Network and Web Security

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

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 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

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

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

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

Message digest functions also called hash functions, are used to produce digital summaries of information called message digests. Message digests (also called hashes) are commonly … Read more

MD5 algorithm was developed by Professor Ronald L. Rivest in 1991. According to RFC 1321, “MD5 message-digest algorithm takes as input a message of arbitrary … Read more

Secure Shell (SSH) Secure Shell (SSH) is a cryptographic network protocol for operating network services securely over an unsecured network. The best known example application … Read more

Cryptography is the technique message from a non-readable format back to a readable format without knowing how they initially converted from readable format to non-readable … Read more