Installation of Always Encrypted Certificate

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Always Encrypted Certificate

Install the Visual C++ Redistributable Package as a prerequisite.

You can download the latest version from the official Microsoft site: (https://support.microsoft.com/en-ie/help/2977003/the-latest-supported-visual-c-downloads)

Install OpenSSL for Windows

Access the links to install OpenSSL binaries for Windows from the following site: (https://wiki.openssl.org/index.php/Binaries)

Download a version for Windows from the following link: (https://slproweb.com/products/Win32OpenSSL.html)

Follow the onscreen instructions to install the Win64OpenSSL_Light-1_1_0j.exe and select the option to copy the OpenSSL DLLs to The OpenSSL binaries (/bin) directory (https://slproweb.com/download/Win64OpenSSL_Light-1_1_0j.exe)

Open the openSSL.exe file.

Run the following command:

req -config C:\OpenSSL-Win64\bin\openssl.cfg -days 36525 -x509 -sha256 -nodes -newkey rsa:2048 -keyout AlwaysEncrypted.key -out AlwaysEncrypted.pem

Enter the relevant information when prompted

• Country Name
• State of Province Name
• Locality Name
• Organization Name
• Common Name (append AlwaysEncrypted for a quick and visual reference)
• Email address

The AlwaysEncrypted.key and AlwaysEncrypted.pem are created in the OpenSSL-Win64\bin directory.

Run the following command to export the certificate to the PFX format for Windows:

pkcs12 -export -out AlwaysEncrypted.pfx -inkey AlwaysEncrypted.key -in AlwaysEncrypted.pem

Enter and Verify the Export Password when prompted

N.B. Store this Password in a safe place. You will need this Password to import the Certificate later on.

The AlwaysEncrypted.pfx file is created in your OpenSSL-win64/bin directory.

Copy the AlwaysEncrypted.pfx to your database server having the SQL Server instance and double click on the file install the certificate.

The Certificate Import Wizard will open. Select the option for Local machine.

Select the previously generated AlwaysEncrypted.pfx file to import.

Enter the Password previously chosen during the export process.

Select the Automatically select the certificate store based on type of certificate option.

Click Finish to complete the installation of the Certificate.

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