PropagateKeyAlgorithmParametersFromChain()

unsafe byte[] Internal.Cryptography.Pal.CertificatePal.PropagateKeyAlgorithmParametersFromChain ( )

inlineprivate

Definition at line 283 of file CertificatePal.cs.

    {
        SafeX509ChainHandle ppChainContext = null;
        try
        {
            int pcbData = 0;
            if (!global::Interop.crypt32.CertGetCertificateContextProperty(_certContext, CertContextPropId.CERT_PUBKEY_ALG_PARA_PROP_ID, null, ref pcbData))
            {
                CERT_CHAIN_PARA pChainPara = default(CERT_CHAIN_PARA);
                pChainPara.cbSize = sizeof(CERT_CHAIN_PARA);
                if (!global::Interop.crypt32.CertGetCertificateChain((IntPtr)0, _certContext, null, SafePointerHandle<SafeCertStoreHandle>.InvalidHandle, ref pChainPara, CertChainFlags.None, IntPtr.Zero, out ppChainContext))
                {
                    throw Marshal.GetHRForLastWin32Error().ToCryptographicException();
                }
                if (!global::Interop.crypt32.CertGetCertificateContextProperty(_certContext, CertContextPropId.CERT_PUBKEY_ALG_PARA_PROP_ID, null, ref pcbData))
                {
                    throw Marshal.GetHRForLastWin32Error().ToCryptographicException();
                }
            }
            byte[] array = new byte[pcbData];
            if (!global::Interop.crypt32.CertGetCertificateContextProperty(_certContext, CertContextPropId.CERT_PUBKEY_ALG_PARA_PROP_ID, array, ref pcbData))
            {
                throw Marshal.GetHRForLastWin32Error().ToCryptographicException();
            }
            return array;
        }
        finally
        {
            ppChainContext?.Dispose();
        }
    }

References Internal.Cryptography.Pal.CertificatePal._certContext, System.array, System.Runtime.InteropServices.Marshal.GetHRForLastWin32Error(), and System.IntPtr.Zero.