public async Task GenerateSplitedSecret(SecureString hsmSecret, int electionId)
{
using (var initializedHsm = await hsmFactory.GetHsm(hsmSecret))
{
var keys = keyManager.GenerateNewSerializedKeyPair();
var handle = initializedHsm.GenerateMasterKey();
var encryptedSecretKey = initializedHsm.Encrypt(handle, keys.Secretkey);
var totalNumberOfShares = (int)ShareHolders.Sum(s => s.NumberOfShares);
var splitedSecret = SecretSplitter.SplitMessage(KeySerializer.ByteArrayToString(encryptedSecretKey), Treshold, totalNumberOfShares);
int index = 0;
foreach (var shareHolder in ShareHolders)
{
var shares = splitedSecret.Skip(index).Take((int)shareHolder.NumberOfShares);
index += (int)shareHolder.NumberOfShares;
var bytes = SerializeShares(shares.ToArray());
await shareHolder.SaveShares(bytes);
}
await centralDbRepository.SaveCryptoDetailsAsync(electionId, handle, keys.PublicKey);
}
}
public AesKey(AesManaged initializedAes)
{
aesManaged = initializedAes;
IV = KeySerializer.ByteArrayToString(initializedAes.IV);
Key = KeySerializer.ByteArrayToString(initializedAes.Key);
}