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(Unicode 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 <CkHttpW.h> #include <CkCertW.h> #include <CkCertChainW.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. CkHttpW http; // We're getting the SSL/TLS certificate, so make sure to connect to the SSL/TLS port (443). CkCertW sslCert; success = http.GetServerCert(L"apple.com",443,sslCert); if (success == false) { wprintf(L"%s\n",http.lastErrorText()); return; } CkCertChainW certChain; success = sslCert.BuildCertChain(certChain); if (success == false) { wprintf(L"%s\n",sslCert.lastErrorText()); return; } CkCertW cert; int i = 0; int numCerts = certChain.get_NumCerts(); while (i < numCerts) { certChain.CertAt(i,cert); wprintf(L"SubjectDN %d: %s\n",i,cert.subjectDN()); wprintf(L"IssuerDN %d: %s\n",i,cert.issuerDN()); 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) { CkCertW caCert; certChain.CertAt(numCerts - 1,caCert); wprintf(L"CA Root Cert: %s\n",caCert.subjectDN()); } } |
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