public async Task WriteReadData()
{
const string fileName = "hello.txt";
Random rand = new Random(156);
byte[] data = new byte[1024 * 156];
rand.NextBytes(data);
IRsaCryptoAccessor p12CryptoAccessor = this.CreateAccesor();
using MemoryStream writeMs = new MemoryStream();
using (ContainerWriter writer = new ContainerWriter(writeMs, fileName, await p12CryptoAccessor.ExtractPublicCertificate()))
{
await writer.Write(data, 0, data.Length);
}
using MemoryStream readMs = new MemoryStream(writeMs.ToArray());
using (ContainerReader reader = new ContainerReader(readMs, p12CryptoAccessor))
{
string decodedFileName = await reader.ReadFileName();
Assert.AreEqual(fileName, decodedFileName, "Decoded file name");
using Stream contentStream = await reader.GetContentStream();
using MemoryStream buffer = new MemoryStream(data.Length + 10);
await contentStream.CopyToAsync(buffer);
byte[] decryptedData = buffer.ToArray();
Assert.AreEqual(data.Length, decryptedData.Length);
CollectionAssert.AreEquivalent(data, decryptedData);
}
}
private static int EncryptFile(EncryptFileOptions opts)
{
string fileName = Path.GetFileName(opts.FileToEncrypt);
X509Certificate2 certificate = new X509Certificate2(opts.CertificatePath);
using FileStream outputFiletream = new FileStream(opts.EncryptedFile, FileMode.Create, FileAccess.ReadWrite);
using FileStream inputFiletream = new FileStream(opts.FileToEncrypt, FileMode.Open, FileAccess.Read);
using ContainerWriter writer = new ContainerWriter(outputFiletream, fileName, certificate);
writer.AdditionalPadingSize = opts.ParseAdditionalPadingSize();
writer.Write(inputFiletream).GetAwaiter().GetResult();
return(0);
}