(JavaScript) Generate an ECDSA Key

See more ECC Examples

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

Note

This example is intended for running within a Chilkat.Js embedded JavaScript engine. All Chilkat JavaScript examples require Chilkat v11.4.0 or greater.

var success = false;

// 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.
var fortuna = new CkPrng();
var entropy = fortuna.GetEntropy(32,"base64");
success = fortuna.AddEntropy(entropy,"base64");

var ecc = new CkEcc();

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

var privKey = new CkPrivateKey();
success = ecc.GenKey("secp256r1",fortuna,privKey);
if (success == false) {
    console.log(ecc.LastErrorText);
    return;
}

console.log(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 !== true) {
    console.log(privKey.LastErrorText);
}

console.log("finished.");