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(Xojo Plugin) 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.
Dim success As Boolean success = False // This example assumes the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. Dim http As New Chilkat.Http // We're getting the SSL/TLS certificate, so make sure to connect to the SSL/TLS port (443). Dim sslCert As New Chilkat.Cert success = http.GetServerCert("apple.com",443,sslCert) If (success = False) Then System.DebugLog(http.LastErrorText) Return End If Dim certChain As New Chilkat.CertChain success = sslCert.BuildCertChain(certChain) If (success = False) Then System.DebugLog(sslCert.LastErrorText) Return End If Dim cert As New Chilkat.Cert Dim i As Int32 i = 0 Dim numCerts As Int32 numCerts = certChain.NumCerts While i < numCerts success = certChain.CertAt(i,cert) System.DebugLog("SubjectDN " + Str(i) + ": " + cert.SubjectDN) System.DebugLog("IssuerDN " + Str(i) + ": " + cert.IssuerDN) i = i + 1 Wend // If the certificate chain reaches the root CA cert, then the last cert in the chain // is the root CA cert. If (certChain.ReachesRoot = True) Then Dim caCert As New Chilkat.Cert success = certChain.CertAt(numCerts - 1,caCert) System.DebugLog("CA Root Cert: " + caCert.SubjectDN) End If |
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