public void MoveEntry(int from, int to) { if (UseMaFiles) { if (from < 0 || to < 0 || from > Entries.Count || to > Entries.Count - 1) { return; } ManifestEntry sel = Entries[from]; Entries.RemoveAt(from); Entries.Insert(to, sel); Save(); } else { credMan = CredManifest.GetManifest(); if (from < 0 || to < 0 || from > credMan.Entries.Count || to > credMan.Entries.Count - 1) { return; } CredManifestEntry sel = credMan.Entries[from]; credMan.Entries.RemoveAt(from); credMan.Entries.Insert(to, sel); credMan.Save(); } }
/// <summary> /// Decrypts/Encrypts all account files (depending on DPAPI setting) /// </summary> /// <returns></returns> public bool UpdateDPAPI() { credMan = CredManifest.GetManifest(); if (UseMaFiles) { string maDir = GetExecutableDir() + "/maFiles/"; for (int i = 0; i < Entries.Count; i++) { ManifestEntry entry = Entries[i]; string filename = maDir + entry.FileName; if (!File.Exists(filename)) { continue; } string fileContents = File.ReadAllText(filename); fileContents = Encryptor.DPAPIUnprotect(fileContents, Encryptor.AccountEntropy); string toWriteFileContents = fileContents; if (UseDPAPI == true) { toWriteFileContents = Encryptor.DPAPIProtect(toWriteFileContents, Encryptor.AccountEntropy); } File.WriteAllText(filename, toWriteFileContents); if (UseWindowsFileEncryption) { File.Encrypt(filename); } else { File.Decrypt(filename); } } } else { foreach (CredManifestEntry entry in credMan.Entries) { string fileContents = entry.Contents; string toWriteFileContents = Encryptor.DPAPIUnprotect(fileContents, Encryptor.AccountEntropy); if (UseDPAPI) { toWriteFileContents = Encryptor.DPAPIProtect(toWriteFileContents, Encryptor.AccountEntropy); } entry.Contents = toWriteFileContents; } credMan.Save(); } Save(); return(true); }
public SecureString PromptForPasskey() { if (!Encrypted) { throw new ManifestNotEncryptedException(); } bool passkeyValid = false; SecureString passkey = null; try { if (CredentialLocker) { credMan = CredManifest.GetManifest(); if (credMan.Key.Length >= 1) { if (VerifyPasskey(credMan.Key)) { passkeyValid = true; passkey = credMan.Key; } } } } catch (Exception) { } while (!passkeyValid) { InputForm passkeyForm = new InputForm(Properties.strings.ManifestEnterKey, true); passkeyForm.ShowDialog(Application.Current.Windows.OfType <Window>().SingleOrDefault(x => x.IsActive)); // Gets the current active window and passes that to the input form (so it can center) if (!passkeyForm.Canceled) { passkey = passkeyForm.txtPass.SecurePassword; if (!VerifyPasskey(passkey)) { MessageBox.Show(Properties.strings.ManifestKeyInvalid); } else { passkeyValid = true; if (CredentialLocker) { credMan = CredManifest.GetManifest(); credMan.Key = passkey; credMan.Save(); } } } else { return(null); } } return(passkey); }
private static CredManifest _generateNewManifest(SecureString key) { // No directory means no manifest file anyways. CredManifest newManifest = new CredManifest { Key = key, Entries = new List <CredManifestEntry>() }; if (newManifest.Save()) { return(newManifest); } return(null); }
public bool RemoveAccount(SteamGuardAccount account, bool deleteMaFile = true) { if (UseMaFiles) { ManifestEntry entry = (from e in this.Entries where e.SteamID == account.Session.SteamID select e).FirstOrDefault(); if (entry == null) { return(true); // If something never existed, did you do what they asked? } string maDir = GetExecutableDir() + "/maFiles/"; string filename = maDir + entry.FileName; this.Entries.Remove(entry); if (Entries.Count == 0) { Encrypted = false; } if (Save() && deleteMaFile) { try { File.Delete(filename); return(true); } catch (Exception) { return(false); } } } else { credMan = CredManifest.GetManifest(); CredManifestEntry entry = (from e in credMan.Entries where e.SteamID == account.Session.SteamID select e).FirstOrDefault(); if (entry == null) { return(true); } credMan.Entries.Remove(entry); if (credMan.Entries.Count == 0) { Encrypted = false; } return(credMan.Save()); } return(false); }
