Classic ASP
SFTP Public-Key Authentication

Demonstrates how to authenticate with an SSH/SFTP server using publickey authentication.
Chilkat Classic ASP Downloads

Classic ASP
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
</head>
<body>
<%
success = 0

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

set sftp = Server.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
    Response.Write "<pre>" & Server.HTMLEncode( sftp.LastErrorText) & "</pre>"
    Response.End
End If

set key = Server.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
    Response.Write "<pre>" & Server.HTMLEncode( key.LastErrorText) & "</pre>"
    Response.End
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
    Response.Write "<pre>" & Server.HTMLEncode( key.LastErrorText) & "</pre>"
    Response.End
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
    Response.Write "<pre>" & Server.HTMLEncode( sftp.LastErrorText) & "</pre>"
    Response.End
End If

Response.Write "<pre>" & Server.HTMLEncode( sftp.LastErrorText) & "</pre>"
Response.Write "<pre>" & Server.HTMLEncode( "Public-Key Authentication Successful!") & "</pre>"

%>
</body>
</html>