Codebusters B/C

Test your knowledge of various Science Olympiad events.
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bernard
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Codebusters B/C

Post by bernard »

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Re: Codebusters B/C

Post by bangtanarmy7 »

This is my first time posting, so hopefully, I'm doing this right. 🤞🏼

Solve this quote encrypted using Atbash.

"Nzpv z ozab kvihlm wl z sziw qly uli gsvb droo urmw zm vzhb dzb gl wl rg."

(I apologize for any mistakes)
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Re: Codebusters B/C

Post by RedFireTruck »

my first tiem posting 2 lel
"Make a lazy person do a hard job for they will find an easy way to do it."
dis iz a cezar cifer

"Mx'w efsyx hvmzi, mx'w efsyx tsaiv. Ai wxec lyrkvc, ai hizsyv."
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Re: Codebusters B/C

Post by bangtanarmy7 »

"It's about drive, it's about power. We stay hungry, we devour."
lol good one

here's another caesar

"Gh, b wbwg'm ytee, b ptl cnlm vaxvdbgz by zktobmr lmbee phkdl."

(sorry for any spelling mistakes)
Last edited by bangtanarmy7 on Thu Sep 15, 2022 3:43 pm, edited 1 time in total.
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"Sometimes clouds have two sides, a dark and light, and a silver lining in between. It's like a silver sandwich. So, when life seems hard, take a bite out of the silver sandwich."- Sokka
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Re: Codebusters B/C

Post by PiCera »

No, I didn't fall, I was just checking if gravity still works
Lol nice

Vigenère anyone?

Key: ILOVESCIENCEOLYMPIAD

Alm cm ah gsh jehp Qoxmnfm Zztqhkih; fqpjp rtgme pwyc-vphjifrvmq dsnhbiwcewjr uqlif ymhs la wqnwa zf ntsemw vh ccf ba.

(If mistakes, sorry)
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Re: Codebusters B/C

Post by Pebble »

No, I didn't fall, I was just checking if gravity still works
edit: accidentally typed an extra letter

Aristocract from a song in a musical
"Xtud vfs'eu hwaaodi od w hfeukn wdm ntueu'k dfrfmv wefsdm, mf vfs ulue euwaav yewkt, fe ulud qwpu w kfsdm?"

First time, hope I didn't screw up
Last edited by Pebble on Tue Sep 20, 2022 7:45 am, edited 1 time in total.
ok
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Re: Codebusters B/C

Post by Umaroth »

Pebble wrote: Tue Sep 20, 2022 7:43 am
No, I didn't fall, I was just checking if gravity still works
edit: accidentally typed an extra letter

Aristocract from a song in a musical
"Xtud vfs'eu hwaaodi od w hfeukn wdm ntueu'k dfrfmv wefsdm, mf vfs ulue euwaav yewkt, fe ulud qwpu w kfsdm?"

First time, hope I didn't screw up
MY FAVORITE MY FAVORITE MY FAVORITE
WHEN YOU'RE FALLING IN A FOREST AND THERE'S NOBODY AROUND, DO YOU EVER REALLY CRASH OR EVEN MAKE A SOUND?
Since it might be more helpful than the actual answer, here's my solve path:
Start with YOU'RE and you should be able to deduce WHEN before it given the position of the E. At this point I reconned the quote because I love Dear Evan Hansen. Realistically you could go for THERE'S, or if you're going sequentially you may notice that the third word ends in ING and the next word is IN so to can assume ING and go from there. Another option is going filling in EVER/EVEN and then you should also get REALLY. After that you should be set.
Decode this Affine about flying
C MTSE JGL DM RWT DM AU XHCQJD SGRRUCTQ HCOE DIM ZWRRCDM DJCTQK ZESGWKE AU QGDE IGK TEBD DM WRZGT DMRDCHHG
Last edited by Umaroth on Tue Sep 20, 2022 10:27 am, edited 1 time in total.
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Re: Codebusters B/C

Post by bangtanarmy7 »

I'm most likely wrong, but aren't the a and b values usually given for affines?
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"Sometimes clouds have two sides, a dark and light, and a silver lining in between. It's like a silver sandwich. So, when life seems hard, take a bite out of the silver sandwich."- Sokka
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Re: Codebusters B/C

Post by knightmoves »

Wouldn't any affine decryption qualify as monoalphabetic substitution with random alphabet, making this an aristocrat under 3ei(1)?
Last edited by knightmoves on Wed Sep 21, 2022 8:29 am, edited 1 time in total.
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Re: Codebusters B/C

Post by knightmoves »

knightmoves wrote: Wed Sep 21, 2022 8:29 am Wouldn't any affine decryption qualify as monoalphabetic substitution with random alphabet, making this an aristocrat under 3ei(1)?
Actually, this one doesn't - ACA's definition of monoalphabetic substitution includes the requirement that no letter encodes to itself.

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