Replace KeyPair class with record typedef KeyPair<T,S>

lib/src/impl_ffi/impl_ffi.ec_common.dart

@@ -351,9 +351,9 @@ KeyPair<_EvpPKey, _EvpPKey> _generateEcKeyPair(
     final pubKey = _EvpPKey();
     _checkOpIsOne(ssl.EVP_PKEY_set1_EC_KEY.invoke(pubKey, ecPub));
 
-    return createKeyPair(
-      privKey,
-      pubKey,
+    return (
+      privateKey: privKey,
+      publicKey: pubKey,
     );
   });
 }

lib/src/impl_ffi/impl_ffi.ecdh.dart

@@ -39,9 +39,9 @@ Future<KeyPair<EcdhPrivateKeyImpl, EcdhPublicKeyImpl>>
   EllipticCurve curve,
 ) async {
   final p = _generateEcKeyPair(curve);
-  return createKeyPair(
-    _EcdhPrivateKeyImpl(p.privateKey),
-    _EcdhPublicKeyImpl(p.publicKey),
+  return (
+    privateKey: _EcdhPrivateKeyImpl(p.privateKey),
+    publicKey: _EcdhPublicKeyImpl(p.publicKey),
   );
 }
 

lib/src/impl_ffi/impl_ffi.ecdsa.dart

@@ -55,9 +55,9 @@ Future<KeyPair<EcdsaPrivateKeyImpl, EcdsaPublicKeyImpl>>
   EllipticCurve curve,
 ) async {
   final p = _generateEcKeyPair(curve);
-  return createKeyPair(
-    _EcdsaPrivateKeyImpl(p.privateKey),
-    _EcdsaPublicKeyImpl(p.publicKey),
+  return (
+    privateKey: _EcdsaPrivateKeyImpl(p.privateKey),
+    publicKey: _EcdsaPublicKeyImpl(p.publicKey),
   );
 }
 

lib/src/impl_ffi/impl_ffi.rsa_common.dart

@@ -278,9 +278,9 @@ KeyPair<_EvpPKey, _EvpPKey> _generateRsaKeyPair(
     final pubKey = _EvpPKey();
     _checkOp(ssl.EVP_PKEY_set1_RSA.invoke(pubKey, pubRSA) == 1);
 
-    return createKeyPair(
-      privKey,
-      pubKey,
+    return (
+      privateKey: privKey,
+      publicKey: pubKey,
     );
   });
 }

lib/src/impl_ffi/impl_ffi.rsaoaep.dart

@@ -51,9 +51,9 @@ Future<KeyPair<RsaOaepPrivateKeyImpl, RsaOaepPublicKeyImpl>>
   // Get hash first, to avoid a leak of EVP_PKEY if _HashImpl.fromHash throws
   final h = _HashImpl.fromHash(hash);
   final keys = _generateRsaKeyPair(modulusLength, publicExponent);
-  return createKeyPair(
-    _RsaOaepPrivateKeyImpl(keys.privateKey, h),
-    _RsaOaepPublicKeyImpl(keys.publicKey, h),
+  return (
+    privateKey: _RsaOaepPrivateKeyImpl(keys.privateKey, h),
+    publicKey: _RsaOaepPublicKeyImpl(keys.publicKey, h),
   );
 }
 

lib/src/impl_ffi/impl_ffi.rsapss.dart

@@ -51,9 +51,9 @@ Future<KeyPair<RsaPssPrivateKeyImpl, RsaPssPublicKeyImpl>>
   // Validate and get hash function
   final h = _HashImpl.fromHash(hash);
   final keys = _generateRsaKeyPair(modulusLength, publicExponent);
-  return createKeyPair(
-    _RsaPssPrivateKeyImpl(keys.privateKey, h),
-    _RsaPssPublicKeyImpl(keys.publicKey, h),
+  return (
+    privateKey: _RsaPssPrivateKeyImpl(keys.privateKey, h),
+    publicKey: _RsaPssPublicKeyImpl(keys.publicKey, h),
   );
 }
 

