(VBScript) SFTP Public-Key Authentication

Demonstrates how to authenticate with an SSH/SFTP server using publickey authentication.

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

Dim fso, outFile
Set fso = CreateObject("Scripting.FileSystemObject")
'Create a Unicode (utf-16) output text file.
Set outFile = fso.CreateTextFile("output.txt", True, True)

' This example assumes the Chilkat API to have been previously unlocked.
' See Global Unlock Sample for sample code.

' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.SFtp")
set sftp = CreateObject("Chilkat.SFtp")

' Set some timeouts, in milliseconds:
sftp.ConnectTimeoutMs = 5000
sftp.IdleTimeoutMs = 15000

' Connect to the SSH server.  
' The standard SSH port = 22
' The hostname may be a hostname or IP address.
hostname = "sftp.example.com"
port = 22
success = sftp.Connect(hostname,port)
If (success <> 1) Then
    outFile.WriteLine(sftp.LastErrorText)
    WScript.Quit
End If

' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.SshKey")
set key = CreateObject("Chilkat.SshKey")

' Load a PEM file into a string variable:
' (This does not load the PEM file into the key.  The LoadText
' method is a convenience method for loading the full contents of ANY text
' file into a string variable.)
privKey = key.LoadText("myPrivateKey.pem")
If (key.LastMethodSuccess <> 1) Then
    outFile.WriteLine(key.LastErrorText)
    WScript.Quit
End If

' Load a private key from a PEM string:
' (Private keys may be loaded from OpenSSH and Putty formats.
' Both encrypted and unencrypted private key file formats
' are supported.  This example loads an unencrypted private
' key in OpenSSH format.
success = key.FromOpenSshPrivateKey(privKey)
If (success <> 1) Then
    outFile.WriteLine(key.LastErrorText)
    WScript.Quit
End If

' Authenticate with the SSH server.  Chilkat SFTP supports
' both password-based authenication as well as public-key
' authentication.  
success = sftp.AuthenticatePk("myLogin",key)
If (success <> 1) Then
    outFile.WriteLine(sftp.LastErrorText)
    WScript.Quit
End If

outFile.WriteLine(sftp.LastErrorText)
outFile.WriteLine("Public-Key Authentication Successful!")

outFile.Close