public static extern SECURITY_STATUS NCryptGetProperty(
SafeHandle hObject,
string pszProperty,
[MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 4)] byte[] pbOutput,
int cbOutput,
out int pcbResult,
NCryptGetPropertyFlags dwFlags);
/// <summary>
/// Retrieves the value of a named property for a key storage object.
/// </summary>
/// <typeparam name="T">The type of struct to return the property value as.</typeparam>
/// <param name="hObject">
/// The handle of the object to get the property for. This can be a provider handle (<see cref="SafeProviderHandle"/>) or a key handle (<see cref="SafeKeyHandle"/>).
/// </param>
/// <param name="propertyName">
/// A pointer to a null-terminated Unicode string that contains the name of the property to retrieve. This can be one of the predefined <see cref="KeyStoragePropertyIdentifiers"/> or a custom property identifier.
/// </param>
/// <param name="flags">Flags that modify function behavior.</param>
/// <returns>The property value.</returns>
public static T NCryptGetProperty <T>(SafeHandle hObject, string propertyName, NCryptGetPropertyFlags flags = NCryptGetPropertyFlags.None)
where T : struct
{
byte[] value = NCryptGetProperty(hObject, propertyName, flags);
unsafe
{
fixed(byte *pValue = value)
{
#if NETSTANDARD2_0_ORLATER || NETFX_CORE
return(Marshal.PtrToStructure <T>(new IntPtr(pValue)));
#else
return((T)Marshal.PtrToStructure(new IntPtr(pValue), typeof(T)));
#endif
}
}
}
/// <summary>
/// Retrieves the value of a named property for a key storage object.
/// </summary>
/// <param name="hObject">
/// The handle of the object to get the property for. This can be a provider handle (<see cref="SafeProviderHandle"/>) or a key handle (<see cref="SafeKeyHandle"/>).
/// </param>
/// <param name="propertyName">
/// A pointer to a null-terminated Unicode string that contains the name of the property to retrieve. This can be one of the predefined <see cref="KeyStoragePropertyIdentifiers"/> or a custom property identifier.
/// </param>
/// <param name="flags">Flags that modify function behavior.</param>
/// <returns>The property value.</returns>
public static byte[] NCryptGetProperty(SafeHandle hObject, string propertyName, NCryptGetPropertyFlags flags = NCryptGetPropertyFlags.None)
{
int requiredSize;
NCryptGetProperty(hObject, propertyName, null, 0, out requiredSize, flags).ThrowOnError();
byte[] result = new byte[requiredSize];
NCryptGetProperty(hObject, propertyName, result, result.Length, out requiredSize, flags).ThrowOnError();
return(result);
}
public static extern SECURITY_STATUS NCryptGetProperty(
SafeHandle hObject,
string pszProperty,
[MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 4)] byte[] pbOutput,
int cbOutput,
out int pcbResult,
NCryptGetPropertyFlags dwFlags);
/// <summary>
/// Retrieves the value of a named property for a key storage object.
/// </summary>
/// <typeparam name="T">The type of struct to return the property value as.</typeparam>
/// <param name="hObject">
/// The handle of the object to get the property for. This can be a provider handle (<see cref="SafeProviderHandle"/>) or a key handle (<see cref="SafeKeyHandle"/>).
/// </param>
/// <param name="propertyName">
/// A pointer to a null-terminated Unicode string that contains the name of the property to retrieve. This can be one of the predefined <see cref="KeyStoragePropertyIdentifiers"/> or a custom property identifier.
/// </param>
/// <param name="flags">Flags that modify function behavior.</param>
/// <returns>The property value.</returns>
public static T NCryptGetProperty <T>(SafeHandle hObject, string propertyName, NCryptGetPropertyFlags flags = NCryptGetPropertyFlags.None)
where T : struct
{
byte[] value = NCryptGetProperty(hObject, propertyName, flags);
unsafe
{
fixed(byte *pValue = value)
{
return((T)Marshal.PtrToStructure(new IntPtr(pValue), typeof(T)));
}
}
}
