Java Properties Load from File loadCryptoProperties()

Description

load Crypto Properties

License

Creative Commons License

Declaration

private static void loadCryptoProperties() throws IOException 

Method Source Code

//package com.java2s;
//License from project: Creative Commons License 

import java.io.*;

import java.util.*;

public class Main {
    private static final String CRYPTO_PROPERTIES = "crypto.properties";
    private static final String CRYPTO_KEY_ALGORITHM = "crypto.key_algorithm";
    private static final String CRYPTO_RNG_ALGORITHM = "crypto.rng_algorithm";
    private static final String CRYPTO_ITERATIONS = "crypto.iterations";
    private static final String CRYPTO_SALT_LENGTH = "crypto.salt_length";
    private static final String CRYPTO_KEY_LENGTH = "crypto.key_length";
    private static String keyAlgorithm = "PBKDF2WithHmacSHA1";
    private static String rngAlgorithm = "SHA1PRNG";
    private static int iterations = 10 * 1024;
    private static int saltLength = 32;
    private static int keyLength = 256;

    private static void loadCryptoProperties() throws IOException {
        ClassLoader cl = Thread.currentThread().getContextClassLoader();
        Properties properties = new Properties();
        InputStream is = cl.getResourceAsStream(CRYPTO_PROPERTIES);
        properties.load(is);/*from w  w w  . j a v a2  s.  co m*/

        keyAlgorithm = properties.getProperty(CRYPTO_KEY_ALGORITHM);
        rngAlgorithm = properties.getProperty(CRYPTO_RNG_ALGORITHM);

        String v = properties.getProperty(CRYPTO_ITERATIONS);
        iterations = Integer.parseInt(v);

        v = properties.getProperty(CRYPTO_SALT_LENGTH);
        saltLength = Integer.parseInt(v);

        v = properties.getProperty(CRYPTO_KEY_LENGTH);
        keyLength = Integer.parseInt(v);
    }
}

Related

1. loadConfigProperties()
2. loadConfiguration()
3. loadConfiguration(String file)
4. loadConfiguration(String filePath)
5. loadCredentials(File credentials, String credentialsAppend)
6. loadDBProperties(String dbConn)
7. loadDefault(String _file_path)
8. loadDefaultConfiguration()
9. loadDefaultProps(Properties deployProps)