How to implement a client application to import certificate?

Hi,
We write a small application(in VC) to import the user's PKCS#12 certificate to their browsers(no matter what browsers, IE,firefox,chrome,opera...) automatically to minimize user's manual operation.
Now it can import PKCS#12 to CertStore of Microsoft, which means support IE/Chrome/Opera.
But how can I import a pfx to FireFox in programm?
I only found certutil.exe, but we prefered API and libraries which can link into our application.
Is this viable? Where can I find such APIs? I read NSS reference, it seems not what I want.
Or you have other suggestions?
Thank you in advance.

Hello,
Based on your response, you are looking for a C++ application that can import the certificate into Mozilla's certificate store. Is that correct? If so, you can use the NSS APIs[1] to do this. There is a certificate import API in NSS[2] that can be used to implement this. You will need to initialize the certificate store and then import the required certificate. I was also able to locate a StackOverflow link[3] that can help you in this. Please let us know if this helps you in importing the certificates. Also have provided reference for a Javascript API for doing the same thing [4].
# [https://developer.mozilla.org/en-US/docs/NSS/Certificate_functions NSS Certificate functions]
# [http://mxr.mozilla.org/security/ident?i=CERT_ImportCerts MXR reference for CERT_ImportCerts]
# [http://stackoverflow.com/questions/1435000/programmatically-install-certificate-into-mozilla StackOverflow's link for NSS cert import]
#[https://developer.mozilla.org/en-US/docs/JavaScript_crypto/importUserCertificates Javascript API to import certificates]
Hope this helps in your application. Please do respond if you need further assistance and I will see if I can locate any test code.

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