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Node.js

RSA Encrypt with Modulus and Exponent

See more RSA Examples

Demonstrates how to RSA encrypt with a given modulus and exponent.

Chilkat Node.js Downloads

Node.js
NODEJS_PRELUDE

function chilkatExample() {

    var success = false;

    // This example assumes the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    var rsa = new chilkat.Rsa();

    // Assuming you already have a base64 modulus and exponent,
    // wrap it in XML like this:
    var modulus = "qMBRpdYrAy5aMmo31NErUizh5sbweguSmh4wlK6uJEIDl+kwTlROnE34KOFExeTbJSX0WygPi+vWl0yNq7buIMUKpytossAAWut5khO3CQJxTk7G2gnEPNUUXHiExGgNrLzcSLv8YIlfVALhoRWyC67KOL+a+3taNq3h+BHeWhM=";
    var exponent = "AQAB";

    var xml = new chilkat.Xml();
    xml.Tag = "RSAPublicKey";
    xml.NewChild2("Modulus",modulus);
    xml.NewChild2("Exponent",exponent);

    var pubKey = new chilkat.PublicKey();
    success = pubKey.LoadFromString(xml);
    if (success == false) {
        console.log(pubKey.LastErrorText);
        return;
    }

    success = rsa.UsePublicKey(pubKey);
    if (success == false) {
        console.log(rsa.LastErrorText);
        return;
    }

    var usePrivateKey = false;
    var plainText = "message in a bottle";

    rsa.EncodingMode = "base64";
    var encryptedStrBase64 = rsa.EncryptStringENC(plainText,usePrivateKey);
    console.log(encryptedStrBase64);

}

chilkatExample();