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Message: <blockquote data-quote="EGhewg5" data-source="post: 23491246" data-attributes="member: 567887">Machan large file ekak (2GB) encypt & decypt karanna thiyana fastma (Performance) widiya mokadda...?Mama danata stackoverflow eke thibila me code eka try kara. Eke performance madiyi.[CODE]private static void EncryptFile(string inputFile, string outputFile)        {            try            {                string password = @"myKey123"; // Your Key Here                UnicodeEncoding UE = new UnicodeEncoding();                byte[] key = UE.GetBytes(password);                string cryptFile = outputFile;                FileStream fsCrypt = new FileStream(cryptFile, FileMode.Create);                RijndaelManaged RMCrypto = new RijndaelManaged();                CryptoStream cs = new CryptoStream(fsCrypt,                    RMCrypto.CreateEncryptor(key, key),                    CryptoStreamMode.Write);                FileStream fsIn = new FileStream(inputFile, FileMode.Open);                int data;                while ((data = fsIn.ReadByte()) != -1)                    cs.WriteByte((byte)data);                fsIn.Close();                cs.Close();                fsCrypt.Close();                Console.WriteLine("Encryption Done!");            }            catch            {                Console.WriteLine("Encryption failed!");            }        }        private static void DecryptFile(string inputFile, string outputFile)        {            {                string password = @"myKey123"; // Your Key Here                UnicodeEncoding UE = new UnicodeEncoding();                byte[] key = UE.GetBytes(password);                FileStream fsCrypt = new FileStream(inputFile, FileMode.Open);                RijndaelManaged RMCrypto = new RijndaelManaged();                CryptoStream cs = new CryptoStream(fsCrypt,                    RMCrypto.CreateDecryptor(key, key),                    CryptoStreamMode.Read);                FileStream fsOut = new FileStream(outputFile, FileMode.Create);                int data;                while ((data = cs.ReadByte()) != -1)                    fsOut.WriteByte((byte)data);                fsOut.Close();                cs.Close();                fsCrypt.Close();                Console.WriteLine("Decription Done!");            }        }[/CODE]</blockquote>

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