<PackageReference Include="Microsoft.Bcl.Cryptography" Version="11.0.0-rc.3.26522.148" />

System.Security.Cryptography.HpkeKdf

public enum HpkeKdf
Specifies a key derivation function (KDF) for an HPKE cipher suite.
namespace System.Security.Cryptography { public enum HpkeKdf { HKDF_SHA256 = 1, HKDF_SHA384 = 2, HKDF_SHA512 = 3, SHAKE128 = 16, SHAKE256 = 17 } }