This article is a good reference - How To Select Client Certificate in WinInet
HTTPSendRequest will fail with error code - ERROR_INTERNET_CLIENT_AUTH_CERT_NEEDED (12044) if it needs a valid client certificate.
When the error comes: 1. Open the Microsoft certificate store - CertOpenSore
2. Find the certificate using - CertFindCertificateInStore() and get the CERT_CONTEXT
3. Use InternetSetOption with parameter - INTERNET_OPTION_CLIENT_CERT_CONTEXT. LPVOID). lpBuffer parameter should point to CERT_CONTEXT structure.
The KB article provided in the link was very much helpful to me.
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- Anoop G
- Predictably Unpredicatble, lazy, careless, sincere, honest, caring, Trouble maker, emotional, likeable
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