public static byte[] pbkdf128(String... args) {
    StringBuilder sb = new StringBuilder();
    for (String s : args) {
      sb.append(s);
    }
    return generateSecretKey("PBKDF2WithHmacSHA1", AES.KEY_LENGTH, sb.toString().toCharArray());
  }
Return a 128 bit key derived from the concatenation of the supplied arguments using
PBKDF2WithHmacSHA1 at 10,000 iterations.
hbase-common/src/main/java/org/apache/hadoop/hbase/io/crypto/Encryption.java