Lecture 2

In this lecture I gave an introduction to cryptography, and began discussing private-key encryption. We defined secrecy (both informally and in the sense of perfect secrecy), and will see a scheme that achieves perfect secrecy in the next lecture.

Slide are posted on the course syllabus

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One Response to “Lecture 2”

  1. Tarek Osman Says:

    Heres the way to get perfect secrecy (google has done it again!):

    http://www.theonion.com/content/video/google_opt_out_feature_lets_users

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