Basic HTML version of Foils prepared May 19 99

Foil 50 VeriSign's Description of Certificate Revocation I

From Remarks on Internet and Java Security Basic Information Track Computational Science Course CPS616 -- Spring Semester 1999. by Geoffrey Fox, Mehmet Sen
1 A Certificate Revocation List (CRL) is a list of Digital IDs that have been revoked before their scheduled expiration date.
2 There are several reasons why a key might need to be revoked and placed on a CRL.
  • A key might have been compromised.
  • A key might be used professionally by an individual for a company; for example, the official name associated with a key might be "Alice Avery, Vice President, NPAC."
  • If Alice were fired, her company would not want her to be able to sign messages with that key and therefore the company would place the key on the CRL.
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