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Th e Mathematics of Encryption - American Mathematical Society

Cryptography is one of the oldest studies, and one of the most active and important. The word cryptography comes from two Greek words: κρυτττ`oςς (kryptos), meaning secret, and γραϕω` (grapho), meaning to write. As theserootsimply, it allbegan withtheneedforpeopletocom-municatesecurely. The basicsetupis that there aretwo people ...