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MD5 hash method

/ Published in: C#
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  1. /// <summary>
  2. 		///  Hash an input string and return the hash as a 32 character hexadecimal string.
  3. 		/// </summary>
  4. 		/// <param name="input"></param>
  5. 		/// <returns></returns>
  6. 		public string MD5(string input)
  7. 		{
  8. 			byte[] textBytes = System.Text.Encoding.Default.GetBytes(input);
  9. 			try
  10. 			{
  11. 				System.Security.Cryptography.MD5CryptoServiceProvider cryptHandler;
  12. 				cryptHandler = new System.Security.Cryptography.MD5CryptoServiceProvider();
  13. 				byte[] hash = cryptHandler.ComputeHash(textBytes);
  14. 				string ret = "";
  15. 				foreach (byte a in hash)
  16. 				{
  17. 					if (a < 16)
  18. 						ret += "0" + a.ToString("x");
  19. 					else
  20. 						ret += a.ToString("x");
  21. 				}
  22. 				return ret;
  23. 			}
  24. 			catch
  25. 			{
  26. 				throw;
  27. 			}
  28. 		}

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