System.Web.Security.FormsAuthentication.Authenticate C# (CSharp) Method

		public static bool Authenticate (string name, string password)
		{
			if (name == null || password == null)
				return false;

			Initialize ();
			HttpContext context = HttpContext.Current;
			if (context == null)
				throw new HttpException ("Context is null!");

			name = name.ToLower (Helpers.InvariantCulture);

			AuthenticationSection section = (AuthenticationSection) WebConfigurationManager.GetSection (authConfigPath);
			FormsAuthenticationCredentials config = section.Forms.Credentials;
			FormsAuthenticationUser user = config.Users[name];
			string stored = null;

			if (user != null)
				stored = user.Password;

			if (stored == null)
				return false;

			bool caseInsensitive = true;
			switch (config.PasswordFormat) {
				case FormsAuthPasswordFormat.Clear:
					caseInsensitive = false;
					/* Do nothing */
					break;
				case FormsAuthPasswordFormat.MD5:
					password = HashPasswordForStoringInConfigFile (password, FormsAuthPasswordFormat.MD5);
					break;
				case FormsAuthPasswordFormat.SHA1:
					password = HashPasswordForStoringInConfigFile (password, FormsAuthPasswordFormat.SHA1);
					break;
			}

			return String.Compare (password, stored, caseInsensitive ? StringComparison.OrdinalIgnoreCase : StringComparison.Ordinal) == 0;
		}