(Visual Basic 6.0) Generate an ECDSA Key

See more ECC Examples

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

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

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

' Create a Fortuna PRNG and seed it with system entropy.
' This will be our source of random data for generating the ECC private key.
Dim fortuna As New ChilkatPrng
Dim entropy As String
entropy = fortuna.GetEntropy(32,"base64")
Dim success As Long
success = fortuna.AddEntropy(entropy,"base64")

Dim ecc As New ChilkatEcc

' Generate a random ECC private key on the secp256r1 curve.
' Chilkat also supports other curves, such as secp384r1, secp521r1, and secp256k1.

Dim privKey As New PrivateKey
success = ecc.GenKey("secp256r1",fortuna,privKey)
If (success <> 1) Then
    Debug.Print ecc.LastErrorText
    Exit Sub
End If

Debug.Print privKey.GetXml()

' Save the private key to PKCS8 encrypted PEM
' (The private key can be saved in a variety of different formats. See the online reference documentation.)
success = privKey.SavePkcs8EncryptedPemFile("pemPassword","myPemFiles/eccKey123.pem")
If (success <> 1) Then
    Debug.Print privKey.LastErrorText
End If

Debug.Print "finished."