Sample code for 30+ languages & platforms
AutoIt

Load an SSH Key from a File (Many Formats Supported)

Demonstrates how to load an SSH public or private key object from a file. The file can be in any of the following formats:
  • OpenSSH private key
  • OpenSSH public key
  • PuTTY private key
  • RFC 4716 public key

Chilkat AutoIt Downloads

AutoIt
Local $bSuccess = False

$oSshkey = ObjCreate("Chilkat.SshKey")

; First, use the LoadText convenience method to load a text file (of any SSH key format)
; into a string:
Local $strKey = $oSshkey.LoadText("../mySshKeys/myKey.txt")

; Next, load the key into the SSH key object.

; If the key is an OpenSSH private key:
; (In actuality, the From* methods will automatically detect the format and load
; the key correctly.  For example, if a PuTTY private key is passed to FromOpenSshPrivateKey,
; it  will still load correctly.)
$bSuccess = $oSshkey.FromOpenSshPrivateKey($strKey)
If ($bSuccess <> True) Then
    ConsoleWrite($oSshkey.LastErrorText & @CRLF)
Else
    ConsoleWrite("Loaded OpenSSH private key." & @CRLF)
    Exit
EndIf

; If the key is an OpenSSH public key:
$bSuccess = $oSshkey.FromOpenSshPublicKey($strKey)
If ($bSuccess <> True) Then
    ConsoleWrite($oSshkey.LastErrorText & @CRLF)
Else
    ConsoleWrite("Loaded OpenSSH public key." & @CRLF)
    Exit
EndIf

; If the key is a PuTTY private key:
$bSuccess = $oSshkey.FromPuttyPrivateKey($strKey)
If ($bSuccess <> True) Then
    ConsoleWrite($oSshkey.LastErrorText & @CRLF)
Else
    ConsoleWrite("Loaded PuTTY private key." & @CRLF)
    Exit
EndIf

; If the key is an RFC 4716 public key:
$bSuccess = $oSshkey.FromRfc4716PublicKey($strKey)
If ($bSuccess <> True) Then
    ConsoleWrite($oSshkey.LastErrorText & @CRLF)
Else
    ConsoleWrite("Loaded RFC 4716 public key." & @CRLF)
EndIf