private async Task AssertFileEncryption(int fileLength, bool async)
{
byte[] iv = CryptoRandom.NextBytesStatic(16);
byte[] key = CryptoRandom.NextBytesStatic(32);
string plainTextFile = WriteToTempFile(fileLength);
string encryptedFile = Path.GetRandomFileName();
string decryptedFile = Path.GetRandomFileName();
if (async)
{
await AesFileEncrytion.EncryptAsync(plainTextFile, encryptedFile, key, iv, true);
await AesFileEncrytion.DecryptAsync(encryptedFile, decryptedFile, key, iv, true);
}
else
{
AesFileEncrytion.Encrypt(plainTextFile, encryptedFile, key, iv, true);
AesFileEncrytion.Decrypt(encryptedFile, decryptedFile, key, iv, true);
}
try
{
AssertFileContent(plainTextFile, decryptedFile);
}
finally
{
File.Delete(plainTextFile);
File.Delete(encryptedFile);
File.Delete(decryptedFile);
}
}
//[Fact]
//public async Task GigabyteEncryptedFileWithPasswordCanBeDecrypted()
//{
// string file = $"D:\\testtime - {Guid.NewGuid()}.txt";
// File.Create(file);
// Stopwatch sw = new Stopwatch();
// sw.Start();
// await AssertFileEncryptionWithPassword(370 * 1024 * 1024, true);
// sw.Stop();
// File.AppendAllText(file, $"elapsed {sw.Elapsed.TotalMinutes}:{sw.Elapsed.Seconds}");
// sw.Restart();
// await AssertFileEncryptionWithPassword(370 * 1024 * 1024, false);
// Console.WriteLine($"not async gigabyte write {sw.Elapsed}");
// sw.Stop();
//}
private async Task AssertFileEncryptionWithPassword(int fileLength, bool async)
{
string pass = PasswordGenerator.GenerateStatic();
string plainTextFile = WriteToTempFile(fileLength);
string encryptedFile = Path.GetRandomFileName();
string decryptedFile = Path.GetRandomFileName();
if (async)
{
await AesFileEncrytion.EncryptWithPasswordAsync(plainTextFile, encryptedFile, pass, true);
await AesFileEncrytion.DecryptWithPasswordAsync(encryptedFile, decryptedFile, pass, true);
}
else
{
AesFileEncrytion.EncryptWithPassword(plainTextFile, encryptedFile, pass, true);
AesFileEncrytion.DecryptWithPassword(encryptedFile, decryptedFile, pass, true);
}
try
{
AssertFileContent(plainTextFile, decryptedFile);
}
finally
{
File.Delete(plainTextFile);
File.Delete(encryptedFile);
File.Delete(decryptedFile);
}
}