GRID Autosport Xbox 360 NeFS File Encryption

[umustbeloggedintododat]

Trying to open the NeFS files of GRID Autosport Xbox 360 DLC results in an error, could it be possible new encryption?
I also tried the QuickBMS NeFS extractor, just says no files extracted.
Console log:
[19:47:53 INF] ---------------------------- [19:47:53 INF] Saving settings... [19:47:53 INF] Settings saved. [19:48:11 INF] ---------------------------- [19:48:11 INF] Saving settings... [19:48:11 INF] Settings saved. [19:48:11 INF] ---------------------------- [19:48:11 INF] Opening archive: D:\Grid.Autosport.DLC.RF.X360-ZTM\434D0851\00000002\Road & Track Car Pack\cam_high.nefs [19:48:11 INF] Header magic number mismatch, assuming header is encrypted. [19:48:11 ERR] Failed to open archive D:\Grid.Autosport.DLC.RF.X360-ZTM\434D0851\00000002\Road & Track Car Pack\cam_high.nefs. Could not find any recognizable digits.
Sample file (Rename to NeFS because github): cam_high.txt