Like what you see? Get it in one document for easy printing!
Click Here!
Use coupon code "certiguide" to save 20%!
(Expires 2004/12/31)

Test yourself better with 300 extra Security+ questions!
Get It Here!

Custom Search







Table Of Contents  CertiGuide to Security+
 9  Chapter 4:  Basics of Cryptography (Domain 4.0; 15%)
      9  4.2  Concepts in Using Cryptography

Previous Topic/Section
4.2.2.1  Digital Signatures
Previous Page
Pages in Current Topic/Section
1
Next Page
4.2.4  Non-Repudiation
Next Topic/Section

4.2.3  Authentication

Authentication is the process of verifying that a specific person sent a message. This can be accomplished with secret or public key encryption systems.

A secret key system can verify that one of the individuals who know the secret key sent the message, although it cannot necessarily identify which one of those individuals sent the message.

With an asymmetric key system and a digital signature, you know that only the people possessing the key used to create the signature could have sent the message. Since digital signatures are usually created with the sender’s private key, this tells you that that person was the sender of the message.

Authentication is…

Authentication is the process of verifying that a specific person sent a message.



Previous Topic/Section
4.2.2.1  Digital Signatures
Previous Page
Pages in Current Topic/Section
1
Next Page
4.2.4  Non-Repudiation
Next Topic/Section

If you find CertiGuide.com useful, please consider making a small Paypal donation to help the site, using one of the buttons below. You can also donate a custom amount using the far right button (not less than $1 please, or PayPal gets most/all of your money!) In lieu of a larger donation, you may wish to consider buying an inexpensive PDF equivalent of the CertiGuide to Security+ from StudyExam4Less.com. (Use coupon code "certiguide" by December 31, 2004 to save 20%!) Thanks for your support!
Donate $2
Donate $5
Donate $10
Donate $20
Donate $30
Donate: $



Home - Table Of Contents - Contact Us

CertiGuide for Security+ (http://www.CertiGuide.com/secplus/) on CertiGuide.com
Version 1.0 - Version Date: November 15, 2004

Adapted with permission from a work created by Tcat Houser et al.
CertiGuide.com Version Copyright 2004 Charles M. Kozierok. All Rights Reserved.
Not responsible for any loss resulting from the use of this site.