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(C++) Get the Server Certificate, Certificate Chain, and Root CA CertificateDemonstrates how to get the HTTP server certificate, its certificate chain, and the root CA certificate. Note: This example requires Chilkat v11.0.0 or greater.
#include <CkHttp.h> #include <CkCert.h> #include <CkCertChain.h> void ChilkatSample(void) { bool success = false; // This example assumes the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. CkHttp http; // We're getting the SSL/TLS certificate, so make sure to connect to the SSL/TLS port (443). CkCert sslCert; success = http.GetServerCert("apple.com",443,sslCert); if (success == false) { std::cout << http.lastErrorText() << "\r\n"; return; } CkCertChain certChain; success = sslCert.BuildCertChain(certChain); if (success == false) { std::cout << sslCert.lastErrorText() << "\r\n"; return; } CkCert cert; int i = 0; int numCerts = certChain.get_NumCerts(); while (i < numCerts) { certChain.CertAt(i,cert); std::cout << "SubjectDN " << i << ": " << cert.subjectDN() << "\r\n"; std::cout << "IssuerDN " << i << ": " << cert.issuerDN() << "\r\n"; i = i + 1; } // If the certificate chain reaches the root CA cert, then the last cert in the chain // is the root CA cert. if (certChain.get_ReachesRoot() == true) { CkCert caCert; certChain.CertAt(numCerts - 1,caCert); std::cout << "CA Root Cert: " << caCert.subjectDN() << "\r\n"; } } |
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