lib/src/impl_ffi/impl_ffi.rsassapkcs1v15.dart

@@ -51,9 +51,9 @@ Future<KeyPair<RsaSsaPkcs1V15PrivateKeyImpl, RsaSsaPkcs1V15PublicKeyImpl>>
   // Get hash first, to avoid a leak of EVP_PKEY if _HashImpl.fromHash throws
   final h = _HashImpl.fromHash(hash);
   final keys = _generateRsaKeyPair(modulusLength, publicExponent);
-  return createKeyPair(
-    _RsaSsaPkcs1V15PrivateKeyImpl(keys.privateKey, h),
-    _RsaSsaPkcs1V15PublicKeyImpl(keys.publicKey, h),
+  return (
+    privateKey: _RsaSsaPkcs1V15PrivateKeyImpl(keys.privateKey, h),
+    publicKey: _RsaSsaPkcs1V15PublicKeyImpl(keys.publicKey, h),
   );
 }
 

lib/src/impl_interface/impl_interface.dart

@@ -34,20 +34,7 @@ part 'impl_interface.digest.dart';
 part 'impl_interface.random.dart';
 
 /// A key-pair as returned from key generation.
-class KeyPair<S, T> {
-  KeyPair._(this.privateKey, this.publicKey); // keep the constructor private.
-
-  /// Private key for [publicKey].
-  final S privateKey;
-
-  /// Public key matching [privateKey].
-  final T publicKey;
-}
-
-/// Factory method to create KeyPair instance
-KeyPair<S, T> createKeyPair<S, T>(S privateKey, T publicKey) {
-  return KeyPair._(privateKey, publicKey);
-}
+typedef KeyPair<T, S> = ({T privateKey, S publicKey});
 
 /// Elliptic curves supported by ECDSA and ECDH.
 ///

lib/src/impl_js/impl_js.ecdh.dart

@@ -66,9 +66,9 @@ Future<KeyPair<EcdhPrivateKeyImpl, EcdhPublicKeyImpl>>
     ),
     _usagesDeriveBits,
   );
-  return createKeyPair(
-    _EcdhPrivateKeyImpl(pair.privateKey),
-    _EcdhPublicKeyImpl(pair.publicKey),
+  return (
+    privateKey: _EcdhPrivateKeyImpl(pair.privateKey),
+    publicKey: _EcdhPublicKeyImpl(pair.publicKey),
   );
 }
 

lib/src/impl_js/impl_js.ecdsa.dart

@@ -60,9 +60,9 @@ Future<KeyPair<EcdsaPrivateKeyImpl, EcdsaPublicKeyImpl>>
     ),
     _usagesSignVerify,
   );
-  return createKeyPair(
-    _EcdsaPrivateKeyImpl(pair.privateKey),
-    _EcdsaPublicKeyImpl(pair.publicKey),
+  return (
+    privateKey: _EcdsaPrivateKeyImpl(pair.privateKey),
+    publicKey: _EcdsaPublicKeyImpl(pair.publicKey),
   );
 }
 

lib/src/impl_js/impl_js.rsaoaep.dart

@@ -64,9 +64,9 @@ Future<KeyPair<RsaOaepPrivateKeyImpl, RsaOaepPublicKeyImpl>>
     ),
     _usagesEncryptDecrypt,
   );
-  return createKeyPair(
-    _RsaOaepPrivateKeyImpl(pair.privateKey),
-    _RsaOaepPublicKeyImpl(pair.publicKey),
+  return (
+    privateKey: _RsaOaepPrivateKeyImpl(pair.privateKey),
+    publicKey: _RsaOaepPublicKeyImpl(pair.publicKey),
   );
 }
 

lib/src/impl_js/impl_js.rsapss.dart

@@ -58,9 +58,9 @@ Future<KeyPair<RsaPssPrivateKeyImpl, RsaPssPublicKeyImpl>>
     ),
     _usagesSignVerify,
   );
-  return createKeyPair(
-    _RsaPssPrivateKeyImpl(pair.privateKey),
-    _RsaPssPublicKeyImpl(pair.publicKey),
+  return (
+    privateKey: _RsaPssPrivateKeyImpl(pair.privateKey),
+    publicKey: _RsaPssPublicKeyImpl(pair.publicKey),
   );
 }
 

