Minor fixes to address style issues

Emby.Server.Implementations/Library/DefaultAuthenticationProvider.cs

@@ -50,22 +50,22 @@ namespace Emby.Server.Implementations.Library
             byte[] passwordbytes = Encoding.UTF8.GetBytes(password);
 
             PasswordHash readyHash = new PasswordHash(resolvedUser.Password);
-            byte[] CalculatedHash;
-            string CalculatedHashString;
+            byte[] calculatedHash;
+            string calculatedHashString;
             if (_cryptographyProvider.GetSupportedHashMethods().Contains(readyHash.Id))
             {
                 if (string.IsNullOrEmpty(readyHash.Salt))
                 {
-                    CalculatedHash = _cryptographyProvider.ComputeHash(readyHash.Id, passwordbytes);
-                    CalculatedHashString = BitConverter.ToString(CalculatedHash).Replace("-", string.Empty);
+                    calculatedHash = _cryptographyProvider.ComputeHash(readyHash.Id, passwordbytes);
+                    calculatedHashString = BitConverter.ToString(calculatedHash).Replace("-", string.Empty);
                 }
                 else
                 {
-                    CalculatedHash = _cryptographyProvider.ComputeHash(readyHash.Id, passwordbytes, readyHash.SaltBytes);
-                    CalculatedHashString = BitConverter.ToString(CalculatedHash).Replace("-", string.Empty);
+                    calculatedHash = _cryptographyProvider.ComputeHash(readyHash.Id, passwordbytes, readyHash.SaltBytes);
+                    calculatedHashString = BitConverter.ToString(calculatedHash).Replace("-", string.Empty);
                 }
 
-                if (CalculatedHashString == readyHash.Hash)
+                if (calculatedHashString == readyHash.Hash)
                 {
                     success = true;
                     // throw new Exception("Invalid username or password");

Emby.Server.Implementations/Library/UserManager.cs

@@ -475,11 +475,6 @@ namespace Emby.Server.Implementations.Library
                 : user.EasyPassword;
         }
 
-        private bool IsPasswordEmpty(User user, string passwordHash)
-        {
-            return string.IsNullOrEmpty(passwordHash);
-        }
-
         /// <summary>
         /// Loads the users from the repository
         /// </summary>
@@ -522,14 +517,14 @@ namespace Emby.Server.Implementations.Library
                 throw new ArgumentNullException(nameof(user));
             }
 
-            var hasConfiguredPassword = GetAuthenticationProvider(user).HasPassword(user).Result;
-            var hasConfiguredEasyPassword = !IsPasswordEmpty(user, GetLocalPasswordHash(user));
+            bool hasConfiguredPassword = GetAuthenticationProvider(user).HasPassword(user).Result;
+            bool hasConfiguredEasyPassword = string.IsNullOrEmpty(GetLocalPasswordHash(user));
 
-            var hasPassword = user.Configuration.EnableLocalPassword && !string.IsNullOrEmpty(remoteEndPoint) && _networkManager.IsInLocalNetwork(remoteEndPoint) ?
+            bool hasPassword = user.Configuration.EnableLocalPassword && !string.IsNullOrEmpty(remoteEndPoint) && _networkManager.IsInLocalNetwork(remoteEndPoint) ?
                 hasConfiguredEasyPassword :
                 hasConfiguredPassword;
 
-            var dto = new UserDto
+            UserDto dto = new UserDto
             {
                 Id = user.Id,
                 Name = user.Name,
@@ -548,7 +543,7 @@ namespace Emby.Server.Implementations.Library
                 dto.EnableAutoLogin = true;
             }
 
-            var image = user.GetImageInfo(ImageType.Primary, 0);
+            ItemImageInfo image = user.GetImageInfo(ImageType.Primary, 0);
 
             if (image != null)
             {

MediaBrowser.Model/Cryptography/PasswordHash.cs

@@ -100,13 +100,14 @@ namespace MediaBrowser.Model.Cryptography
 
         public static byte[] ConvertFromByteString(string byteString)
         {
-            List<byte> Bytes = new List<byte>();
+            List<byte> bytes = new List<byte>();
             for (int i = 0; i < byteString.Length; i += 2)
             {
-                Bytes.Add(Convert.ToByte(byteString.Substring(i, 2),16));
+                // TODO: NetStandard2.1 switch this to use a span instead of a substring.
+                bytes.Add(Convert.ToByte(byteString.Substring(i, 2),16));
             }
 
-            return Bytes.ToArray();
+            return bytes.ToArray();
         }
 
         public static string ConvertToByteString(byte[] bytes)