Classic ASP
SFTP Authentication using an SSH Certificate

Demonstrates how to SFTP authenticate using an SSH certificate.
Chilkat Classic ASP Downloads

Classic ASP
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<%
success = 0

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

set sbSshCert = Server.CreateObject("Chilkat.StringBuilder")
success = sbSshCert.LoadFile("qa_data/sshCert/user_ecdsa_key-cert.pub","utf-8")
If (success = 0) Then
    Response.Write "<pre>" & Server.HTMLEncode( "Failed to load user_ecdsa_key-cert.pub") & "</pre>"
    Response.End
End If

set sbPrivKey = Server.CreateObject("Chilkat.StringBuilder")
success = sbPrivKey.LoadFile("qa_data/sshKeys/user_ecdsa_key","utf-8")
If (success = 0) Then
    Response.Write "<pre>" & Server.HTMLEncode( "Failed to load user_ecdsa_key") & "</pre>"
    Response.End
End If

set key = Server.CreateObject("Chilkat.SshKey")
' 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
    Response.Write "<pre>" & Server.HTMLEncode( key.LastErrorText) & "</pre>"
    Response.End
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())

set sftp = Server.CreateObject("Chilkat.SFtp")

hostname = "sftp.example.com"
port = 22
success = sftp.Connect(hostname,port)
If (success <> 1) Then
    Response.Write "<pre>" & Server.HTMLEncode( sftp.LastErrorText) & "</pre>"
    Response.End
End If

success = sftp.AuthenticatePk("myLogin",key)
If (success <> 1) Then
    Response.Write "<pre>" & Server.HTMLEncode( sftp.LastErrorText) & "</pre>"
    Response.End
End If

Response.Write "<pre>" & Server.HTMLEncode( "Public-Key Authentication using an SSH Certificate was Successful!") & "</pre>"

%>
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</html>