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A cipher is a simple method of modifying messages to make them unreadable, but still possible to recover. Common ciphers are Caesar, Vigenere, Atbash, and several types of substitution cipher. Other ciphers include polynomial ciphers such as Playfair, Foursquare, etc.

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ciphers are no joke seeing as it's taken 2 years to decode an Ubchi cipher, and 5 years (and counting) at the time of this post to try and crack an ADFGX cipher. For this more recent cipher, I have … that's about it. Anyone who can help me figure out what type of cipher this is, it would really help out. These are the first few numbers in the cipher page: 38 63 39 37 38 65 35 65 33 65 37 64 33 35 …
asked Feb 28 '18 by user45997