray(), text))
            {
                fail("wrong plain text in decrypted packet");
            }
            
            //
            // encrypt
            //
            ByteArrayOutputStream        cbOut = new ByteArrayOutputStream();
            PGPEncryptedDataGenerator    cPk = new PGPEncryptedDataGenerator(SymmetricKeyAlgorithmTags.TRIPLE_DES, new SecureRandom(), "BC");            
            PGPPublicKey                        puK = sKey.getSecretKey(pgpKeyID).getPublicKey();
            
            cPk.addMethod(puK);
            
            OutputStream    cOut = cPk.open(new UncloseableOutputStream(cbOut), bOut.toByteArray().length);


            cOut.write(text);


            cOut.close();


            pgpF = new PGPObjectFactory(cbOut.toByteArray());


            encList = (PGPEncryptedDataList)pgpF.nextObject();
        
            encP = (PGPPublicKeyEncryptedData)encList.get(0);
            
            pgpPrivKey = sKey.getSecretKey(pgpKeyID).extractPrivateKey(pass, "BC");


            clear = encP.getDataStream(pgpPrivKey, "BC");
            
            bOut.reset();
            
            while ((ch = clear.read()) >= 0)
            {
                bOut.write(ch);
            }


            out = bOut.toByteArray();


            if (!areEqual(out, text))
            {
                fail("wrong plain text in generated packet");
            }
            
            //
            // use of PGPKeyPair
            //
            BigInteger g = new BigInteger("153d5d6172adb43045b68ae8e1de1070b6137005686d29d3d73a7749199681ee5b212c9b96bfdcfa5b20cd5e3fd2044895d609cf9b410b7a0f12ca1cb9a428cc", 16);
            BigInteger p = new BigInteger("9494fec095f3b85ee286542b3836fc81a5dd0a0349b4c239dd38744d488cf8e31db8bcb7d33b41abb9e5a33cca9144b1cef332c94bf0573bf047a3aca98cdf3b", 16);


            KeyPairGenerator       kpg = KeyPairGenerator.getInstance("ElGamal", "BC");
            
            ElGamalParameterSpec   elParams = new ElGamalParameterSpec(p, g);
            
            kpg.initialize(elParams);
            
            KeyPair kp = kpg.generateKeyPair();
            
            PGPKeyPair    pgpKp = new PGPKeyPair(PGPPublicKey.ELGAMAL_GENERAL , kp.getPublic(), kp.getPrivate(), new Date());
            
            PGPPublicKey k1 = pgpKp.getPublicKey();
            
            PGPPrivateKey k2 = pgpKp.getPrivateKey();






            // Test bug with ElGamal P size != 0 mod 8 (don't use these sizes at home!)
            SecureRandom random = new SecureRandom();
            for (int pSize = 257; pSize < 264; ++pSize)
            {
                // Generate some parameters of the given size
                AlgorithmParameterGenerator a = AlgorithmParameterGenerator.getInstance("ElGamal", "BC");
                a.init(pSize, new SecureRandom());
                AlgorithmParameters params = a.generateParameters();


                DHParameterSpec elP = (DHParameterSpec)params.getParameterSpec(DHParameterSpec.class);
                KeyPairGenerator keyGen = KeyPairGenerator.getInstance("ElGamal", "BC");


                keyGen.initialize(elP);




                // Run a short encrypt/decrypt test with random key for the given parameters
                kp = keyGen.generateKeyPair();


                PGPKeyPair elGamalKeyPair = new PGPKeyPair(
                    PublicKeyAlgorithmTags.ELGAMAL_GENERAL, kp, new Date());


                cPk = new PGPEncryptedDataGenerator(SymmetricKeyAlgorithmTags.CAST5, random, "BC");


                puK = elGamalKeyPair.getPublicKey();


                cPk.addMethod(puK);


                cbOut = new ByteArrayOutputStream();


                cOut = cPk.open(cbOut, text.length);


                cOut.write(text);


                cOut.close();


                pgpF = new PGPObjectFactory(cbOut.toByteArray());


                encList = (PGPEncryptedDataList)pgpF.nextObject();


                encP = (PGPPublicKeyEncryptedData)encList.get(0);


                pgpPrivKey = elGamalKeyPair.getPrivateKey();


                // Note: This is where an exception would be expected if the P size causes problems
                clear = encP.getDataStream(pgpPrivKey, "BC");


                ByteArrayOutputStream dec = new ByteArrayOutputStream();


                int b;
                while ((b = clear.read()) >= 0)
                {
                    dec.write(b);
                }


                byte[] decText = dec.toByteArray();


                if (!areEqual(text, decText))
                {
                    fail("decrypted message incorrect");
                }
            }


            // check sub key encoding


            it = pgpPub.getPublicKeys();
            while (it.hasNext())
            {
                PGPPublicKey    pgpKey = (PGPPublicKey)it.next();


                if (!pgpKey.isMasterKey())
                {
                    byte[] kEnc = pgpKey.getEncoded();


