Computer Security Basics by Rick Lehtinen & G.T. Gangemi Sr

Author:Rick Lehtinen & G.T. Gangemi Sr. [Rick Lehtinen]
Language: eng
Format: epub
Tags: COMPUTERS / Security / General
ISBN: 9781449317058
Publisher: O'Reilly Media
Published: 2011-09-20T04:00:00+00:00

Authenticity

Encryption is also very good at making sure that your information is authentic, that is, that is comes from who it says it does. Certain encryption techniques let you confirm absolutely who sent a particular piece of information. This is extremely important to financial or legal transactions. An important authentication technique is a digital signature. A digital signature is unique for every transaction and is very difficult to forge. Digital signatures are described later in this chapter.

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