Simple method needed to encrypt a single directory

I am looking for something way simpler.

In Windows I used special characters for the directory.

I would think UM would be able to do that.

I found this, but how do I use this table?

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0 · · · · · · · · · · · · · · · ·

1 · · · · · · · · · · · · · · · ·

2 ! " # $ % & ' ( ) * + , - . /

3 0 1 2 3 4 5 6 7 8 9 : ; < = > ?

4 @ A B C D E F G H I J K L M N O

5 P Q R S T U V W X Y Z [ \ ] ^ _

6 ` a b c d e f g h i j k l m n o

7 p q r s t u v w x y z { | } ~ 
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8 Ç ü é â ä à å ç ê ë è ï î ì Ä Å

9 É æ Æ ô ö ò û ù ÿ Ö Ü ¢ £ ¥ ₧ ƒ

a á í ó ú ñ Ñ ª º ¿ ⌐ ¬ ½ ¼ ¡ « »

b ░ ▒ ▓ │ ┤ ╡ ╢ ╖ ╕ ╣ ║ ╗ ╝ ╜ ╛ ┐

c └ ┴ ┬ ├ ─ ┼ ╞ ╟ ╚ ╔ ╩ ╦ ╠ ═ ╬ ╧

d ╨ ╤ ╥ ╙ ╘ ╒ ╓ ╫ ╪ ┘ ┌ █ ▄ ▌ ▐ ▀

e α ß Γ π Σ σ µ τ Φ Θ Ω δ ∞ φ ε ∩

f ≡ ± ≥ ≤ ⌠ ⌡ ÷ ≈ ° ∙ · √ ⁿ ² ■
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