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VB.NET UWP/WinRT Examples

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(VB.NET UWP/WinRT) SSH Authenticate Secure

Demonstrates how to do SSH password authentication with secure strings.

This example requires Chilkat v9.5.0.71 or greater.

Chilkat Universal Windows Platform (UWP) / WinRT Downloads

Chilkat for the Universal Windows Platform (UWP)

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

Dim success As Boolean

' Imagine we've previously saved our encrypted login and password within a JSON config file
' that contains this:

' {
'   "ssh_login": "2+qylFfC56Ck7OQQt/U2/w==",
'   "ssh_password": "5neIq9Jmn0E3p71N6Yc8TA=="
' }

Dim json As New Chilkat.JsonObject
json.LoadFile("qa_data/passwords/ssh.json")

Dim crypt As New Chilkat.Crypt2

' These are the encryption settings we previously used to encrypt the credentials within the JSON config file.
crypt.CryptAlgorithm = "aes"
crypt.CipherMode = "cbc"
crypt.KeyLength = 128
crypt.SetEncodedKey("000102030405060708090A0B0C0D0E0F","hex")
crypt.SetEncodedIV("000102030405060708090A0B0C0D0E0F","hex")
crypt.EncodingMode = "base64"

Dim ssLogin As New Chilkat.SecureString
Dim ssPassword As New Chilkat.SecureString

' Decrypt to the secure string.  (the strings will still held in memory encrypted, but are now encrypted using
' a randomly generated session key.)
crypt.DecryptSecureENC(json.StringOf("ssh_login"),ssLogin)
crypt.DecryptSecureENC(json.StringOf("ssh_password"),ssPassword)

Dim ssh As New Chilkat.Ssh

success = Await ssh.ConnectAsync("MY-SSH-SERVER-DOMAIN-OR-IP",22)
If (success <> True) Then
    Debug.WriteLine(ssh.LastErrorText)
    Exit Sub
End If


' Authenticate using secure strings
success = Await ssh.AuthenticateSecPwAsync(ssLogin,ssPassword)
If (success <> True) Then
    Debug.WriteLine(ssh.LastErrorText)
    Exit Sub
End If


Debug.WriteLine("SSH Authentication successful.")

ssh.Disconnect()

 

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