Getting Personal Certificate Signed by CAcert.org

This section provides a tutorial example on how to submit a CSR (Certificate Signing Request) to CAcert.org to get a free personal certificate for an email address.

With the CSR (Certificate Signing Request) for my email address, herong_yang@yahoo.com, ready, I can go back to CAcert.org to finish the process of getting my free personal certificate now.

1. Go to CAcert.org and "Password Login" to my account.

2. Click "New" under the "Client Certificate" menu. The "New Client Certificate" page shows up.

3. Copy and paste the entire content of my CSR file, herong_yang_yahoo_com.csr, into the CSR area.

4. Click "Next" button. CAcert.org issues a personal certificate to me.

5. CAcert.org also sends me an email and gives a link to a Web page with my personal certificate:

My Personal Certificate
My Personal Certificate

6. Copy and paste my personal certificate from the Web page into a text file, herong_yang_yahoo_com.pem

Congratulations, I have a personal certificate for herong_yang@yahoo.com signed by CAcert.org now!

Table of Contents

 About This Book

 Introduction of PKI (Public Key Infrastructure)

 Introduction of HTTPS (Hypertext Transfer Protocol Secure)

 Using HTTPS with Google Chrome

 Using HTTPS with Mozilla Firefox

 HTTPS with Microsoft Edge

 Using HTTPS with Apple Safari

 HTTPS with IE (Internet Explorer)

 Android and Server Certificate

 iPhone and Server Certificate

 Windows Certificate Stores and Console

 RDP (Remote Desktop Protocol) and Server Certificate

 macOS Certificate Stores and Keychain Access

 Perl Scripts Communicating with HTTPS Servers

 PHP Scripts Communicating with HTTPS Servers

 Java Programs Communicating with HTTPS Servers

 .NET Programs Communicating with HTTPS Servers

 CAcert.org - Root CA Offering Free Certificates

 PKI CA Administration - Issuing Certificates

 Comodo Free Personal Certificate

 Digital Signature - Microsoft Word

Digital Signature - OpenOffice.org 3

 OpenOffice.org 3 - Applying Digital Signatures

 Converting KeyStore Files to PKCS12 Files

 Importing Private-Public Key Pair with Internet Options

 Viewing a Certificate with a Private Key

 Importing CA Certificates into the Trusted Store

 Signing OpenOffice.org 3 Document Failed

 Generating CSR for a Personal Certificate

Getting Personal Certificate Signed by CAcert.org

 Storing Personal Certificate with Its Keys

 Installing Personal Certificate with Internet Options

 Signing OpenOffice.org 3 Document Worked

 S/MIME and Email Security

 PKI (Public Key Infrastructure) Terminology

 Archived Tutorials

 References

 Full Version in PDF/EPUB