Download JNTUK M-Tech 2020 R19 IT Principles Of Cryptography Model Question Paper

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

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[M19 IT 1109]

I M. Tech I Semester (R19) Regular Examinations
PRINCIPLES OF CRYPTOGRAPHY
Department of Information Technology
MODEL QUESTION PAPER
TIME: 3 Hrs. Max. Marks: 75 M
Answer ONE Question from EACH UNIT
All questions carry equal marks
*****
CO KL M
UNIT - I
1. a). Identify the classical cryptosystems and its types 1 3 8
b). Compare Euler's and Chinese Remainder theorem 1 4 7
OR
2. a). Distinguish single rnd of DES Algorithm and key discarding process of
DES
2 4 8
b). Analyze Cauchy 's theorem with example 2 4 7

UNIT - II
3. a). Distinguish max-flow min-cut theorem 2 4 7
b). Apply encryption and decryption for RSA algorithm parameters :p=3, q=11, e=7,
d=?, M=5.
2 3 8
OR
4. a). Identify different types of attacks 1 3 7
b). Compare SSL and SET protocols 2 4 8
UNIT - III
5. a). Distinguish Diffie Hellman key Exchange algorithm with merits and
demerits
2 4 8
b). Classify Modes of operation in Block cipher 2 4 7
OR
6. a). Identify different modes of operations in DES 2 3 8
b).
Identify different Phases, types of virus structure and types of viruses
1 3 7
UNIT - IV
7. a). Classify fr types of block cipher design 2 4 8
b).
Analyze the key generation in AES algorithm and its expansion format
3 4 7
OR
8. a).
List t the properties of hash function in cryptography
3 4 7
b). Analyze digital signature with ElGamal public key cryptosystem 3 4 8
UNIT - V
9. a).
Distinguish secure hash Algorithm (SHA)
3 4 7
b).
Compare any two classical crypto systems with suitable examples
1 4 8
OR
10. a).
Classify RSA digital signature
3 4 8
b).
Compare stream cipher with RC4
3 4 7

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