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Forum index » Diversions » TimeWasters

Crypto Puzzles...
Moderators: Giskard, ndemeter, ScarpeGrosse

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INCyr
Unfettered

Joined: 17 Aug 2004
Posts: 589
Location: Front Range of the Rockies!

Crypto Puzzles...

So I got a few crypto puzzles that a friend of mine made, and figured that there'd be no better place than this to get some help.

So here they are:

Quote:

For the Hell of it, I decided to come up with a list of steadily more difficult crypto challenges for anyone interested inside of Amazon. (Though none are especially hard). I've come up with 4 so far and have decided to release these to the public at large. All of these are crackable by hand. They are in increasing order of difficulty (though that last two might be swapped for some people). I provided the encryption scheme to the Amazonians, but I'm not to you, because you guys shouldn't need it. (Extra credit if you can name the encryption scheme (subtypes too if possible) and provide the key.)
So I present to you the:

Amazon Crypto Challenge

Challenge #1

MABL BL MAX YBKLM VAYEEXGZX GB MAX TFTSHG.VHF VKRIMH VATEEXGZX.

Challenge #2

HU HAABUR ZBMSRE BN H WPMR DA LDUDHCMSHQRWBZ ZBMSRE.
WSFN WSBN HUI WSR URGW ZSHCCRUJR NSDFCI QR DA NULUCHE IBAABZFCWP.

Challenge #3

GBVVN JKAIK YASPG RAJKA RNKYA KAZKQ ALLWE AHNJW BQKYP GHALP
KKLNG BUBIO MINAH JKBYN LDWBQ YNINY PGKKY NHNWP JAEAX BGZIW
DKBZY ALLNG RN

Challenge #4

ITRTQR SIOAFO NUNFEC CISHPE APROLS UHLINE
UEMDTN AISGUF EIFBON ERSXFS XTTHXA IRXTTO

Challenge #5

KIQOSLVF AHOJSTCS DGGFLWCU VBTOSFUF BKSSHUIF YWFUPHMS FFVRHKIQ XRGWRUWE
SLSBZBCM FIILFGIU PDFVHIIW WKKIGLOE HSGLBYHP IOKSMTOL JWSOWXUZ QJXKSJHF
FWHGSBAL ZQQSIFYL VFAHFWUB ZGZWGTWI VGKNIQMS ZQPDPWHT UDMTSJVY CDJFLWVW
FFAKCMZE JHSFCVOK QADIMUHW LUPHFWHP IOZGKBNX ZDMBCWCE OUMGOLHB KNKAHIVR
VMABVLBN CMDHAWBU EKOLGPMY SJ

Challenge #6

KBWDFZIX GBMLKYTH DXHNAZTG DSBHARUD XSLTAZSG BHGNADBK AESDENAM STZDICPF
CXBHQZKS MHAYLAKM WDNUKSQF NWPLMIDB YWLETEHS AZSFQZKS HNAZEFAE FPSHTBDV
ENWADWLM HVHVMHPZ MLEALPBI WABOLADT KSMFAESN TXSDHLLT OBDSWBTF DWENAEAH
DZKSFOWD SQWDIUHI TLNTMABO PCMILMNA HLHTPLAZ TZWANAWA KVBIKBML CNCZCGOX
SLSDELLP ADPLOPNG WNAY

Originals posted here. These puzzles are in no way, shape or form associated with Amazon.com. The creator just happens to work there.

Thanks guys!

_________________
DC Axon Hunter!
Master Sergent on the Apocalypso
Gamertag: INCyr

Posted: Tue Aug 16, 2005 11:48 pm
Last edited by INCyr on Wed Aug 17, 2005 10:52 am; edited 1 time in total

Delusional
Entrenched

Joined: 16 May 2005
Posts: 839

what a suprise the first one is rot'ed text

amazon crypto challenge 1 wrote:

THIS IS THE FIRST CHFLLENGE NI THE AMAZON.COM CRYPTO CHALLENGE.

the spelling errors are not mine.

Posted: Wed Aug 17, 2005 12:57 am

Ehsan
Entrenched

Joined: 09 May 2003
Posts: 992

Re: Crypto Puzzles...

It is not very suprising then to find that the second one is a substitution cipher.

amazon crypto challenge 2 wrote:

AN AFFINE CIPHER IS A TYPE OF MONOALPHABETIC CIPHER.
THUS THIS AND THE NEXT CHALLENGE SHOULD BE OF SNMNLAR DIFFICULTY.

Hmm.. more spelling mistakes

Posted: Wed Aug 17, 2005 1:11 am

jchillerup
Decorated

Joined: 27 Dec 2003
Posts: 198
Location: Copenhagen, Denmark

I bet the spelling errors make a password for the next one. But.... I can't be sure.

_________________
...

Posted: Wed Aug 17, 2005 11:30 am

INCyr
Unfettered

Joined: 17 Aug 2004
Posts: 589
Location: Front Range of the Rockies!

jchillerup wrote:

I bet the spelling errors make a password for the next one. But.... I can't be sure.

I've talked to the creator, and he says the spelling errors are infact errors. He made these when he was bored, and evidently didn't actually proof-check them.

_________________
DC Axon Hunter!
Master Sergent on the Apocalypso
Gamertag: INCyr

Posted: Wed Aug 17, 2005 12:21 pm

GulDan
Guest

INCyr wrote:

jchillerup wrote:

I bet the spelling errors make a password for the next one. But.... I can't be sure.

I've talked to the creator, and he says the spelling errors are infact errors. He made these when he was bored, and evidently didn't actually proof-check them.

This is correct. These are all transcription errors that I made in copying the puzzles from my notebook (in messy handwriting) to the keyboard. For that matter, a correction to Challenge 3 (I confused my written "U"s with "V"s):

Code:

GBUUN JKAIK YASPG RAJKA RNKYA KAZKQ ALLWE AHNJW BQKYP GHALP
KKLNG BUBIO MINAH JKBYN LDWBQ YNINY PGKKY NHNWP JAEAX BGZIW
DKBZY ALLNG RN

More challenges will be coming in the future. I'll be posting them in my journal and pointing them out to INCyr. If you want, I can post them here as well. I've heard good things about UnFiction, so I'm no longer worried about any of my ideas being too difficult. I do still intend to keep all algorithms simple enough that encryption and decryption can be done by hand.

Posted: Wed Aug 17, 2005 5:13 pm

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