public static X509CertificateCollection CollectCertificates()
{
lock (locker)
{
//check cache
if (cached_Certificates == null || (DateTime.Now - cache_Certificate_timestamp).TotalSeconds > 30)
{
var certs = new X509CertificateCollection();
//collect auth root store certs
try
{
//open auth root store
var store = new X509Store(StoreName.AuthRoot);
store.Open(OpenFlags.ReadOnly);
//collect
certs.AddFromSource(store.Certificates);
//close
store.Close();
}
catch (Exception ex) { DebugEx.Assert(ex, "Could not collect certificates"); }
//collect personal store
try
{
//open personal store
var store = new X509Store(StoreName.My);
store.Open(OpenFlags.ReadOnly);
//collect certs
certs.AddFromSource(store.Certificates);
//close stores
store.Close();
}
catch (Exception ex) { DebugEx.Assert(ex, "Could not collect certificates"); }
//cache for future use
cached_Certificates = certs;
cache_Certificate_timestamp = DateTime.Now;
}
//return cached certs
return cached_Certificates;
}
}
