Podcast
Questions and Answers
What is the primary purpose of public-key cryptography in key distribution?
What is the primary purpose of public-key cryptography in key distribution?
- To distribute secret keys securely between sender and receiver (correct)
- To create a digital signature
- To verify the identity of the sender
- To encrypt the plaintext message
What is the purpose of a Public Key Infrastructure (PKI) in cryptography?
What is the purpose of a Public Key Infrastructure (PKI) in cryptography?
- To encrypt messages using public keys
- To authenticate users and devices
- To manage and distribute public keys
- To create and manage digital certificates (correct)
What is the main advantage of the Web-of-Trust model compared to the PKI model?
What is the main advantage of the Web-of-Trust model compared to the PKI model?
- It is more secure
- It is more user-friendly
- It does not rely on trusted third parties (correct)
- It is more scalable
What is the purpose of a certificate chain in a PKI system?
What is the purpose of a certificate chain in a PKI system?
What is the main problem with the PKI model mentioned in the text?
What is the main problem with the PKI model mentioned in the text?
What is the main purpose of symmetric encryption in the context of key management?
What is the main purpose of symmetric encryption in the context of key management?
Who can set up a trusted root CA?
Who can set up a trusted root CA?
How do applications like web browsers typically handle root CA certificates?
How do applications like web browsers typically handle root CA certificates?
Who certifies the public key of a root CA?
Who certifies the public key of a root CA?
What is the main concern regarding trusting root CAs?
What is the main concern regarding trusting root CAs?
Why is it challenging to fully trust a self-signed certificate from a root CA?
Why is it challenging to fully trust a self-signed certificate from a root CA?
What is the primary purpose of PKI (Public Key Infrastructure) in the context of HTTPS websites?
What is the primary purpose of PKI (Public Key Infrastructure) in the context of HTTPS websites?
What percentage of phishing websites were reported to be using HTTPS in 2021?
What percentage of phishing websites were reported to be using HTTPS in 2021?
In the Web-of-Trust model, how can a public key be certified?
In the Web-of-Trust model, how can a public key be certified?
What is the potential risk associated with the Web-of-Trust model?
What is the potential risk associated with the Web-of-Trust model?
Which protocol implements the idea of Web-of-Trust for secure communications?
Which protocol implements the idea of Web-of-Trust for secure communications?
According to the 'Key continuity management' solution, how can a new public key be trusted?
According to the 'Key continuity management' solution, how can a new public key be trusted?
