Example usage for org.bouncycastle.util.encoders Base64 encode

Introduction

In this page you can find the example usage for org.bouncycastle.util.encoders Base64 encode.

Prototype

public static byte[] encode(byte[] data) 

Source Link

Document

encode the input data producing a base 64 encoded byte array.

Usage

From source file:com.logicoy.pdmp.pmpi.crypto.EncryptionClient.java

License:Apache License

public String getAES256Cipher(String inputText, String password, boolean decrypt) {
    KeyIVGenerator derivedFromPassword = new KeyIVGenerator(password);
    // Set up key and IV these are derived from the password, using MD5 very simple. See class details.

    try {/*from   w w w  .  j  a  v  a 2 s  . c  o  m*/
        byte[] buffer;
        //Sting to encrypt
        if (!decrypt) {
            buffer = inputText.getBytes(Charset.forName("UTF-8"));
        } else {
            buffer = Base64.decode(inputText);
        }

        // Aes Encryption
        BlockCipher blockCipher = new AESEngine();

        // Mode CBC
        blockCipher = new CBCBlockCipher(blockCipher);

        BlockCipherPadding padding = new PKCS7Padding();

        // Get our Cipher.
        PaddedBufferedBlockCipher cipher = new PaddedBufferedBlockCipher(blockCipher, padding);

        // Initialize the cipher.
        cipher.init(!decrypt, new ParametersWithIV(new KeyParameter(derivedFromPassword.getKey()),
                derivedFromPassword.getIV()));
        //byte[] bytes_output = cipher.doFinal(buffer,0);
        byte bytes_output[] = new byte[cipher.getOutputSize(buffer.length)];
        int len = cipher.processBytes(buffer, 0, buffer.length, bytes_output, 0);
        int noOfBytesCopied = cipher.doFinal(bytes_output, len);

        if (!decrypt) {
            //Return base 64 encrypted text.
            return new String(Base64.encode(bytes_output), Charset.forName("UTF-8"));
            //return Convert.ToBase64String(bytes_output, Base64FormattingOptions.InsertLineBreaks);
        } else {
            //Return plain text.
            return new String(bytes_output, Charset.forName("UTF-8"));
        }

    } catch (Exception e) {
        logger.severe(" Failure attempting to AES256 encrypt/decrypt the xml " + e.toString());
        e.printStackTrace();
        throw new RuntimeException(" Failure attempting AES256 " + (decrypt ? "decryption" : "encryption")
                + " :" + e.getMessage());
    } finally {
        derivedFromPassword.Clean();
    }

}

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From source file:com.logicoy.pdmp.pmpi.crypto.EncryptionClient.java

License:Apache License

public String rsaEncryptPassword(String publicKeyInPEM, String password) {
    String encrypted = "";
    try {//from  w w  w.  jav  a2 s.c  o  m
        RSAKeyParameters rsaPublicKey;
        Reader reader = new StringReader(publicKeyInPEM);
        PemObject pemObj = new PemReader(reader).readPemObject();

        rsaPublicKey = (RSAKeyParameters) PublicKeyFactory.createKey(pemObj.getContent());

        byte[] bytesToEncrypt = password.getBytes(Charset.forName("UTF-8"));

        PKCS1Encoding encryptEngine = new PKCS1Encoding(new RSAEngine());
        encryptEngine.init(true, rsaPublicKey);
        encrypted = new String(
                Base64.encode(encryptEngine.processBlock(bytesToEncrypt, 0, bytesToEncrypt.length)),
                Charset.forName("UTF-8"));

    } catch (Exception ex) {
        logger.severe(" Failure attempting to encrypt via RSA.  \r\n PublicKeyInPEM:" + publicKeyInPEM
                + "\r\n Exception : " + ex.toString());
        throw new RuntimeException(
                " Failure attempting to encrypt the RSA encrypted password. See Interface log for more details. Message : "
                        + ex.getMessage());
    }
    return encrypted;

}

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From source file:com.mansoor.uncommon.configuration.Convertors.encryption.SymmetricKeyConverter.java

License:Apache License

/**
 * Encrypts the input value using Symmetric Key.
 *
 * @param input input to be encrypted/* ww w.j ava  2  s.c om*/
 * @return encrypted String
 */
public String toString(final SymmetricKeyWrapper input) {
    String enc = null;
    try {
        final IvParameterSpec ips = new IvParameterSpec(new byte[16]);
        cipher.init(Cipher.ENCRYPT_MODE, keySpec, ips);
        final byte[] bytes = input.getPlainText().getBytes();
        final byte[] cipherText = cipher.doFinal(bytes);
        enc = new String(Base64.encode(cipherText));
    } catch (Exception e) {
        Throwables.propertyConversionException("encryption failed", e);
    }
    return enc;
}

