Download JNTUK M-Tech 2020 R19 CSE Applied Cryptography Model Question Paper

Download JNTUK (Jawaharlal Nehru Technological University Kakinada (JNTU kakinada)) M.Tech (ME is Master of Engineering) 2020 R19 CSE Applied Cryptography Model Previous Question Paper

14

(M19CST1109)

I M.Tech I Semester(R19) Regular Examinations
APPLIED CRYPYOGRAPHY
COMPUTER SCIENCE AND ENGINEERING
MODEL QUESTION PAPER
TIME:3Hrs Max.Marks:75M
Answer ONE Question from EACH UNIT
All questions carry equal marks
CO KL M
UNIT-1
1. a.) Explain Advanced Protocols 1 1 7
b.) Write abt blind signatures and public key cryptography 1 1 8
OR
2. a.) Classify the block cipher modes of operation 1 1 8
b.) Explain block cipher design principles in detail 1 1 7

UNIT-2
3. a.) State and prove Euler?s Theorem and Determine ?(37)and ?(35) 3 2 8
b.) Define a Primitive root. Find all primitive roots of 25 3 3 7
OR
4. a.) Summarize DES encryption algorithm 3 2 8
b.) Explain CAST-128 cipher 3 2 7

UNIT-3
5. a.) Differentiate Sequence generators and Linear Congruential
generators
2 1 7
b.) Explain stream ciphers using LFSR,RC4 2 1 8
OR
6. a.) Compare the principle characteristics of MD5,SHA-1 4 2 7
b.) Analyze message authentication using MAC 4 2 8

UNIT-4
7. a.) Perform encryption and decryption using RSA algorithm for
p=5,q=11,e=3 and M=9
2 3 7
b.) Write about Digital Signature Algorithm 4 2 8
OR
8. a.) Explain Elliptic Curve Encryption and Decryption 2 2 7
b.) Explain RabinmElGamal Algorithm 2 2 8

UNIT-5
9. a.) Apply Diffie-Hellman algorithm to exchange keys securely 5 2 7
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14

(M19CST1109)

I M.Tech I Semester(R19) Regular Examinations
APPLIED CRYPYOGRAPHY
COMPUTER SCIENCE AND ENGINEERING
MODEL QUESTION PAPER
TIME:3Hrs Max.Marks:75M
Answer ONE Question from EACH UNIT
All questions carry equal marks
CO KL M
UNIT-1
1. a.) Explain Advanced Protocols 1 1 7
b.) Write abt blind signatures and public key cryptography 1 1 8
OR
2. a.) Classify the block cipher modes of operation 1 1 8
b.) Explain block cipher design principles in detail 1 1 7

UNIT-2
3. a.) State and prove Euler?s Theorem and Determine ?(37)and ?(35) 3 2 8
b.) Define a Primitive root. Find all primitive roots of 25 3 3 7
OR
4. a.) Summarize DES encryption algorithm 3 2 8
b.) Explain CAST-128 cipher 3 2 7

UNIT-3
5. a.) Differentiate Sequence generators and Linear Congruential
generators
2 1 7
b.) Explain stream ciphers using LFSR,RC4 2 1 8
OR
6. a.) Compare the principle characteristics of MD5,SHA-1 4 2 7
b.) Analyze message authentication using MAC 4 2 8

UNIT-4
7. a.) Perform encryption and decryption using RSA algorithm for
p=5,q=11,e=3 and M=9
2 3 7
b.) Write about Digital Signature Algorithm 4 2 8
OR
8. a.) Explain Elliptic Curve Encryption and Decryption 2 2 7
b.) Explain RabinmElGamal Algorithm 2 2 8

UNIT-5
9. a.) Apply Diffie-Hellman algorithm to exchange keys securely 5 2 7
15

b.) With the help of neat diagram ,explain Kerberos action 5 2 8
OR
10. a.) Write abt the PGP services a)Authentication
b)Confidentiality
5 1 8
b.) Explain public key cryptography standards 2 1 7


























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