Chilkat Examples

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Visual Basic 6.0 Examples

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(Visual Basic 6.0) SFTP Public-Key Authentication

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

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

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

Dim sftp As New ChilkatSFtp

' 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.
Dim hostname As String
hostname = "sftp.example.com"
Dim port As Long
port = 22
Dim success As Long
success = sftp.Connect(hostname,port)
If (success <> 1) Then
    Debug.Print sftp.LastErrorText
    Exit Sub
End If

Dim key As New ChilkatSshKey

' 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.)
Dim privKey As String
privKey = key.LoadText("myPrivateKey.pem")
If (key.LastMethodSuccess <> 1) Then
    Debug.Print key.LastErrorText
    Exit Sub
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
    Debug.Print key.LastErrorText
    Exit Sub
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
    Debug.Print sftp.LastErrorText
    Exit Sub
End If

Debug.Print sftp.LastErrorText
Debug.Print "Public-Key Authentication Successful!"

 

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