Examples of PGPOnePassSignature

org.bouncycastle.openpgp.PGPOnePassSignature
A one pass signature object.

Examples of org.bouncycastle.openpgp.PGPOnePassSignature

        PGPPublicKey sigPublicKey = PGPDataFormatUtil.findPublicKey(exchange.getContext(), findSignatureKeyFileName(exchange), findSignatureKeyUserid(exchange), false);
        if (sigPublicKey == null) {
            throw new IllegalArgumentException("Signature public key is null, cannot proceed");
        }


        PGPOnePassSignature signature = signatureList.get(0);
        signature.init(new JcaPGPContentVerifierBuilderProvider().setProvider("BC"), sigPublicKey);
        return signature;
    }

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Examples of org.bouncycastle.openpgp.PGPOnePassSignature

        InputStream encData = getDecryptedData(exchange, in);
        InputStream uncompressedData = getUncompressedData(encData);
        PGPObjectFactory pgpFactory = new PGPObjectFactory(uncompressedData);
        Object object = pgpFactory.nextObject();


        PGPOnePassSignature signature;
        if (object instanceof PGPOnePassSignatureList) {
            signature = getSignature(exchange, (PGPOnePassSignatureList) object);
            object = pgpFactory.nextObject();
        } else {
            // no signature contained in PGP message
            signature = null;
            if (SIGNATURE_VERIFICATION_OPTION_REQUIRED.equals(getSignatureVerificationOption())) {
                throw new PGPException(
                        "PGP message does not contain any signatures although a signature is expected. Either send a PGP message with signature or change the configuration of the PGP decryptor.");
            }
        }


        PGPLiteralData ld;
        if (object instanceof PGPLiteralData) {
            ld = (PGPLiteralData) object;
        } else {
            throw getFormatException();
        }
        InputStream litData = ld.getInputStream();


        // enable streaming via OutputStreamCache
        CachedOutputStream cos;
        ByteArrayOutputStream bos;
        OutputStream os;
        if (exchange.getContext().getStreamCachingStrategy().isEnabled()) {
            cos = new CachedOutputStream(exchange);
            bos = null;
            os = cos;
        } else {
            cos = null;
            bos = new ByteArrayOutputStream();
            os = bos;
        }


        try {
            byte[] buffer = new byte[BUFFER_SIZE];
            int bytesRead;
            while ((bytesRead = litData.read(buffer)) != -1) {
                os.write(buffer, 0, bytesRead);
                if (signature != null) {
                    signature.update(buffer, 0, bytesRead);
                }
                os.flush();
            }
        } finally {
            IOHelper.close(os, litData, encData, in);

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Examples of org.bouncycastle.openpgp.PGPOnePassSignature

            throw new PGPException(
                    "PGP message contains a signature although a signature is not expected. Either change the configuration of the PGP decryptor or send a PGP message with no signature.");
        }
        List<String> allowedUserIds = determineSignaturenUserIds(exchange);
        for (int i = 0; i < signatureList.size(); i++) {
            PGPOnePassSignature signature = signatureList.get(i);
            // Determine public key from signature keyId
            PGPPublicKey sigPublicKey = publicKeyAccessor.getPublicKey(exchange, signature.getKeyID(), allowedUserIds);
            if (sigPublicKey == null) {
                continue;
            }
            // choose that signature for which a public key exists!
            signature.init(new JcaPGPContentVerifierBuilderProvider().setProvider(getProvider()), sigPublicKey);
            return signature;
        }
        if (signatureList.isEmpty()) {
            return null;
        } else {

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Examples of org.bouncycastle.openpgp.PGPOnePassSignature

            encData = getDecryptedData(exchange, in);
            uncompressedData = getUncompressedData(encData);
            PGPObjectFactory pgpFactory = new PGPObjectFactory(uncompressedData);
            Object object = pgpFactory.nextObject();


            PGPOnePassSignature signature;
            if (object instanceof PGPOnePassSignatureList) {
                signature = getSignature(exchange, (PGPOnePassSignatureList) object);
                object = pgpFactory.nextObject();
            } else {
                // no signature contained in PGP message
                signature = null;
                if (SIGNATURE_VERIFICATION_OPTION_REQUIRED.equals(getSignatureVerificationOption())) {
                    throw new PGPException(
                            "PGP message does not contain any signatures although a signature is expected. Either send a PGP message with signature or change the configuration of the PGP decryptor.");
                }
            }


            PGPLiteralData ld;
            if (object instanceof PGPLiteralData) {
                ld = (PGPLiteralData) object;
            } else {
                throw getFormatException();
            }
            litData = ld.getInputStream();


