Refactoring

.github/workflows/dart.yml

@@ -61,6 +61,7 @@ jobs:
       matrix:
         package:
           - cryptography
+          - cryptography_test
           - jwk
         compiler:
           - vm

cryptography/lib/src/browser/_javascript_bindings.dart

@@ -81,13 +81,13 @@ Future<ByteBuffer> decrypt(
 }
 
 @internal
-Future<ByteBuffer> deriveBits(
+Future<Uint8List> deriveBits(
   JSAny algorithm,
   CryptoKey cryptoKey,
   JSNumber bits,
 ) async {
   final js = await _deriveBits(algorithm, cryptoKey, bits).toDart;
-  return js.toDart;
+  return js.toDart.asUint8List();
 }
 
 @internal
@@ -134,9 +134,9 @@ Future<Jwk> exportKeyWhenJwk(CryptoKey key) async {
 }
 
 @internal
-Future<ByteBuffer> exportKeyWhenRaw(CryptoKey key) async {
+Future<Uint8List> exportKeyWhenRaw(CryptoKey key) async {
   final js = await _exportKey('raw'.toJS, key).toDart;
-  return (js as JSArrayBuffer).toDart;
+  return (js as JSArrayBuffer).toDart.asUint8List();
 }
 
 @internal
@@ -202,13 +202,13 @@ JSUint8Array jsUint8ListFrom(List<int> data) {
 }
 
 @internal
-Future<ByteBuffer> sign(
+Future<Uint8List> sign(
   JSAny algorithm,
   CryptoKey key,
   JSUint8Array data,
 ) async {
   final js = await _sign(algorithm, key, data).toDart;
-  return js.toDart;
+  return js.toDart.asUint8List();
 }
 
 @internal
@@ -330,6 +330,13 @@ extension type AesKeyGenParams._(JSObject jsObject) {
   });
 }
 
+@internal
+extension type AlgorithmNameParams._(JSObject jsObject) {
+  external factory AlgorithmNameParams({
+    required JSString name,
+  });
+}
+
 @internal
 extension type CryptoKey._(JSObject _) implements JSObject {
   external JSObject get algorithm;
@@ -346,8 +353,8 @@ extension type CryptoKeyPair._(JSObject jsObject) {
 }
 
 @internal
-extension type EcdhKeyDeriveParams._(JSObject jsObject) {
-  external factory EcdhKeyDeriveParams({
+extension type DeriveParamsWhenPublicKey._(JSObject jsObject) {
+  external factory DeriveParamsWhenPublicKey({
     required JSString name,
     required CryptoKey public,
   });

cryptography/lib/src/browser/browser_secret_key.dart

@@ -95,8 +95,7 @@ class BrowserSecretKey extends SecretKey {
       return existing;
     }
     try {
-      final byteBuffer = await web_crypto.exportKeyWhenRaw(jsCryptoKey);
-      final bytes = Uint8List.view(byteBuffer);
+      final bytes = await web_crypto.exportKeyWhenRaw(jsCryptoKey);
       final secretKeyData = SecretKeyData(
         bytes,
         overwriteWhenDestroyed: true,

cryptography/lib/src/browser/ecdh.dart

@@ -14,7 +14,6 @@
 
 import 'dart:js_interop';
 import 'dart:math';
-import 'dart:typed_data';
 
 import 'package:cryptography/cryptography.dart';
 
@@ -108,15 +107,15 @@ class BrowserEcdh extends Ecdh {
     final jsPrivateKey = await jsPrivateKeyFuture;
     final jsPublicKey = await jsPublicKeyFuture;
     try {
-      final byteBuffer = await web_crypto.deriveBits(
-        web_crypto.EcdhKeyDeriveParams(
+      final derivedBytes = await web_crypto.deriveBits(
+        web_crypto.DeriveParamsWhenPublicKey(
           name: 'ECDH'.toJS,
           public: jsPublicKey,
         ).jsObject,
         jsPrivateKey.jsPrivateKeyForEcdh!,
         (8 * length).toJS,
       );
-      return SecretKey(Uint8List.view(byteBuffer));
+      return SecretKey(derivedBytes);
     } catch (error, stackTrace) {
       throw StateError(
         'Web Cryptography throw an error: $error\n$stackTrace',

cryptography/lib/src/browser/ecdsa.dart

@@ -14,7 +14,6 @@
 
 import 'dart:js_interop';
 import 'dart:math';
-import 'dart:typed_data';
 
 import 'package:cryptography/cryptography.dart';
 
@@ -94,7 +93,7 @@ class BrowserEcdsa extends Ecdsa {
       allowDeriveBits: true,
     );
     final jsCryptoKey = browserEcKeyPair.jsPrivateKeyForEcdsa!;
-    final byteBuffer = await web_crypto.sign(
+    final signatureBytes = await web_crypto.sign(
       web_crypto.EcdsaParams(
         name: 'ECDSA'.toJS,
         hash: BrowserHashAlgorithmMixin.hashAlgorithmNameFor(
@@ -106,7 +105,7 @@ class BrowserEcdsa extends Ecdsa {
       web_crypto.jsUint8ListFrom(message),
     );
     return Signature(
-      Uint8List.view(byteBuffer),
+      signatureBytes,
       publicKey: await publicKeyFuture,
     );
   }

cryptography/lib/src/browser/hkdf.dart

@@ -13,13 +13,12 @@
 // limitations under the License.
 
