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VB.NET Requires Chilkat v11.0.0+

Generate RSA Key and return Base64 PKCS8 Private Key

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Demonstrates how to generate a new 2048-bit RSA private key and returns the Base64 encoded PKCS8 representation of the private key.

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VB.NET
Dim success As Boolean = False

Dim rsa As New Chilkat.Rsa

'  Generate a 2048-bit key.  Chilkat RSA supports
'  key sizes ranging from 512 bits to 8192 bits.
Dim privKey As New Chilkat.PrivateKey
success = rsa.GenKey(2048,privKey)
If (success = False) Then
    Debug.WriteLine(rsa.LastErrorText)
    Exit Sub
End If


'  Get the private key in PKCS8 Base64 format
Dim privKeyPkcs8Base64 As String = privKey.GetPkcs8ENC("base64")

'  The key in base64 format will start similar to this:
'  MIIEvAIBADANBgkqhkiG9w0BA...
Debug.WriteLine(privKeyPkcs8Base64)