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SFTP Public-Key Authentication

See more SFTP Examples

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

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Local $bSuccess = False

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

$oSftp = ObjCreate("Chilkat.SFtp")

;  Set some timeouts, in milliseconds:
$oSftp.ConnectTimeoutMs = 5000
$oSftp.IdleTimeoutMs = 15000

;  Connect to the SSH server.  
;  The standard SSH port = 22
;  The hostname may be a hostname or IP address.
Local $sHostname = "sftp.example.com"
Local $iPort = 22
$bSuccess = $oSftp.Connect($sHostname,$iPort)
If ($bSuccess <> True) Then
    ConsoleWrite($oSftp.LastErrorText & @CRLF)
    Exit
EndIf

$oKey = ObjCreate("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.)
Local $sPrivKey = $oKey.LoadText("myPrivateKey.pem")
If ($oKey.LastMethodSuccess <> True) Then
    ConsoleWrite($oKey.LastErrorText & @CRLF)
    Exit
EndIf

;  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.
$bSuccess = $oKey.FromOpenSshPrivateKey($sPrivKey)
If ($bSuccess <> True) Then
    ConsoleWrite($oKey.LastErrorText & @CRLF)
    Exit
EndIf

;  Authenticate with the SSH server.  Chilkat SFTP supports
;  both password-based authenication as well as public-key
;  authentication.  
$bSuccess = $oSftp.AuthenticatePk("myLogin",$oKey)
If ($bSuccess <> True) Then
    ConsoleWrite($oSftp.LastErrorText & @CRLF)
    Exit
EndIf

ConsoleWrite($oSftp.LastErrorText & @CRLF)
ConsoleWrite("Public-Key Authentication Successful!" & @CRLF)