public bool SaveAccount(SteamGuardAccount account, bool encrypt, SecureString passkey = null) { if (encrypt && passkey != null && passkey.Length >= 1) { return(false); } if (!encrypt && this.Encrypted) { return(false); } if (account == null) { return(false); } if (UseMaFiles) { string salt = null; string iV = null; string jsonAccount = JsonConvert.SerializeObject(account); if (encrypt) { salt = Encryptor.GetRandomSalt(); iV = Encryptor.GetInitializationVector(); string encrypted = "Encrypted" + Encryptor.EncryptData(passkey, salt, iV, jsonAccount); if (encrypted == null) { return(false); } jsonAccount = encrypted; } if (UseDPAPI) { jsonAccount = Encryptor.DPAPIProtect(jsonAccount, Encryptor.AccountEntropy); } string maDir = GetExecutableDir() + "/maFiles/"; string filename = account.Session.SteamID.ToString() + ".maFile"; ManifestEntry newEntry = new ManifestEntry() { SteamID = account.Session.SteamID, IV = iV, Salt = salt, FileName = filename, }; bool foundExistingEntry = false; for (int i = 0; i < this.Entries.Count; i++) { if (Entries[i].SteamID == account.Session.SteamID) { Entries[i] = newEntry; foundExistingEntry = true; break; } } if (!foundExistingEntry) { Entries.Add(newEntry); } bool wasEncrypted = Encrypted; Encrypted = encrypt || Encrypted; if (!Save()) { Encrypted = wasEncrypted; return(false); } try { File.WriteAllText(maDir + filename, jsonAccount); if (UseWindowsFileEncryption) { File.Encrypt(maDir + filename); } else { File.Decrypt(maDir + filename); } return(true); } catch (Exception) { return(false); } } else { try { credMan = CredManifest.GetManifest(); string salt = null; string iV = null; string jsonAccount = JsonConvert.SerializeObject(account); bool fileEncrypted = false; if (encrypt) { salt = Encryptor.GetRandomSalt(); iV = Encryptor.GetInitializationVector(); string encrypted = "Encrypted" + Encryptor.EncryptData(passkey, salt, iV, jsonAccount); if (encrypted == null) { return(false); } jsonAccount = encrypted; fileEncrypted = true; } if (UseDPAPI) { jsonAccount = Encryptor.DPAPIProtect(jsonAccount, Encryptor.AccountEntropy); } CredManifestEntry newEntry = new CredManifestEntry() { SteamID = account.Session.SteamID, IV = iV, Salt = salt, Contents = jsonAccount, Encrypted = fileEncrypted, }; bool foundExistingEntry = false; for (int i = 0; i < credMan.Entries.Count; i++) { if (credMan.Entries[i].SteamID == account.Session.SteamID) { credMan.Entries[i] = newEntry; foundExistingEntry = true; break; } } if (!foundExistingEntry) { credMan.Entries.Add(newEntry); } credMan.Save(); bool wasEncrypted = Encrypted; Encrypted = encrypt || Encrypted; if (!Save()) { Encrypted = wasEncrypted; return(false); } return(true); } catch (Exception) { return(false); } } }
public bool ChangeEncryptionKey(SecureString oldKey, SecureString newKey) { if (Encrypted) { if (!VerifyPasskey(oldKey)) { return(false); } } bool toEncrypt = newKey != null; credMan = CredManifest.GetManifest(); if (UseMaFiles) { string maDir = GetExecutableDir() + "/maFiles/"; for (int i = 0; i < Entries.Count; i++) { ManifestEntry entry = Entries[i]; string filename = maDir + entry.FileName; if (!File.Exists(filename)) { continue; } string fileContents = File.ReadAllText(filename); fileContents = Encryptor.DPAPIUnprotect(fileContents, Encryptor.AccountEntropy); if (fileContents.StartsWith("Encrypted")) { fileContents = Encryptor.DecryptData(oldKey, entry.Salt, entry.IV, fileContents.Remove(0, 9)); } string newSalt = null; string newIV = null; string toWriteFileContents = fileContents; if (toEncrypt) { newSalt = Encryptor.GetRandomSalt(); newIV = Encryptor.GetInitializationVector(); toWriteFileContents = "Encrypted" + Encryptor.EncryptData(newKey, newSalt, newIV, fileContents); } if (UseDPAPI) { toWriteFileContents = Encryptor.DPAPIProtect(toWriteFileContents, Encryptor.AccountEntropy); } File.WriteAllText(filename, toWriteFileContents); if (UseWindowsFileEncryption) { File.Encrypt(filename); } else { File.Decrypt(filename); } entry.IV = newIV; entry.Salt = newSalt; } } else { foreach (CredManifestEntry entry in credMan.Entries) { string fileContents = entry.Contents; fileContents = Encryptor.DPAPIUnprotect(fileContents, Encryptor.AccountEntropy); if (fileContents.StartsWith("Encrypted")) { fileContents = Encryptor.DecryptData(oldKey, entry.Salt, entry.IV, fileContents.Remove(0, 9)); } string newSalt = null; string newIV = null; string toWriteFileContents = fileContents; if (toEncrypt) { newSalt = Encryptor.GetRandomSalt(); newIV = Encryptor.GetInitializationVector(); toWriteFileContents = "Encrypted" + Encryptor.EncryptData(newKey, newSalt, newIV, fileContents); } else { entry.Encrypted = false; } if (UseDPAPI) { toWriteFileContents = Encryptor.DPAPIProtect(toWriteFileContents, Encryptor.AccountEntropy); } entry.Contents = toWriteFileContents; entry.IV = newIV; entry.Salt = newSalt; } credMan.Key = newKey; credMan.Save(); } Encrypted = toEncrypt; Save(); return(true); }