NS CFA

This pages describes the content of the CFA(titleID 0004001B00010702) RomFS used by NS.

key.bin

Unknown, originally the filesize for this was 12-bytes, with the 6.0.0-11 title-version this is now 48-bytes. This is used when launching applications.

value.bin

Unknown, originally the filesize for this was 8-bytes, with the 6.0.0-11 title-version this is now 32-bytes. This is used when launching applications.

ctr_backup_black_list

This file added with 6.0.0-11 contains the uniqueID blacklist for SD Savedata Backups.

Offset	Size	Description
0x0	0x4	Total entries, this is value 93 for the 6.0.0-11 title-version.
0x4	0xC	All-zero
0x10	Totalentries*4	Entries, each entry is a word in the following format: 0x100000 | title_UniqueID

qtm_black_list

This file was added with title version v4096, for 9.0.0-20/8.1.0-0_New3DS. Going by the filename, this is probably used for disabling QTM(New3DS head-tracking) for certain titles. This is used when launching applications, on New3DS.