private Stream GetCryptoStream(File file, FileUploadedDelegate onUploaded)
{
var info = CryptoUtil.GetCryptoKeyAndSalt(_cloud.Account.Credentials.PasswordCrypt);
var xts = XtsAes256.Create(info.Key, info.IV);
file.ServiceInfo.CryptInfo = new CryptInfo
{
PublicKey = new CryptoKeyInfo {
Salt = info.Salt, IV = info.IV
},
AlignBytes = (uint)(file.Size % XTSWriteOnlyStream.BlockSize != 0
? XTSWriteOnlyStream.BlockSize - file.Size % XTSWriteOnlyStream.BlockSize
: 0)
};
var size = file.OriginalSize % XTSWriteOnlyStream.BlockSize == 0
? file.OriginalSize.DefaultValue
: (file.OriginalSize / XTSWriteOnlyStream.BlockSize + 1) * XTSWriteOnlyStream.BlockSize;
var ustream = new SplittedUploadStream(file.FullPath, _cloud, size, false, file.ServiceInfo.CryptInfo);
if (onUploaded != null)
{
ustream.FileUploaded += onUploaded;
}
// ReSharper disable once RedundantArgumentDefaultValue
var encustream = new XTSWriteOnlyStream(ustream, xts, XTSWriteOnlyStream.DefaultSectorSize);
return(encustream);
}
private Stream GetPlainStream(File file, FileUploadedDelegate onUploaded)
{
var stream = new SplittedUploadStream(file.FullPath, _cloud, file.Size);
if (onUploaded != null)
{
stream.FileUploaded += onUploaded;
}
return(stream);
}
