Digital Signature Scheme for Email Messages

This section describes the digital signature scheme for email messages. The process of signing an email message is the same as signing other digital documents.

To help you understand the digital signature process, I found this diagram from Ghacks.net:
Digital Signature Process

The diagram shows you that:

Note that the picture above only verifies the integrity of the received document. It does not cover the verification of sender's identity.

Last update: 2011.

Table of Contents

 About This Book

 Introduction of PKI (Public Key Infrastructure)

 Introduction of HTTPS (Hypertext Transfer Protocol Secure)

 Using HTTPS with IE (Internet Explorer) 10

 Using HTTPS with Chrome 40

 Using HTTPS with Firefox 35

 Perl Scripts Communicating with HTTPS Servers

 PHP Scripts Communicating with HTTPS Servers

 Java Programs Communicating with HTTPS Servers

 Certificate Stores and Certificate Console

 .NET Programs Communicating with HTTPS Servers

 CAcert.org - Root CA Offering Free Certificates

 PKI CA Administration - Issuing Certificates

 Digital Signature - Microsoft Word 2007

 Digital Signature - OpenOffice.org 3

S/MIME and Email Security

 What Is S/MIME?

Digital Signature Scheme for Email Messages

 A Simple Email Message Example

 Email Messages with Attachments using MIME

 Email Messages with Digital Signatures using S/MIME

 Encrypted Email Messages using S/MIME

 Digital Signature and Encryption in Outlook 2007

 Email Security Settings in Outlook 2007

 Valid Certificate Required in Outlook 2007

 Message Security Properties in Outlook 2007

 Firefox Extension - Gmail S/MIME

 PKI (Public Key Infrastructure) Terminology

 Outdated Tutorials

 References

 PDF Printing Version