Node.js

PBKDF2 - Derive Key from Password

See more Encryption Examples

Demonstrates how to derive a symmetric encryption key from a password using PBKDF2. Node.js

NODEJS_PRELUDE

function chilkatExample() {

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

    var crypt = new chilkat.Crypt2();

    var pw = "password";

    var pwCharset = "utf-8";

    // Such as sha256, sha512
    var hashAlg = "sha256";

    // 16 bytes
    var saltHex = "78578E5A5D63CB0668AB39B21C8637FA";

    var iterationCount = 100000;

    // Derive a 256-bit key from the password.
    var outputBitLen = 256;

    // The derived key is returned as a hex or base64 encoded string.
    // (Note: The salt argument must be a string that also uses
    // the same encoding.)
    var enc = "hex";

    var hexKey = crypt.Pbkdf2(pw,pwCharset,hashAlg,saltHex,iterationCount,outputBitLen,enc);

    console.log(hexKey);

    // Sample output:
    // AE96E261E32792D0FD6F0E72F8E872D046F7DB4C1FA7C83892EC73C49F461B70

}

chilkatExample();