Simple hash alg timings

hashtimings.txt

Timings apropos to article: http://zetetic.net/blog/2012/3/29/strong-password-hashing-for-aspnet.html

500 iterations on a 4-core i7 920;
PBKDF2 work factor 5000, bcrypt default logfactor 10

Update 30-Mar-2012: Added two cycles to shake out oddly slow MD5 performance.

0 System.Security.Cryptography.MD5CryptoServiceProvider        ->      220272 ticks
0 System.Security.Cryptography.SHA1CryptoServiceProvider       ->       10620 ticks
0 System.Security.Cryptography.SHA256CryptoServiceProvider     ->       14470 ticks
0 System.Security.Cryptography.SHA512CryptoServiceProvider     ->       14493 ticks
0 System.Security.Cryptography.HMACSHA1                        ->       59847 ticks
0 Zetetic.Security.BCryptHash                                  ->   145235436 ticks
0 Zetetic.Security.Pbkdf2Hash                                  ->   147956907 ticks
1 System.Security.Cryptography.MD5CryptoServiceProvider        ->       10037 ticks
1 System.Security.Cryptography.SHA1CryptoServiceProvider       ->        8758 ticks
1 System.Security.Cryptography.SHA256CryptoServiceProvider     ->       16351 ticks
1 System.Security.Cryptography.SHA512CryptoServiceProvider     ->       17091 ticks
1 System.Security.Cryptography.HMACSHA1                        ->       18638 ticks
1 Zetetic.Security.BCryptHash                                  ->   142438229 ticks
1 Zetetic.Security.Pbkdf2Hash                                  ->   147777115 ticks

Program code
----
static void Main(string[] args)
        {
            var salt = new byte[]{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16};

            Type[] types = new Type[]
            {
              typeof(System.Security.Cryptography.MD5CryptoServiceProvider),
              typeof(System.Security.Cryptography.SHA1CryptoServiceProvider),
              typeof(System.Security.Cryptography.SHA256CryptoServiceProvider),
              typeof(System.Security.Cryptography.SHA512CryptoServiceProvider),
              typeof(System.Security.Cryptography.HMACSHA1),
              typeof(Zetetic.Security.BCryptHash),
              typeof(Zetetic.Security.Pbkdf2Hash)
            };

            for (int warmup = 0; warmup < 2; warmup++ )
                foreach (var algtype in types)
                {
                    var sw = System.Diagnostics.Stopwatch.StartNew();

                    Parallel.ForEach<int, HashAlgorithm>(Enumerable.Range(1, 500),
                        () =>
                        {
                            var t = (HashAlgorithm)Activator.CreateInstance(algtype);
                            if (t is KeyedHashAlgorithm)
                            {
                                ((KeyedHashAlgorithm)t).Key = salt;
                            }

                            return t;
                        },
                    (i, pls, alg) =>
                    {
                        alg.ComputeHash(new byte[] { 1, 2, 3, 4 });

                        return alg;
                    },
                    (alg) => { });


                    sw.Stop();

                    Console.WriteLine("{0} {1,-60} -> {2,11} ticks", warmup, algtype, sw.Elapsed.Ticks);
                }
        }
    }