Symmetric cryptography, Other Subject

Assignment Help:

Symmetric Cryptography

Until recently, symmetric encryption techniques were used to secure information transmitted on public networks. Traditional, symmetric cryptographic systems are based on the idea of a shared secret. In such a system, two parties that want to communicate securely first agree in advance on a single "secret key" that allows each party to both encrypt and decrypt messages.

Symmetric cryptography has several drawbacks. Exchanging secret keys is awkward in large networks. Furthermore, the distribution of secret keys requires both senders and recipients to trust, and, therefore, to be recognizable with, every person they communicate with firmly. Also, symmetric systems need a secure channel to deal out the "secret" keys in the first place. If there is certainly such a secure channel, why not use it to send the entire secret message?

In today's Web-based systems concerning many transitory and participant's interactions with strong cryptography necessities, such symmetric key-based systems are highly not practical as a means for approving upon the necessary secrets to begin communicating firmly. This problem, the key contract, or key allocation problem, is part of a larger problem that is middle to the modern understanding of cryptographic systems-the key management problem (described in greater feature later in the chapter). Together, they represent the primary challenge in designing efficient cryptography systems for current computing systems. Symmetric key encryption plays an important role in the SSL protocol, along with asymmetric public key encryption.


Related Discussions:- Symmetric cryptography

Teacher in imerging indian socity, prakartebade ma sekchak sekshari & anusa...

prakartebade ma sekchak sekshari & anusasan ka varnan

Northern renaissance art, Northern Renaissance Art: The Northern Renaissan...

Northern Renaissance Art: The Northern Renaissance refers to the Renaissance outside of Italy however in Europe. Typically the major centers for art included the Germany, Netherla

Determine accurate and credible information, The Media's job is to report t...

The Media's job is to report the news. The consumer's job is to determine accurate, credible and truthful information to use in deciding political issues and character of politicia

Anthropology, Provided an example of secondary social group.

Provided an example of secondary social group.

What is the creative process in visualization, Question 1 Write a long not...

Question 1 Write a long note on the audience of online media advertising and audience analysis (aspect of timing and aspect of time vs frequency) Question 2 Describe the vari

Occupational Health & Safety Observation Report, Occupational Health & Safe...

Occupational Health & Safety Observation Report of a Construction site.

CHAIN SURVEY, What is the meaning of obstacle and how are they overcomed in...

What is the meaning of obstacle and how are they overcomed in chain survey?

Need Help, What constitutional and statutory protections of privacy existed...

What constitutional and statutory protections of privacy existed before the Internet became prevalent

Analyze global temperature and carbon dioxide measurements, To analyze glob...

To analyze global temperature and carbon dioxide measurements for seasonal, annual and longer term trends b parsing and loading complex data ?les and dealing with missing data, wri

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd