/// <summary>
/// Setup the UIPolicy key properties specified in the key creation parameters
/// </summary>
private static void InitializeKeyUiPolicyProperties(SafeNCryptKeyHandle keyHandle, CngUIPolicy uiPolicy)
{
unsafe
{
fixed(char *pinnedCreationTitle = uiPolicy.CreationTitle,
pinnedFriendlyName = uiPolicy.FriendlyName,
pinnedDescription = uiPolicy.Description)
{
NCRYPT_UI_POLICY ncryptUiPolicy = new NCRYPT_UI_POLICY()
{
dwVersion = 1,
dwFlags = uiPolicy.ProtectionLevel,
pszCreationTitle = new IntPtr(pinnedCreationTitle),
pszFriendlyName = new IntPtr(pinnedFriendlyName),
pszDescription = new IntPtr(pinnedDescription),
};
ErrorCode errorCode = Interop.NCrypt.NCryptSetProperty(keyHandle, KeyPropertyName.UIPolicy, &ncryptUiPolicy, sizeof(NCRYPT_UI_POLICY), CngPropertyOptions.Persist);
if (errorCode != ErrorCode.ERROR_SUCCESS)
{
throw errorCode.ToCryptographicException();
}
}
string useContext = uiPolicy.UseContext;
if (useContext != null)
{
int useContextByteLength = checked ((useContext.Length + 1) * sizeof(char));
fixed(char *pinnedUseContext = useContext)
{
ErrorCode errorCode = Interop.NCrypt.NCryptSetProperty(keyHandle, KeyPropertyName.UseContext, pinnedUseContext, useContextByteLength, CngPropertyOptions.Persist);
if (errorCode != ErrorCode.ERROR_SUCCESS)
{
throw errorCode.ToCryptographicException();
}
}
}
}
}
/// <summary>
/// Setup the UIPolicy key properties specified in the key creation parameters
/// </summary>
private static void InitializeKeyUiPolicyProperties(SafeNCryptKeyHandle keyHandle, CngUIPolicy uiPolicy)
{
unsafe
{
fixed (char* pinnedCreationTitle = uiPolicy.CreationTitle,
pinnedFriendlyName = uiPolicy.FriendlyName,
pinnedDescription = uiPolicy.Description)
{
NCRYPT_UI_POLICY ncryptUiPolicy = new NCRYPT_UI_POLICY()
{
dwVersion = 1,
dwFlags = uiPolicy.ProtectionLevel,
pszCreationTitle = new IntPtr(pinnedCreationTitle),
pszFriendlyName = new IntPtr(pinnedFriendlyName),
pszDescription = new IntPtr(pinnedDescription),
};
ErrorCode errorCode = Interop.NCrypt.NCryptSetProperty(keyHandle, KeyPropertyName.UIPolicy, &ncryptUiPolicy, sizeof(NCRYPT_UI_POLICY), CngPropertyOptions.Persist);
if (errorCode != ErrorCode.ERROR_SUCCESS)
throw errorCode.ToCryptographicException();
}
string useContext = uiPolicy.UseContext;
if (useContext != null)
{
int useContextByteLength = checked((useContext.Length + 1) * sizeof(char));
fixed (char* pinnedUseContext = useContext)
{
ErrorCode errorCode = Interop.NCrypt.NCryptSetProperty(keyHandle, KeyPropertyName.UseContext, pinnedUseContext, useContextByteLength, CngPropertyOptions.Persist);
if (errorCode != ErrorCode.ERROR_SUCCESS)
throw errorCode.ToCryptographicException();
}
}
}
}
