private void Dispose(bool Disposing) { if (!_isDisposed && Disposing) { try { if (_rngGenerator != null) { _rngGenerator.Dispose(); _rngGenerator = null; } if (_seedGenerator != null) { _seedGenerator.Dispose(); _seedGenerator = null; } if (_byteBuffer != null) { Array.Clear(_byteBuffer, 0, _byteBuffer.Length); _byteBuffer = null; } } catch { } _isDisposed = true; } }
/// <summary> /// Reset the RNGCryptoServiceProvider instance. /// </summary> public void Reset() { if (_digestEngine != null) { _digestEngine.Dispose(); _digestEngine = null; } if (_seedGenerator != null) { _seedGenerator.Dispose(); _seedGenerator = null; } _digestEngine = GetDigest(_digestType); _rngGenerator = new DGCDrbg(_digestEngine); if (_stateSeed != null) { _rngGenerator.Initialize(_stateSeed); } else { _seedGenerator = GetSeedGenerator(_seedType); _rngGenerator.Initialize(_seedGenerator.GetSeed((_digestEngine.BlockSize * 2) + 8)); // 2 * block + counter (2*bs+8) } _rngGenerator.Generate(_byteBuffer); _bufferIndex = 0; }