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PGKKW XIMAF TNEGA NFYGZ TMUIV (Posted on 2003-12-05) Difficulty: 5 of 5
WATAE TXLAL PDIBI MGTBU YBTMM FJBJW KBEIZ SGLZQ CCOCT XMQHM QSLFS
AOBFX QQRCK CJSME XFHLT GYSJN QEQUM FNPIZ ZMCWE PXQOD UIDLO SXLCV
CGIWI UIVYC HLYAE TKYKY RVOVZ FJWAR RCYCN SSJNN ADVZB BMQJQ UVGKC
UCPVN BGRZA EVOMF THBSK OZUYQ QDGUO FUIAT XOWPN QESJM MUHHU XBTMM
NYGYF YFNFH VIATB UOHPD QVJAT AEYLT MQTLE EXBTH MMYCT BDDAX
Determine what this cipher says, and the method of encryption, using the following hints:
  • It is not a simple substitution cipher.
  • Both the original plain text message and the encrypted message contain 270 characters (maybe with meaningless filler characters at the end).
  • Only one rather simple method of encryption has been used.
  • The encryption method is fairly robust. In other words, an error (while encrypting or decrypting) does not scramble the entire remaining message. Some very complicated ciphers have this problem.
  • In the encrypted text, M and T appear most often, and R appears least often (I do not think these facts help at all).
  • Both the original plain text and the encrypted message read from left to right.
  • You might be able to guess the full text after determining only the first three words.

See The Solution Submitted by DJ    
Rating: 4.1111 (9 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
re: Solution? | Comment 7 of 20 |
(In reply to Solution? by Penny)

We can figure out the passage from the first three words? Then it must begin in one of the following ways:

"We the people.." (My candidiate, since it is 269 characters - DJ miscounted when he said 270)
"In the beginning..."
"Call me Ishmael..."
"On your mark..."
"Space, the final..."
"Long, long ago..."
"I pledge allegiance..."
"Ashes to Ashes..."
"Four score and..."
"One small step..."
"Good Morning Vietnam!"
  Posted by Penny on 2003-12-05 22:46:57

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