Comments by "Lawrence D’Oliveiro" (@lawrencedoliveiro9104) on "Man in the Middle u0026 Needham–Schroeder Protocol - Computerphile" video.

  1. Needing to do arithmetic to hundreds or thousands of digits.
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  2. Holland is in the Netherlands, isn’t it?
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  3. 8:03 Why is secret-key (what he calls “symmetric key”) encryption preferred to to key-pair (public/private) encryption for the bulk of confidential communications, instead of using the latter all the time? Because key-pair encryption is on the order of 1000 times slower than secret-key encryption, that’s why.
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