Sample code for 30+ languages & platforms
Dart Requires Chilkat v11.0.0+

Use Base64 RSA Key to Encrypt

See more RSA Examples

Loads a Base64 RSA key and uses it to encrypt a string, returning the result in base64.

Chilkat Dart Downloads

Dart
import 'package:chilkat/chilkat.dart';

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

  final pubkey = CkPublicKey();

  try {
    pubkey.loadBase64('MIICdgIBADA ... A9PXLk+j5A==');
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  final rsa = CkRsa();

  try {
    rsa.usePublicKey(pubkey);
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  rsa.encodingMode = 'base64';

  final encryptedStr = rsa.encryptStringENC('12345678', false);

  print(encryptedStr);
}