What are the essential ingredients of a symmetric cipher?
- 2.1 What are the essential ingredients of a symmetric cipher?
- 2.2 What are the two basic functions used in encryption algorithms?
- 2.3 How many keys are required for two people to communicate via a symmetric cipher?
- 2.4 What is the difference between a block cipher and a stream cipher?
- 2.5 What are the two general approaches to attacking a cipher?
- 2.6 Why do some block cipher modes of operation only use encryption while others use both encryption and decryption?
- 2.7 What is triple encryption?
- 2.8 Why is the middle portion of 3DES a decryption rather than an encryption?
- 7.1 What is the basic building block of an 802.11 WLAN?
- 7.2 Define an extended service set.
- 7.3 List and briefly define IEEE 802.11 services.
- 7.4 Is a distribution system a wireless network?
- 7.5 How is the concept of an association related to that of mobility?
- 7.6 What security areas are addressed by IEEE 802.11i?
- 7.7 Briefly describe the five IEEE 802.11i phases of operation.
- 7.8 What is the difference between TKIP and CCMP?
- 8.1 What is the difference between RFC 5321 and RFC 5322?
- 8.2 What are the SMTP and MIME standards?
- 8.3 What is the difference between a MIME content type and a MIME transfer encoding?
- 8.4 Briefly explain base64 encoding.
- 8.5 Why is base64 conversion useful for an e-mail application?
- 8.6 What is S/MIME?
- 8.7 What are the four principal services provided by S/MIME?
- 8.8 What is the utility of a detached signature?
- 8.9 What is DKIM?
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