1

Hi,

Trying to add server side hi-scores to my game, but struggling with this error. I’m using the script located here: link text Thanks

Error is: The name MD5Test does not exist in the current context. It originates from line 6 of the code posted below.

// Post Score
	IEnumerator PostScores()
	{
		 //This connects to a server side php script that will add the name and score to a MySQL DB.
        // Supply it with a string representing the players name and the players score.
        string hash = MD5Test.Md5Sum(userName + score + secretKey);
 
        string post_url = addScoreURL + "name=" + WWW.EscapeURL(name) + "&score=" + score + "&hash=" + hash;
 
        // Post the URL to the site and create a download object to get the result.
        WWW hs_post = new WWW(post_url);
        yield return hs_post; // Wait until the download is done
 
        if (hs_post.error != null)
        {
            print("There was an error posting the high score: " + hs_post.error);
        }
	}
2

Looks like the script is missing an MD5 hash function. There’s one here: http://wiki.unity3d.com/index.php?title=MD5

Don’t know how cross platform it is if that’s an issue.

3

In the article you have a link to this page:
http://wiki.unity3d.com/index.php/MD5

Here you have the function:

public  string Md5Sum(string strToEncrypt)
{
	System.Text.UTF8Encoding ue = new System.Text.UTF8Encoding();
	byte[] bytes = ue.GetBytes(strToEncrypt);
 
	// encrypt bytes
	System.Security.Cryptography.MD5CryptoServiceProvider md5 = new System.Security.Cryptography.MD5CryptoServiceProvider();
	byte[] hashBytes = md5.ComputeHash(bytes);
 
	// Convert the encrypted bytes back to a string (base 16)
	string hashString = "";
 
	for (int i = 0; i < hashBytes.Length; i++)
	{
		hashString += System.Convert.ToString(hashBytes*, 16).PadLeft(2, '0');*

  • }*

  • return hashString.PadLeft(32, ‘0’);*
    }
    And you can put:
    string hash = Md5Sum(name + score + secretKey);