lib/src/impl_js/impl_js.rsassapkcs1v15.dart

@@ -57,9 +57,9 @@ Future<KeyPair<RsaSsaPkcs1V15PrivateKeyImpl, RsaSsaPkcs1V15PublicKeyImpl>>
     ),
     _usagesSignVerify,
   );
-  return createKeyPair(
-    _RsaSsaPkcs1V15PrivateKeyImpl(pair.privateKey),
-    _RsaSsaPkcs1V15PublicKeyImpl(pair.publicKey),
+  return (
+    privateKey: _RsaSsaPkcs1V15PrivateKeyImpl(pair.privateKey),
+    publicKey: _RsaSsaPkcs1V15PublicKeyImpl(pair.publicKey),
   );
 }
 

lib/src/testing/utils/testrunner.dart

@@ -213,16 +213,6 @@ typedef DeriveBitsFn<T> = Future<List<int>> Function(
   Map<String, dynamic> deriveParams,
 );
 
-class _KeyPair<S, T> implements KeyPair<S, T> {
-  @override
-  final S privateKey;
-
-  @override
-  final T publicKey;
-
-  _KeyPair({required this.privateKey, required this.publicKey});
-}
-
 @sealed
 class TestRunner<PrivateKey, PublicKey> {
   final String algorithm;
@@ -402,7 +392,7 @@ class TestRunner<PrivateKey, PublicKey> {
       exportPrivateJsonWebKey: exportPrivateJsonWebKey,
       generateKeyPair: (params) async {
         final k = await generateKey(params);
-        return _KeyPair(privateKey: k, publicKey: k);
+        return (privateKey: k, publicKey: k);
       },
       signBytes: signBytes,
       signStream: signStream,
@@ -867,9 +857,10 @@ void _runTests<PrivateKey, PublicKey>(
     } else {
       test('create derivedBits', () async {
         derivedBits = await r._deriveBits(
-          _KeyPair(
-              privateKey: privateKey as PrivateKey,
-              publicKey: publicKey as PublicKey),
+          (
+            privateKey: privateKey as PrivateKey,
+            publicKey: publicKey as PublicKey
+          ),
           c.derivedLength!,
           c.deriveParams!,
         );
@@ -878,9 +869,10 @@ void _runTests<PrivateKey, PublicKey>(
 
     test('validated derivedBits', () async {
       final derived = await r._deriveBits(
-        _KeyPair(
-            privateKey: privateKey as PrivateKey,
-            publicKey: publicKey as PublicKey),
+        (
+          privateKey: privateKey as PrivateKey,
+          publicKey: publicKey as PublicKey
+        ),
         c.derivedLength!,
         c.deriveParams!,
       );
@@ -983,9 +975,10 @@ void _runTests<PrivateKey, PublicKey>(
     }
     if (r._deriveBits != null) {
       final derived = await r._deriveBits(
-        _KeyPair(
-            privateKey: privateKey as PrivateKey,
-            publicKey: publicKey as PublicKey),
+        (
+          privateKey: privateKey as PrivateKey,
+          publicKey: publicKey as PublicKey
+        ),
         c.derivedLength!,
         c.deriveParams!,
       );
@@ -1009,9 +1002,10 @@ void _runTests<PrivateKey, PublicKey>(
     }
     if (r._deriveBits != null) {
       final derived = await r._deriveBits(
-        _KeyPair(
-            privateKey: privateKey as PrivateKey,
-            publicKey: publicKey as PublicKey),
+        (
+          privateKey: privateKey as PrivateKey,
+          publicKey: publicKey as PublicKey
+        ),
         c.derivedLength!,
         c.deriveParams!,
       );
@@ -1363,9 +1357,10 @@ void _runTests<PrivateKey, PublicKey>(
   if (r._deriveBits != null) {
     test('deriveBits', () async {
       final derived = await r._deriveBits(
-        _KeyPair(
-            privateKey: privateKey as PrivateKey,
-            publicKey: publicKey as PublicKey),
+        (
+          privateKey: privateKey as PrivateKey,
+          publicKey: publicKey as PublicKey
+        ),
         c.derivedLength!,
         c.deriveParams!,
       );