            // enable streaming via OutputStreamCache
            if (exchange.getContext().getStreamCachingStrategy().isEnabled()) {
                cos = new CachedOutputStream(exchange);
                bos = null;
                os = cos;
            } else {
                cos = null;
                bos = new ByteArrayOutputStream();
                os = bos;
            }


            byte[] buffer = new byte[BUFFER_SIZE];
            int bytesRead;
            while ((bytesRead = litData.read(buffer)) != -1) {
                os.write(buffer, 0, bytesRead);
                if (signature != null) {
                    signature.update(buffer, 0, bytesRead);
                }
                os.flush();
            }
            verifySignature(pgpFactory, signature);
        } finally {

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Examples of org.bouncycastle.openpgp.PGPOnePassSignature

            throw new PGPException(
                    "PGP message contains a signature although a signature is not expected. Either change the configuration of the PGP decryptor or send a PGP message with no signature.");
        }
        List<String> allowedUserIds = determineSignaturenUserIds(exchange);
        for (int i = 0; i < signatureList.size(); i++) {
            PGPOnePassSignature signature = signatureList.get(i);
            // Determine public key from signature keyId
            PGPPublicKey sigPublicKey = publicKeyAccessor.getPublicKey(exchange, signature.getKeyID(), allowedUserIds);
            if (sigPublicKey == null) {
                continue;
            }
            // choose that signature for which a public key exists!
            signature.init(new JcaPGPContentVerifierBuilderProvider().setProvider(getProvider()), sigPublicKey);
            return signature;
        }
        if (signatureList.isEmpty()) {
            return null;
        } else {

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Examples of org.bouncycastle.openpgp.PGPOnePassSignature


        while (!(pgpObject instanceof PGPLiteralData))
        {
            if (pgpObject instanceof PGPOnePassSignatureList)
            {
                PGPOnePassSignature signature = null;
                PGPOnePassSignatureList list = (PGPOnePassSignatureList) pgpObject;
                signature = list.get(0);
                signature.initVerify(this.publicKey, provider);
                // TODO verify signature
                // signature.verify(null);
                pgpObject = pgpObjectFactory.nextObject();
            }
            else if (pgpObject instanceof PGPCompressedData)

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Examples of org.bouncycastle.openpgp.PGPOnePassSignature


        pgpFact = new PGPObjectFactory(c1.getDataStream(), new BcKeyFingerprintCalculator());
        
        PGPOnePassSignatureList    p1 = (PGPOnePassSignatureList)pgpFact.nextObject();
        
        PGPOnePassSignature        ops = p1.get(0);
        
        PGPLiteralData             p2 = (PGPLiteralData)pgpFact.nextObject();


        InputStream                dIn = p2.getInputStream();
        int                        ch;


        ops.init(new BcPGPContentVerifierBuilderProvider(), pgpPub.getPublicKey(ops.getKeyID()));
        
        while ((ch = dIn.read()) >= 0)
        {
            ops.update((byte)ch);
        }


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


        if (!ops.verify(p3.get(0)))
        {
            fail("Failed signature check");
        }
        
        //
        // encrypted message - read subkey
        //
        pgpPriv = new PGPSecretKeyRing(subKey, new BcKeyFingerprintCalculator());


        //
        // 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(enc1, new BcKeyFingerprintCalculator());


        PGPEncryptedDataList            encList = (PGPEncryptedDataList)pgpF.nextObject();
    
        PGPPublicKeyEncryptedData    encP = (PGPPublicKeyEncryptedData)encList.get(0);
        
        pgpPrivKey = pgpPriv.getSecretKey(encP.getKeyID()).extractPrivateKey(new BcPBESecretKeyDecryptorBuilder(new BcPGPDigestCalculatorProvider()).build(pass));


        InputStream clear = encP.getDataStream(new BcPublicKeyDataDecryptorFactory(pgpPrivKey));
                 
        pgpFact = new PGPObjectFactory(clear, new BcKeyFingerprintCalculator());


        c1 = (PGPCompressedData)pgpFact.nextObject();


        pgpFact = new PGPObjectFactory(c1.getDataStream(), new BcKeyFingerprintCalculator());
        
        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");
        }


        //
        // encrypt - short message
        //
        byte[]    shortText = { (byte)'h', (byte)'e', (byte)'l', (byte)'l', (byte)'o' };
    
        ByteArrayOutputStream        cbOut = new ByteArrayOutputStream();
        PGPEncryptedDataGenerator    cPk = new PGPEncryptedDataGenerator(new BcPGPDataEncryptorBuilder(SymmetricKeyAlgorithmTags.CAST5).setSecureRandom(new SecureRandom()));
        PGPPublicKey                 puK = pgpPriv.getSecretKey(encP.getKeyID()).getPublicKey();
        
        cPk.addMethod(new BcPublicKeyKeyEncryptionMethodGenerator(puK));
        
