Hour #2 Crypto and Privacy Protecting Technologies Message Digests reduce a file to a âfingerprint.â Input: 1-264 bytes Output: 128, 160, 256 or more bits The same digest…
Letâs look at an example Letâs look at an example I want to write an application that reports the course scores to you. Requirements: Every student can only get his/her…
Operating Systems Operating Systems 8 â virtual memory PIETER HARTEL 1 Principle of locality: memory references tend to cluster Only resident set of pages in memory Page…
UNIX Files and Security Software Tools Slide * File Systems What is a file system? A means of organizing information on the computer. A file system is a logical view, not…
Files and Directories in UNIX The first file in UNIX file system is ârootâ or â/â Files and Directories in UNIX (continue.) Home directory (could be named differently)…
Entropy of Keys and Password Generation Introduction to entropy Entropy and data compression Predictability of random number generation Entropy and system security A weak…