val sb = new StringBuilder(length + 32);

    while (sb.length() < length)

      sb.append(ConversionUtils.toBase64(getPseudoInt64()));

  }

  /**

   * Returns random text characters (uses the 0..9, A..Z and a..z character sets). Randomness sourced from the information entropy of a new

   * UUID.

 

    val sb = new StringBuilder(length + 32);

    while (sb.length() < length)

      sb.append(ConversionUtils.toBase64(getSecureInt64()));

  }

  /**

   * Returns random text characters (uses the 0..9, A..Z and a..z character sets) created by a cryptographically secure source.

   *

 

        if (Character.isLetterOrDigit(ch))

          sb.append(ch);

    }

  }

  private RandomUtils()

  {

  }