public void KeyEncryptionTest()
{
var randomIrdKey = new byte[16];
var decryptedKey = Decrypter.DecryptDiscKey(randomIrdKey);
Assert.That(randomIrdKey.ToHexString(), Is.Not.EqualTo(decryptedKey.ToHexString()));
var encryptedKey = Decrypter.EncryptDiscKey(decryptedKey);
Assert.That(encryptedKey.ToHexString(), Is.EqualTo(randomIrdKey.ToHexString()));
}
public async Task DiscDecryptionKeyTest(string productCode, string expectedKey)
{
var searchResults = await Client.SearchAsync(productCode, CancellationToken.None).ConfigureAwait(false);
Assert.That(searchResults?.Data?.Count, Is.EqualTo(1));
var ird = await Client.DownloadAsync(searchResults.Data[0], "ird", CancellationToken.None).ConfigureAwait(false);
Assert.That(ird, Is.Not.Null);
var decryptionKey = Decrypter.DecryptDiscKey(ird.Data1).ToHexString();
Assert.That(decryptionKey, Does.StartWith(expectedKey.ToLowerInvariant()));
}
public static DiscInfo ToDiscInfo(this Ird ird)
{
List <FileRecord> fsInfo;
var sectorSize = 2048L;
using (var stream = new MemoryStream())
{
using (var headerStream = new MemoryStream(ird.Header))
using (var gzipStream = new GZipStream(headerStream, CompressionMode.Decompress))
{
gzipStream.CopyTo(stream);
}
stream.Seek(0, SeekOrigin.Begin);
var reader = new CDReader(stream, true, true);
fsInfo = reader.GetFilesystemStructure();
sectorSize = reader.ClusterSize;
}
var checksums = ird.Files.ToDictionary(f => f.Offset, f => f.Md5Checksum.ToHexString());
return(new DiscInfo
{
ProductCode = ird.ProductCode,
DiscVersion = ird.GameVersion,
DiscKeyRawData = ird.Data1.ToHexString(),
DiscKey = Decrypter.DecryptDiscKey(ird.Data1).ToHexString(),
Files = fsInfo.ToDictionary(
f => f.Filename,
f => new FileInfo
{
Offset = f.StartSector * sectorSize,
Size = f.Length,
Hashes = new Dictionary <string, string>
{
["MD5"] = checksums[f.StartSector],
}
})
});
}