Exam Details
| Subject | cryptography and computer security | |
| Paper | ||
| Exam / Course | computer science and engineering | |
| Department | ||
| Organization | Vardhaman College Of Engineering | |
| Position | ||
| Exam Date | June, 2017 | |
| City, State | telangana, hyderabad |
Question Paper
Hall Ticket No: Question Paper Code B3677
(AUTONOMOUS) M. Tech I Semester Supplementary Examinations, June 2017
(Regulations: VCE-R15) CRYPTOGRAPHY AND COMPUTER SECURITY
(Computer Science and Engineering) Date: 12 June, 2017 AN Time: 3 hours Max Marks: 70
Answer any FIVE Questions
Each Question carries equal marks
1. Illustrate the security mechanisms in detail. 6M
Evaluate the cipher text applying a 2*2 hill cipher, given plain text is
"FRIDAY"
8M
2. Explain briefly the Feistal structure with a neat diagram. 8M
Enumerate different steps of SHA to generate the message digest.
6M
3. Discuss the possible attacks on a RSA algorithm. 7M
Give the details of security in Hash functions and MAC's.
7M
4. How does PGP provide public key management? 7M
Give the general format of PGP message and explain it.
7M
5. Describe the services provided by IPSec. 7M
Explain in brief ISAKMP.
7M
6. Examine how SSL provides confidentiality using symmetric encryption and message
integrity using MAC?
8M
Discuss how SET is designed to protect the credit card transactions on the internet?
6M
7. Compare and contrast SNMPV1 and SNMPV2 protocol data unit. 7M
Justify intrusion into a computer system or network is one of the most serious threats
to security.
7M
8. Summarize the characteristics and counter measures of DDOS (Distributed Denial of
Service attacks).
8M
Enumerate the counter measures of Viruses and Worms. 6M
(AUTONOMOUS) M. Tech I Semester Supplementary Examinations, June 2017
(Regulations: VCE-R15) CRYPTOGRAPHY AND COMPUTER SECURITY
(Computer Science and Engineering) Date: 12 June, 2017 AN Time: 3 hours Max Marks: 70
Answer any FIVE Questions
Each Question carries equal marks
1. Illustrate the security mechanisms in detail. 6M
Evaluate the cipher text applying a 2*2 hill cipher, given plain text is
"FRIDAY"
8M
2. Explain briefly the Feistal structure with a neat diagram. 8M
Enumerate different steps of SHA to generate the message digest.
6M
3. Discuss the possible attacks on a RSA algorithm. 7M
Give the details of security in Hash functions and MAC's.
7M
4. How does PGP provide public key management? 7M
Give the general format of PGP message and explain it.
7M
5. Describe the services provided by IPSec. 7M
Explain in brief ISAKMP.
7M
6. Examine how SSL provides confidentiality using symmetric encryption and message
integrity using MAC?
8M
Discuss how SET is designed to protect the credit card transactions on the internet?
6M
7. Compare and contrast SNMPV1 and SNMPV2 protocol data unit. 7M
Justify intrusion into a computer system or network is one of the most serious threats
to security.
7M
8. Summarize the characteristics and counter measures of DDOS (Distributed Denial of
Service attacks).
8M
Enumerate the counter measures of Viruses and Worms. 6M
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