(VB.NET) Generate RSA Key and Export to Encrypted PEM

VB.NET sample showing how to generate an RSA key and export to encrypted PEM.

Chilkat .NET Downloads Chilkat .NET Framework Chilkat for .NET Core

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

Dim rsa As New Chilkat.Rsa

' Generate a 1024-bit key.  Chilkat RSA supports
' key sizes ranging from 512 bits to 4096 bits.
Dim success As Boolean = rsa.GenerateKey(1024)
If (success <> True) Then
    Debug.WriteLine(rsa.LastErrorText)
    Exit Sub
End If


' Get the private key as unencrypted XML:
Dim keyXml As String = rsa.ExportPrivateKey()
Debug.WriteLine(keyXml)

' To encrypt the key -- meaning to get the key in
' an encrypted PEM format -- load it into a PrivateKey object,
' and then export to encrypted PEM:
Dim privKey As New Chilkat.PrivateKey

success = privKey.LoadXml(keyXml)
If (success <> True) Then
    Debug.WriteLine(privKey.LastErrorText)
    Exit Sub
End If


Dim strEncPem As String

strEncPem = privKey.GetPkcs8EncryptedPem("myPassword")

' You now have the private key in an encrypted format,
' which may be (for example) saved to a database