public static AsymmetricAlgorithm GetAnyPublicKey(this X509Certificate2 c)
{
AsymmetricAlgorithm a;
a = c.GetRSAPublicKey();
if (a != null)
{
return(a);
}
a = c.GetDSAPublicKey();
if (a != null)
{
return(a);
}
a = c.GetECDsaPublicKey();
if (a != null)
{
return(a);
}
throw new NotSupportedException(SecurityResources.GetResourceString("NotSupported_KeyAlgorithm"));
}