Codebreakers Jeopardy

Codes

1

Atbash: KLGZGLVH

Potatoes

2

ROT13: zrgn ebg guvegrra 

meta rot thirteen

3

Caesar: kyv szx srex

the big bang

4

Rail Fence (2 rails): IEPRYCOADE

I CEO PAR DYE

ICE O PAR DYE

CODE JEOPARDY can be derived from ICEOPARDYE if you read it in a unique way

5

Porta Cipher, Key = CAT: EVVBYN

SIMPLE

Trivia

1

Name all the ciphers we've learned so far (at least 4)

Atbash, ROT13, Caesar, Porta (Tap Code is ok)

Rail Fence IS NOT a cipher

2

Based on how the cipher works, the Porta cipher is most closely related to what cipher?

ROT13

3

Which cipher uses transposition?

None, ciphers use substitution

4

The ROT13 is commonly used on what website?

Usenet.com

5

The ROT13 cipher is commonly used online for what purpose?

Spoiler text, answers to jokes/puns, ...

Codes

1

Atbash: PVMMVWB NRWWOV

KENNEDY MIDDLE

2

ROT13: oyhr cncre

blue paper

3

Caesar (decrypt with shift 7): wvw yhw ahw jvkl 

POP, RAP, TAP CODE

4

Rail Fence (3 rails): ZYZAIGZGILRGIG

ziggy zig ziglar

5

Porta Cipher, KEY = BOAT: FREROVY.RB

SKRIBBL.IO

Trivia

1

Who invented the Caesar cipher?

Julius Caesar

2

What shift did Julius Caesar use?

3

3

What language was the Caesar cipher first used?

Latin

4

What did the Atbash cipher first encrypt?

Proper nouns (e.g. Babylon)

5

Where was the Atbash cipher first used?

In the Hebrew Bible

Codes

1

Atbash: NRTSGB XSLMWIRZ

MIGHTY CHONDRIA

2

ROT13: znatb whvpr

mango juice

3

Caesar: M iex glsgspexi.

I eat chocolate.

4

Rail Fence (2 rails): FVPITFRSIEONSOU

5 points for us :)

5

Porta Cipher, KEY = FIVE: NRIE MJO?

last one?