ManusCrypt

Information security primarily serves these six distinct purposes—authentication, authorization, prevention of data theft, sensitive data safety / privacy, data protection / integrity, non-repudiation. The entire gamut of infosec rests upon cryptography. The author begins as a protagonist to explain that modern cryptography is more suited for machines rather than humans. This is explained through a brief history of ciphers and their evolution into cryptography and its various forms. The premise