00) 121902

Module 111
1.2 Define Asymmetric key Cryptography and explain about the RSA cryplosystem (6)
١ with suitable example.
OR
14

Explain Data Encryption Standard with a neat diagram,

(6)
ப IV
൭5-ന്‌ Define hash functions? What is its significance? (6)
OR
16 Describe various attacks on digital signature. (6)
Module 1
17 Discuss the process of Storing and usage of Bitcoins in network. (6)
OR
18 ടത and explain Bitcoin transaction in network. (6)
Module VI
19 Discuss the protocols of SSL (6)
OR
20 Explain two modes of IPSEC, (6)

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