net11.0 
namespace System.Security.Cryptography.Cose
{
    public abstract class CoseMessage
    {
        public static CoseSign1Message! DecodeSign1(ReadOnlySpan<byte> cborPayload);
    }
}
Design Reviews
.NET
10.011.0
.NET Framework
4.6.24.74.7.14.7.24.84.8.1
Information specific to net11.0
Assembly

System.Security.Cryptography.Cose , Version=11.0.0.0, PublicKeyToken=cc7b13ffcd2ddd51

Referencing

Your project needs a package reference to System.Security.Cryptography.Cose.

Package System.Security.Cryptography.Cose (11.0.0-preview.5.26302.115) net11.0
Preview This API is contained in a prerelease package.
Platform Restrictions

This API is supported on any platform except for these:

  • Browser
  • wasi
  • Built-in API
  • Package-provided API