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How to create your own certificate with XCA

 

To generate X509 Keypairs, a German developer wrote an open source programm. It's easy to use (with templates etc.)

 

You find the actual version under http://www.hohnstaedt.de or direct under http://sourceforge.net/projects/xca

 

step-by-step-instruction for X.509 Keypair for E-mail encryption and signing

 

Overview

preparation

Install tool XCA (http://sourceforge.net/projects/xca)

1. step Generate a RSA Private Key 1024bit

Generate a RSA Private Key  1024bit

 

Key Details:

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2. step

Make template for the Certificate:

Take 'New empty template' (also 'New client template' possible)

New empty template:

Email-Address: this is the Email address for which the certificate will be valid ! Important to use the right one.

Diese Angaben sollten gen�gen:

Only S/MIME or SSL Client too:

 

 

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3. step

Make Certificate

You may give a serial number, otherwhise the system will give one.

Result:

Show Details:

 

 

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4. step

Export the Key

Now you get a PKCS#12 File (private & public Key)

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5. step

Install Certificate in Windows: Use Certificate Manager (normally: C:\WINDOWS\SYSTEM32\CERTMGR.MSC)

Import PKCS#12 File

 

 

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6. step

Export your *crt Public Key and trust it

 

Datei testCerttPriva.cer anschauen:

 

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7 step

Trust Certificate:

Choose 'Zertifikat Installieren':

the certification manager shows now your certificate as trusted:

and as your own certificate:

 

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8. step You can use now the certificate. It's important to use the same email address everywhere!

And: HEUREKA - it works

 

by Beat Weber
 
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Page last modified: Sat, Nov 26, 2022 11:39:02 CET; ©2002-2022 by PrivaSphere AG, all rights reserved   .