private async void Start()
{
StatusString = "Generating key file...";
try
{
long bytesCount = new FileInfo(SourceFilePath).Length;
await Vernam.GenerateKeyFileAsync(_keyFilePath, bytesCount, 80_000);
FileStream inKeyStream = new FileStream(_keyFilePath, FileMode.Open, FileAccess.Read);
Start(Vernam.Get(inKeyStream));
}
catch (Exception e)
{
StatusString = "Error: " + e.Message;
}
}
public VernamDecryptVM(string filePath, string destFilePath, string keyFilePath, bool isDeleteAfter)
: base(isDeleteAfter, CryptoDirection.Decrypt)
{
SourceFilePath = filePath;
DestFilePath = destFilePath;
CryptoName = "Vernam";
try
{
FileStream inKeyStream = new FileStream(keyFilePath, FileMode.Open, FileAccess.Read);
Start(Vernam.Get(inKeyStream));
}
catch (Exception e)
{
StatusString = "Error open key stream: " + e.Message;
}
}
public async Task <ActionResult <string> > Post(IFormFile message, IFormFile key)
{
byte[] fileBytesMessage, fileBytesKey;
if (message == null || key == null)
{
ModelState.AddModelError("Error", "Некорректные параметры");
return(BadRequest(ModelState));
}
if (message.Length > 0 && key.Length > 0)
{
using (var ms = new MemoryStream())
{
message.CopyTo(ms);
fileBytesMessage = ms.ToArray();
}
using (var ms = new MemoryStream())
{
key.CopyTo(ms);
fileBytesKey = ms.ToArray();
}
if (fileBytesKey.Length != fileBytesMessage.Length)
{
ModelState.AddModelError("Error", "Длина ключа и сообщения не совпадают");
return(BadRequest(ModelState));
}
var vernam = new Vernam(fileBytesKey);
var result = vernam.Encode(fileBytesMessage);
var path = "(Vernam)" + message.FileName;
using (var fs = System.IO.File.Create(_environment.WebRootPath + "/" + path))
{
fs.Write(result, 0, result.Count());
fs.Flush();
return(path);
}
}
else
{
return(BadRequest());
}
}
