private static async Task PiecewiseDecryptionAsync(string inFile, string outFile, IUbiqCredentials ubiqCredentials)
{
using (var cipherStream = new FileStream(inFile, FileMode.Open))
{
using (var plainStream = new FileStream(outFile, FileMode.Create))
{
using (var ubiqDecrypt = new UbiqDecrypt(ubiqCredentials))
{
var plainBytes = ubiqDecrypt.Begin();
plainStream.Write(plainBytes, 0, plainBytes.Length);
var cipherBytes = new byte[0x20000];
int bytesRead = 0;
while ((bytesRead = cipherStream.Read(cipherBytes, 0, cipherBytes.Length)) > 0)
{
plainBytes = await ubiqDecrypt.UpdateAsync(cipherBytes, 0, bytesRead);
plainStream.Write(plainBytes, 0, plainBytes.Length);
}
plainBytes = ubiqDecrypt.End();
plainStream.Write(plainBytes, 0, plainBytes.Length);
}
}
}
}
private static async Task SimpleDecryptionAsync(string inFile, string outFile, IUbiqCredentials ubiqCredentials)
{
var cipherBytes = File.ReadAllBytes(inFile);
var plainBytes = await UbiqDecrypt.DecryptAsync(ubiqCredentials, cipherBytes);
File.WriteAllBytes(outFile, plainBytes);
}
