private byte[] PropagateKeyAlgorithmParametersFromChain()
{
unsafe
{
SafeX509ChainHandle certChainContext = null;
try
{
int cbData = 0;
if (!Interop.crypt32.CertGetCertificateContextProperty(_certContext, CertContextPropId.CERT_PUBKEY_ALG_PARA_PROP_ID, null, ref cbData))
{
CERT_CHAIN_PARA chainPara = new CERT_CHAIN_PARA();
chainPara.cbSize = sizeof(CERT_CHAIN_PARA);
if (!Interop.crypt32.CertGetCertificateChain(ChainEngine.HCCE_CURRENT_USER, _certContext, (FILETIME *)null, SafeCertStoreHandle.InvalidHandle, ref chainPara, CertChainFlags.None, IntPtr.Zero, out certChainContext))
{
throw Marshal.GetHRForLastWin32Error().ToCryptographicException();
}
;
if (!Interop.crypt32.CertGetCertificateContextProperty(_certContext, CertContextPropId.CERT_PUBKEY_ALG_PARA_PROP_ID, null, ref cbData))
{
throw Marshal.GetHRForLastWin32Error().ToCryptographicException();
}
;
}
byte[] keyAlgorithmParameters = new byte[cbData];
if (!Interop.crypt32.CertGetCertificateContextProperty(_certContext, CertContextPropId.CERT_PUBKEY_ALG_PARA_PROP_ID, keyAlgorithmParameters, ref cbData))
{
throw Marshal.GetHRForLastWin32Error().ToCryptographicException();
}
;
return(keyAlgorithmParameters);
}
finally
{
if (certChainContext != null)
{
certChainContext.Dispose();
}
}
}
}
private ChainPal(SafeX509ChainHandle chain)
{
_chain = chain;
}
public static bool CertVerifyCertificateChainPolicy(ChainPolicy pszPolicyOID, SafeX509ChainHandle pChainContext, ref CERT_CHAIN_POLICY_PARA pPolicyPara, ref CERT_CHAIN_POLICY_STATUS pPolicyStatus)
{
return CertVerifyCertificateChainPolicy((IntPtr)pszPolicyOID, pChainContext, ref pPolicyPara, ref pPolicyStatus);
}
private static extern bool CertVerifyCertificateChainPolicy(IntPtr pszPolicyOID, SafeX509ChainHandle pChainContext, [In] ref CERT_CHAIN_POLICY_PARA pPolicyPara, [In, Out] ref CERT_CHAIN_POLICY_STATUS pPolicyStatus);
public static unsafe bool CertGetCertificateChain(ChainEngine hChainEngine, SafeCertContextHandle pCertContext, FILETIME* pTime, SafeCertStoreHandle hStore, [In] ref CERT_CHAIN_PARA pChainPara, CertChainFlags dwFlags, IntPtr pvReserved, out SafeX509ChainHandle ppChainContext)
{
return CertGetCertificateChain((IntPtr)hChainEngine, pCertContext, pTime, hStore, ref pChainPara, dwFlags, pvReserved, out ppChainContext);
}
private static extern unsafe bool CertGetCertificateChain(IntPtr hChainEngine, SafeCertContextHandle pCertContext, FILETIME* pTime, SafeCertStoreHandle hStore, [In] ref CERT_CHAIN_PARA pChainPara, CertChainFlags dwFlags, IntPtr pvReserved, out SafeX509ChainHandle ppChainContext);
private static extern bool CertVerifyCertificateChainPolicy(IntPtr pszPolicyOID, SafeX509ChainHandle pChainContext, [In] ref CERT_CHAIN_POLICY_PARA pPolicyPara, [In, Out] ref CERT_CHAIN_POLICY_STATUS pPolicyStatus);
public static bool CertVerifyCertificateChainPolicy(ChainPolicy pszPolicyOID, SafeX509ChainHandle pChainContext, ref CERT_CHAIN_POLICY_PARA pPolicyPara, ref CERT_CHAIN_POLICY_STATUS pPolicyStatus)
{
return(CertVerifyCertificateChainPolicy((IntPtr)pszPolicyOID, pChainContext, ref pPolicyPara, ref pPolicyStatus));
}
private static extern unsafe bool CertGetCertificateChain(IntPtr hChainEngine, SafeCertContextHandle pCertContext, FILETIME *pTime, SafeCertStoreHandle hStore, [In] ref CERT_CHAIN_PARA pChainPara, CertChainFlags dwFlags, IntPtr pvReserved, out SafeX509ChainHandle ppChainContext);
public static unsafe bool CertGetCertificateChain(ChainEngine hChainEngine, SafeCertContextHandle pCertContext, FILETIME *pTime, SafeCertStoreHandle hStore, [In] ref CERT_CHAIN_PARA pChainPara, CertChainFlags dwFlags, IntPtr pvReserved, out SafeX509ChainHandle ppChainContext)
{
return(CertGetCertificateChain((IntPtr)hChainEngine, pCertContext, pTime, hStore, ref pChainPara, dwFlags, pvReserved, out ppChainContext));
}
private ChainPal(SafeX509ChainHandle chain)
{
_chain = chain;
}
