68 lines
2.2 KiB
Dart
68 lines
2.2 KiB
Dart
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import 'package:platform_encryption/platform_encryption.dart';
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import 'package:platform_contracts/contracts.dart';
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void main() {
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// Generate a key for AES-256-CBC
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final key = Encrypter.generateKey('aes-256-cbc');
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print('Generated key: $key');
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// Create an Encrypter instance
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final encrypter = Encrypter(key, cipher: 'aes-256-cbc');
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// Example 1: Encrypting and decrypting a string
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const originalString = 'Hello, Protevus Platform!';
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print('\nExample 1: String encryption');
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print('Original: $originalString');
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final encryptedString = encrypter.encryptString(originalString);
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print('Encrypted: $encryptedString');
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final decryptedString = encrypter.decryptString(encryptedString);
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print('Decrypted: $decryptedString');
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// Example 2: Encrypting and decrypting an object
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final originalObject = {
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'username': 'john_doe',
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'email': 'john@example.com',
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'age': 30,
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};
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print('\nExample 2: Object encryption');
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print('Original: $originalObject');
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final encryptedObject = encrypter.encrypt(originalObject);
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print('Encrypted: $encryptedObject');
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final decryptedObject = encrypter.decrypt(encryptedObject);
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print('Decrypted: $decryptedObject');
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// Example 3: Handling encryption exceptions
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print('\nExample 3: Handling exceptions');
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try {
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encrypter.encrypt(null);
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} on EncryptException catch (e) {
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print('Caught EncryptException: $e');
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}
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// Example 4: Handling decryption exceptions
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try {
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encrypter.decrypt('invalid_payload');
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} on DecryptException catch (e) {
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print('Caught DecryptException: $e');
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}
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// Example 5: Using previous keys
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print('\nExample 5: Using previous keys');
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final oldKey = Encrypter.generateKey('aes-256-cbc');
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final newKey = Encrypter.generateKey('aes-256-cbc');
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final oldEncrypter = Encrypter(oldKey, cipher: 'aes-256-cbc');
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final encryptedWithOldKey = oldEncrypter.encryptString('Secret message');
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print('Encrypted with old key: $encryptedWithOldKey');
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final newEncrypter =
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Encrypter(newKey, cipher: 'aes-256-cbc', previousKeys: [oldKey]);
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final decryptedWithNewEncrypter =
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newEncrypter.decryptString(encryptedWithOldKey);
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print('Decrypted with new encrypter: $decryptedWithNewEncrypter');
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}
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