Utils.java

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package org.netbeans.modules.keyring.utils;

public class Utils {

    private Utils() {}

    public static byte[] chars2Bytes(char[] chars) {
        byte[] bytes = new byte[chars.length * 2];
        for (int i = 0; i < chars.length; i++) {
            bytes[i * 2] = (byte) ((int)chars[i] / 256);
            bytes[i * 2 + 1] = (byte) (chars[i] % 256);
        }
        return bytes;
    }

    public static char[] bytes2Chars(byte[] bytes) {
        char[] result = new char[bytes.length / 2];
        for (int i = 0; i < result.length; i++) {
            result[i] = (char) (((bytes[i * 2] & 0x00ff) * 256) + (bytes[i * 2 + 1] & 0x00ff));
        }
        return result;
    }
}