Certificate authority questions

Discussion in 'privacy technology' started by norteast, Jan 21, 2012.

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  1. norteast

    norteast Registered Member

    Joined:
    Jan 21, 2012
    Posts:
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    Location:
    UK
    Hi all!

    Could somebody please help me out and explain following 4 questions

    -> What are the main difference between a a self-sign certification implementation and a PKI?
    -> What is the difference in the trust model between X500 certificates and openPGP keys?
    -> What is the main difference between file encryption and rights management
    -> What are the steps followed within an RM Solution, when a file is protected and authorized user attempts access?

    Would be really nice to have a explanation to the 4 above

    Thanks to all in advance
     
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