using UnityEngine;
using System.Collections;
using System.Collections.Generic;

List<byte> encodeChars=new List<byte>();

string chars="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";

for(int i=;i<;i++){

    char[] sub=chars.ToCharArray(i,);

    byte[] bytes=System.Text.Encoding.Unicode.GetBytes(sub);

    encodeChars.Add(bytes[]);

    Debug.Log(encodeChars[i]);

}