The BSidesDC 2017 Kids crypto challenge puzzle

1. BsidesDC
2017 Kids crypto challenge

2. • I discovered an error in the final puzzle during the con and can’t
remember if I fixed it here.
• Please hit me up on twitter @andrewshumate if you have any
comments or find any errors

3. Clue: Let’s see if you can ace this first puzzle,
it will be key to solving the next one.

4. Clue: Ninja’s didn’t play fair, and neither do we,
you’ll only need 5 letters from the last puzzle to
solve this one. We’re sure you’ll figure it out in the
end
Yi tt er hz fo gn di kr lp rn cr ze kr rb hk yr ft
qu mu mi rf td iq kb lo rd ku um uk rd cK

5. Clue: The ninja faded into obscurity in the
17th century 18 centuries after this emperor
was born. Use that to find the name for this
piece of ninja equipment.
xqoub

6. Clue: Maybe if you’re diplomatic
Chnw wy tuh bgmr rt zhr vstsrl cl tuhgk
fnpcas tuskn gy bonwdg

7. Clue: We’ve seen this cipher before, but I
think the Ninja’s stole the key, so I changed
the way they key is used, you’ll have to use it
twice.
tjti rt dve pyvdb fdeos vk cug nneof
qbdt ekbl pfjr rsb tgdmhrl

8. This URL and an ASCII table will be helpful in solving the next puzzle
https://en.wikipedia.org/wiki/Japanese_cryptology_from_the_1500s_t
o_Meiji

10. えけえふうきあきのけやうさくあ
きふな

11. Solution

13. Ninjas would carry these to deliver glancing
blows to their opponents making them
believe they were being attacked by invisible
swordsmen
Answer: shuriken

14. Well known for being sneaky ninja lived up to
the name which means to sneak
Answer: Shinobi

15. Answer: Gando

16. What is the name of the sensei of these
famous green tv ninjas
Answer: Splinter

17. Key: SPLINTER
Alphabet: SPLINTERABCDFGHJKMOQUVWXYZ
this is the sworn enemy of the ninja
hint they wear eye patches
Answer: Pirate

18. 78 73 78 74 65 83 83 85 67 75 80 73 82 65
84 69 83 82 85 76 69
NINJAS SUCK PIRATES RULE