ninja_ed25519

Description:

ninja ed25519

ninja_ed25519 #
Dart package to generate Ed25519 keys, sign and verify messages.
Example #
Read private key hex #
import 'package:ninja_ed25519/ninja_ed25519.dart';

void printPubKey(String pkeyHex) {
final k = PrivateKey.fromHex(pkeyHex);
print(k.publicKey.asHex);
}

void main() {
// 9e29899c25c007f38449c3df583870b6a843baa9598cba83b53b4501716aa9fb
printPubKey(
'96d54cd4f1d71e10a1eb76125aad65219cded6a987fd0b6cc1f758417b99d20c');
// 7a9433b483f275485300b834f4489786d2c3acc6b00efa89435e9ed45ebfa9ed
printPubKey(
'9468b7a83b937c0a438a802c841183401d690f18742cfea6b9096f865ef84e02');
}
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Sign and verify #
import 'dart:convert';
import 'dart:typed_data';

import 'package:ninja_ed25519/ninja_ed25519.dart';

void main() {
final seed = RFC8032Seed.fromBase64(
'EIKfPPFkqu9BRtpHq5kg7nqVRjyXDZiksxWq3gFcOh5Q3qQNqlsPhFLz4blZv7usf6MmJErzn5ONz0U2xEu2Jw==');
print(seed.publicKey.asBase64);
final msg = utf8.encode('test message') as Uint8List;
final sig = seed.sign(msg);
print(base64Encode(sig));
print(seed.publicKey.verify(msg, sig) ? 'Verified!' : 'Invalid!');
}
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