FindByKeyUsage()

unsafe void Internal.Cryptography.Pal.FindPal.FindByKeyUsage ( X509KeyUsageFlags keyUsage )

inline

Implements Internal.Cryptography.Pal.IFindPal.

Definition at line 493 of file FindPal.cs.

    {
        FindCore(keyUsage, delegate(X509KeyUsageFlags keyUsage, SafeCertContextHandle pCertContext)
        {
            CERT_INFO* pCertInfo = pCertContext.CertContext->pCertInfo;
            if (!global::Interop.crypt32.CertGetIntendedKeyUsage(CertEncodingType.All, pCertInfo, out var pbKeyUsage, 4))
            {
                return true;
            }
            GC.KeepAlive(pCertContext);
            return (pbKeyUsage & keyUsage) == keyUsage;
        });
    }

References Internal.Cryptography.Pal.Native.SafeCertContextHandle.CertContext, System.GC.KeepAlive(), and Internal.Cryptography.Pal.Native.CERT_CONTEXT.pCertInfo.