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[英]How to deploy third party nuget packages (dependencies) globally to the server in .NET Core?
[英]How to verify GKLocalPlayer on third party server .net core
我有以下代碼用於驗證GKLocalPlayer:
var cert = await GetCertificate(gameCenter.PublicKeyURL);
if (cert.Verify())
{
var rsa = cert.GetRSAPublicKey();
if (rsa != null)
{
var sha256 = new SHA256Managed();
var sig = ConcatSignature(gameCenter.PlayerID, gameCenter.BundleID, gameCenter.TimeStamp, gameCenter.Salt);
var hash = sha256.ComputeHash(sig);
if (rsa.VerifyHash(hash, Convert.FromBase64String(gameCenter.Signature), HashAlgorithmName.SHA256, RSASignaturePadding.Pkcs1))
{
return true;
}
return false;
}
}
private async Task<X509Certificate2> GetCertificate(string url)
{
var client = new HttpClient();
var response = await client.GetAsync(url);
var rawData = await response.Content.ReadAsByteArrayAsync();
return new X509Certificate2(rawData);
}
private byte[] ConcatSignature(string playerId, string bundleId, string timestamp, string salt)
{
var b = Convert.FromBase64String(salt);
var data = new List<byte>();
data.AddRange(Encoding.UTF8.GetBytes(playerId));
data.AddRange(Encoding.UTF8.GetBytes(bundleId));
data.AddRange(ToBigEndian(Convert.ToUInt64(timestamp)));
data.AddRange(Convert.FromBase64String(salt));
return data.ToArray();
}
private static byte[] ToBigEndian(ulong value)
{
var buffer = new byte[8];
for (int i = 0; i < 8; i++)
{
buffer[7 - i] = unchecked((byte)(value & 0xff));
value = value >> 8;
}
return buffer;
}
但是當我試圖驗證准確的GameCenter時,這總是返回false。 我瀏覽了所有評論,但我找不到專門針對.net Core和GKLocalPlayer驗證發布的內容。
你的代碼對我有用。 請注意,如果您未在設備上測試它將會失敗(因為數據是時間敏感的)
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