public void RemoveRange(X509Certificate2Collection certificates)
{
if (certificates == null)
{
throw new ArgumentNullException("certificates");
}
int num = 0;
try
{
X509Certificate2Enumerator enumerator = certificates.GetEnumerator();
while (enumerator.MoveNext())
{
X509Certificate2 current = enumerator.Current;
this.Remove(current);
num++;
}
}
catch
{
for (int i = 0; i < num; i++)
{
this.Add(certificates[i]);
}
throw;
}
}
private X509Certificate2 SelectBestFromCollection(X509Certificate2 child, X509Certificate2Collection c)
{
switch (c.Count)
{
case 0:
return(null);
case 1:
return(c[0]);
default:
{
X509Certificate2Collection x509Certificate2Collection = c.Find(X509FindType.FindByTimeValid, ChainPolicy.VerificationTime, validOnly: false);
switch (x509Certificate2Collection.Count)
{
case 0:
x509Certificate2Collection = c;
break;
case 1:
return(x509Certificate2Collection[0]);
}
string authorityKeyIdentifier = GetAuthorityKeyIdentifier(child);
if (string.IsNullOrEmpty(authorityKeyIdentifier))
{
return(x509Certificate2Collection[0]);
}
X509Certificate2Enumerator enumerator = x509Certificate2Collection.GetEnumerator();
while (enumerator.MoveNext())
{
X509Certificate2 current = enumerator.Current;
string subjectKeyIdentifier = GetSubjectKeyIdentifier(current);
if (authorityKeyIdentifier == subjectKeyIdentifier)
{
return(current);
}
}
return(x509Certificate2Collection[0]);
}
}
}
internal static System.Security.Cryptography.SafeCertStoreHandle ExportToMemoryStore(X509Certificate2Collection collection)
{
new StorePermission(StorePermissionFlags.AllFlags).Assert();
System.Security.Cryptography.SafeCertStoreHandle invalidHandle = System.Security.Cryptography.SafeCertStoreHandle.InvalidHandle;
invalidHandle = CAPI.CertOpenStore(new IntPtr(2L), 0x10001, IntPtr.Zero, 0x2200, null);
if ((invalidHandle == null) || invalidHandle.IsInvalid)
{
throw new CryptographicException(Marshal.GetLastWin32Error());
}
X509Certificate2Enumerator enumerator = collection.GetEnumerator();
while (enumerator.MoveNext())
{
X509Certificate2 current = enumerator.Current;
if (!CAPI.CertAddCertificateLinkToStore(invalidHandle, current.CertContext, 4, System.Security.Cryptography.SafeCertContextHandle.InvalidHandle))
{
throw new CryptographicException(Marshal.GetLastWin32Error());
}
}
return(invalidHandle);
}