Package org.bouncycastle.openpgp

Examples of org.bouncycastle.openpgp.PGPSignatureGenerator

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        OutputStream encOut = encGen.open(outputStream, new byte[BUFFER_SIZE]);

        PGPCompressedDataGenerator comData = new PGPCompressedDataGenerator(CompressionAlgorithmTags.ZIP);
        OutputStream comOut = new BufferedOutputStream(comData.open(encOut));

        PGPSignatureGenerator sigGen = createSignatureGenerator(exchange, comOut);

        PGPLiteralDataGenerator litData = new PGPLiteralDataGenerator();
        String fileName = exchange.getIn().getHeader(Exchange.FILE_NAME, String.class);
        if (ObjectHelper.isEmpty(fileName)) {
            // This marks the file as For Your Eyes Only... may cause problems for the receiver if they use
            // an automated process to decrypt as the filename is appended with _CONSOLE
            fileName = PGPLiteralData.CONSOLE;
        }
        OutputStream litOut = litData.open(comOut, PGPLiteralData.BINARY, fileName, new Date(), new byte[BUFFER_SIZE]);

        try {
            byte[] buffer = new byte[BUFFER_SIZE];
            int bytesRead;
            while ((bytesRead = input.read(buffer)) != -1) {
                litOut.write(buffer, 0, bytesRead);
                if (sigGen != null) {
                    sigGen.update(buffer, 0, bytesRead);
                }
                litOut.flush();
            }
        } finally {
            IOHelper.close(litOut);
            if (sigGen != null) {
                sigGen.generate().encode(comOut);
            }
            IOHelper.close(comOut, encOut, outputStream, input);
        }
    }
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        PGPSignatureSubpacketGenerator spGen = new PGPSignatureSubpacketGenerator();
        spGen.setSignerUserID(false, sigKeyUserid);

        int algorithm = sigSecretKey.getPublicKey().getAlgorithm();
        PGPSignatureGenerator sigGen = new PGPSignatureGenerator(new JcaPGPContentSignerBuilder(algorithm, HashAlgorithmTags.SHA1).setProvider("BC"));
        sigGen.init(PGPSignature.BINARY_DOCUMENT, sigPrivateKey);
        sigGen.setHashedSubpackets(spGen.generate());
        sigGen.generateOnePassVersion(false).encode(out);
        return sigGen;
    }
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            digest = PGPUtil.SHA1;
        }
       
        PGPSecretKey                    pgpSecKey = readSecretKey(keyIn);
        PGPPrivateKey                   pgpPrivKey = pgpSecKey.extractPrivateKey(pass, "BC");       
        PGPSignatureGenerator           sGen = new PGPSignatureGenerator(pgpSecKey.getPublicKey().getAlgorithm(), digest, "BC");
        PGPSignatureSubpacketGenerator  spGen = new PGPSignatureSubpacketGenerator();
       
        sGen.initSign(PGPSignature.CANONICAL_TEXT_DOCUMENT, pgpPrivKey);
       
        Iterator    it = pgpSecKey.getPublicKey().getUserIDs();
        if (it.hasNext())
        {
            spGen.setSignerUserID(false, (String)it.next());
            sGen.setHashedSubpackets(spGen.generate());
        }
       
        FileInputStream        fIn = new FileInputStream(fileName);
        ArmoredOutputStream    aOut = new ArmoredOutputStream(out);
       
        aOut.beginClearText(digest);

        //
        // note the last \n/\r/\r\n in the file is ignored
        //
        ByteArrayOutputStream lineOut = new ByteArrayOutputStream();
        int lookAhead = readInputLine(lineOut, fIn);

        processLine(aOut, sGen, lineOut.toByteArray());

        if (lookAhead != -1)
        {
            do
            {
                lookAhead = readInputLine(lineOut, lookAhead, fIn);

                sGen.update((byte)'\r');
                sGen.update((byte)'\n');

                processLine(aOut, sGen, lineOut.toByteArray());
            }
            while (lookAhead != -1);
        }
       
        aOut.endClearText();
       
        BCPGOutputStream            bOut = new BCPGOutputStream(aOut);
       
        sGen.generate().encode(bOut);

        aOut.close();
    }
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    private void createSignature(OutputStream out) throws Exception {
        PGPSecretKey pgpSec = readSecretKey();
        PGPPrivateKey pgpPrivKey = pgpSec.extractPrivateKey(new JcePBESecretKeyDecryptorBuilder().setProvider(getProvider()).build(
                "sdude".toCharArray()));
        PGPSignatureGenerator sGen = new PGPSignatureGenerator(new JcaPGPContentSignerBuilder(pgpSec.getPublicKey().getAlgorithm(),
                PGPUtil.SHA1).setProvider(getProvider()));

        sGen.init(PGPSignature.BINARY_DOCUMENT, pgpPrivKey);

