.net – MVC中的客户端证书颁发者(指纹)

// get the X509 from HTTP client certificate
var x509 = new X509Certificate2(this.Request.ClientCertificate.Certificate);

// create the certificate chain by using the machine store
var chain = new X509Chain(true);
chain.ChainPolicy.RevocationMode = X509RevocationMode.Offline;
chain.Build(x509);

// at this point chain.ChainElements[0] will contain the original
// certificate,the higher indexes are the issuers.
// note that if the certificate is self-signed,there will be just one entry.
var issuer = chain.ChainElements[1].Certificate.Thumbprint;