Use selected PasswordFormat also for login keys

ArchiSteamFarm/Bot.cs

@@ -1792,11 +1792,11 @@ namespace ArchiSteamFarm {
 				return;
 			}
 
-			byte[] sentryHash = null;
+			byte[] sentryFileHash = null;
 			if (File.Exists(SentryFile)) {
 				try {
 					byte[] sentryFileContent = File.ReadAllBytes(SentryFile);
-					sentryHash = SteamKit2.CryptoHelper.SHAHash(sentryFileContent);
+					sentryFileHash = SteamKit2.CryptoHelper.SHAHash(sentryFileContent);
 				} catch (Exception e) {
 					Logging.LogGenericException(e, BotName);
 				}
@@ -1816,15 +1816,21 @@ namespace ArchiSteamFarm {
 				password = Regex.Replace(password, @"[^\u0000-\u007F]+", "");
 			}
 
+			// Decrypt login key if needed
+			string loginKey = BotDatabase.LoginKey;
+			if (!string.IsNullOrEmpty(loginKey) && (loginKey.Length > 19)) {
+				loginKey = CryptoHelper.Decrypt(BotConfig.PasswordFormat, loginKey);
+			}
+
 			SteamUser.LogOnDetails logOnDetails = new SteamUser.LogOnDetails {
 				Username = BotConfig.SteamLogin,
 				Password = password,
 				AuthCode = AuthCode,
 				CellID = Program.GlobalDatabase.CellID,
 				LoginID = LoginID,
-				LoginKey = BotDatabase.LoginKey,
+				LoginKey = loginKey,
 				TwoFactorCode = TwoFactorCode,
-				SentryFileHash = sentryHash,
+				SentryFileHash = sentryFileHash,
 				ShouldRememberPassword = true
 			};
 
@@ -2201,7 +2207,12 @@ namespace ArchiSteamFarm {
 				return;
 			}
 
-			BotDatabase.LoginKey = callback.LoginKey;
+			string loginKey = callback.LoginKey;
+			if (!string.IsNullOrEmpty(loginKey)) {
+				loginKey = CryptoHelper.Encrypt(BotConfig.PasswordFormat, loginKey);
+			}
+
+			BotDatabase.LoginKey = loginKey;
 			SteamUser.AcceptNewLoginKey(callback);
 		}
 

ArchiSteamFarm/BotConfig.cs

@@ -59,6 +59,9 @@ namespace ArchiSteamFarm {
 		[JsonProperty]
 		internal string SteamPassword { get; set; }
 
+		[JsonProperty(Required = Required.DisallowNull)]
+		internal readonly CryptoHelper.ECryptoMethod PasswordFormat = CryptoHelper.ECryptoMethod.PlainText;
+
 		[JsonProperty]
 		internal string SteamParentalPIN { get; set; } = "0";
 
@@ -125,9 +128,6 @@ namespace ArchiSteamFarm {
 		[JsonProperty(Required = Required.DisallowNull)]
 		internal readonly HashSet<uint> GamesPlayedWhileIdle = new HashSet<uint>();
 
-		[JsonProperty(Required = Required.DisallowNull)]
-		private readonly CryptoHelper.ECryptoMethod PasswordFormat = CryptoHelper.ECryptoMethod.PlainText;
-
 		internal static BotConfig Load(string filePath) {
 			if (string.IsNullOrEmpty(filePath)) {
 				Logging.LogNullError(nameof(filePath));

ArchiSteamFarm/BotDatabase.cs

@@ -37,6 +37,7 @@ namespace ArchiSteamFarm {
 			get {
 				return _LoginKey;
 			}
+
 			set {
 				if (_LoginKey == value) {
 					return;
@@ -54,6 +55,7 @@ namespace ArchiSteamFarm {
 			get {
 				return _MobileAuthenticator;
 			}
+
 			set {
 				if (_MobileAuthenticator == value) {
 					return;

ArchiSteamFarm/CryptoHelper.cs

@@ -132,7 +132,7 @@ namespace ArchiSteamFarm {
 			try {
 				byte[] encryptedData = ProtectedData.Protect(
 					Encoding.UTF8.GetBytes(decrypted),
-					EncryptionKey, // This is used as salt only
+					EncryptionKey, // This is used as salt only and it's fine that it's known
 					DataProtectionScope.CurrentUser
 				);
 
@@ -152,7 +152,7 @@ namespace ArchiSteamFarm {
 			try {
 				byte[] decryptedData = ProtectedData.Unprotect(
 					Convert.FromBase64String(encrypted),
-					EncryptionKey, // This is used as salt only
+					EncryptionKey, // This is used as salt only and it's fine that it's known
 					DataProtectionScope.CurrentUser
 				);