Examples with FPEParameterAndFormatSpec com.ingrian.security.nae.FPEParameterAndFormatSpec used on opensource projects

Example 1 with FPEParameterAndFormatSpec

use of com.ingrian.security.nae.FPEParameterAndFormatSpec in project CipherTrust_Application_Protection by thalescpl-io.

the class FF1EncryptionDecryptionSample method main.

public static void main(String[] args) throws Exception {
    if (args.length != 5) {
        System.err.println("Usage: java FF1EncryptionDecryptionSample user password keyname TweakAlgorithm(Optional) TweakData(Optional)");
        System.err.println("Mention null for optional parameter if you don't want to pass it");
        /*
			 * Usage: keyname Supports AES Non-versioned key
			 * Usage: TweakAlgorithm(Optional) must be from SHA1, SHA256 or None
			 * Usage: TweakData(Optional) If, tweak data algorithm is 'None' or absent, 
           	 	    the value must be HEX encoded string. In case of valid tweak Algorithm,
            		the tweak data value can be any ASCII string (not necessarily HEX). 
            		Tweak Data is generated using Tweak Hash Algorithm.
			 */
        System.exit(-1);
    }
    String username = args[0];
    String password = args[1];
    String keyName = args[2];
    String tweakAlgo = null;
    if (!args[3].contains("null")) {
        tweakAlgo = args[3];
    }
    String tweakData = null;
    if (!args[4].contains("null")) {
        tweakData = args[4];
    }
    // add Ingrian provider to the list of JCE providers
    Security.addProvider(new IngrianProvider());
    // get the list of all registered JCE providers
    Provider[] providers = Security.getProviders();
    for (Provider provider : providers) {
        System.out.println(provider.getInfo());
    }
    String dataToEncrypt = "36253865463254715234987125394785127934571235487631254876512837451827635487123564875216384728347";
    System.out.println("Data to encrypt \"" + dataToEncrypt + "\"");
    NAESession session = null;
    try {
        // create NAE Session: pass in Key Manager user name and password
        session = NAESession.getSession(username, password.toCharArray());
        // Get SecretKey (just a handle to it, key data does not leave the Key Manager
        NAEKey key = NAEKey.getSecretKey(keyName, session);
        // For legacy CADP for JAVA clients uncomment following.
        // String algorithm = "FPE/FF1/CARD10";
        // FF1 algorithm which supports both ACVP and NIST test vectors.
        String algorithm = "FPE/FF1v2/CARD10";
        FPEParameterAndFormatSpec param = new FPEParameterAndFormatBuilder(tweakData).set_tweakAlgorithm(tweakAlgo).build();
        // get a cipher
        Cipher encryptCipher = Cipher.getInstance(algorithm, "IngrianProvider");
        // initialize cipher to encrypt.
        encryptCipher.init(Cipher.ENCRYPT_MODE, key, param);
        // encrypt data
        byte[] outbuf = encryptCipher.doFinal(dataToEncrypt.getBytes());
        System.out.println("FF1 sample 1: ");
        System.out.println("encrypted data data  \"" + new String(outbuf) + "\"");
        Cipher decryptCipher = Cipher.getInstance(algorithm, "IngrianProvider");
        // to decrypt data, initialize cipher to decrypt
        decryptCipher.init(Cipher.DECRYPT_MODE, key, param);
        // decrypt data
        byte[] newbuf = decryptCipher.doFinal(outbuf);
        System.out.println("Decrypted data  \"" + new String(newbuf) + "\"");
        // sample 2 custom character set
        // For legacy CADP for JAVA clients uncomment following.
        // String algorithm = "FPE/FF1/UNICODE";
        // FF1 algorithm which supports both ACVP and NIST test vectors.
        algorithm = "FPE/FF1v2/UNICODE";
        // Define custom character set by providing list of code points. list can have single hex code point like "20" or hex code point range like "30-39".
        // space, digits, upper case A-Z
        FPECharset charset = FPECharset.getUnicodeRangeCharset("20", "30-39", "41-5A");
        // Create character set from characters in LATIN_EXTENDED_A Unicode block. Equivalent to FPECharset.getUnicodeRangeCharset("0100-017F"), where 0100-017F is code point range for LATIN_EXTENDED_A
        // FPECharset charset = FPECharset.getUnicodeBlockCharset(UnicodeBlock.LATIN_EXTENDED_A);
        FPEParameterAndFormatSpec tweakCharsetParam = new FPEParameterAndFormatBuilder(tweakData).set_tweakAlgorithm(tweakAlgo).set_charset(charset).build();
        encryptCipher = Cipher.getInstance(algorithm, "IngrianProvider");
        // initialize cipher to encrypt.
        encryptCipher.init(Cipher.ENCRYPT_MODE, key, tweakCharsetParam);
        outbuf = encryptCipher.doFinal(dataToEncrypt.getBytes());
        System.out.println("FF1 sample 2: ");
        System.out.println("encrypted data data  \"" + new String(outbuf) + "\"");
        decryptCipher = Cipher.getInstance(algorithm, "IngrianProvider");
        // to decrypt data, initialize cipher to decrypt
        decryptCipher.init(Cipher.DECRYPT_MODE, key, tweakCharsetParam);
        // decrypt data
        newbuf = decryptCipher.doFinal(outbuf);
        System.out.println("Decrypted data  \"" + new String(newbuf) + "\"");
        // close the session
        session.closeSession();
    } catch (Exception e) {
        System.out.println("The Cause is " + e.getMessage() + ".");
        throw e;
    } finally {
        if (session != null) {
            session.closeSession();
        }
    }
}