public void Execute()
{
var sha256 = new SHA256();
sha256.Initialize();
sha256.Update(data);
sha256.Final(hash);
}
unsafe void Start()
{
Stopwatch stopWatch = new Stopwatch();
stopWatch.Start();
var file = File.OpenRead(Application.streamingAssetsPath + "/data");
SHA256 sha256 = new SHA256();
SHA256.Initialize(&sha256);
var buffer = new byte[64 * 1024];
for (;;)
{
var n = file.Read(buffer, 0, buffer.Length);
if (n == 0)
{
break;
}
fixed(byte *p = buffer)
{
SHA256.Update(&sha256, p, n);
}
}
var hash = new NativeArray <byte>(32, Allocator.Temp);
SHA256.Final(&sha256, hash);
stopWatch.Stop();
TimeSpan ts = stopWatch.Elapsed;
Debug.Log($"{ts.Hours:00}:{ts.Minutes:00}:{ts.Seconds:00}.{ts.Milliseconds / 10:00}");
Debug.Log($"{hash[0]:X2}{hash[1]:X2}{hash[2]:X2}{hash[3]:X2}{hash[4]:X2}{hash[5]:X2}{hash[6]:X2}{hash[7]:X2}{hash[8]:X2}{hash[9]:X2}{hash[10]:X2}{hash[11]:X2}{hash[12]:X2}{hash[13]:X2}{hash[14]:X2}{hash[15]:X2}{hash[16]:X2}{hash[17]:X2}{hash[18]:X2}{hash[19]:X2}{hash[20]:X2}{hash[21]:X2}{hash[22]:X2}{hash[23]:X2}{hash[24]:X2}{hash[25]:X2}{hash[26]:X2}{hash[27]:X2}{hash[28]:X2}{hash[29]:X2}{hash[30]:X2}{hash[31]:X2}");
}
