Didier Stevens

Monday 8 August 2016

Howto CreateCertGUI: Create Your Own Certificate On Windows (OpenSSL Library)

Filed under: Encryption,My Software — Didier Stevens @ 0:00

I created a program with a graphical user interface to create a simple certificate. This program uses the OpenSSL library. Extract the program from the zip file (below) and run it:

20160807-232138

You don’t have to install any dependencies, everything is linked into the program.

If you need more help, here is a video:

Download:

CreateCertGUI_V1_0_0_1.zip (https)
MD5: F5400736E7E38F30D35A02FEB6D99651
SHA256: 82D59AC494FEF1A8B219C591717359712C19E8845D02A457017045A9A4C3D989

And if you are interested, here is the source code:

CreateCertGUI_source_V1_0_0_1.zip (https)
MD5: 790CA083407032434A8DA1FF8AC1E512
SHA256: B15BB8A3504EF56D1C6C84CA181FFB6E5A73956EC79757C62B87B520C136AA2D

8 Comments »

  1. […] If you don’t know how to use the command-line or you don’t want to install OpenSSL to create a simple certificate, I created a tool for Windows that doesn’t require installation: CreateCertGUI. […]

    Pingback by Howto: Make Your Own Cert With OpenSSL on Windows | Didier Stevens — Friday 12 August 2016 @ 11:36

  2. […] Update: if you don’t have access to a machine with OpenSSL, I created a website to generate certs using the procedure described here. Read through the procedure, and then use the website listed at the end. And if you don’t want your private key generated on a server you don’t own, download my tool I created for Windows that doesn’t require installation: CreateCertGUI. […]

    Pingback by Howto: Make Your Own Cert With OpenSSL | Didier Stevens — Friday 12 August 2016 @ 11:39

  3. […] utilizar esta aplicación, lo único que debemos hacer es descargarla desde la página web de su desarrollador (aquí encontraremos también el código fuente, por si no nos fiamos de la aplicación) y […]

    Pingback by Crea certificados OpenSSL gratuitos en Windows con CreateCertGUI — Saturday 13 August 2016 @ 8:02

  4. […] Howto CreateCertGUI: Create Your Own Certificate On Windows (OpenSSL Library) […]

    Pingback by Overview of Content Published In August | Didier Stevens — Sunday 18 September 2016 @ 18:36

  5. […] Tool: CreateCertGUI […]

    Pingback by CreateCertGUI | Didier Stevens Videos — Friday 7 October 2016 @ 11:46

  6. Hello. I downloaded your CreateCertGUI, but Windows 10 blocked it as malware, Trojan: Win32/Detplock. I tried a few times with the same results. Could this simple be a false positive?

    Comment by apromise — Sunday 27 November 2016 @ 12:05

  7. Check the hash. If it matches, it’s a false positive: https://www.virustotal.com/en/file/144c673fcc6fa6696365ce73c426a4bf1aedb0b4580aa9ecaa8bc9c5aff30fba/analysis/

    Comment by Didier Stevens — Sunday 27 November 2016 @ 18:24

  8. how can I convert this .crt file to .pem

    Comment by supun — Wednesday 3 May 2017 @ 19:33


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