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Category Archives: polyalphabetic substitution
An environment in which one knows he or she must constantly maintain precautions is safer than one where they are unaware of the dangers that potentially exist. This concept is exemplified in the case of Mary Queen of Scots by the simple fact that her naive belief that she was speaking in secrecy directly […] Continue reading
By the mid 19th century, the skills and techniques used to break simple monoalphabetic substitution ciphers or keyword ciphers were well known between coder breakers. Tools such as frequency analysis were vital to decoding messages, encrypted messages intercepted through Morse code had no chance of staying secure. Messages needed to be encrypted with a stronger […] Continue reading
The first thing The Great Cipher used by Louis XIV did well was not being a monoalphabetic cipher. These ciphers are too susceptible to frequency analysis, making them crackable in a matter of hours at the most. Instead, the Great Cipher is more along the lines of a polyalphabetic cipher. Instead of letters, however, the […] Continue reading
On Elonka’s website, there is an explanation and solution to the Smithy Code. The Smithy Code was embedded in the ruling for a plagiarism trial concerning Dan Brown’s The Da Vinci Code. Justice Peter Smith italicized several letters which spelled out “S m i t h y c o d e J a e i e […] Continue reading