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Activity
Texas Instruments

Texas Instruments: Numb3 Rs: Straddling Checkerboard

For Students 9th - 10th
Based off of the hit television show NUMB3RS, this lesson introduces students to a ciphering technique called the Straddling Checkerboard. In such an encryption scheme, all messages are turned into a series of numbers for transmission....
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Primary
Other

Gilc: Cryptography and Liberty

For Students 9th - 10th
This site from the Global Internet Liberty Campaign reports on a 1998 survey conducted by the Electronic Privacy Information Center which asked world nations about their encryption policies. The survey got results from over 75 nations,...