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|An introduction to cryptography, in particular affine enciphering applied to the alphabet, focusing on the use of linear algebra. Includes a primer on bases and modulus algebra and extensions for deciphering an affine enciphered message, using keys to get the entries of matrices A and B, cracking a code that was encrypted using affine enciphering, and using frequency analysis to crack a code. Includes a list of other links and a bibliography.|
|Resource Types:||Course Notes, Problems/Puzzles|
|Math Topics:||Matrices, Systems of Linear Equations, Cryptography|
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