HashSpeedTest.cs

using System;
using System.Security.Cryptography;
using System.Text;

namespace pConsole
{
	class Program
	{
		static Random rnd = new Random(DateTime.Now.Millisecond);

		static void Main(string[] args)
		{
			string k;

			int[] sizes = { 128 * 1024, 256 * 1024, 512 * 1024, 1 * 1024 * 1024, 128 * 1024 * 1024, 256 * 1024 * 1024, 512 * 1024 * 1024};

			Console.WriteLine(" ----------------------------------------------------------------------------");
			Console.WriteLine(" | Algorithm | 128 kb | 256 kb | 512 kb |  1 mb  | 128 mb | 256 mb | 512 mb |");
			Console.WriteLine(" ----------------------------------------------------------------------------");

			Hash(sizes, "md5", MD5.Create());
			Hash(sizes, "sha-1", SHA1.Create());
			Hash(sizes, "sha-256", SHA256.Create());
			Hash(sizes, "sha-384", SHA384.Create());
			Hash(sizes, "sha-512", SHA512.Create());

			Console.WriteLine(" ----------------------------------------------------------------------------");

			Console.ReadKey();
			Console.ReadKey();
			Console.ReadKey();

		}

		static void Hash(int[] buffSize, string algo, HashAlgorithm hash)
		{
			long startTick, endTick;
			long ticks;

			int i = 0;

			Console.Write(" | {0, 9} |", algo);
			using (hash)
			{
				foreach (int size in buffSize)
				{
					byte[] buff = new byte[size];
					rnd.NextBytes(buff);

					ticks = 0;
					for (i = 0; i < 5; i++)
					{
						startTick = DateTime.UtcNow.Ticks;
						hash.ComputeHash(buff);
						endTick = DateTime.UtcNow.Ticks;

						ticks += endTick - startTick;
					}

					Console.Write(" {0,6:#0.0} |", TimeSpan.FromTicks(ticks).TotalMilliseconds / 5);
				}
				Console.WriteLine();

				GC.Collect();

				hash.Clear();
			}
		}
	}
}