                    PGPObjectFactory objF = new PGPObjectFactory(kEnc);


                    PGPPublicKey k = (PGPPublicKey)objF.nextObject();


                    pKey = k.getKey("BC");
                    pgpKeyID = k.getKeyID();
                    if (k.getBitStrength() != 1024)
                    {
                        fail("failed - key strength reported incorrectly.");
                    }
       
                    if (objF.nextObject() != null)

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        PGPObjectFactory           pgpFact = new PGPObjectFactory(aIn);
        PGPSignatureList           p3 = (PGPSignatureList)pgpFact.nextObject();
        PGPSignature               sig = p3.get(0);


        PGPPublicKey publicKey = pgpRings.getPublicKey(sig.getKeyID());
        sig.init(new JcaPGPContentVerifierBuilderProvider().setProvider("BC"), publicKey);


        //
        // read the input, making sure we ignore the last newline.
        //

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        InputStream                 dIn = new BufferedInputStream(new FileInputStream(fileName));


        PGPSignature                sig = p3.get(0);
        PGPPublicKey                key = pgpPubRingCollection.getPublicKey(sig.getKeyID());


        sig.init(new JcaPGPContentVerifierBuilderProvider().setProvider("BC"), key);


        int ch;
        while ((ch = dIn.read()) >= 0)

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        InputStream                 dIn = p2.getInputStream();
        int                         ch;
        PGPPublicKeyRingCollection  pgpRing = new PGPPublicKeyRingCollection(PGPUtil.getDecoderStream(keyIn));


        PGPPublicKey                key = pgpRing.getPublicKey(ops.getKeyID());
        FileOutputStream            out = new FileOutputStream(p2.getFileName());


        ops.init(new JcaPGPContentVerifierBuilderProvider().setProvider("BC"), key);
            
        while ((ch = dIn.read()) >= 0)

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        else
        {
            throw new PGPException("unknown key class");
        }


        return new PGPPublicKey(new PublicKeyPacket(algorithm, time, bcpgKey), fingerPrintCalculator);
    }

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            Iterator    it = pgpPub.getPublicKeys();
            while (it.hasNext())
            {
                keyCount++;


                PGPPublicKey    pubKey = (PGPPublicKey)it.next();
                
                Iterator   sIt = pubKey.getSignatures();
                while (sIt.hasNext())
                {
                    ((PGPSignature)sIt.next()).getSignatureType();
                }
            }
            
            if (keyCount != 2)
            {
                fail("wrong number of public keys");
            }
        }
        
        if (count != 1)
        {
            fail("wrong number of public keyrings");
        }
        
        //
        // exact match
        //
        rIt = pubRings.getKeyRings("test (Test key) <test@ubicall.com>");
        count = 0;
        while (rIt.hasNext())
        {
            count++;
            rIt.next();
        }
        
        if (count != 1)
        {
            fail("wrong number of public keyrings on exact match");
        }
        
        //
        // partial match 1 expected
        //
        rIt = pubRings.getKeyRings("test", true);
        count = 0;
        while (rIt.hasNext())
        {
            count++;
            rIt.next();
        }
        
        if (count != 1)
        {
            fail("wrong number of public keyrings on partial match 1");
        }
        
        //
        // partial match 0 expected
        //
        rIt = pubRings.getKeyRings("XXX", true);
        count = 0;
        while (rIt.hasNext())
        {
            count++;
            rIt.next();
        }
        
        if (count != 0)
        {
            fail("wrong number of public keyrings on partial match 0");
        }


        //
        // case-insensitive partial match
        //
        rIt = pubRings.getKeyRings("TEST@ubicall.com", true, true);
        count = 0;
        while (rIt.hasNext())
        {
            count++;
            rIt.next();
        }
        
        if (count != 1)
        {
            fail("wrong number of public keyrings on case-insensitive partial match");
        }
        
        PGPSecretKeyRingCollection    secretRings = new PGPSecretKeyRingCollection(sec1);


        rIt = secretRings.getKeyRings();
        count = 0;
        
        while (rIt.hasNext())
        {
            PGPSecretKeyRing                    pgpSec = (PGPSecretKeyRing)rIt.next();
    
            count++;
            
            int    keyCount = 0;
            
            byte[]    bytes = pgpSec.getEncoded();
            
            pgpSec = new PGPSecretKeyRing(bytes);
            
            Iterator    it = pgpSec.getSecretKeys();
            while (it.hasNext())
            {
                keyCount++;


                PGPSecretKey    k = (PGPSecretKey)it.next();
                PGPPublicKey    pk = k.getPublicKey();
                
                pk.getSignatures();
                
                byte[] pkBytes = pk.getEncoded();
                
                PGPPublicKeyRing  pkR = new PGPPublicKeyRing(pkBytes);
            }
            
            if (keyCount != 2)

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