/// <summary>Extension method which initializes an RSACryptoServiceProvider from a PEM public key string.</summary>
public static void LoadPublicKeyPEM(RSACryptoServiceProvider provider, string sPEM)
{
byte[] DERData = RSACryptoServiceProviderExtension.GetDERFromPEM(sPEM);
RSACryptoServiceProviderExtension.LoadPublicKeyDER(provider, DERData);
}