1. For each of the following concepts, research the internet for information on the topic and
provide an explanation as to:
(a) what the concept means,
(b)how is it realized mathematically, and
(c) what are its practical benefits. Identify the source(s) for your information.
i. Blind signatures
ii. Identity-based encryption
iii. Threshold cryptography
iv. Key escrow
v. Side channel analysis