Visual Basic 6.0

SSH Authentication using an SSH Certificate

See more SSH Examples

Demonstrates how to authenticate using an SSH certificate. Visual Basic 6.0

Dim success As Long
success = 0

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

Dim sbSshCert As New ChilkatStringBuilder
success = sbSshCert.LoadFile("qa_data/sshCert/user_ecdsa_key-cert.pub","utf-8")
If (success = 0) Then
    Debug.Print "Failed to load user_ecdsa_key-cert.pub"
    Exit Sub
End If

Dim sbPrivKey As New ChilkatStringBuilder
success = sbPrivKey.LoadFile("qa_data/sshKeys/user_ecdsa_key","utf-8")
If (success = 0) Then
    Debug.Print "Failed to load user_ecdsa_key"
    Exit Sub
End If

Dim key As New ChilkatSshKey
' Provide the password if the user_ecdsa_key is stored in an encrypted format.
key.Password = "secret"
success = key.FromOpenSshPrivateKey(sbPrivKey.GetAsString())
If (success = 0) Then
    Debug.Print key.LastErrorText
    Exit Sub
End If

' Indicate that the SSH certificate is to be used for authentication.
' The UseSshCertificate method was added in Chilkat v11.0.0
success = key.UseSshCertificate(sbSshCert.GetAsString())

Dim ssh As New ChilkatSsh

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

success = ssh.AuthenticatePk("myLogin",key)
If (success <> 1) Then
    Debug.Print ssh.LastErrorText
    Exit Sub
End If

Debug.Print "Public-Key Authentication using an SSH Certificate was Successful!"