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Block, David – Creative Computing, 1982
Two kinds of secret writing, codes and ciphers, are discussed. The weakness of a ciphering system mentioned in the March 1981 issue is pointed out, and an alternate method is presented. Programs written in BASIC are presented which can be used to encipher messages and help break ciphers. (MP)
Descriptors: Computer Science, Computer Science Education, Enrichment Activities, Mathematical Applications
