private async Task GetSessionKey(Stream stream)
{
try
{
Tuple <ICryptoTransform, ICryptoTransform, KeyDataForSymmetricAlgorithm> encSym =
CryptoFactoryF.CreateSymmetricAlgoritm(ChoosenCrypto.Provider, ChoosenCrypto.Symmetric);
var resultForClient = new CurrentResult <KeyDataForSymmetricAlgorithm>()
{
OperationWasFinishedSuccessful = true,
Result = encSym.Item3
};
await ReturnResultToClientAsync(resultForClient, true).ConfigureAwait(false);
EncrypterF = encSym.Item1;
DecryptorF = encSym.Item2;
}
catch (Exception ex)
{
var result = new ResultOfOperation()
{
ErrorMessage =
"Во время выполнения операции получения сессионного ключа, возникла непредвиденная ошибка."
};
await ReturnResultToClientAsync(result, true).ConfigureAwait(false);
}
}
