The Secure Electronic Transaction (SET) specification

• A. is a notice, issued and verified by a certificate authority, that guarantees a user or Web site is legitimate
• B. provides private-key encryption of all data that passes between a client and a server
• C. allows users to choose an encryption scheme for the data that passes between a client and a server
• D. uses a public-key encryption to secure credit-card transaction systems
• E. None of these