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Module 2- 3rd Topic

Total questions: 7

Worksheet time: 4mins

Name
Class
Date
1.

Cryptography is the science of making information ____ in the presence of adversaries.

a)

Compress

b)

flexible

c)

Secure

d)

Trustable

2.

The process of converting Plaintext to Cipher text is called ___________

a)

Decryption

b)

Cryptography

c)

Hash

d)

Encryption

3.

Following are security properties of Hash Functions.

a)

Pre-image Resistance

b)

Second Pre-image Resistance

c)

Third Pre-image Resistance

d)

Collision Resistance

4.

MD5 is a __ bit hash function that is commonly used for file integrity checks.

a)

128

b)

256

c)

512

d)

1024

5.

SHA -0 is introduced by the _____

a)

NSA (National Security Agency)

b)

NIST (National Institute of Standards and Technology)

c)

ISO (International Organization for Standardization)

d)

IEEE (Institute of Electrical and Electronics Engineers)

6.

RIPEMD is the acronym for

a)

Reduced Instruction Processor for Encryption and Message Digests

b)

Reliable Information Processing for Efficient Message Digests

c)

Race Integrity Primitives Evaluation Message Digest

d)

Robust International Protocol for Enhanced Message Digests

7.

SHA-256 algorithm works in ___ steps

a)

8

b)

9

c)

10

d)

11