Dart

PBKDF2 - Derive Key from Password

See more Encryption Examples

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

import 'package:chilkat/chilkat.dart';

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

  final crypt = CkCrypt2();

  final pw = 'password';

  final pwCharset = 'utf-8';

  // Such as sha256, sha512
  final hashAlg = 'sha256';

  // 16 bytes
  final saltHex = '78578E5A5D63CB0668AB39B21C8637FA';

  final iterationCount = 100000;

  // Derive a 256-bit key from the password.
  final 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.)
  final enc = 'hex';

  final hexKey = crypt.pbkdf2(pw, pwCharset, hashAlg, saltHex, iterationCount, outputBitLen, enc);

  print(hexKey);

  // Sample output:
  // AE96E261E32792D0FD6F0E72F8E872D046F7DB4C1FA7C83892EC73C49F461B70
}