 import 'dart:js_interop';
-import 'dart:typed_data';
 
 import 'package:cryptography/cryptography.dart';
 import 'package:cryptography/src/browser/hash.dart';
 
-import '_javascript_bindings.dart' show jsUint8ListFrom;
 import '_javascript_bindings.dart' as web_crypto;
+import '_javascript_bindings.dart' show jsUint8ListFrom;
 
 /// HKDF implementation that uses _Web Cryptography API_ in browsers.
 ///
@@ -49,7 +48,7 @@ class BrowserHkdf extends Hkdf {
       );
     }
     final jsCryptoKey = await _jsCryptoKey(secretKey);
-    final byteBuffer = await web_crypto.deriveBits(
+    final bytes = await web_crypto.deriveBits(
       web_crypto.HkdfParams(
         name: 'HKDF'.toJS,
         hash: hashAlgorithmName.toJS,
@@ -59,7 +58,7 @@ class BrowserHkdf extends Hkdf {
       jsCryptoKey,
       (8 * outputLength).toJS,
     );
-    return SecretKeyData(Uint8List.view(byteBuffer));
+    return SecretKeyData(bytes);
   }
 
   Future<web_crypto.CryptoKey> _jsCryptoKey(SecretKey secretKey) async {

cryptography/lib/src/browser/hmac.dart

@@ -13,7 +13,6 @@
 // limitations under the License.
 
 import 'dart:js_interop';
-import 'dart:typed_data';
 
 import 'package:cryptography/cryptography.dart';
 
@@ -56,12 +55,12 @@ class BrowserHmac extends Hmac {
       throw ArgumentError.value(aad, 'aad', 'AAD is unsupported by HMAC');
     }
     final jsCryptoKey = await _jsCryptoKey(secretKey);
-    final byteBuffer = await web_crypto.sign(
+    final macBytes = await web_crypto.sign(
       'HMAC'.toJS,
       jsCryptoKey,
       jsUint8ListFrom(bytes),
     );
-    return Mac(Uint8List.view(byteBuffer));
+    return Mac(macBytes);
   }
 
   Future<web_crypto.CryptoKey> _jsCryptoKey(SecretKey secretKey) async {

cryptography/lib/src/browser/pbkdf2.dart

@@ -13,7 +13,6 @@
 // limitations under the License.
 
 import 'dart:js_interop';
-import 'dart:typed_data';
 
 import 'package:cryptography/cryptography.dart';
 
@@ -48,7 +47,7 @@ class BrowserPbkdf2 extends Pbkdf2 {
     final jsCryptoKey = await _jsCryptoKey(secretKey);
 
     // subtle.deriveBits(...)
-    final byteBuffer = await web_crypto.deriveBits(
+    final derivedBytes = await web_crypto.deriveBits(
       web_crypto.Pkdf2Params(
         name: 'PBKDF2'.toJS,
         hash: macAlgorithm.hashAlgorithmWebCryptoName.toJS,
@@ -59,7 +58,7 @@ class BrowserPbkdf2 extends Pbkdf2 {
       bits.toJS,
     );
 
-    return SecretKey(Uint8List.view(byteBuffer));
+    return SecretKey(derivedBytes);
   }
 
   Future<web_crypto.CryptoKey> _jsCryptoKey(SecretKey secretKey) async {

cryptography/lib/src/browser/rsa_pss.dart

@@ -107,7 +107,7 @@ class BrowserRsaPss extends RsaPss {
       webCryptoAlgorithm: _webCryptoAlgorithm,
       webCryptoHash: webCryptoHash,
     );
-    final byteBuffer = await web_crypto.sign(
+    final signatureBytes = await web_crypto.sign(
       web_crypto.RsaPssParams(
         name: _webCryptoAlgorithm.toJS,
         saltLength: nonceLengthInBytes.toJS,
@@ -116,7 +116,7 @@ class BrowserRsaPss extends RsaPss {
       Uint8List.fromList(message).toJS,
     );
     return Signature(
-      Uint8List.view(byteBuffer),
+      signatureBytes,
       publicKey: await publicKeyFuture,
     );
   }

cryptography/lib/src/browser/rsa_ssa_pkcs1v15.dart

@@ -14,7 +14,6 @@
 
 import 'dart:js_interop';
 import 'dart:math';
-import 'dart:typed_data';
 
 import 'package:cryptography/cryptography.dart';
 
@@ -95,13 +94,13 @@ class BrowserRsaSsaPkcs1v15 extends RsaSsaPkcs1v15 {
       webCryptoAlgorithm: _webCryptoAlgorithm,
       webCryptoHash: webCryptoHash,
     );
-    final byteBuffer = await web_crypto.sign(
+    final signatureBytes = await web_crypto.sign(
       _webCryptoAlgorithm.toJS,
       jsCryptoKey,
       web_crypto.jsUint8ListFrom(message),
     );
     return Signature(
-      Uint8List.view(byteBuffer),
+      signatureBytes,
       publicKey: await publicKeyFuture,
     );
   }