Codebusters C

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Re: Codebusters C

Post by Name » March 22nd, 2019, 7:27 pm

olivia.m19 wrote:Here's an excerpt from the lab I did in chem class today, encoded as a Caesar cipher:

Ze kyzj vogvizdvek, pfl nzcc jklup kyv vwwvtk fw zetivrjzex kyv tfetvekirkzfe fw re zfezt tfdgfleu fe tfeultkzmzkp.
shift = 17
IN THIS EXPERIMENT, YOU WILL STUDY THE EFFECT OF INCREASING THE CONCENTRATION OF AN IONIC COMPOUND ON CONDUCTIVITY.
Solve this following affine:
YOIMDOMCFSEBIQN
Where N=D and D=N
(It may appear at first that the question is unsolvable due to the a value not being coprime to 26, but the question is actually solveable).
Edit: also something interesting- the encryption key and decryption key are the same.
Syosset HS '21
Favorite Past Events: Microbe, Invasive, Matsci, Fermi
Events!: Astro, Code, Fossils
Cornell/LISO/Duke/MIT/Regionals/Brown/SOUP
Astro: 2/4/2/10/2/2/3
Code: 9/1/2/1/1/1/1
Fossils: 16/13/6/9/2/3/8
1 fermi cornell, 10 orni LISO, 4 green gen regionals

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Re: Codebusters C

Post by UTF-8 U+6211 U+662F » March 30th, 2019, 4:55 pm

Name wrote:
olivia.m19 wrote:Here's an excerpt from the lab I did in chem class today, encoded as a Caesar cipher:

Ze kyzj vogvizdvek, pfl nzcc jklup kyv vwwvtk fw zetivrjzex kyv tfetvekirkzfe fw re zfezt tfdgfleu fe tfeultkzmzkp.
shift = 17
IN THIS EXPERIMENT, YOU WILL STUDY THE EFFECT OF INCREASING THE CONCENTRATION OF AN IONIC COMPOUND ON CONDUCTIVITY.
Solve this following affine:
YOIMDOMCFSEBIQN
Where N=D and D=N
(It may appear at first that the question is unsolvable due to the a value not being coprime to 26, but the question is actually solveable).
Edit: also something interesting- the encryption key and decryption key are the same.
is a 12 and b 3?

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Re: Codebusters C

Post by Name » March 30th, 2019, 6:44 pm

UTF-8 U+6211 U+662F wrote:
Name wrote:
olivia.m19 wrote:Here's an excerpt from the lab I did in chem class today, encoded as a Caesar cipher:

Ze kyzj vogvizdvek, pfl nzcc jklup kyv vwwvtk fw zetivrjzex kyv tfetvekirkzfe fw re zfezt tfdgfleu fe tfeultkzmzkp.
shift = 17
IN THIS EXPERIMENT, YOU WILL STUDY THE EFFECT OF INCREASING THE CONCENTRATION OF AN IONIC COMPOUND ON CONDUCTIVITY.
Solve this following affine:
YOIMDOMCFSEBIQN
Where N=D and D=N
(It may appear at first that the question is unsolvable due to the a value not being coprime to 26, but the question is actually solveable).
Edit: also something interesting- the encryption key and decryption key are the same.
is a 12 and b 3?
No
solve for B value first
Syosset HS '21
Favorite Past Events: Microbe, Invasive, Matsci, Fermi
Events!: Astro, Code, Fossils
Cornell/LISO/Duke/MIT/Regionals/Brown/SOUP
Astro: 2/4/2/10/2/2/3
Code: 9/1/2/1/1/1/1
Fossils: 16/13/6/9/2/3/8
1 fermi cornell, 10 orni LISO, 4 green gen regionals

UTF-8 U+6211 U+662F
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Re: Codebusters C

Post by UTF-8 U+6211 U+662F » March 30th, 2019, 7:24 pm

Name wrote:
UTF-8 U+6211 U+662F wrote:
Name wrote:
IN THIS EXPERIMENT, YOU WILL STUDY THE EFFECT OF INCREASING THE CONCENTRATION OF AN IONIC COMPOUND ON CONDUCTIVITY.
Solve this following affine:
YOIMDOMCFSEBIQN
Where N=D and D=N
(It may appear at first that the question is unsolvable due to the a value not being coprime to 26, but the question is actually solveable).
Edit: also something interesting- the encryption key and decryption key are the same.
is a 12 and b 3?
No
solve for B value first
SCIENCEOLYMPIAD
Encrypt this text with a Caesar shift of 17: WOW THAT TOOK ME WAY TOO LONG

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Re: Codebusters C

Post by olivia.m19 » March 31st, 2019, 12:17 pm

UTF-8 U+6211 U+662F wrote: Encrypt this text with a Caesar shift of 17: WOW THAT TOOK ME WAY TOO LONG
NFN KYRK KFFB DV NRP KFF CFEX
rip scioly 2020 :(
2019-20
CMU/Reg/SOUP/State/Nat
Boomi: 4/4/-/-/- Code: 1/1/4/?/? Sounds: 1/1/3/?/? PPP: -/-/38/?/?

