Hardware software concepts
HARDWARE AND SOFTWARE CONCEPTS Hardware concepts :- Hardware in Distributed Systems can be organized in several different ways: Shared Memory (Multiprocessors , which have a … Read more
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Goals of DS
Goals of Distributed Systems The four important goals that should be met for an efficient distributed system are as follows: 1. Connecting Users and Resources … Read more
Distributed computing models
A distributed system is a model in which components located on networked computers communicate and coordinate their actions by passing messages to each other. Categories … Read more
Advantages Disadvantages of DS
Distributed System A collection of autonomous computers linked by a network using software to produce an integrated computing facility. There are different advantages and disadvantages … Read more
SSL Secure socket layer
Stands for “Secure Sockets Layer.” SSL is a secure protocol developed for sending information securely over the Internet. Many websites use SSL for secure areas … Read more
Digital signature standard
This Standard specifies algorithms for applications requiring a digital signature, rather than a written signature. A digital signature is represented in a computer as a … Read more
Hash function in network web security
Hash Function A hash function is any function that can be used to map data of arbitrary size to data of fixed size. The values … Read more
One way hash function
A one-way hash function, also known as a message digest, fingerprint or compression function, is a mathematical function which takes a variable-length input string and … Read more
Authentication Functions
Message authentication is concerned with: Protecting the integrity of a message Validating identity of originator Non‐repudiation of origin Fundamental levels of message authentication: Lower level … Read more
Digital signature
A digital code (generated and authenticated by public key encryption ) which is attached To an electronically transmitted document to verify its contents and the … Read more