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Category Archives: Unbreakable cipher
In a student’s first week in MATH 1111, they are asked a question about whether the ability to decrypt a code depends on intuition, creativity, or luck. At least in this year’s class, the majority of students picked either intuition or creativity for various reasons. None of us anticipated that luck would be the key […] Continue reading
The strength of the Vigenère Cipher depends largely on the length of the keyword. If the keyword is just one letter, then it is nothing more than a simple shift cipher; if the keyword is the same length as the plain text, there will be little to no discernable pattern. However, Singh clearly demonstrates that even with […] Continue reading
The Beale Ciphers, despite the attempts of hundreds if not thousands of cryptanalysts, have never been broken before, and might never be broken in the future. Two of the three pages that Beale left behind are still shrouded in complete mystery, and likely will remain a mystery unless someone manages to find the key that […] Continue reading
The unbroken Beale ciphers, likely enciphered using a book cipher, will remain nearly impossible to break until we figure out what key text was used to encipher them. Despite this, cryptanalysts have been trying to decipher the messages using various key texts, essentially guessing and checking in the hopes that they stumble upon the correct […] Continue reading