private async Task GetPublicKeyCommandAsync()
{
try
{
var encAss = CryptoFactoryF.CreateAsymmetricAlgoritm(ChoosenCrypto.Provider, ChoosenCrypto.Asymmetric);
var keyPublic = encAss.Export(false);
var resultForClient = new CurrentResult <byte[]>()
{
OperationWasFinishedSuccessful = true,
Result = keyPublic
};
await ReturnResultToClientAsync(resultForClient, false).ConfigureAwait(false);
AsymmetricDecrypterF = encAss;
}
catch (Exception ex)
{
var result = new ResultOfOperation()
{
ErrorMessage =
"Во время выполнения операции получения открытого ключа, возникла непредвиденная ошибка."
};
await ReturnResultToClientAsync(result, false).ConfigureAwait(false);
}
}
private async Task SetPublicKey(Stream stream)
{
try
{
AsymmetricEncrypterF = CryptoFactoryF.CreateAsymmetricAlgoritm(ChoosenCrypto.Provider,
ChoosenCrypto.Asymmetric);
var memStream = new MemoryStream();
await stream.CopyToAsync(memStream).ConfigureAwait(false);
AsymmetricEncrypterF.Import(memStream.ToArray());
await
ReturnResultToClientAsync(new ResultOfOperation()
{
OperationWasFinishedSuccessful = true
}, false)
.ConfigureAwait(false);
}
catch (ArgumentOutOfRangeException ex)
when(Type.GetType(ex.Source, false).IsAssignableFrom(typeof(IAsymmetricEncrypter)))
{
await SendResultWithError(2, 0, false).ConfigureAwait(false);
}
catch (CryptographicException ex)
{
await SendResultWithError(2, 1, false).ConfigureAwait(false);
}
}
