9.2.  Certificate History

Stolen from: http://www.cs.auckland.ac.nz/~pgut001/pubs/pkitutorial.pdf

• Why is X.509 PKI so complicated? rcd2459
• Original paper on publick-key encryption proposed the Public File

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Public-key white pages

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Key present -> valid

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Communications where protected by a signature

• Straight forward in 1976 - not today

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Last modified: 22/February/12 (13:17)