sr25519 0.4.0

A sr25519 cryptography library in pure Dart

example/example.dart

import 'dart:convert';
import 'package:merlin/merlin.dart' as merlin;
import 'package:sr25519/sr25519.dart';

void main() {
  final msg = utf8.encode('hello friends');
  final signingCtx = utf8.encode('example');

  final merlin.Transcript signingTranscript =
      Sr25519.newSigningContext(signingCtx, msg);

  final merlin.Transcript verifyTranscript =
      Sr25519.newSigningContext(signingCtx, msg);

  final keypair = Sr25519.generateKeyPair();

  final (priv, pub) = (keypair.secretKey, keypair.publicKey);

  final Signature sig = priv.sign(signingTranscript);

  final (ok, _) = pub.verify(sig, verifyTranscript);

  assert(ok == true);
}