test/random/auto_seed_block_ctr_random_test.dart

// See file LICENSE for more information.

library test.random.auto_seed_block_ctr_random_test;

import 'dart:typed_data';

import 'package:pointycastle/pointycastle.dart';

import 'package:test/test.dart';

void main() {
  group('AutoSeedBlockCtrRandom:', () {
    final rnd = SecureRandom('AES/CTR/AUTO-SEED-PRNG');

    test('${rnd.algorithmName}', () {
      final key = Uint8List(16);
      final keyParam = KeyParameter(key);
      final params = ParametersWithIV(keyParam, Uint8List(16));

      rnd.seed(params);

      final firstExpected = [
        102,
        233,
        75,
        212,
        239,
        138,
        44,
        59,
        136,
        76,
        250,
        89,
        202,
        52,
        43,
        46,
        88
      ];
      var firstBytes = rnd.nextBytes(17);
      expect(firstBytes, firstExpected);

      final lastExpected = [
        156,
        238,
        41,
        193,
        135,
        66,
        23,
        87,
        208,
        14,
        88,
        227,
        93,
        31,
        171,
        110,
        221
      ];
      var lastBytes = rnd.nextBytes(17);
      expect(lastBytes, lastExpected);
    });
  });
}