Past Exam for CMSC 414 - CMPTR & NETWORK SECURITY at Maryland (UMD)

Exam Information

Material Type:Exam 1
Subject:Computer Science
University:University of Maryland
Term:Fall 2006
  • Authenticates
  • Authentication
  • Particularly
  • Either...or
  • Environment
  • The Environment
  • Permutation
  • The Internet
Login / Sign Up to View Document
Preview Page 1Preview Page 2Preview Page 3Preview Page 4Preview Page 5Preview Page 6

Sample Document Text

CMSC 414 F06 Exam 1 Page 1 of 6 Name:_________________________ _____________________________________________________________________________________ Total points: 40. Total time: 75 minutes. 6 problems over 6 pages. No book, notes, or calculator 1. [14 points] Are n=187 and e=9 valid numbers for RSA. Explain. If you answer yes, obtain the corresponding d. CMSC 414 F06 Exam 1 Page 2 of 6 Name:_________________________ 2. [6 points] Consider a sensor X that periodically sends a 64-octet measurement to a receiver Y. One day the administrator decides that X should encrypt the measurement data using DES in CBC mode. How many octets does X now send for each measurement? Explain your answer. CMSC 414 F06 Exam 1 Page 3 of 6 Name:_________________________ 3. [8 points] Lish, Pish, and Kish are three languages like English, except that each of them has an alphabet of 4 characters, namely, "A", "B", "C", and "D". The frequency (as percentage) of letter usage in ...

Related Documents

Authentication Notes
Authenticates Exam
Authenticates Notes
Particularly Exam
Particularly Exam
Particularly Exam
Particularly Notes
Particularly Exam
Particularly Exam
Authenticates Notes
Temperature Notes
Wilting Point Notes
Honor Pledge Exam
Infrastructure Notes
Alternative Assignment Notes
Competitors Notes
155, "/var/app/current/tmp/"