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(Unicode C) Socket TLS Mutual Authentication (Client-Side Certificate)This example demonstrates how to provide a client-side certificate, also known as "two-way authentication" or "mutual authentication" for servers that require a client certificate.
#include <C_CkSocketW.h> void ChilkatSample(void) { HCkSocketW sock; BOOL success; BOOL bTls; int port; int maxWaitMs; // This example assumes the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. sock = CkSocketW_Create(); // Set the certificate to be used for mutual TLS authentication // (i.e. sets the client-side certificate for two-way TLS authentication) success = CkSocketW_SetSslClientCertPfx(sock,L"/home/bob/pfxFiles/myClientSideCertWithPrivateKey.pfx",L"pfxPassword"); if (success != TRUE) { wprintf(L"%s\n",CkSocketW_lastErrorText(sock)); CkSocketW_Dispose(sock); return; } // Note: The certificate used for the client-side of TLS mutual authentication // must have the associated private key available. (.pfx/.p12 files typically store both // the certificate and associated private key.) // Establish the connection using the socket object (with client certificate authentication). bTls = TRUE; port = 443; maxWaitMs = 5000; success = CkSocketW_Connect(sock,L"www.example.com",port,bTls,maxWaitMs); if (success != TRUE) { wprintf(L"Connect Failure Error Code: %d\n",CkSocketW_getConnectFailReason(sock)); wprintf(L"%s\n",CkSocketW_lastErrorText(sock)); CkSocketW_Dispose(sock); return; } // At this point, the Socket object is connected and authenticated using the client-side cert // ... // .. CkSocketW_Dispose(sock); } |
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