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The best one i've seen actually uses SOS as a clue. RQ indicates a question, there fore you get "SOS?" this seems to hint at a pattern, and then you get a few palindromes in the decoded morse, so: everything that is symmetrical: ISI (from invisible) ESe (slightly weak due to the "e" from FORCESe) From INTERPRETATIT (I came to believe that the sentence is not ...


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Use Keylength.com There are several metrics that try to estimate for how many years a given keylength may last you. The length calculator at Keylength.com (http://www.keylength.com/en/compare/ ) uses eight such heuristics to give you a general idea which size you should choose. You can go both directions. You can either enter a year and receive a ...


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Yep, it's possible. It's called a one-time pad; how it works is you have a truly random keystream of bits as long as the message (i.e. every bit is 0 or 1 with exactly 50% probability each, every bit is truly independent from every other bit, all possible keystreams of the right length are equally likely), exclusive-or it with the message, and the result is ...


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The Morse code letters that are palindromes are E,H,I,K,M,O,P,R,S,T,X. This may be the reason Kryptos is spelled with a K. I believe the list suggested the word. The palindromes in K4 are important to the solution.



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