wechall Training: Crypto - Substitution I (Crypto, Training)

Crypto - Simple Substitution I

Oh dear, I guess you have cracked the two caesar cryptos...
This one is more difficult. Although a simple substitution is easily cracked...
Again the characters are limited to A-Z... But I think I can come up with a 256 version again.

Enjoy!

ND PHU FORMBHPD BXZ DXW IFJ SUFZ PHMQ RD CSMUJZ M FR MRASUQQUZ TUSD LUOO ZXJU DXWS QXOWPMXJ KUD MQ SXXISOCOSAIC PHMQ OMPPOU IHFOOUJBU LFQ JXP PXX HFSZ LFQ MP

 

解题思路:

猜测 PHU=THE,通过quipqiup解密

得到明文

BY THE ALMIGHTY GOD YOU CAN READ THIS MY FRIEND I AM IMPRESSED VERY WELL DONE YOUR SOLUTION KEY IS ROOCRLFLRPCF THIS LITTLE CHALLENGE WAS NOT TOO HARD WAS IT

ROOCRLFLRPCF即为答案

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