(Visual Basic 6.0) SSH HSM Public Key Authentication

Demonstrates how to authenticate with an SSH server using public key authentication using an HSM (USB token or smartcard).

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.

' Note: Chilkat's PKCS11 implementation runs on Windows, Linux, MacOs, and other supported operating systems.

Dim pkcs11 As New ChilkatPkcs11

' This would be a path to a .dylib on MacOS, or a path to a .so shared lib on Linux.
pkcs11.SharedLibPath = "C:/Program Files (x86)/Gemalto/IDGo 800 PKCS#11/IDPrimePKCS1164.dll"
Dim pin As String
pin = "0000"
Dim userType As Long
userType = 1

' Establish a PKCS11 logged-on session using the driver (.so, .dylib, or .dll) as specified in the SharedLibPath above.
Dim success As Long
success = pkcs11.QuickSession(userType,pin)
If (success = 0) Then
    Debug.Print pkcs11.LastErrorText
    Exit Sub
End If

' Set PKCS11 attributes to find our desired private key object.
Dim json As New ChilkatJsonObject
success = json.UpdateString("class","private_key")
success = json.UpdateString("label","MySshKey")

' Get the PKCS11 handle to the private key located on the HSM.
Dim priv_handle As Long
priv_handle = pkcs11.FindObject(json)

' Get the PKCS11 handle to the corresponding public key located on the HSM.
success = json.UpdateString("class","public_key")

Dim pub_handle As Long
pub_handle = pkcs11.FindObject(json)

Dim key As New ChilkatSshKey
' The key type can be "rsa" or "ec"
Dim keyType As String
keyType = "rsa"
success = key.UsePkcs11(pkcs11,priv_handle,pub_handle,keyType)
If (success = 0) Then
    Debug.Print key.LastErrorText
    Exit Sub
End If

Dim ssh As New ChilkatSsh

success = ssh.Connect("example.com",22)
If (success <> 1) Then
    Debug.Print ssh.LastErrorText
    Exit Sub
End If

' Authenticate with the SSH server using the login and
' HSM private key.  (The corresponding public key should've 
' been installed on the SSH server beforehand.)
success = ssh.AuthenticatePk("myLogin",key)
If (success <> 1) Then
    Debug.Print ssh.LastErrorText
    Exit Sub
End If

Debug.Print "Public-Key Authentication Successful!"