Chapter 4 Study Guide

Question 1

RSA

Answer 1

• Asymetric public key encryption

Question 2

ElGamal

Answer 2

• Asymetric
• Used for both digital signing and encryption

Question 3

Elliptic Curve Diffie Hellman (ECDH)

Answer 3

• Asymetric
• Used for Key Exchange

Question 4

Homomorphic

Answer 4

• Allows operation on data without decrpytion

Question 5

Elliptic Curve Digital Signature Algorithim (ECDSA)

Answer 5

• Asymetric
• Used for creation of Digital Signatures

Question 6

Cramer-Shoup

Answer 6

• ElGamal but adds one-way hashing

Question 7

Identity Based Encryption (IBE)

Answer 7

• Generates the encryption key from a piece of identity of the recipient.
• Alternative to PKI