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(.NET Core C#) Import a PFX/P12 into the Windows Certificate StoresDemonstrates how to import the certificates contained in a .pfx/.p12 to the Windows certificate stores.
Chilkat.Cert primaryCert = new Chilkat.Cert(); // Load a PFX file into a certificate object. // The cert object will contain the certificate from the PFX that has a private key. // The certs in the chain of authentication (if contained in the PFX) are also loaded, // and can be accessed by getting the certificate chain (see below). // If the PFX did not include the issuer certs in the chain of authentication, then Chilkat will // automatically try to construct the issuer chain from the CA and intermedicate CA certs // already installed on the Windows system. string pfxPassword = "myPfxPassword"; bool success = primaryCert.LoadPfxFile("qa_data/pfx/somePfx.p12",pfxPassword); if (success == false) { Debug.WriteLine(primaryCert.LastErrorText); return; } Chilkat.CertChain certChain = primaryCert.GetCertChain(); if (primaryCert.LastMethodSuccess == false) { Debug.WriteLine(primaryCert.LastErrorText); return; } // If the certificate chain reaches the root CA cert, then the last cert in the chain // is the root CA cert. bool chainReachesRoot = certChain.ReachesRoot; if (chainReachesRoot == true) { Debug.WriteLine("The certificate chain reaches the root CA cert."); } Chilkat.Cert cert = null; int i = 0; int numCerts = certChain.NumCerts; while (i < numCerts) { cert = certChain.GetCert(i); Debug.WriteLine("SubjectDN " + Convert.ToString(i) + ": " + cert.SubjectDN); Debug.WriteLine("IssuerDN " + Convert.ToString(i) + ": " + cert.IssuerDN); Debug.WriteLine("--"); i = i + 1; } // The primary cert having the private key will be imported into the Current User "My" certificate store. // Any intermediate root certificates will be imported into certificate store for intermediate certificate authorities. // The root CA cert will be imported into the Root CA cert store. // Let's open each of these 3 certificate stores.. Chilkat.CertStore certStoreCU = new Chilkat.CertStore(); Chilkat.CertStore certStoreCA = new Chilkat.CertStore(); Chilkat.CertStore certStoreRootCA = new Chilkat.CertStore(); bool readOnlyFlag = false; // "CurrentUser" and "My" are the exact keywords to select your user account's certificate store. success = certStoreCU.OpenWindowsStore("CurrentUser","My",readOnlyFlag); if (success == false) { Debug.WriteLine("Failed to open the CurrentUser/My certificate store for read/write."); return; } // Certificate store for intermediate certification authorities (CAs). success = certStoreCA.OpenWindowsStore("CurrentUser","CertificationAuthority",readOnlyFlag); if (success == false) { Debug.WriteLine("Failed to open the CurrentUser/CertificationAuthority certificate store for read/write."); return; } // Certificate store for trusted root certification authorities (CAs). success = certStoreRootCA.OpenWindowsStore("CurrentUser","Root",readOnlyFlag); if (success == false) { Debug.WriteLine("Failed to open the CurrentUser/Root certificate store for read/write."); return; } // Iterate over the certs in the chain and import each into the desired certificate store. bool allSuccess = true; i = 0; while (i < numCerts) { cert = certChain.GetCert(i); if (i == 0) { // Import the primary certificate into the CurrentUser/My certificate store. success = certStoreCU.AddCertificate(cert); if (success == false) { Debug.WriteLine(certStoreCU.LastErrorText); allSuccess = false; } } else { if ((i == (numCerts - 1)) && (chainReachesRoot == true)) { // Add the root CA certificate to the CurrentUser/Root certificate store. // (Your application can obviously choose whether this should be done or not. Perhaps you prompt the user.) // Note: If the root CA cert is already present in the Windows certificate store, Windows will display // a dialog to ask if it should be deleted. Chilkat does not explicitly display dialogs. success = certStoreRootCA.AddCertificate(cert); if (success == false) { Debug.WriteLine(certStoreRootCA.LastErrorText); allSuccess = false; } } else { // This is an intermediate CA certificate. success = certStoreCA.AddCertificate(cert); if (success == false) { Debug.WriteLine(certStoreCA.LastErrorText); allSuccess = false; } } } if (success == false) { Debug.WriteLine("Failed to import certificate."); } i = i + 1; } Debug.WriteLine("allSuccess = " + Convert.ToString(allSuccess)); |
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