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From source file:com.mansoor.uncommon.configuration.Convertors.encryption.X509CertConverter.java

License:Apache License

/**
 * Encrypts the value using public key/*from   w  ww  .j  a v  a  2s  . c  o  m*/
 *
 * @param input value to be encrypted
 * @return encrypted String
 */
public String toString(final X509Wrapper input) {
    final String enc;
    try {
        cipher.init(Cipher.ENCRYPT_MODE, publicKey);
        final byte[] cipherText = cipher.doFinal(input.getPlainText().getBytes());
        enc = new String(Base64.encode(cipherText));
    } catch (Exception e) {
        throw new IllegalStateException("Encryption failed", e);
    }
    return enc;
}

---

From source file:com.miguelpazo.signature.test.SignDataTest.java

public String signDataWithPfx(String data, File certPfx, String pass, File dataSignedFile) throws Exception {
    KeyStore ks = KeyStore.getInstance("pkcs12");
    ks.load(new FileInputStream(certPfx), pass.toCharArray());
    String alias = (String) ks.aliases().nextElement();

    PrivateKey key = (PrivateKey) ks.getKey(alias, pass.toCharArray());
    Certificate[] chain = ks.getCertificateChain(alias);

    Signature signature = Signature.getInstance("SHA1WithRSA", "BC");
    signature.initSign(key);//from  ww w  .j a  v a 2  s  .co  m
    //        signature.update(Base64.encode(data.getBytes()));
    signature.update(data.getBytes());

    //Build CMS
    X509Certificate cert = (X509Certificate) ks.getCertificate(alias);
    List certList = new ArrayList();
    CMSTypedData msg = new CMSProcessableByteArray(signature.sign());
    certList.add(cert);

    Store certs = new JcaCertStore(certList);
    CMSSignedDataGenerator gen = new CMSSignedDataGenerator();
    ContentSigner sha1Signer = new JcaContentSignerBuilder("SHA1WithRSA").setProvider("BC").build(key);
    gen.addSignerInfoGenerator(new JcaSignerInfoGeneratorBuilder(
            new JcaDigestCalculatorProviderBuilder().setProvider("BC").build()).build(sha1Signer, cert));
    gen.addCertificates(certs);

    CMSSignedData sigData = gen.generate(msg, false);
    byte[] dataSigned = Base64.encode(sigData.getEncoded());
    String envelopedData = new String(dataSigned);

    certUtil.exportToFile(envelopedData, dataSignedFile);

    byte[] b = (byte[]) sigData.getSignedContent().getContent();
    String dataEncrypt = new String(Base64.encode(b));

    System.out.println("content => " + dataEncrypt);

    PublicKey pubKey = cert.getPublicKey();
    String dataFinal = certUtil.decryptData(pubKey, dataEncrypt);

    System.out.println(dataEncrypt);
    //        System.out.println(dataFinal);

    return envelopedData;
}

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From source file:com.myapp.Test.java

License:Open Source License

/**
 * @param args/*  w w w  . j a v  a2s.  co m*/
 */
public static void main(String[] args) throws Throwable {
    InetAddress netaddr = InetAddress.getLocalHost();
    NetworkInterface intf = NetworkInterface.getByInetAddress(netaddr);
    byte[] address = intf.getHardwareAddress();
    if (intf.isVirtual()) {
        byte[] paddress = intf.getParent().getHardwareAddress();
        if (paddress != null) {
            address = paddress;
            intf = intf.getParent();
        }
    }
    if (address == null) {
        System.out.println("Unable to generate License Request..");
        return;
    }
    if (address.length == 0) {
        System.out.println("Unable to generate License Request..");
        return;
    }
    String str = new String(Base64.encode(address), "UTF-8");

    System.out.println("Machine Address \"" + str + "\". If this is shown as \"\" then we have a problem.");
}

---

From source file:com.orange.atk.sign.apk.SignedJarBuilder.java

License:Apache License

/** Writes a .SF file with a digest to the manifest. */
private void writeSignatureFile(OutputStream out) throws IOException, GeneralSecurityException {
    Manifest sf = new Manifest();
    Attributes main = sf.getMainAttributes();
    main.putValue("Signature-Version", "1.0");
    main.putValue("Created-By", "1.0 (Android)");

