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(Unicode C) Use a Smart Card Certificate + Private Key for SSL/TLS AuthenticationSee more ScMinidriver ExamplesDemonstrates how to use a certificate + private key located on a smart card for the TLS client certificate in an HTTPS request.
#include <C_CkScMinidriverW.h> #include <C_CkCertW.h> #include <C_CkHttpW.h> void ChilkatSample(void) { HCkScMinidriverW scmd; const wchar_t *readerName; BOOL success; int retval; const wchar_t *certPart; const wchar_t *partValue; HCkCertW cert; HCkHttpW http; const wchar_t *responseBody; // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. scmd = CkScMinidriverW_Create(); // Reader names (smart card readers or USB tokens) can be discovered // via List Readers or Find Smart Cards readerName = L"SCM Microsystems Inc. SCR33x USB Smart Card Reader 0"; success = CkScMinidriverW_AcquireContext(scmd,readerName); if (success == FALSE) { wprintf(L"%s\n",CkScMinidriverW_lastErrorText(scmd)); CkScMinidriverW_Dispose(scmd); return; } // If successful, the name of the currently inserted smart card is available: wprintf(L"Card name: %s\n",CkScMinidriverW_cardName(scmd)); // If desired, perform regular PIN authentication with the smartcard. // For more details about smart card PIN authentication, see the Smart Card PIN Authentication Example retval = CkScMinidriverW_PinAuthenticate(scmd,L"user",L"000000"); if (retval != 0) { wprintf(L"PIN Authentication failed.\n"); } // You can find a cerficate using any of the following certificate parts: // "subjectDN" -- The full distinguished name of the cert. // "subjectDN_withTags" -- Same as above, but in a format that includes the subject part tags, such as the "CN=" in "CN=something" // "subjectCN" -- The common name part (CN) of the certificate's subject. // "serial" -- The certificate serial number. // "serial:issuerCN" -- The certificate serial number + the issuer's common name, delimited with a colon char. // These are the same certificate parts that can be retrieved by listing certificates on the smart card (or USB token). // See List Certificates on Smart Card Example certPart = L"subjectCN"; partValue = L"BadSSL Client Certificate"; // If the certificate is found, it is loaded into the cert object. // Note: We imported this certificate from a .p12/.pfx using this Example to Import a .pfx/.p12 onto a Smart Card cert = CkCertW_Create(); success = CkScMinidriverW_FindCert(scmd,certPart,partValue,cert); if (success == FALSE) { wprintf(L"Failed to find the certificate.\n"); CkScMinidriverW_DeleteContext(scmd); CkScMinidriverW_Dispose(scmd); CkCertW_Dispose(cert); return; } wprintf(L"Successfully loaded the cert object from the smart card / USB token.\n"); // Note: When successful, the cert object is internally linked to the ScMinidriver object's authenticated session. // The cert object can now be used to sign or do other cryptographic operations that occur on the smart card / USB token. // If your application calls PinDeauthenticate or DeleteContext, the cert will no longer be able to sign on the smart card // because the smart card ScMinidriver session will no longer be authenticated or deleted. // ------------------------------------------------------------------------------------------------------------ // Send an HTTPS request to https://client.badssl.com // https://client.badssl.com (part of the badssl.com service) lets you test authentication using client SSL certificates. // The client certificate can be downloaded from https://badssl.com/download/. // This server returns 200 OK if the correct client certificate is provided, and 400 Bad Request otherwise. http = CkHttpW_Create(); // Provide the client certificate (linked internally to our authenticated smartcard session) success = CkHttpW_SetSslClientCert(http,cert); if (success == FALSE) { wprintf(L"%s\n",CkHttpW_lastErrorText(http)); CkScMinidriverW_DeleteContext(scmd); CkScMinidriverW_Dispose(scmd); CkCertW_Dispose(cert); CkHttpW_Dispose(http); return; } responseBody = CkHttpW_quickGetStr(http,L"https://client.badssl.com/"); if (CkHttpW_getLastMethodSuccess(http) == FALSE) { wprintf(L"%s\n",CkHttpW_lastErrorText(http)); CkScMinidriverW_DeleteContext(scmd); CkScMinidriverW_Dispose(scmd); CkCertW_Dispose(cert); CkHttpW_Dispose(http); return; } wprintf(L"Response status code: %d\n",CkHttpW_getLastStatus(http)); wprintf(L"Response body: \n"); wprintf(L"%s\n",responseBody); // ------------------------------------------------------------------------------------------------------------ // Cleanup our ScMinidriver session... // When finished with operations that required authentication, you may if you wish, deauthenticate the session. success = CkScMinidriverW_PinDeauthenticate(scmd,L"user"); if (success == FALSE) { wprintf(L"%s\n",CkScMinidriverW_lastErrorText(scmd)); } // Delete the context when finished with the card. success = CkScMinidriverW_DeleteContext(scmd); if (success == FALSE) { wprintf(L"%s\n",CkScMinidriverW_lastErrorText(scmd)); } CkScMinidriverW_Dispose(scmd); CkCertW_Dispose(cert); CkHttpW_Dispose(http); } |
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