content

	
	// API level authentication field
	// [JsonProperty("api_auth_token")]
	public string GetApiAuthToken(string jsonRequest)
	{
		/* API Level authentication requires an additional ‘api_auth_token’ key/value added to the POST message.   
		 * This token is generated calculating the MD5 sum of the concatenation of the value sent in apirequest, 
		 * the literal string ‘:’ and the api_key */
		string api_key = "007ea564129df0fd72eca0df9228245d324c301dddc9254b35a0cd93c4101718";
		string hashedValue = "";
		
		Debug.Log("Generating API hash for : " + jsonRequest);
		
		// quicker way:
		/*string strInput = jsonRequest + ":" + api_key;
		byte[] inputBytes = System.Text.Encoding.ASCII.GetBytes(strInput);
        return System.BitConverter.ToString(new System.Security.Cryptography.MD5CryptoServiceProvider().ComputeHash(inputBytes)).Replace("-", "").ToLower();
		*/
		// VVV longer way....
		
		// create the hash object & poulate it with the bytes of the input string.
		
		System.Security.Cryptography.MD5 md5Hash = new System.Security.Cryptography.MD5CryptoServiceProvider();
		byte[] hashRequest = System.Text.Encoding.ASCII.GetBytes(jsonRequest + ":" + api_key);
		
		// do the hashing...
		byte[] hashResult = md5Hash.ComputeHash(hashRequest);
		
		// convert back to a string (x2 for lowercase)
		System.Text.StringBuilder result = new System.Text.StringBuilder(hashResult.Length * 2);
		for(int i = 0; i < hashResult.Length; i++)
		{
			result.Append(hashResult[i].ToString("x2"));
		}
		
		
		hashedValue = result.ToString();
		return hashedValue;
		
	}
}