Пример #1
0
        /// <summary>
        ///     Saves the authentications into the specified file
        /// </summary>
        /// <param name="authenticationModels"></param>
        internal static void Save(BindingList <AuthenticationModel> authenticationModels)
        {
            var encryptedJsonString = CipherExtensions.EncryptString(JsonConvert.SerializeObject(authenticationModels), _authenticationKey);

            Bitmap bitmap;

            using (var stream = new FileStream(ImageFilePath, FileMode.Open, FileAccess.Read))
            {
                bitmap = SteganographyExtensions.CreateNonIndexedImage(Image.FromStream(stream));
            }

            var encryptedImage = SteganographyExtensions.SaveString(encryptedJsonString, bitmap);

            encryptedImage.Save(ImageFilePath);
        }
Пример #2
0
        /// <summary>
        ///     Loads the authentication from a file
        /// </summary>
        /// <returns></returns>
        internal static BindingList <AuthenticationModel> Load()
        {
            var authenticationModels = new BindingList <AuthenticationModel>();

            if (!IsAuthenticatedFile())
            {
                return(authenticationModels);
            }

            Bitmap bitmap;

            using (var stream = new FileStream(ImageFilePath, FileMode.Open, FileAccess.Read))
            {
                bitmap = SteganographyExtensions.CreateNonIndexedImage(Image.FromStream(stream));
            }

            var encryptedJsonString = SteganographyExtensions.GetString(new Bitmap(bitmap));
            var decryptedJsonString = CipherExtensions.DecryptString(encryptedJsonString, _authenticationKey);

            authenticationModels = JsonConvert.DeserializeObject <BindingList <AuthenticationModel> >(decryptedJsonString);

            return(authenticationModels);
        }