        BCPGOutputStream bOut = new BCPGOutputStream(out);

        InputStream fIn = new ByteArrayInputStream("Test Signature".getBytes("UTF-8"));

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

        fIn.close();

        sGen.generate().encode(bOut);

    }
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        } finally {
            IOHelper.close(litOut);
            if (sigGens != null && !sigGens.isEmpty()) {
                // reverse order
                for (int i = sigGens.size() - 1; i > -1; i--) {
                    PGPSignatureGenerator sigGen = sigGens.get(i);
                    sigGen.generate().encode(comOut);
                }
            }
            IOHelper.close(comOut, encOut, outputStream, input);
        }
    }
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            PGPSignatureSubpacketGenerator spGen = new PGPSignatureSubpacketGenerator();
            spGen.setSignerUserID(false, sigSecretKeyWithPrivateKeyAndUserId.getUserId());

            int algorithm = sigSecretKeyWithPrivateKeyAndUserId.getSecretKey().getPublicKey().getAlgorithm();
            PGPSignatureGenerator sigGen = new PGPSignatureGenerator(
                    new JcaPGPContentSignerBuilder(algorithm, findHashAlgorithm(exchange)).setProvider(getProvider()));
            sigGen.init(PGPSignature.BINARY_DOCUMENT, sigPrivateKey);
            sigGen.setHashedSubpackets(spGen.generate());
            sigGen.generateOnePassVersion(false).encode(out);
            sigGens.add(sigGen);
        }
        return sigGens;
    }
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        } finally {
            IOHelper.close(litOut);
            if (sigGens != null && !sigGens.isEmpty()) {
                // reverse order
                for (int i = sigGens.size() - 1; i > -1; i--) {
                    PGPSignatureGenerator sigGen = sigGens.get(i);
                    sigGen.generate().encode(comOut);
                }
            }
            IOHelper.close(comOut, encOut, outputStream, input);
        }
    }
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            PGPSignatureSubpacketGenerator spGen = new PGPSignatureSubpacketGenerator();
            spGen.setSignerUserID(false, sigSecretKeyWithPrivateKeyAndUserId.getUserId());

            int algorithm = sigSecretKeyWithPrivateKeyAndUserId.getSecretKey().getPublicKey().getAlgorithm();
            PGPSignatureGenerator sigGen = new PGPSignatureGenerator(
                    new JcaPGPContentSignerBuilder(algorithm, findHashAlgorithm(exchange)).setProvider(getProvider()));
            sigGen.init(PGPSignature.BINARY_DOCUMENT, sigPrivateKey);
            sigGen.setHashedSubpackets(spGen.generate());
            sigGen.generateOnePassVersion(false).encode(out);
            sigGens.add(sigGen);
        }
        return sigGens;
    }
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    private void createSignature(OutputStream out) throws Exception {
        PGPSecretKey pgpSec = readSecretKey();
        PGPPrivateKey pgpPrivKey = pgpSec.extractPrivateKey(new JcePBESecretKeyDecryptorBuilder().setProvider(getProvider()).build(
                "sdude".toCharArray()));
        PGPSignatureGenerator sGen = new PGPSignatureGenerator(new JcaPGPContentSignerBuilder(pgpSec.getPublicKey().getAlgorithm(),
                HashAlgorithmTags.SHA1).setProvider(getProvider()));

        sGen.init(PGPSignature.BINARY_DOCUMENT, pgpPrivKey);

        BCPGOutputStream bOut = new BCPGOutputStream(out);

        InputStream fIn = new ByteArrayInputStream("Test Signature".getBytes("UTF-8"));

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

        fIn.close();

        sGen.generate().encode(bOut);

    }
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        vGen.setImageAttribute(ImageAttribute.JPEG, jpegImage);

        PGPUserAttributeSubpacketVector uVec = vGen.generate();

        PGPSignatureGenerator sGen = new PGPSignatureGenerator(new BcPGPContentSignerBuilder(PublicKeyAlgorithmTags.RSA_GENERAL, HashAlgorithmTags.SHA1));

        sGen.init(PGPSignature.POSITIVE_CERTIFICATION, pgpSec.getSecretKey().extractPrivateKey(new BcPBESecretKeyDecryptorBuilder(new BcPGPDigestCalculatorProvider()).build(pass)));

        PGPSignature sig = sGen.generateCertification(uVec, pubKey);

        PGPPublicKey nKey = PGPPublicKey.addCertification(pubKey, uVec, sig);

        Iterator it = nKey.getUserAttributes();
        int count = 0;
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