public async Task Load(SecureString masterPassword)
{
using (var derivedKey = await Argon2Key.Calculate(masterPassword))
{
var data = await _fileStorage.Read();
var decryptedMasterKey = await _aesCrypter.Decrypt(data.EncryptedMasterKey, derivedKey.Value, data.Iv);
_masterKey = decryptedMasterKey;
ProtectedMemory.Protect(_masterKey, MemoryProtectionScope.SameProcess);
}
}
public async Task Create(SecureString masterPassword)
{
using (var masterKey = AesKey.Generate())
{
using (var derivedKey = await Argon2Key.Calculate(masterPassword))
{
var encryptedMasterKey = await _aesCrypter.Encrypt(masterKey.Key, derivedKey.Value, masterKey.Iv);
var storableModel = new StorageModel(encryptedMasterKey, (byte[])masterKey.Iv.Clone(), new List <PasswordModel>());
await _fileStorage.Store(storableModel);
_masterKey = new byte[masterKey.Key.Length];
masterKey.Key.CopyTo(_masterKey, 0);
ProtectedMemory.Protect(_masterKey, MemoryProtectionScope.SameProcess);
}
}
}