<PackageReference Include="SSH.NET" Version="2020.0.2" />

Renci.SshNet.PrivateKeyFile

public class PrivateKeyFile : IDisposable
Represents private key information.
namespace Renci.SshNet { public class PrivateKeyFile : IDisposable { public HostAlgorithm HostKey { get; } public PrivateKeyFile(Stream privateKey); public PrivateKeyFile(string fileName); public PrivateKeyFile(string fileName, string passPhrase); public PrivateKeyFile(Stream privateKey, string passPhrase); public void Dispose(); protected virtual void Dispose(bool disposing); } }