Used for Misawa HS

1. 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

2. 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

3. 暗号の作り方
HOW TO MAKE SECRET CODES
ASSOC. PROFESSOR EDO FORSYTHE
DEPT. OF ENGLISH LANGUAGE AND LITERATURE

4. WHO AM I?
Navy Russian Translator
Russian instructor at the
U.S. National Security Agency

5. CODES ARE EVERYWHERE

6. WHY DO YOU NEED SECRET CODES?

7. CODES ARE OLD
Julius 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

8. FEVYGMCS IZGBEUF EU HSZ
A = M
HIROGAKU ENGLISH IS FUN!
CODES AND CIPHERS PRACTICE

9. CODE BOOKS & ONE-TIME PADS

10. 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

11. ENIGMA AND 九七式欧文印字機 (PURPLE)
97-shiki O-bun In-ji-ki

12. TURING’S BOMBE

13. AGE OF COMPUTERIZED CODES
Magnetic Tape Storage CRAY Supercomputer

14. MODERN CODES BY TEENS
Today’s teens have
created a new type of
code: Text speak
Made because of the
need to type fast

15. MODERN CODES BY TEENS
Made by removing vowels:
Are = R り = 了解
Use letters that sound like words:
You = U
Late = L8

16. TEXT SPEAK REAL WORD
24/7
2day / 2nite
2QT
4eva
<3
@
ASAP
b4
bcuz
BF / GF
TEXT SPEAK
TEXT 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

17. TEXT SPEAK REAL WORD
24/7 24 HRS /7 DAYS
2day / 2nite TODAY / TONIGHT
2QT TOO CUTE
4eva FOREVER
<3 HEART
@ AT
ASAP
AS SOON AS
POSSIBLE
b4 BEFORE
bcuz BECAUSE
BF / GF
BOYFRIEND /
GIRLFRIEND
TEXT SPEAK
TEXT SPEAK REAL WORLD
omg OH MY GOD
QT
CUTIE
RUOK ARE YOU OKAY
smh SMACK MY HEAD
ttyl
TALK 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 / hago
HAVE A GOOD
ONE
howru HOW ARE YOU?
idk I DON’T KNOW
JK JUST KIDDING
K OKAY
L8R LATER
msg MESSAGE

18. YOUR OWN SECRET CODES
Now you can keep your thoughts secret
by making your own code!

19. • Practical English for communication
• Western culture and history courses
• British and American literature
• Fun activities: English Camp / Holiday Parties
We’ll prepare you for jobs in the 21st century.
Questions: See www.hirogaku-u.ac.jp
LEARN MORE AT
HIROGAKU