Podcast
Questions and Answers
What are the different ways to distribute public keys?
What are the different ways to distribute public keys?
- Private announcement, public directory, public-key authority, and public-key certificates
- Public announcement, public directory, public-key authority, and public-key certificates (correct)
- Public announcement, private directory, private-key authority, and private-key certificates
- Private announcement, private directory, private-key authority, and private-key certificates
What are the potential benefits of partitioning data?
What are the potential benefits of partitioning data?
- Better data quality and faster processing times
- Improved cost-effectiveness and ease of use
- Increased scalability, performance, availability, security, and operational flexibility (correct)
- None of the above
Who is responsible for maintaining and distributing the public directory?
Who is responsible for maintaining and distributing the public directory?
- The government
- The user themselves
- A trusted organization (correct)
- Any organization that wants to
What are the three types of data partitioning?
What are the three types of data partitioning?
What is mandatory in distributing public keys?
What is mandatory in distributing public keys?
What is horizontal partitioning?
What is horizontal partitioning?
What does X.509 define?
What does X.509 define?
What is vertical partitioning?
What is vertical partitioning?
What does X.509 recommend for public key encryption?
What does X.509 recommend for public key encryption?
What is functional partitioning?
What is functional partitioning?
What does each X.509 certificate contain?
What does each X.509 certificate contain?
What types of data stores can partitioning be applied to?
What types of data stores can partitioning be applied to?
What are the components of PKI?
What are the components of PKI?
What must the chosen partitioning strategy balance?
What must the chosen partitioning strategy balance?
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Study Notes
- There are different ways to distribute public keys, such as public announcement, public directory, public-key authority, and public-key certificates.
- A trusted organization is responsible for maintaining and distributing the public directory.
- Secure and authenticated communication is mandatory in distributing public keys.
- X.509 defines a framework for authentication services by the X.500 directory to its users.
- X.509 recommends RSA but does not dictate a specific hash algorithm.
- Each X.509 certificate contains a user's public key signed with the private key of a trusted certification authority.
- The format of an X.509 certificate includes various elements such as version, serial number, signature algorithm identifier, issuer name, and subject name.
- User certificates generated by a CA are unforgeable and can be placed in a directory without special protection.
- PKI is defined by NIST and has requirements such as verifying the certificate's owner, origin, and currency.
- PKI components include end entity, CA, RA, repository, and replying party.
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