University of Virginia, Department of Computer Science
CS551: Security and Privacy on the Internet, Fall 2000

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Challenge 4: Are There Skeletons in VeriSign's Closet?

Open 8 October, Closed 6 November - Solution by Greg Lamm)

The following advertisement was spotted by Philip Varner:


Analyze the validity of their claim by determining reasonable assumptions that make breaking 128-bit SSL encryption take 141 sextillion years, or show convincingly that there are no reasonable assumptions under which this is true.

Worth up to 100 bonus points. This assumes VeriSign has not published anything backing up their claim, it isn't worth anything if you solve it by finding their documentation.


CS 655 University of Virginia
Department of Computer Science
CS 551: Security and Privacy on the Internet
David Evans
evans@cs.virginia.edu