Friday, March 17, 2017

Security+ and Ciphers

Are you planning to take the Security+ exam?

Do you know the differences between block ciphers and stream ciphers?

See if you can you answer this sample question.

Q. An application developer needs to use an encryption protocol to encrypt credit card data within a database used by the application. Which of the following would be the FASTEST, while also providing strong confidentiality?

A. AES-256


C. Blowfish

D. SHA-2

Check out this post for the answer and a full explanation.