Update dependencies and optimize code

.github/workflows/dart.yml

@@ -12,10 +12,7 @@ on:
 
 jobs:
   build:
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-latest]
+    runs-on: ubuntu-latest
 
     steps:
       - uses: actions/checkout@v3.5.0

CHANGELOG.md

@@ -6,3 +6,8 @@
 
 ## 1.0.2
 - Update ReadMe.
+
+## 1.0.3
+- Optimizations
+- Fix example
+- Update ReadMe.

README.md

@@ -15,9 +15,9 @@ It automates the [Fiat-Shamir](https://en.wikipedia.org/wiki/Fiat–Shamir_heuri
   // Simple Transcript
   final transcript = Transcript('test protocol');
 
-  transcript.appendMessage(Uint8List.fromList(utf8.encode('some label')), Uint8List.fromList(utf8.encode('some data')));
+  transcript.appendMessage(utf8.encode('some label'), utf8.encode('some data'));
 
-  final cBytes = transcript.extractBytes(Uint8List.fromList(utf8.encode('challenge')), 32);
+  final cBytes = transcript.extractBytes(utf8.encode('challenge'), 32);
 
   // cHex = d5a21972d0d5fe320c0d263fac7fffb8145aa640af6e9bca177c03c7efcf0615
   final cHex = hex.encode(cBytes);

example/example.dart

@@ -9,11 +9,9 @@ void main() {
     //Simple Transcript
     final mt = Transcript('test protocol');
 
-    mt.appendMessage(Uint8List.fromList(utf8.encode('some label')),
-        Uint8List.fromList(utf8.encode('some data')));
+    mt.appendMessage(utf8.encode('some label'), utf8.encode('some data'));
 
-    final cBytes =
-        mt.extractBytes(Uint8List.fromList(utf8.encode('challenge')), 32);
+    final cBytes = mt.extractBytes(utf8.encode('challenge'), 32);
 
     // d5a21972d0d5fe320c0d263fac7fffb8145aa640af6e9bca177c03c7efcf0615
     final cHex = hex.encode(cBytes);
@@ -27,7 +25,7 @@ void main() {
 
     final data = Uint8List(1024)..fillRange(0, 1024, 99);
 
-    late List<int> chlBytes;
+    late Uint8List chlBytes;
     for (var i = 0; i < 32; i++) {
       chlBytes = tr.extractBytes(utf8.encode('challenge'), 32);
       tr

lib/merlin.dart

@@ -3,16 +3,18 @@ import 'dart:typed_data';
 import 'package:strobe/strobe.dart';
 
 const merlinProtocolLabel = 'Merlin v1.0';
-const domainSeparatorLabel = 'dom-sep';
+//const domainSeparatorLabel = 'dom-sep';
+final domainSeparatorLabel =
+    Uint8List.fromList([100, 111, 109, 45, 115, 101, 112]);
 
 class Transcript {
   late Strobe s;
   Transcript(String appLabel) {
     s = Strobe.initStrobe(merlinProtocolLabel, Security.bit128);
-    appendMessage(utf8.encode(domainSeparatorLabel), utf8.encode(appLabel));
+    appendMessage(domainSeparatorLabel, utf8.encode(appLabel));
   }
 
-  // Append adds the message to the transcript with the supplied label.
+  /// Append adds the message to the transcript with the supplied label.
   void appendMessage(List<int> label, List<int> message) {
     final sizeBuffer = Uint8List(4);
     ByteData.view(sizeBuffer.buffer)
@@ -24,11 +26,11 @@ class Transcript {
       ..aD(false, message);
   }
 
-  // ExtractBytes returns a buffer filled with the verifier's challenge bytes.
-  // The label parameter is metadata about the challenge, and is also appended to
-  // the transcript. See the Transcript Protocols section of the Merlin website
-  // for details on labels.
-  List<int> extractBytes(List<int> label, int outLen) {
+  /// ExtractBytes returns a buffer filled with the verifier's challenge bytes.
+  /// The label parameter is metadata about the challenge, and is also appended to
+  /// the transcript. See the Transcript Protocols section of the Merlin website
+  /// for details on labels.
+  Uint8List extractBytes(List<int> label, int outLen) {
     final sizeBuffer = Uint8List(4);
     ByteData.view(sizeBuffer.buffer).setUint32(0, outLen, Endian.little);
 

pubspec.yaml

@@ -1,13 +1,13 @@
 name: merlin
 description: Merlin is a STROBE-based transcript construction for zero-knowledge proofs.
-version: 1.0.2
+version: 1.0.3
 repository: https://github.com/justkawal/merlin
 
 environment:
   sdk: ^3.1.5
 
 dependencies:
-  strobe: ^1.0.2
+  strobe: ^1.0.4
 
 dev_dependencies:
   convert: ^3.1.1

test/merlin_test.dart

@@ -7,11 +7,9 @@ import 'package:test/test.dart';
 void main() {
   test('Test Simple Transcript', () {
     final mt = Transcript('test protocol');
-    mt.appendMessage(Uint8List.fromList(utf8.encode('some label')),
-        Uint8List.fromList(utf8.encode('some data')));
+    mt.appendMessage(utf8.encode('some label'), utf8.encode('some data'));
 
-    final cBytes =
-        mt.extractBytes(Uint8List.fromList(utf8.encode('challenge')), 32);
+    final cBytes = mt.extractBytes(utf8.encode('challenge'), 32);
     final cHex = hex.encode(cBytes);
 
     expect(cHex,
@@ -24,7 +22,7 @@ void main() {
 
     final data = Uint8List(1024)..fillRange(0, 1024, 99);
 
-    late List<int> chlBytes;
+    late Uint8List chlBytes;
     for (var i = 0; i < 32; i++) {
       chlBytes = tr.extractBytes(utf8.encode('challenge'), 32);
       tr