CryptoConfigForwarder.cs

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using System.Diagnostics.CodeAnalysis;
using System.Reflection;
 
namespace System.Security.Cryptography;
 
internal static class CryptoConfigForwarder
{
    private static readonly Func<string, object> s_createFromName = BindCreateFromName();
 
    [RequiresUnreferencedCode("The default algorithm implementations might be removed, use strong type references like 'RSA.Create()' instead.")]
    private static Func<string, object> BindCreateFromName()
    {
        Type type = Type.GetType("System.Security.Cryptography.CryptoConfig, System.Security.Cryptography.Algorithms", throwOnError: true);
        MethodInfo method = type.GetMethod("CreateFromName", new Type[1] { typeof(string) });
        if (method == null)
        {
            throw new MissingMethodException(type.FullName, "CreateFromName");
        }
        return method.CreateDelegate<Func<string, object>>();
    }
 
    [RequiresUnreferencedCode("The default algorithm implementations might be removed, use strong type references like 'RSA.Create()' instead.")]
    internal static object CreateFromName(string name)
    {
        return s_createFromName(name);
    }
 
    internal static HashAlgorithm CreateDefaultHashAlgorithm()
    {
        throw new PlatformNotSupportedException(System.SR.Cryptography_DefaultAlgorithm_NotSupported);
    }
}