Define trust model and mention some variations of ibis model

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Reference no: EM131907200

Problem

1. Define a certification authority (CA) and its relation to public-key cryptography.

2. Define the X.509 recommendation and state its purpose.

3. List the duties of a PKI.

4. Define a trust model and mention some variations of ibis model discussed in this chapter.

Reference no: EM131907200

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