(Xojo Plugin) SSH Authentication using an SSH Certificate

See more SSH Examples

Note: This example requires Chilkat v11.0.0 or greater.

For more information, see https://www.chilkatsoft.com/understanding_ssh_certificates.asp

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

Dim sbSshCert As New Chilkat.StringBuilder
Dim success As Boolean
success = sbSshCert.LoadFile("qa_data/sshCert/user_ecdsa_key-cert.pub","utf-8")
If (success = False) Then
    System.DebugLog("Failed to load user_ecdsa_key-cert.pub")
    Return
End If

Dim sbPrivKey As New Chilkat.StringBuilder
success = sbPrivKey.LoadFile("qa_data/sshKeys/user_ecdsa_key","utf-8")
If (success = False) Then
    System.DebugLog("Failed to load user_ecdsa_key")
    Return
End If

Dim key As New 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 = False) Then
    System.DebugLog(key.LastErrorText)
    Return
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 Chilkat.Ssh

Dim hostname As String
hostname = "ssh.example.com"
Dim port As Int32
port = 22
success = ssh.Connect(hostname,port)
If (success <> True) Then
    System.DebugLog(ssh.LastErrorText)
    Return
End If

success = ssh.AuthenticatePk("myLogin",key)
If (success <> True) Then
    System.DebugLog(ssh.LastErrorText)
    Return
End If

System.DebugLog("Public-Key Authentication using an SSH Certificate was Successful!")