UK A focus for research and curriculum development in mathematics teaching and learning with the unifying aim of enhancing mathematical progress in schools and colleges. Online Tampering with a smart card can force it into making errors in the calculations used for encrypting data, potentially allowing the code to be broken. The presumed difficulty of computing discrete logarithms in finite fields is the basis of several popular public key cryptosystems. Also, puzzle generators based on themes such as color names, fruits, vegetables, and numeral words in English, French, German, Spanish, and Italian. Cryptarithms Online - Jorge Soares Mathematical puzzles in which the digits are replaced by letters of the alphabet or other symbols.
Members make up and solve their own creations strictly for the fun of it.
Seven gold bars allegedly issued to a General Wang in Shanghai, China, in 1933 appear to represent metal certificates related to a bank deposit with a U.S. Bank. An introduction to cryptography, in particular affine enciphering applied to the alphabet, focusing on the use of linear algebra. David Bruce Wilson David Bruce Wilson researches probability, combinatorics, and theoretical computer science. Abstracts of his articles on these subjects are available on the web and may be downloaded in PostScript or .dvi formats. An article partly from Leary's book, The Second Cryptographic Shakespeare.