        OutputStream    cOut = cPk.open(new UncloseableOutputStream(cbOut), shortText.length);


        cOut.write(shortText);


        cOut.close();


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


        encList = (PGPEncryptedDataList)pgpF.nextObject();
    
        encP = (PGPPublicKeyEncryptedData)encList.get(0);
        
        pgpPrivKey = pgpPriv.getSecretKey(encP.getKeyID()).extractPrivateKey(new BcPBESecretKeyDecryptorBuilder(new BcPGPDigestCalculatorProvider()).build(pass));


        PublicKeyDataDecryptorFactory dataDecryptorFactory = new BcPublicKeyDataDecryptorFactory(pgpPrivKey);


        if (encP.getSymmetricAlgorithm(dataDecryptorFactory) != SymmetricKeyAlgorithmTags.CAST5)
        {
            fail("symmetric algorithm mismatch");
        }


        clear = encP.getDataStream(dataDecryptorFactory);
        
        bOut.reset();
        
        while ((ch = clear.read()) >= 0)
        {
            bOut.write(ch);
        }


        out = bOut.toByteArray();


        if (!areEqual(out, shortText))
        {
            fail("wrong plain text in generated short text packet");
        }
        
        //
        // encrypt
        //
        cbOut = new ByteArrayOutputStream();
        cPk = new PGPEncryptedDataGenerator(new BcPGPDataEncryptorBuilder(SymmetricKeyAlgorithmTags.CAST5).setSecureRandom(new SecureRandom()));
        puK = pgpPriv.getSecretKey(encP.getKeyID()).getPublicKey();
        
        cPk.addMethod(new BcPublicKeyKeyEncryptionMethodGenerator(puK));


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


        cOut.write(text);


        cOut.close();


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


        encList = (PGPEncryptedDataList)pgpF.nextObject();
    
        encP = (PGPPublicKeyEncryptedData)encList.get(0);
        
        pgpPrivKey = pgpPriv.getSecretKey(encP.getKeyID()).extractPrivateKey(new BcPBESecretKeyDecryptorBuilder(new BcPGPDigestCalculatorProvider()).build(pass));


        clear = encP.getDataStream(new BcPublicKeyDataDecryptorFactory(pgpPrivKey));
        
        bOut.reset();
        
        while ((ch = clear.read()) >= 0)
        {
            bOut.write(ch);
        }


        out = bOut.toByteArray();


        if (!areEqual(out, text))
        {
            fail("wrong plain text in generated packet");
        }
        
        //
        // read public key with sub key.
        //
        pgpF = new PGPObjectFactory(subPubKey, new BcKeyFingerprintCalculator());
        Object    o;
        
        while ((o = pgpFact.nextObject()) != null)
        {
            // System.out.println(o);
        }


        //
        // key pair generation - CAST5 encryption
        //
        char[]                    passPhrase = "hello".toCharArray();
        
        KeyPairGenerator    kpg = KeyPairGenerator.getInstance("RSA", "BC");
    
        kpg.initialize(1024);
    
        KeyPair                    kp = kpg.generateKeyPair();


        PGPSecretKey    secretKey = new PGPSecretKey(PGPSignature.DEFAULT_CERTIFICATION, PublicKeyAlgorithmTags.RSA_GENERAL, kp.getPublic(), kp.getPrivate(), new Date(), "fred", null, null, new JcaPGPContentSignerBuilder(PublicKeyAlgorithmTags.RSA_GENERAL, HashAlgorithmTags.SHA1).setProvider("BC"), new BcPBESecretKeyEncryptorBuilder(SymmetricKeyAlgorithmTags.CAST5).build(passPhrase));
    
        PGPPublicKey    key = secretKey.getPublicKey();


        it = key.getUserIDs();


        uid = (String)it.next();


        it = key.getSignaturesForID(uid);


        sig = (PGPSignature)it.next();


        sig.init(new BcPGPContentVerifierBuilderProvider(), key);


        if (!sig.verifyCertification(uid, key))
        {
            fail("failed to verify certification");
        }


        pgpPrivKey = secretKey.extractPrivateKey(new BcPBESecretKeyDecryptorBuilder(new BcPGPDigestCalculatorProvider()).build(passPhrase));
        
        key = PGPPublicKey.removeCertification(key, uid, sig);
        
        if (key == null)
        {
            fail("failed certification removal");
        }
        
        byte[]    keyEnc = key.getEncoded();
        
        key = PGPPublicKey.addCertification(key, uid, sig);
        
        keyEnc = key.getEncoded();


