Pro Active Directory Certificate Services: Creating and Managing Digital Certificates for Use in Microsoft Networks

© The Author(s), under exclusive license to APress Media, LLC, part of Springer Nature 2022

L. E. HughesPro Active Directory Certificate Serviceshttps://doi.org/10.1007/978-1-4842-7486-6_4

4. Digital Signature and Digital Envelope

Lawrence E. Hughes¹  

(1)

Frisco, TX, USA

 

Now that you understand the basic mechanisms of cryptography, we can move on to some applications of cryptography, which are used in actual real-world systems, such as TLS and S/MIME (Secure MIME). The first of these is the digital signature.

Digital Signature

A digital signature is not your handwritten signature scanned into a jpeg. That is not bound to you in any way, and a malicious actor can scan anyone’s handwritten signature and embed that into a document.

A real digital signature ...