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To generate a Certificate Signing Request (CSR), a key pair must be created for the server. These two items are a public key and a private key pair and cannot be separated. WAMP server (Wampserver) is built off Apache which is a very customizable environment, your system may differ. Below are generalized instructions. The utility “openssl” is used to generate the key and CSR. This utility comes with the with Wampserver and can be found in the following folder typically on your windows system.


Note: Locations may vary in different installations of Wampserver. Since Wampserver is built off Apache the instructions below are generalized. Apache is a very customizable environment and you will need to do the needful and apply these instructions to your own particular environment.

To use openssl.exe, you need to open a command prompt, then navigate to the directory where it’s located to run commands. Alternatively, you can add the directory the windows. Then you can run OpenSSL from any directory; it will save a lot of typing if you set it up this way.

To generate a CSR on WAMP perform the following.

Step 1: Generating your private key pair:
Creating your private key. 

  1. On the Apache system type the following command at the prompt.
    openssl genrsa -out privatekeyfilename.key 2048

Step 2: Generating your CSR:
Creating your CSR from the private key you just created. 

  1. Type the following command at the prompt.
    Note: If using openSSL on Windows, you may need to specify the path to openssl.cnf such as the following: openssl req -new -key privatekeyfilename.key -config “c:\Apache Software Foundation\Apache2.2\conf\openssl.cnf” -out csrfilename.csr

    openssl req -new -key privatekeyfilename.key -out csrfilename.csr


  2. Specify the Requested information as it pertains to your organization and system:
    • Country Name: Use the two-letter code without punctuation for country, for example: US or CA.
    • State or Province: Spell out the state completely; do not abbreviate the state or province name, for example: Massachusetts
    • Locality or City: The Locality field is the city or town name, for example: Boston. Do not abbreviate. For example: Saint Louis, not St. Louis
    • Company: If the company or department has an &, @, or any other symbol using the shift key in its name, the symbol must be spelled out or omitted, in order to enroll. Example: XY & Z Corporation would be XYZ Corporation or XY and Z Corporation.
    • Organizational Unit: The Organizational Unit (OU) field is the name of the department or organization unit making the request. To skip the OU field, press Enter on the keyboard.
    • Common Name: The fully-qualified domain name, or URL, you’re securing. for example www.domain.com”. If you are requesting a Wildcard certificate, add an asterisk (*) to the left of the common name where you want the wildcard, for example *.domain.com.
    • Note: You might be prompted to associate a password for your CSR. Leave this blank and press Enter. Associating a password with your CSR will encrypt it and will cause issues with enrollment.Example:

A public/private key pair has now been created. The private key (www.domain.com.key) is stored locally on the server (remember its location and name as it will be required for Installation). The public portion, in the form of a csr (request.csr), will be used enrollment.

Your private key pair has now been created on this system. Your CSR request has been created and is ready for you to copy and paste its contents into the enrollment portal.

If you are unable to use these instructions for your server, Acmetek recommends that you contact either the vendor of your software or the organization that supports it.

For installation instructions for Wamp click here.

WampServer Support:

For more information refer to WampServer

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