        PGPSignatureGenerator sGen = new PGPSignatureGenerator(new BcPGPContentSignerBuilder(PublicKeyAlgorithmTags.RSA_GENERAL, HashAlgorithmTags.SHA1));
        
        sGen.init(PGPSignature.KEY_REVOCATION, secretKey.extractPrivateKey(new BcPBESecretKeyDecryptorBuilder(new BcPGPDigestCalculatorProvider()).build(passPhrase)));


        sig = sGen.generateCertification(key);


        key = PGPPublicKey.addCertification(key, sig);


        keyEnc = key.getEncoded();


        PGPPublicKeyRing    tmpRing = new PGPPublicKeyRing(keyEnc, new BcKeyFingerprintCalculator());


        key = tmpRing.getPublicKey();


        Iterator            sgIt = key.getSignaturesOfType(PGPSignature.KEY_REVOCATION);


        sig = (PGPSignature)sgIt.next();


        sig.init(new BcPGPContentVerifierBuilderProvider(), key);


        if (!sig.verifyCertification(key))
        {
            fail("failed to verify revocation certification");
        }


        //
        // use of PGPKeyPair
        //
        PGPKeyPair    pgpKp = new PGPKeyPair(PGPPublicKey.RSA_GENERAL , kp.getPublic(), kp.getPrivate(), new Date());
        
        PGPPublicKey k1 = pgpKp.getPublicKey();
        
        PGPPrivateKey k2 = pgpKp.getPrivateKey();
        
        k1.getEncoded();


        mixedTest(k2, k1);


        //
        // key pair generation - AES_256 encryption.
        //
        kp = kpg.generateKeyPair();


        secretKey = new PGPSecretKey(PGPSignature.DEFAULT_CERTIFICATION, PublicKeyAlgorithmTags.RSA_GENERAL, kp.getPublic(), kp.getPrivate(), new Date(), "fred", null, null, new JcaPGPContentSignerBuilder(PublicKeyAlgorithmTags.RSA_GENERAL, HashAlgorithmTags.SHA1).setProvider("BC"), new BcPBESecretKeyEncryptorBuilder(SymmetricKeyAlgorithmTags.AES_256).build(passPhrase));
    
        secretKey.extractPrivateKey(new BcPBESecretKeyDecryptorBuilder(new BcPGPDigestCalculatorProvider()).build(passPhrase));
        
        secretKey.encode(new ByteArrayOutputStream());
        
        //
        // secret key password changing.
        //
        String  newPass = "newPass";
        
        secretKey = PGPSecretKey.copyWithNewPassword(secretKey, new BcPBESecretKeyDecryptorBuilder(new BcPGPDigestCalculatorProvider()).build(passPhrase), new BcPBESecretKeyEncryptorBuilder(secretKey.getKeyEncryptionAlgorithm()).build(newPass.toCharArray()));
        
        secretKey.extractPrivateKey(new BcPBESecretKeyDecryptorBuilder(new BcPGPDigestCalculatorProvider()).build(newPass.toCharArray()));
        
        secretKey.encode(new ByteArrayOutputStream());
        
        key = secretKey.getPublicKey();


        key.encode(new ByteArrayOutputStream());
        
        it = key.getUserIDs();


        uid = (String)it.next();


        it = key.getSignaturesForID(uid);


        sig = (PGPSignature)it.next();


        sig.init(new BcPGPContentVerifierBuilderProvider(), key);


        if (!sig.verifyCertification(uid, key))
        {
            fail("failed to verify certification");
        }


        pgpPrivKey = secretKey.extractPrivateKey(new BcPBESecretKeyDecryptorBuilder(new BcPGPDigestCalculatorProvider()).build(newPass.toCharArray()));
        
        //
        // signature generation
        //
        String                                data = "hello world!";
        
        bOut = new ByteArrayOutputStream();
        
        ByteArrayInputStream        testIn = new ByteArrayInputStream(data.getBytes());
        
        sGen = new PGPSignatureGenerator(new BcPGPContentSignerBuilder(PublicKeyAlgorithmTags.RSA_GENERAL, HashAlgorithmTags.SHA1));
    
        sGen.init(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);


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


        lOut.close();


        sGen.generate().encode(bcOut);


        bcOut.close();


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


        c1 = (PGPCompressedData)pgpFact.nextObject();


