Module 2- 3rd Topic

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

• Compress

• flexible

• Secure

• Trustable

The process of converting Plaintext to Cipher text is called ___________

• Decryption

• Cryptography

• Hash

• Encryption

Following are security properties of Hash Functions.

• Pre-image Resistance

• Second Pre-image Resistance

• Third Pre-image Resistance

• Collision Resistance

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

• 128

• 256

• 512

• 1024

SHA -0 is introduced by the _____

• NSA (National Security Agency)

• NIST (National Institute of Standards and Technology)

• ISO (International Organization for Standardization)

• IEEE (Institute of Electrical and Electronics Engineers)

RIPEMD is the acronym for

• Reduced Instruction Processor for Encryption and Message Digests

• Reliable Information Processing for Efficient Message Digests

• Race Integrity Primitives Evaluation Message Digest

• Robust International Protocol for Enhanced Message Digests

SHA-256 algorithm works in ___ steps

• 8

• 9

• 10

• 11