(Classic ASP) Generate an ECDSA Key

See more ECC Examples

Demonstrates how to generate an ECDSA key.

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

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
</head>
<body>
<%
' 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.
set fortuna = Server.CreateObject("Chilkat.Prng")
entropy = fortuna.GetEntropy(32,"base64")
success = fortuna.AddEntropy(entropy,"base64")

set ecc = Server.CreateObject("Chilkat.Ecc")

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

set privKey = Server.CreateObject("Chilkat.PrivateKey")
success = ecc.GenKey("secp256r1",fortuna,privKey)
If (success <> 1) Then
    Response.Write "<pre>" & Server.HTMLEncode( ecc.LastErrorText) & "</pre>"
    Response.End
End If

Response.Write "<pre>" & Server.HTMLEncode( privKey.GetXml()) & "</pre>"

' 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
    Response.Write "<pre>" & Server.HTMLEncode( privKey.LastErrorText) & "</pre>"
End If

Response.Write "<pre>" & Server.HTMLEncode( "finished.") & "</pre>"

%>
</body>
</html>