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Programming

Describe how polyalphabetic substitution works

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AnswerApolyalphabetic cipher is any cipherbased onsubstitutionusing multiple substitution alphabetsVigenerecipher is one of the best known example of polyalphabeticsubstitutionPolyalphabeticsubstitution is based on the substitution using differentsubstitution alphabetsThe firstknown polyalphabetic cipher was the Alberti cipher inverted by LeonBattistaHe useda mixed alphabet to encrypt the plaintext but at random points hewould change to a different mixed indicating the change with anuppercase letter in    See Answer
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