How to create sha256 csr on windows?


There is two ways to create sha256(SHA-2) csr in windows.

Install OpenSSL and read this article for more detail and follow instructions

I strongly advise to use OpenSSL. Because it’s easy and really good to manage this certificate life cycle. For example; If you need to create a SHA-2 CSR you just need to download OpenSSL binaries and then run these command sets.

#openssl req -out Casesup.csr -new -newkey rsa:2048 -nodes -keyout Casesup.key  -sha256

Use Microsoft management console (mmc)

I will briefly describe how to generate SHA-2 csr on the Windows server with MMC. It’s really hard to add a screenshot but let’s keep it clear.

Open Microsoft Management Console

Type MMC to the run and click OK.

 

Click Add/Remove Snap-in…

 

Add Certificate snap to the Control Panel

 

 

 

 

 

Create a Custom Request from Advanced Operations

Right-click on the blank page then All Tasks>Advanced Operations > Create Custom Request

 

Proceed Enrollment

 

Click detail box then properties

 

Define your CSR information like OU, Organization, DNS, Email, etc.

 

If you need to define certificate’s extensions then check these boxes

I’ll pass these steps because I don’t need to define any extensions.

 

Define key size and hash algorithm

The last and most important step will be defined as private key options on this page. You need to define key size 2048 and hash algorithm to SHA-2.

 

Save the CSR file and click Finish

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I'm a IT Infrastructure and Operations Architect with extensive experience and administration skills and works for Interbank Card Center Of Turkey(BKM). I provide hardware and software support for the IT Infrastructure and Operations tasks.

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