Friday, 14 March 2014

OpenSSL: Decode Certificate Signing Request (CSR)

To decode a certificate signing request (CSR):

Copy or move the csr file to C:\

Download and install OpenSSL from
For example: openssl-0.9.8h-1-setup.exe

Open a command prompt and change to the following directory:

cd "C:\Program Files (x86)\GnuWin32\bin"

Run the following command:

openssl req -config "C:\Program Files (x86)\GnuWin32\share\openssl.cnf" -in c:\certrequest.csr -noout -text

If decoding an Exchange Server CSR you may the following message: unable to load X509 request

Edit the csr file to remove the blank line at the end of the request.



Sunday, 2 March 2014

Windows 8: Mount ISO Option Missing

To mount an ISO within Windows 8, right click the ISO and select Mount.
If the Mount option is missing, it can be caused by 7Zip being associated with the .iso file extension.

To resolve:

Right click the .iso file
Select Properties
Click Change under the "General" tab
Select Windows Explorer and then OK
Right click the .iso file and click Mount