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Using WS_FTP Self-signed Certificate file (.crt) and Private Key File. (.key)

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Demonstrates how to use a self-signed certificate created by WS_FTP with Chilkat FTP2.

Note: It is usually not necessary for the FTP client to use a client-side certificate. Most FTP servers using SSL and TLS connections (explicit or implicit) do not require client-side certs. In addition, some high-security FTP servers require "real" certificates -- meaning certificates issued by a real certificate authority with a chain of authentication that leads to a trusted root certificate. The certificates created by WS_FTP are self-signed and untrusted.

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Local $bSuccess = False

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

; Important:  Before running this program, convert your
; .crt and .key files to a .p12 using OpenSSL:
; The command is this:
; openssl pkcs12 -export -in test.crt -inkey test.key -out test.p12
; 

$oFtp = ObjCreate("Chilkat.Ftp2")

$oFtp.Hostname = "ftp.example.com"
$oFtp.Port = 21
$oFtp.Username = "testLogin"
$oFtp.Password = "testPassword"

; This example will use explict TLS/SSL.
; Establish an explicit secure channel after connection
; on the standard FTP port 21.
$oFtp.AuthTls = True

; The Ssl property is for establishing an implicit SSL connection
; on port 990.  Because this example uses explicit SSL, it 
; should remain False.
$oFtp.Ssl = False

; Create an instance of a certificate store object, load a .p12 file,
; locate the certificate we need, and use it for signing.
; (a P12/PFX file may contain more than one certificate.)
$oCertStore = ObjCreate("Chilkat.CertStore")
; The 1st argument is the filename, the 2nd arg is the 
; .p12 file's password.  (OpenSSL will prompty you to set a password
; when converting the .crt and .key into a .p12).
$bSuccess = $oCertStore.LoadPfxFile("test.p12","secret")
If ($bSuccess <> True) Then
    ConsoleWrite($oCertStore.LastErrorText & @CRLF)
    Exit
EndIf

$oJsonCN = ObjCreate("Chilkat.JsonObject")
$oJsonCN.UpdateString("CN","cert common name")

$oCert = ObjCreate("Chilkat.Cert")
$bSuccess = $oCertStore.FindCert($oJsonCN,$oCert)
If ($bSuccess = False) Then
    ConsoleWrite($oCertStore.LastErrorText & @CRLF)
    Exit
EndIf

$bSuccess = $oFtp.SetSslClientCert($oCert)

; Connect and login to the FTP server.
$bSuccess = $oFtp.Connect()
If ($bSuccess <> True) Then
    ConsoleWrite($oFtp.LastErrorText & @CRLF)
    Exit
Else
    ; LastErrorText contains information even when
    ; successful. This allows you to visually verify
    ; that the secure connection actually occurred.
    ConsoleWrite($oFtp.LastErrorText & @CRLF)
EndIf

ConsoleWrite("Secure FTP Channel Established!" & @CRLF)
ConsoleWrite($oFtp.LastErrorText & @CRLF)

; Do whatever you're doing to do ...
; upload files, download files, etc...

; ...
; ...

$bSuccess = $oFtp.Disconnect()