DNDUtility DLL

using System.ServiceModel;
using System.Xml.Linq;
using System.Security.Cryptography;
using System.Text;
using System.IO;

namespace DNDUtility
{
    using ContentService;

    public class DataManager
    {
        static WSHttpBinding customBinding = new WSHttpBinding(SecurityMode.None) { AllowCookies = true, MaxReceivedMessageSize = 200000000, Name = "CustomBinding_IContentVaultService"};
        static EndpointAddress remoteAddress = new EndpointAddress("http://ioun.wizards.com/ContentVault.svc");
        static ContentVaultServiceClient contentClient = new ContentVaultServiceClient(customBinding, remoteAddress);

        public static bool Login(string user, string pass)
        {
            return contentClient.Login(user,
                SimpleEncrypt(pass, user));
        }

        public static string[] GetChars()
        {
            ContentInfo[] content = contentClient.GetAvailableContent(0);

            string[] chars = new string[content.Length];

            for (int i = 0; i < content.Length; i++)
            {
                XDocument doc = XDocument.Parse(content[i].CommittedContent.Details.ToString());
                var name = doc.Element("CharacterDetails").Element("Name").Value;

                chars[i] = string.Format("{0} : {1}", i, name);
            }

            return chars;
        }

        /*public static void GetData()
        {
            ContentInfo[] content = contentClient.GetAvailableContent(0);

            DataWithVersion data = contentClient.GetData(
                new ContentIdentifier() { ContentID = content[0].CommittedContent.Identifier.ContentID },
                null);

            RawContentBlob blob = data.Data as RawContentBlob;

            String charFile = new UTF8Encoding().GetString(blob.RawData, 0, blob.RawData.Length);

            XDocument doc = XDocument.Parse(charFile);
            doc.Save(@"d:\Users\Tim Williams\Desktop\Work Documents\TerabyteTim\DND App\ContentVault\ConsoleApplication1\contentdoc.xml");
        }

        //Updates the given character with new data from an XML sheet.
        public static void SaveData(int charNum, byte[] newData)
        {
            ContentInfo[] content = contentClient.GetAvailableContent(0);

            ContentIdentifier newID = contentClient.Edit(content[charNum].CommittedContent.Identifier);

            contentClient.UpdateData(newID, newData,
                content[charNum].CommittedContent.Details);

            contentClient.Commit(newID, newID);
        }*/

        public static byte[] SimpleEncrypt(string value, string key)
        {
            byte[] buffer2;
            ICryptoTransform transform = GetSimpleAlgorithm(key).CreateEncryptor();
            using (MemoryStream stream = new MemoryStream())
            {
                using (CryptoStream stream2 = new CryptoStream(stream, transform, CryptoStreamMode.Write))
                {
                    byte[] bytes = Encoding.UTF8.GetBytes(value);
                    stream2.Write(bytes, 0, bytes.Length);
                    stream2.Flush();
                    stream2.FlushFinalBlock();
                    stream.Position = 0L;
                    buffer2 = stream.ToArray();
                }
            }
            return buffer2;
        }

        static SymmetricAlgorithm GetSimpleAlgorithm(string key)
        {
            AesManaged aes = new AesManaged();
            byte[] source = new SHA256Managed().ComputeHash(Encoding.UTF8.GetBytes(key));

            byte[] take = new byte[aes.BlockSize / 8];
            for (int i = 0; i < aes.BlockSize / 8; i++)
            {
                take[i] = source[i];
            }

            return new AesManaged { Key = source, IV = take };
        }
    }
}