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| Cipher w CTAK and substitution alphabet; Same alphabet used in previous message. | |
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| Tweet Topic Started: May 17 2015, 02:09 PM (266 Views) | |
| JOE.TEKK1 | May 17 2015, 02:09 PM Post #1 |
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A Message for Zetaboards Crypto. ** NOTE: This message is related to : "Cipher w ctak" post ;-) The context is the communications system for an Executive Protection Detail for a corporation. Cipher Text Autokey/Cipher Feedback is used. UCJJC IMRLI FBGDB HFUD BIOBH PPOOI KOHJC JPEBB BDFGE VEDRZ MEVZF RQFHE JHXBJ SBGCI HNQWD XGACC AGTK JVBW ----- Plain message: YOU MUST GO TO GREENWICH (CONNECTICUT) AND WESTPORT TO CHECK HOUSES CORAL AND JADE X HOUSE QUARTZ IS BEING RENOVATED X END . We are using an alphabet where A=11, Z=36. The key is 12 characters, expanded on the 6 character key of “ QUICHE ” ; Q=VD, U=OW, I=HP, C=SA , H=WE, E=GO , then take the 2nd and 4th digraphs again ( OW and SA ) as key letters, then use the W. Then key of “HLQUAESWUYZQQUSWU . “ . What would the message be if we used the 6-letter word of " PAELLA" as Key? --end-- |
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1:02 AM Jul 11