hugo/native-crypto
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Add digest enum

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This commit is contained in:
Hugo Pointcheval 2020-04-29 22:51:05 +02:00
parent 4f5b6bf351
commit 8a112648bf
2 changed files with 13 additions and 4 deletions
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2
example/lib/main.dart
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@ -52,7 +52,7 @@ class _MyAppState extends State<MyApp> {
if (password.isEmpty) { if (password.isEmpty) {
output = 'Password is empty'; output = 'Password is empty';
} else { } else {
key = await KeyGenerator().pbkdf2(password, 'salt', algorithm: 'sha1'); key = await KeyGenerator().pbkdf2(password, 'salt', digest: Digest.sha1);
output = 'Key successfully derived.'; output = 'Key successfully derived.';
} }
setState(() { setState(() {

15
lib/symmetric_crypto.dart
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@ -15,6 +15,9 @@ const String TAG_DEBUG = 'debug.native_crypto.symmetric_crypto';
/// Defines all available key sizes. /// Defines all available key sizes.
enum KeySize { bits128, bits192, bits256 } enum KeySize { bits128, bits192, bits256 }
/// Defines all available digest.
enum Digest { sha1, sha256 }
/// Defines all available ciphers. /// Defines all available ciphers.
enum Cipher { AES } enum Cipher { AES }
@ -59,11 +62,17 @@ class KeyGenerator {
/// ///
/// `keyLength` is in Bytes. /// `keyLength` is in Bytes.
/// It returns an `Uint8List`. /// It returns an `Uint8List`.
Future<Uint8List> pbkdf2(String password, String salt, {int keyLength: 32, int iteration: 10000, String algorithm: 'sha256'}) async { Future<Uint8List> pbkdf2(String password, String salt, {int keyLength: 32, int iteration: 10000, Digest digest: Digest.sha256}) async {
Uint8List key; Uint8List key;
String algo;
if (digest == Digest.sha1) algo = 'sha1';
if (digest == Digest.sha256) algo = 'sha256';
try { try {
key = await NativeCrypto().pbkdf2( password, salt, keyLength: keyLength, iteration: iteration, algorithm: algorithm); key = await NativeCrypto().pbkdf2( password, salt, keyLength: keyLength, iteration: iteration, algorithm: algo);
log("PBKDF2 KEY LENGTH: ${key.length}", name: TAG_DEBUG); log(key.toString());
log("PBKDF2 KEY LENGTH: ${key.length} | DIGEST: $algo", name: TAG_DEBUG);
} on PlatformException catch (e) { } on PlatformException catch (e) {
log(e.message, name: TAG_ERROR); log(e.message, name: TAG_ERROR);
throw e; throw e;