<PackageReference Include="SshNet.Security.Cryptography" Version="1.1.0-beta1" />

HMACSHA1

public class HMACSHA1 : HMAC
Computes a Hash-based Message Authentication Code (HMAC) by using the SHA1 hash function.
public HMACSHA1(byte[] key)

Initializes a HMACSHA1 with the specified key.

public HMACSHA1(byte[] key, int hashSize)

Initializes a HMACSHA1 with the specified key and size of the computed hash code.