Week 3 Module 1 Flashcards
PKI
In PKI the ingredients of Trust are what?
Authentication
Confidentiality
Data Integrity
Non-repudiation
What is Non-repudiation?
prevention of an entity to deny previous actions
________ is the protection of information from unauthorized disclosure.
Confidentiality
The Credential in PKI is the binding of the ______ with a ______ Key.
A. Private
B. Public
C. Subject Identity
D. Digital Identity
C. Subject Identity
B. Public
Confidentiality is provided by the sender encrypting contents using the recipient’s _________. Decryption by the recipient is done using the recipient’s _______.
Public Key
Private Key
Digital Signatures provide _____ and ______.
integrity
non-repudiation
The status of a certificate can be checked using the ________ or _______.
A. Certificate Revocation List
B. Certificate Status List
C. Online Certificate Status Protocol
D. Online Revocation Status List
A. Certificate Revocation List
C. Online Certificate Status Protocol
The _______ manages the certificate lifecycle and is the trusted party, among other things.
Certificate Authority (CA)
The CA can delegate the _______ to identity and authenticate subscribers, but it cannot issue certificates.
Registration Authority (RA)
A _______ is an electronic site that holds certificates and certificate status information.
A. database
B. repository
C. certificate store
D. none of the above
B. repository
___________ is the process of establishing trust in a CA, starting from a CA you already trust.
A. Certificate Trust Validation
B. Certificate Link Validation
C. Certificate Path Validation
D. None of the above
C. Certificate Path Validation
A _______ is a trust model where the CA issues certificates to users/systems, but not other CAs. Not very scalable.
Single CA
In a ______ PKI model, the CAs have a superior-subordinate relationship.
Hierarchical
A _______ PKI model links two PKI Domains.
Bridge
True/False: Self-signed certificates are common and very trustworthy.
False
