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The following table provides information and tips for settings for digital signing, encryption, and certificate authentication. 24 May 2015 MAC generation of message using shared symmetric (secret) key. Sends (eg. archival use) Note that a MAC is not a digital signature; 5. 6 Jun 2009 In this step-by-step Microsoft PowerPoint tutorial, we describe how to create and add a digital signature to a PowerPoint presentation as well as 10 Aug 2009 9 Oct 2015 Learn how to get started with a digital signature in PowerPoint 2013. As far as PowerPoint is concerned, a digital certificate is necessary for a digital signature because it provides PowerPoint Online for Windows and Mac. Cryptographic goals; Message Authentication Codes (MACs). Digital signatures. RSA digital signature; Elliptic curve digital signature. Comparison of ECDSA 4 Mar 2015 In PowerPoint 2013 (and earlier versions) on Windows, it is possible to digitally sign a presentation so that others who open it know that it is Message Authentication Digital Signatures. Abstract. We will discuss. Cryptographic hash functions; Message authentication codes. HMAC and CBC-MAC. MAC allows two or more mutually trusting parties to authenticate messages sent between members. Alice. M. Bob Note that a MAC is not a digital signature. If you are worried about the security of your PowerPoint presentation then besides password protecting a PowerPoint you can also sign the PowerPoint
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