public static extern NTStatus BCryptGetProperty(
SafeHandle hObject,
string property,
[Out, MarshalAs(UnmanagedType.LPArray)] byte[] output,
int outputSize,
out int resultSize,
BCryptGetPropertyFlags flags = BCryptGetPropertyFlags.None);
/// <summary>
/// Retrieves the value of a named property for a CNG object.
/// </summary>
/// <typeparam name="T">The type of struct to return the property value as.</typeparam>
/// <param name="hObject">A handle that represents the CNG object to obtain the property value for.</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="PropertyNames"/> or a custom property identifier.</param>
/// <param name="flags">A set of flags that modify the behavior of this function. No flags are defined for this function.</param>
/// <returns>The property value.</returns>
public static T BCryptGetProperty <T>(SafeHandle hObject, string propertyName, BCryptGetPropertyFlags flags = BCryptGetPropertyFlags.None)
where T : struct
{
ArraySegment <byte> value = BCryptGetProperty(hObject, propertyName, flags);
unsafe
{
fixed(byte *pValue = value.Array)
{
IntPtr pValuePtr = new IntPtr(pValue + value.Offset);
#if NETSTANDARD2_0_ORLATER || NETFX_CORE
return(Marshal.PtrToStructure <T>(pValuePtr));
#else
return((T)Marshal.PtrToStructure(pValuePtr, typeof(T)));
#endif
}
}
}
/// <summary>
/// Retrieves the value of a named property for a CNG object.
/// </summary>
/// <param name="hObject">A handle that represents the CNG object to obtain the property value for.</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="PropertyNames"/> or a custom property identifier.</param>
/// <param name="flags">A set of flags that modify the behavior of this function. No flags are defined for this function.</param>
/// <returns>The property value.</returns>
public static ArraySegment <byte> BCryptGetProperty(SafeHandle hObject, string propertyName, BCryptGetPropertyFlags flags = BCryptGetPropertyFlags.None)
{
int length;
BCryptGetProperty(hObject, propertyName, IntPtr.Zero, 0, out length, flags).ThrowOnError();
byte[] result = new byte[length];
BCryptGetProperty(hObject, propertyName, result, result.Length, out length, flags).ThrowOnError();
return(new ArraySegment <byte>(result, 0, length));
}
/// <summary>
/// Retrieves the value of a named property for a CNG object.
/// </summary>
/// <typeparam name="T">The type of struct to return the property value as.</typeparam>
/// <param name="hObject">A handle that represents the CNG object to obtain the property value for.</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="PropertyNames"/> or a custom property identifier.</param>
/// <param name="flags">A set of flags that modify the behavior of this function. No flags are defined for this function.</param>
/// <returns>The property value.</returns>
public static T BCryptGetProperty <T>(SafeHandle hObject, string propertyName, BCryptGetPropertyFlags flags = BCryptGetPropertyFlags.None)
where T : struct
{
ArraySegment <byte> value = BCryptGetProperty(hObject, propertyName, flags);
unsafe
{
fixed(byte *pValue = value.Array)
{
IntPtr pValuePtr = new IntPtr(pValue + value.Offset);
return((T)Marshal.PtrToStructure(pValuePtr, typeof(T)));
}
}
}
public static extern NTSTATUS BCryptGetProperty(
SafeHandle hObject,
string property,
[Out, MarshalAs(UnmanagedType.LPArray)] byte[] output,
int outputSize,
out int resultSize,
BCryptGetPropertyFlags flags = BCryptGetPropertyFlags.None);
