经过一些研究，我找到了解决方案。 希望它能帮助别人。

应使用键盘交互式身份validation ，并使用以下函数覆盖AuthenticationPrompt事件

 void HandleKeyEvent(Object sender, AuthenticationPromptEventArgs e) { foreach (AuthenticationPrompt prompt in e.Prompts) { if (prompt.Request.IndexOf("Password:", StringComparison.InvariantCultureIgnoreCase) != -1) { prompt.Response = password; } } } 

函数调用代码：

 KeyboardInteractiveAuthenticationMethod kauth = new KeyboardInteractiveAuthenticationMethod(username); PasswordAuthenticationMethod pauth = new PasswordAuthenticationMethod(username, password); kauth.AuthenticationPrompt += new EventHandler(HandleKeyEvent); ConnectionInfo connectionInfo = new ConnectionInfo(serverName, port, username, pauth, kauth); sshClient = new SshClient(connectionInfo); sshClient.Connect(); 

我把整个事情封装起来，以便更容易使用。 警告：还没有实现try / catch！ DLL可在此处获取： https： //sshnet.codeplex.com/releases/view/120504使用SLES（11.1 64），Debian（6），AIX（5.3,6.1,7）进行测试

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 using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Windows.Forms; using Renci.SshNet; using Renci.SshNet.Common; namespace SSH2 { public partial class Form1 : Form { public Form1() { InitializeComponent(); SSH client = new SSH("servername", "username", "password"); MessageBox.Show(client.command("ls -la /")); } } public class SSH { string servername; int port; string username; string password; SshClient Server = null; public SSH(string servername, int port, string username, string password) { this.servername = servername; this.port = port; this.username = username; this.password = password; this.init(); } public SSH(string servername, string username, string password) { this.servername = servername; this.port = 22; this.username = username; this.password = password; this.init(); } private void init() { KeyboardInteractiveAuthenticationMethod kauth = new KeyboardInteractiveAuthenticationMethod(this.username); PasswordAuthenticationMethod pauth = new PasswordAuthenticationMethod(this.username, this.password); kauth.AuthenticationPrompt += new EventHandler(HandleKeyEvent); this.Server = new SshClient(new ConnectionInfo(this.servername, this.port, this.username, pauth, kauth)); } void HandleKeyEvent(Object sender, AuthenticationPromptEventArgs e) { foreach (AuthenticationPrompt prompt in e.Prompts) { if (prompt.Request.IndexOf("Password:", StringComparison.InvariantCultureIgnoreCase) != -1) { prompt.Response = this.password; } } } public string command(string cmd) { this.Server.Connect(); var output = this.Server.RunCommand(cmd); this.Server.Disconnect(); return output.Result; } } }