せぬたなつふち　　こへ　　ちつひねたことほASSOC. PROFESSOR EDO FORSYTHE

DEPT. OF ENGLISH LANGUAGE AND LITERATURE

せぬたなつふち　　こへ　　ちつひねたことほこ　＝　 A

あ い う え お か き く け こ さ し す せ そ た ち つ て と な に ぬ ね の A B C D E F G H I J K L M N O P は ひ ふ へ ほ ま み む め も や ゆ よ ら り る れ ろ わ を ん Q R S T U V W X Y Z

E n g l i s h a t H I R O G A K U

暗号の作り方HOW TO MAKE SECRET

CODESASSOC. PROFESSOR EDO FORSYTHE

DEPT. OF ENGLISH LANGUAGE AND LITERATURE

WHO AM I?Navy Russian Translator

Russian instructor at the U.S. National Security Agency

CODES ARE EVERYWHERE

WHY DO YOU NEED SECRET CODES?

CODES ARE OLDJulius Caesar (100BC-44BC) used codes with his army

Substitution codes used for centuries

Updated to numeric codes and ciphers

Al-Khalil (c. 725-790 AD) – first codebreaker

FEVYGMCS IZGBEUF EU HSZ

A = M

HIROGAKU ENGLISH IS FUN!

CODES AND CIPHERS PRACTICE

CODE BOOKS & ONE-TIME PADS

あ い う え お か き く け こ さ し す せ そ た ち つ て と な に ぬ ね の A B C D E F G H I J K L M N O P は ひ ふ へ ほ ま み む め も や ゆ よ ら り る れ ろ わ を ん Q R S T U V W X Y Z

YOUR OWN SECRET CODES

あ　い　う　え　お　か　き　く　け　こ　さ　し　す　せ　そ　た　ち　つ　て　と　な　に　ぬ　ね　の　　 ん　を　わ　ろ　れ　る　り　ら　よ　ゆ　や　も　め　む　み　ま　ほ　へ　ふ　ひ　は　の　ね　ぬ　に は　ひ　ふ　へ　ほ　ま　み　む　め　も　や　ゆ　よ　ら　り　る　れ　ろ　わ　を　ん な　と　て　つ　ち　た　そ　せ　す　し　さ　こ　け　く　き　か　お　え　う　い　あ

ENIGMA AND 九七式欧文印字機 (PURPLE)

97-shiki O-bun In-ji-ki

TURING’S BOMBE

AGE OF COMPUTERIZED CODES

Magnetic Tape Storage CRAY Supercomputer

MODERN CODES BY TEENS

Today’s teens have created a new type of code: Text speak

Made because of the need to type fast

MODERN CODES BY TEENS

Made by removing vowels:Are = R り = 了解

Use letters that sound like words: You = U

Late = L8

TEXT SPEAK REAL WORD

24/7

2day / 2nite

2QT

4eva

<3

@

ASAP

b4

bcuz

BF / GF

TEXT SPEAKTEXT SPEAK REAL WORLD

omg

QT

RUOK

smh

ttyl

tom

U2

wknd

ZZZ

TEXT SPEAK REAL WORLD

brb

dunno

ez

hag1 / hago

howru

idk

JK

K

L8R

msg

TEXT SPEAK REAL WORD

24/7 24 HRS /7 DAYS

2day / 2nite TODAY / TONIGHT

2QT TOO CUTE

4eva FOREVER

<3 HEART

@ AT

ASAPAS SOON AS POSSIBLE

b4 BEFORE

bcuz BECAUSE

BF / GF BOYFRIEND / GIRLFRIEND

TEXT SPEAKTEXT SPEAK REAL WORLD

omg OH MY GOD

QT CUTIE

RUOK ARE YOU OKAY

smh SMACK MY HEAD

ttylTALK TO YOU LATER

tom TOMORROW

U2 YOU TOO

wknd WEEKEND

ZZZ SLEEPY/BORED

TEXT SPEAK REAL WORLD

brb BE RIGHT BACK

dunno I DON’T KNOW

ez EASY

hag1 / hagoHAVE A GOOD ONE

howru HOW ARE YOU?

idk I DON’T KNOW

JK JUST KIDDING

K OKAY

L8R LATER

msg MESSAGE

YOUR OWN SECRET CODES

Now you can keep your thoughts secret by making your own code!

• Practical English for communication• Western culture and history courses• British and American literature• Fun activities: English Camp / Holiday Parties

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