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


        dIn = p2.getInputStream();


        ops.init(new BcPGPContentVerifierBuilderProvider(), secretKey.getPublicKey());
        
        while ((ch = dIn.read()) >= 0)
        {
            ops.update((byte)ch);
        }


        p3 = (PGPSignatureList)pgpFact.nextObject();


        if (!ops.verify(p3.get(0)))
        {
            fail("Failed generated signature check");
        }
        
        //
        // signature generation - version 3
        //
        bOut = new ByteArrayOutputStream();
        
        testIn = new ByteArrayInputStream(data.getBytes());
        PGPV3SignatureGenerator    sGenV3 = new PGPV3SignatureGenerator(new BcPGPContentSignerBuilder(PGPPublicKey.RSA_GENERAL, PGPUtil.SHA1));
    
        sGen.init(PGPSignature.BINARY_DOCUMENT, pgpPrivKey);


        cGen = new PGPCompressedDataGenerator(
                                                                PGPCompressedData.ZIP);


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


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


        lGen = new PGPLiteralDataGenerator();
        lOut = lGen.open(
            new UncloseableOutputStream(bcOut),
            PGPLiteralData.BINARY,
            "_CONSOLE",
            data.getBytes().length,
            testDate);


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


        lOut.close();


        sGen.generate().encode(bcOut);


        bcOut.close();


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


        c1 = (PGPCompressedData)pgpFact.nextObject();


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


        dIn = p2.getInputStream();


        ops.init(new BcPGPContentVerifierBuilderProvider(), secretKey.getPublicKey());
        
        while ((ch = dIn.read()) >= 0)
        {
            ops.update((byte)ch);
        }


        p3 = (PGPSignatureList)pgpFact.nextObject();


        if (!ops.verify(p3.get(0)))
        {
            fail("Failed v3 generated signature check");
        }
        
        //

View Full Code Here

Examples of org.bouncycastle.openpgp.PGPOnePassSignature


        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.init(new BcPGPContentVerifierBuilderProvider(), pgpPubKey);
        
        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");
        }
    }

View Full Code Here

Examples of org.bouncycastle.openpgp.PGPOnePassSignature


        pgpFact = new PGPObjectFactory(c1.getDataStream());
        
        PGPOnePassSignatureList p1 = (PGPOnePassSignatureList)pgpFact.nextObject();
        
        PGPOnePassSignature     ops = p1.get(0);
        
        PGPLiteralData          p2 = (PGPLiteralData)pgpFact.nextObject();


        InputStream             dIn = p2.getInputStream();
        int                     ch;


        ops.init(new BcPGPContentVerifierBuilderProvider(), pubKey);
        
        while ((ch = dIn.read()) >= 0)
        {
            ops.update((byte)ch);
        }


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


        if (!ops.verify(p3.get(0)))
        {
            fail("Failed signature check");
        }
        
        //
        // signature generation
        //
        generateTest(sKey, pubKey, pgpPrivKey);
        
        //
        // signature generation - canonical text
        //
        String                      data = "hello world!";
        ByteArrayOutputStream       bOut = new ByteArrayOutputStream();
        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());


        c1 = (PGPCompressedData)pgpFact.nextObject();


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


        dIn = p2.getInputStream();


        ops.init(new BcPGPContentVerifierBuilderProvider(), pubKey);
    
        while ((ch = dIn.read()) >= 0)
        {
            ops.update((byte)ch);
        }


        p3 = (PGPSignatureList)pgpFact.nextObject();


        if (!ops.verify(p3.get(0)))
        {
            fail("Failed generated signature check");
        }
        
        //

View Full Code Here

Examples of org.bouncycastle.openpgp.PGPOnePassSignature


        sGen.generate().encode(bcOut);


        PGPObjectFactory        pgpFact = new PGPObjectFactory(bOut.toByteArray());
        PGPOnePassSignatureList p1 = (PGPOnePassSignatureList)pgpFact.nextObject();
        PGPOnePassSignature     ops = p1.get(0);


        assertEquals(digest, ops.getHashAlgorithm());
        assertEquals(PublicKeyAlgorithmTags.DSA, ops.getKeyAlgorithm());


        PGPLiteralData          p2 = (PGPLiteralData)pgpFact.nextObject();
        if (!p2.getModificationTime().equals(testDate))
        {
            fail("Modification time not preserved");
        }


        InputStream             dIn = p2.getInputStream();


        ops.initVerify(pubRing.getPublicKey(), "BC");


        while ((ch = dIn.read()) >= 0)
        {
            ops.update((byte)ch);
        }


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


        assertEquals(digest, sig.getHashAlgorithm());
        assertEquals(PublicKeyAlgorithmTags.DSA, sig.getKeyAlgorithm());


        assertTrue(ops.verify(sig));
    }

View Full Code Here

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