<PackageReference Include="SshNet.Security.Cryptography" Version="1.2.0" />

SshNet.Security.Cryptography.HMACSHA256

public class HMACSHA256 : HMAC
Computes a Hash-based Message Authentication Code (HMAC) by using the HMACSHA256 hash function.
namespace SshNet.Security.Cryptography { public class HMACSHA256 : HMAC { public HMACSHA256(byte[] key); public HMACSHA256(byte[] key, int hashSize); } }