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Node.js

Generate an ECDSA Key

See more ECC Examples

Demonstrates how to generate an ECDSA key.

Chilkat Node.js Downloads

Node.js
NODEJS_PRELUDE

function chilkatExample() {

    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 chilkat.Prng();
    var entropy = fortuna.GetEntropy(32,"base64");
    success = fortuna.AddEntropy(entropy,"base64");

    var ecc = new chilkat.Ecc();

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

    var privKey = new chilkat.PrivateKey();
    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.");

}

chilkatExample();