3-DES and RSA

No one has formally “proven” that 3-DES or RSA are “secure”. Given this, what evidence do we have that they are indeed secure Try to explain with your own words (no google or wikipedia).

Path of Packets from point A to point B on Internet

I'm trying to understand the path packets take so, I need a description of the path a packet takes across the Internet from destination A to destination B. Also I need to know what types of network devices does the packet pass through from destination A to destination B.

Compute the BER (Basic Encoding Rules) encoding of given data.

Given the BER encodings in attached ber.gif, what will be the BER encoding of {weight, 277} {lastname, "greg"}?

Object Identifier Tree

In reference to the Object Identifier tree a. What do you expect the subject of the standard 1.2.840.113549 to be? (Make a guess). b. Where in the tree would a new Microsoft file format for a new product be placed?

Probabilities

Probabilities 1.) A taxicab was involved in a fatal hit-and-run accident at night. Two cab companies, The Green and The Blue, operate in the city. You are told that: • 85% of the cabs in the city are Green and 15% are Blue • A witness identified the cab as Blue The court tested the reliability of the witness under the same circumstances that existed on the night of the accident and concluded that the witness was correct in identifying the color of the cab 80% of the time. What is the probability that the cab involved in the incident was Blue rather than Green? 2. In the carnival game known as chuck-a-luck, a player plays an amount E as an entrance fee, selects a number between one and... click for more