CWSP, 2nd Edition

Chapter 3 Encryption Ciphers and Methods

IN THIS CHAPTER, YOU WILL LEARN ABOUT THE FOLLOWING:

✓ Encryption basics

• Symmetric and asymmetric algorithms

• Stream and block ciphers

• RC4/ARC4

• RC5

• DES

• 3DES

• AES

✓ WLAN Encryption methods

✓ WEP

• WEP MPDU

✓ TKIP

• TKIP MPDU

✓ CCMP

• CCMP MPDU

✓ WPA/WPA2

✓ Future Encryption Methods

✓ Proprietary Layer 2 implementations

Over the years people have created many ways to secure data for many purposes. In this chapter, you will learn about the various encryption algorithms that are used to secure wireless networks. You will see how encryption ciphers work to create encrypted data from plaintext data. This chapter will also discuss the encryption methods that are part of the 802.11-2012 standard, and the ciphers ...