Wednesday, November 18, 2009

14.1-2 for 18 November

1. The tunnel example did not make much sense to me. The example of the similar idea with the Feige-Fiat-Shamir Identification scheme at first was a little hard to figure out how step four verified that Peggy knew s_i, but then I reread it and it made more sense.

2. I thought that the idea of a zero knowledge proof was interesting, since it was a way of avoiding the ATM scam mentioned at the beginning of the book.

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