public void AddUser(byte[] userID)
{
GenericUserRepositoryCollection userreps = userRepository.GetUserRepository(userID);
RSAEncryptingKeyValueStorage symmetricKeys = userreps.SymmetricKeys;
foreach (var sk in symmetricKeys)
{
if (!permanentStorage.ContainsKey(sk.Key))
{
//#warning SO WRONG
foreach (var cr in crs) //this is sooooooooooo wrong because ih creates unnecessary KVSs in unrelated DBs
{
permanentStorage.Add(sk.Key, new AESEncryptingKeyValueStorage(cr.LencryptedData [sk.Key], sk.Value));
}
}
}
}
public void AddChunkRepository(ChunkRepository chunkRepository)
{
crs.Add(chunkRepository);
if (chunkRepository == null)
{
throw new ArgumentNullException("chunkRepository");
}
foreach (var user in userRepository.LoggedInUsers)
{
GenericUserRepositoryCollection userreps = userRepository.GetUserRepository(user);
RSAEncryptingKeyValueStorage symmetricKeys = userreps.SymmetricKeys;
foreach (var sk in symmetricKeys)
{
if (!permanentStorage.ContainsKey(sk.Key))
{
permanentStorage.Add(sk.Key, new AESEncryptingKeyValueStorage(chunkRepository.LencryptedData [sk.Key], sk.Value));
}
}
}
}
public byte[] CreateNewKey(byte[][] userIDs)
{
Aes aes = Aes.Create();
aes.GenerateKey();
byte[] keyBytes = aes.Key;
byte[] keyID = keyBytes.SHA256();
//TODO: create AES KEY, intern it for all logged in users; sign it with the same users; RSA encrypt it for the users
foreach (var u in userRepository.LoggedInUsers)
{
GenericUserRepositoryCollection ur = userRepository.GetUserRepository(u);
ur.SymmetricKeys.Put(keyID, keyBytes);
}
foreach (var u in userIDs)
{
if (!userRepository.LoggedInUsers.Contains(u))
{
GenericUserRepositoryCollection ur = userRepository.GetUserRepository(u);
ur.SymmetricKeys.Put(keyID, keyBytes);
}
}
return(keyID);
}