CS 140 Final: CS 140cs140 final fall 2005
31 Jan 2019
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In recognition of and in the spirit of the stanford university honor code, i certify that i will neither give nor receive unpermitted aid on this exam. This examination is closed notes and closed book. You may not collaborate in any manner on this exam. You have 180 minutes (3 hours) to complete the exam. Before starting, please check to make sure that you have all 15 pages. Cs140 final fall 2005 (1) (12 points) answer the following two questions about message digests. Someone gives you a file along with an encrypted message digest of the file. The message digest has been encrypted with your public key. If not useful, would there be any harm in it? (b) someone gives you a file along with a message digest computed on the contents of the file concatenated with his or her private key.