lib/src/testing/webcrypto/ecdh.dart

@@ -17,17 +17,6 @@ import '../utils/utils.dart';
 import '../utils/testrunner.dart';
 import '../utils/detected_runtime.dart';
 
-class _KeyPair<S extends EcdhPrivateKey, T extends EcdhPublicKey>
-    implements KeyPair<S, T> {
-  @override
-  final S privateKey;
-
-  @override
-  final T publicKey;
-
-  _KeyPair({required this.privateKey, required this.publicKey});
-}
-
 final runner = TestRunner.asymmetric<EcdhPrivateKey, EcdhPublicKey>(
   algorithm: 'ECDH',
   importPrivateRawKey: null, // not supported
@@ -58,7 +47,7 @@ final runner = TestRunner.asymmetric<EcdhPrivateKey, EcdhPublicKey>(
     final b = await EcdhPrivateKey.generateKey(curveFromJson(
       generateKeyPairParams,
     ));
-    return _KeyPair(
+    return (
       privateKey: a.privateKey,
       publicKey: b.publicKey,
     );

lib/src/webcrypto/webcrypto.ecdh.dart

@@ -193,7 +193,7 @@ final class EcdhPrivateKey {
     final privateKey = EcdhPrivateKey(privateKeyImpl);
     final publicKey = EcdhPublicKey(publicKeyImpl);
 
-    return createKeyPair(privateKey, publicKey);
+    return (privateKey: privateKey, publicKey: publicKey);
   }
 
   /// Derive a shared secret from two ECDH key pairs using the private key from one pair

lib/src/webcrypto/webcrypto.ecdsa.dart

@@ -50,7 +50,7 @@ final class EcdsaPrivateKey {
     final privateKey = EcdsaPrivateKey(privateKeyImpl);
     final publicKey = EcdsaPublicKey(publicKeyImpl);
 
-    return createKeyPair(privateKey, publicKey);
+    return (privateKey: privateKey, publicKey: publicKey);
   }
 
   /// TODO: Document that this returns the raw signature format specified

lib/src/webcrypto/webcrypto.rsaoaep.dart

@@ -231,7 +231,7 @@ final class RsaOaepPrivateKey {
     final privateKey = RsaOaepPrivateKey(privateKeyImpl);
     final publicKey = RsaOaepPublicKey(publicKeyImpl);
 
-    return createKeyPair(privateKey, publicKey);
+    return (privateKey: privateKey, publicKey: publicKey);
   }
 
   /// Decrypt [data] encrypted with [RsaOaepPublicKey.encryptBytes] from the

lib/src/webcrypto/webcrypto.rsapss.dart

@@ -223,7 +223,7 @@ final class RsaPssPrivateKey {
     final privateKey = RsaPssPrivateKey(privateKeyImpl);
     final publicKey = RsaPssPublicKey(publicKeyImpl);
 
-    return createKeyPair(privateKey, publicKey);
+    return (privateKey: privateKey, publicKey: publicKey);
   }
 
   /// Sign [data] with this RSASSA-PSS private key.

lib/src/webcrypto/webcrypto.rsassapkcs1v15.dart

@@ -259,7 +259,7 @@ final class RsassaPkcs1V15PrivateKey {
     final privateKey = RsassaPkcs1V15PrivateKey(privateKeyImpl);
     final publicKey = RsassaPkcs1V15PublicKey(publicKeyImpl);
 
-    return createKeyPair(privateKey, publicKey);
+    return (privateKey: privateKey, publicKey: publicKey);
   }
 
   /// Sign [data] with this RSASSA-PKCS1-v1_5 private key.