    Base64 base64 = new Base64();
    MessageDigest md = MessageDigest.getInstance(DIGEST_ALGORITHM);
    PrintStream print = new PrintStream(new DigestOutputStream(new ByteArrayOutputStream(), md), true, "UTF-8");

    // Digest of the entire manifest
    mManifest.write(print);/*from   w w w.  j a v a  2  s  .  co  m*/
    print.flush();
    main.putValue(DIGEST_MANIFEST_ATTR, new String(base64.encode(md.digest()), "ASCII"));

    Map<String, Attributes> entries = mManifest.getEntries();
    for (Map.Entry<String, Attributes> entry : entries.entrySet()) {
        // Digest of the manifest stanza for this entry.
        print.print("Name: " + entry.getKey() + "\r\n");
        for (Map.Entry<Object, Object> att : entry.getValue().entrySet()) {
            print.print(att.getKey() + ": " + att.getValue() + "\r\n");
        }
        print.print("\r\n");
        print.flush();

        Attributes sfAttr = new Attributes();
        sfAttr.putValue(DIGEST_ATTR, new String(base64.encode(md.digest()), "ASCII"));
        sf.getEntries().put(entry.getKey(), sfAttr);
    }
    CountOutputStream cout = new CountOutputStream(out);
    sf.write(cout);

    // A bug in the java.util.jar implementation of Android platforms
    // up to version 1.6 will cause a spurious IOException to be thrown
    // if the length of the signature file is a multiple of 1024 bytes.
    // As a workaround, add an extra CRLF in this case.
    if ((cout.size() % 1024) == 0) {
        cout.write('\r');
        cout.write('\n');
    }
}

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From source file:com.password.locker.crypto.SecureCryptoImpl.java

License:Open Source License

@Override
public byte[] encrypt(final byte[] plain) {
    synchronized (encryption) {
        try {/*  www. j av a  2 s . c o  m*/
            byte[] data = Base64.encode(plain);
            return encryption.doFinal(data);
        } catch (IllegalBlockSizeException e) {
            ExceptionUtils.fatalError(SecureCryptoImpl.class, e);
        } catch (BadPaddingException e) {
            ExceptionUtils.fatalError(SecureCryptoImpl.class, e);
        }
        return plain;
    }
}

---

From source file:com.password.locker.crypto.SecureCryptoImpl.java

License:Open Source License

@Override
public String encrypt(final String plain) {
    try {/* w  ww .ja  v  a 2s.  c  o m*/
        byte[] ciphertext = encrypt(plain.getBytes(Constants.ENCODING));
        return new String(Base64.encode(ciphertext), Constants.ENCODING);
    } catch (UnsupportedEncodingException e) {
        ExceptionUtils.fatalError(SecureCryptoImpl.class, e);
    }
    return plain;
}

---

From source file:com.rapidminer.cryptography.file.AbstractPBFileCryptographyOperator.java

License:Open Source License

@Override
public void doWork() throws OperatorException {

    // first check if output file exists and if overriding is allowed
    if (isParameterSet(PARAMETER_FILE_OUTPUT) && getParameterAsFile(PARAMETER_FILE_OUTPUT).exists()
            && !getParameterAsBoolean(PARAMETER_OVERRIDE)) {
        throw new UserError(this, "file.output_file_already_exists");
    }/*w  w w .j  a va 2s.  co  m*/

    // read input file
    byte[] fileContent = readInputFile();

    // in case of decryption and base64 encoding, decode first
    if (!isEncrypting() && getParameterAsBoolean(PARAMETER_BASE64)) {
        try {
            fileContent = Base64.decode(fileContent);
        } catch (DecoderException e) {
            throw new UserError(this, e, "file.base64_decoding_failed");
        }
    }

    // transform file
    fileContent = transformFile(configureEncryptor(), fileContent);

    // in case of encryption and base64 encoding, decode encrypted output
    if (isEncrypting() && getParameterAsBoolean(PARAMETER_BASE64)) {
        try {
            fileContent = Base64.encode(fileContent);
        } catch (DecoderException e) {
            throw new UserError(this, e, "file.base64_encoding_failed");
        }
    }

    // write encrypted file to output
    try (OutputStream fileOutput = fileOutputHandler.openSelectedFile()) {
        ByteArrayInputStream byteInput = new ByteArrayInputStream(fileContent);
        Tools.copyStreamSynchronously(byteInput, fileOutput, true);
    } catch (IOException e) {
        throw new UserError(this, e, 303, getParameterAsFile(PARAMETER_FILE_OUTPUT), e.getMessage());
    }
}

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