810:088 class #14 - week #3 (Thursday)
- What is a
signature? What issues in the
CIA triad does it address? Explain how it addresses each.
- PGP and message digests:
PGP uses a hash
function and produces a short message digest.
- More PGP links.
- What are
the five steps for Alice preparing a
secure email message to be sent to Bob, using the PGP system?
- Comparing encryption methods:
Which is the faster encryption method? Symmetric or Asymmetric?
- Which one requires much larger key size to achieve the same
level of privacy and confidentiality protection for the information.
- How does the PGP system design address these differences in
conventional and public key encryption by combining both approaches?