Classic ASP
SFTP Authenticate Secure

Demonstrates how to do SFTP password authentication with secure strings.
This example requires Chilkat v9.5.0.71 or greater.
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Classic ASP
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
</head>
<body>
<%
success = 0

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

' Imagine we've previously saved our encrypted login and password within a JSON config file
' that contains this:

' {
'   "ssh_login": "2+qylFfC56Ck7OQQt/U2/w==",
'   "ssh_password": "5neIq9Jmn0E3p71N6Yc8TA=="
' }

set json = Server.CreateObject("Chilkat.JsonObject")
success = json.LoadFile("qa_data/passwords/ssh.json")

set crypt = Server.CreateObject("Chilkat.Crypt2")

' These are the encryption settings we previously used to encrypt the credentials within the JSON config file.
crypt.CryptAlgorithm = "aes"
crypt.CipherMode = "cbc"
crypt.KeyLength = 128
crypt.SetEncodedKey "000102030405060708090A0B0C0D0E0F","hex"
crypt.SetEncodedIV "000102030405060708090A0B0C0D0E0F","hex"
crypt.EncodingMode = "base64"

set ssLogin = Server.CreateObject("Chilkat.SecureString")
set ssPassword = Server.CreateObject("Chilkat.SecureString")

' Decrypt to the secure string.  (the strings will still held in memory encrypted, but are now encrypted using
' a randomly generated session key.)
success = crypt.DecryptSecureENC(json.StringOf("ssh_login"),ssLogin)
success = crypt.DecryptSecureENC(json.StringOf("ssh_password"),ssPassword)

set sftp = Server.CreateObject("Chilkat.SFtp")

success = sftp.Connect("MY-SSH-SERVER-DOMAIN-OR-IP",22)
If (success <> 1) Then
    Response.Write "<pre>" & Server.HTMLEncode( sftp.LastErrorText) & "</pre>"
    Response.End
End If

' Authenticate using secure strings
success = sftp.AuthenticateSecPw(ssLogin,ssPassword)
If (success <> 1) Then
    Response.Write "<pre>" & Server.HTMLEncode( sftp.LastErrorText) & "</pre>"
    Response.End
End If

Response.Write "<pre>" & Server.HTMLEncode( "SFTP Authentication successful.") & "</pre>"

sftp.Disconnect 

%>
</body>
</html>