2018-19
Duke/Reg/Cornell/State/Nat
Codebusters: 3/1/1/1/5 Sounds of Music: 4/2/-/-/- Boomilever: 5/2/9/8/25 Fermi Questions: 6/2/11/1/19

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Re: Codebusters C

Post by UTF-8 U+6211 U+662F » March 31st, 2019, 12:20 pm

olivia.m19 wrote:
UTF-8 U+6211 U+662F wrote: Encrypt this text with a Caesar shift of 17: WOW THAT TOOK ME WAY TOO LONG
NFN KYRK KFFB DV NRP KFF CFEX
Yep, your turn

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Re: Codebustews C

Post by olivia.m19 » April 1st, 2019, 8:33 am

Decrypt this Vigenere cipher, with key UWU

isi qdun’o nbem? bwjju ujscq biis’m xws!

(i’m very sorry lmao)
(There are some slang terms/kind-of-errors)
Last edited by olivia.m19 on April 1st, 2019, 9:26 am, edited 1 time in total.
rip scioly 2020 :(
2019-20
CMU/Reg/SOUP/State/Nat
Boomi: 4/4/-/-/- Code: 1/1/4/?/? Sounds: 1/1/3/?/? PPP: -/-/38/?/?

2018-19
Duke/Reg/Cornell/State/Nat
Codebusters: 3/1/1/1/5 Sounds of Music: 4/2/-/-/- Boomilever: 5/2/9/8/25 Fermi Questions: 6/2/11/1/19

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We: Codebustews C

Post by jimmy-bond » April 1st, 2019, 9:16 am

olivia.m19 wrote:Decrypt this Vigenere cipher, with key UWU

isi qdun’o nbem? bwjju ujscq biis’m xws!

(i’m very sorry lmao)
There may be an issue solving here due to the April Fool's thing.
A dyslexic man walks into a bra.
Code, CL, 4&6, WQ
Code, DP, 4&6, WQ
Code(16), DD(40), FQ(39),4&6(36), WQ(27)
CriB(26), DP (11), FF(1), MM(14), P&P(6)
CriB(36), DD(35), FF(2), MM(20)

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Re: We: Codebustews C

Post by olivia.m19 » April 1st, 2019, 9:23 am

jimmy-bond wrote:
olivia.m19 wrote:Decrypt this Vigenere cipher, with key UWU

isi qdun’o nbem? bwjju ujscq biis’m xws!

(i’m very sorry lmao)
thewe may be an issue solving hewe due to the apwiw foow's thing.
I doubled checked, it should work. However, I edited my post bc there are some details i forgot to mention oops
rip scioly 2020 :(
2019-20
CMU/Reg/SOUP/State/Nat
Boomi: 4/4/-/-/- Code: 1/1/4/?/? Sounds: 1/1/3/?/? PPP: -/-/38/?/?

2018-19
Duke/Reg/Cornell/State/Nat
Codebusters: 3/1/1/1/5 Sounds of Music: 4/2/-/-/- Boomilever: 5/2/9/8/25 Fermi Questions: 6/2/11/1/19

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We: Codebustews C

Post by dragonfruit35 » April 1st, 2019, 11:32 am

olivia.m19 wrote:Decrypt this Vigenere cipher, with key UWU

isi qdun’o nbem? bwjju ujscq biis’m xws!

(i’m very sorry lmao)
(thewe awe some slang terms/kind-of-errors)
owo what’s this? happy apwiw foow’s day!
2019 (Duke/Regionals/Cornell/States/Nats)
Mission 3/7/- Sounds 4/2/- Herp -/-/11/1/26 MV 2/3/7/3/10 Code 3/1/1/1/5
2020 (CMU/Regionals/SOUP)
Detector 4/📏/- GV 6/🥢/8 Code 1/1/5 ED -/-/1 PPP -/-/38


R.I.P. Nationals 2020 :(

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