C#
C#
Use a Custom Set of Trusted Root Certificates
See more Certificates Examples
Demonstrates how to build a set of trusted root certificates to be used globally by all Chilkat classes.Chilkat C# Downloads
bool success = false;
// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.
Chilkat.TrustedRoots trustedRoots = new Chilkat.TrustedRoots();
// Indicate that we will NOT trust any pre-installed certificates on the system.
trustedRoots.TrustSystemCaRoots = false;
// Thawte is a certificate authority that provides a .zip download of their
// root CA certificates: https://www.thawte.com/roots/index.html
// The direct download link is: https://www.verisign.com/support/thawte-roots.zip
// Note: The above URLs are valid at the time of writing this example (29-May-2015).
// Assuming the .zip has already been downloaded, open it and load each .pem file into
// our trusted roots object.
Chilkat.Zip zip = new Chilkat.Zip();
// Open a .zip containing PEM files, among other things..
success = zip.OpenZip("qa_data/certs/thawte-roots.zip");
if (success == false) {
Debug.WriteLine(zip.LastErrorText);
return;
}
Chilkat.ZipEntry entry = new Chilkat.ZipEntry();
string pemStr;
Chilkat.Cert cert = new Chilkat.Cert();
string pattern = "*.pem";
bool bHasMoreEntries = zip.EntryMatching(pattern,entry);
while (bHasMoreEntries == true) {
Debug.WriteLine("Entry: " + entry.FileName);
// Get the PEM of the CA cert:
pemStr = entry.UnzipToString(0,"utf-8");
// Load it into a certificate object:
success = cert.LoadPem(pemStr);
if (success != true) {
Debug.WriteLine(cert.LastErrorText);
}
// Add it to the trusted roots.
trustedRoots.AddCert(cert);
bHasMoreEntries = entry.GetNextMatch(pattern);
}
// Activate the trusted roots globally for all Chilkat objects.
// This call really shouldn't fail, so we're not checking the return value.
success = trustedRoots.Activate();