Designing Network Security Second Edition

Appendix E. Answers to Review Questions

Chapter 1

1:	Cryptography is the basic building block that enables which of the following? Authentication Integrity Confidentiality All of the above
A1:	A, B, and C. Cryptography is the basic building block that enables authentication, integrity, and confidentiality. Most current authentication, integrity, and confidentiality technologies are derived from the following three cryptographic functions: symmetric encryption, asymmetric encryption, and one-way hash functions.
2:	True or false: The best security algorithms are designed in secret.
A2:	False. Most good security algorithms undergo years of scrutiny by the world's best cryptographers, who validate the strength of the algorithm.
3:	What is a brute-force attack? ...