如何以编程方式检查某个证书是否从CA CRL列表中被吊销?c#验证CRL列表中的证书
我这样做:
X509Chain ch = new X509Chain();
ch.ChainPolicy.RevocationMode = X509RevocationMode.Online;
ch.ChainPolicy.RevocationFlag = X509RevocationFlag.EntireChain;
ch.ChainPolicy.UrlRetrievalTimeout = new TimeSpan(1000);
ch.ChainPolicy.VerificationFlags = X509VerificationFlags.NoFlag;
ch.ChainPolicy.VerificationTime = DateTime.Now;
ch.Build(certificate);
foreach (X509ChainStatus s in ch.ChainStatus)
{
string str = s.Status.ToString();
Console.WriteLine("str: " + str);
}
X509Store store = new X509Store(StoreName.Disallowed, StoreLocation.LocalMachine);
store.Open(OpenFlags.ReadWrite);
bool isRevoked = store.Certificates.Contains(certificate);
store.Close();
return !isRevoked && certificate.Verify();
我也得到 “STR:RevokedStatusUnknown”。只有在我撤销证书后等待很长时间 - >状态将作为撤销返回,尽管我在撤销证书后立即发布CRL。为什么它不能立即访问CRL?