Topic of this assignment concerns one reading on the trust 
management and authentication. This paper is accessible _only_ 
from the FI/MU network as the paper I want you to read is 
available through the ACM Digital Library. It's the 
paper "Authentication metric analysis and design" from MK Reiter 
and SG Stubblebine, published in 1999 in the ACM Transactions 
on Information and System Security (TISSEC). 
The link is: http://doi.acm.org/10.1145/317087.317088

The following two questions should be answered by December 7th, 
23:59, and up to 6 points will be awarded. A reminder - no cooperation
is allowed, and any act of plagiarism or sharing of (even partial) 
results will be investigated.

4.1 (3 points)
Summarize the authors' criticism of the previous approaches to auth. 
metrics design in 300-400 words (no less, no more!!!)

4.2 (3 points)
What are the five major lessons/insights you gained from reading 
the paper?