FINAL EXAM GRADES ARE IN!
In the following table your final exam and overall
homework grades are listed.
If you have any objection to your final exam grade e-mail
me to make an appointment
To see your exam paper. Also control your homework grade and if you think there is a
Mistake, please contact our friendly TA, Koray.
Note that I will be on vacation after June 15. So if you
want to object your exam
Grade do it as soon as possible.
|
Student # |
Final Exam |
Homeworks |
|
20040502051 |
42 |
81 |
|
20050502005 |
81 |
81 |
|
20050502031 |
36 |
77 |
|
20060501005 |
57 |
85 |
|
20060501022 |
109 |
98 |
|
20060501028 |
36 |
81 |
|
20060501044 |
57 |
74 |
|
20060502019 |
102 |
98 |
|
20060502020 |
58 |
79 |
|
20060502024 |
56 |
87 |
|
20060502025 |
71 |
71 |
|
20060502035 |
92 |
89 |
|
20060502042 |
80 |
99 |
|
20060502045 |
68 |
92 |
|
20060502049 |
57 |
76 |
|
20070501026 |
66 |
95 |
|
20070501067 |
67 |
95 |
|
20070502001 |
90 |
98 |
|
20070502014 |
75 |
80 |
|
20070502026 |
77 |
91 |
|
20070502035 |
61 |
59 |
|
20070502047 |
95 |
72 |
|
20070502057 |
47 |
91 |
|
AVG |
70 |
85 |
Second Midterm date: May 6th, 2010 (In class hours)
One A4 help sheet is allowed. Handwritten, not
photocopy.
(Study
hints: Be ready to compute ab mod n, d = e-1
mod m (efficiently).
Ready to compute prime factors of small (<1000) numbers.
Ready
to mount/defend against attacks (e.g., meet-in-the-middle, man-in-the-middle
etc) for protocols
Ready
to deal with DES modes of operations on a error prone comm..
channel.
SYLLABUS
Course ID CE 340
Course Name Cryptography and Network Security
Semester Spring, 2010
Instructor Prof. Dr. Mehmet E. DALKILIÇ
E-Mail mehmet.emin.dalkilic@ege.edu.tr
Class Times Thursday 15:30 – 18:20 (section 1)M
Office Hours TBA
Course Objectives This course introduces students to the basic building blocks of cryptographic systems as well as network security techniques. The objective of the course is to provide the basic knowledge to understand the design and analysis of classis cryptosystems, block ciphers, stream ciphers, DES, RC5, Modes of operation of block ciphers, public key cryptosytems, RSA, Security Services, Data Integrity and Authentication, key management, Secure e-mail, secure Internet protocols.
COURSE TOPICS
BASIC CONCEPTS
KEY MANAGEMENT
CLASSICAL CRYPTOALGORITHMS
PUBLIC KEY CRYPTOALGORITHMS
SECURITY SERVICES
SECURE INTERNET PROTOCOLS
· Historical Ciphers
· Classical Encryption
(DES, IDEA, RC5, AES)
·
Modes
of Operation
· Public Key Encryption
(RSA, DH, DSA)
· Hash functions and MACs
· Digital signatures
· Public key certificates
· Secure Internet Protocols
o E-mai: PGP and S-MIME
o www: SSL
o Network Layer Security: IPsec
o Wireless LAN security: WEP
o Operational security: Firewalls and IDS
Useful security software tools:
· Cryptool,
· PGP
Textbook W. Stallings, Cryptography and Network Security: Principles and Practices,
4/E, Prentice Hall, 2006 (http://williamstallings.com/Crypto/Crypto4e.html
Suggested reading: Simon Singh, The Code Book: The Secret History of Codes and Code-breaking, 1999
(Also available in Turkish)
Kurose and Ross, Computer Networking: a Top-Down Approach, 5th ed.,Pearson 2010
Course Web Page http://www.ube.ege.edu.tr/~dalkilic/courses/ce340_s2010.html
Evaluation Criteria
(tentative !!)
Homeworks : 20 %
Midterm I : 20 %
Midterm II : 20 %
Final : 30 %
Participation : 10 %
Attendance Attendance in class is required at all times. Students are expected to be fully prepared to discuss textbook readings and course assignments.
Announcements The students are expected to check their e-mails and the web site of the course for the announcements.
Lecture Slides lecture1
Turkish
Language Characteristics
Homework Policy !! (New Please Read !!)
Homework #1 (due date
March 4th, 2010)
Send your program
codes to
Koray Yücel [Gmail üzerinde
ce340hw@gmail.com ] and
cc it to me ( mehmet.emin.dalkilic@ege.edu.tr
Here is the homework1
h1solution
Homework #2 (due date
March 11th, 2010)
Send your program
codes to
Koray Yücel [Gmail üzerinde
ce340hw@gmail.com ] and
cc it to me ( mehmet.emin.dalkilic@ege.edu.tr
Here is the homework2 problems
typed for homework2
Make sure that you submit a hard (written) copy of your
homework.
Homework #3 (due date
March 18th, 2010)
Send your program
codes to
Koray Yücel [Gmail üzerinde
ce340hw@gmail.com ] and
cc it to me ( mehmet.emin.dalkilic@ege.edu.tr
Here is the homework3 problems
typed for homework3
Make sure that you submit a hard (written) copy of your
homework.
First Midterm date:
March 25th, 2010 (In class hours)
One A4 help sheet is
allowed. Handwritten, not photocopy.
Homework #4 (due date
March 25th, 2010)
1.
Problem
3.7
2.
Problem
3.8 (modified i.e., the key is “F E D C B A 9 8 7 6 5 4 3 2 1 0”)
3.
Prove
that decryption in a Feistel Cipher can be done by applying the encryption
algorithm, with the key schedule reversed.
4.
Double
DES encrypts a 64-bit message M in the following manner.
C = DESK1(DESK2(M))
(a)
Give
the average complexity ofa “naive” exhaustive key search?
(b)
Someone
suggest us to use a “meet-in-the-middle attack” to reduce the average
complexity obtained in part (a). Describe how we perform the
“meet-in-the-middle”attackn Double DES. What is the time and memory complexity
of the attack?
Homework #5 (due date April 15th, 2010)
1. Problem 6.1
2. Problem 6.5
3. Problem 6.9
4. Programming
Problem 6.13
(use 2x2 Hill modulo 256; key should be
given by the user)
Homework #6 (due date April 22nd, 2010)
1. Problem 9.9 (except part a)
2. Problem
9.15
Homework #7 (due date April 29th, 2010)
1. Problems 10.2, 10.5
2. Problems
11.3, 11.5 and 11.6
Homework #8 (due date
May 13th, 2010)
1. Install Wireshark
(http://wwww.wireshark.org/download.html)
2. Do Wireshark Lab1 and Lab2 Submit your written results.
Homework #9 (due date
May 20th, 2010)
Do
Wireshark SSLlab Submit your written results.
Homework #10 (due date May 27th, 2010) Last Homework J
problems typed for homework 10