Changes

[[Category:File formats]]

[[Category:File formats]]

'''CommonETicket''' (for short, '''cetk''') is a format used to store an encrypted titlekey (using 128-Bit AES-CBC).

'''CommonETicket''' (for short, '''cetk''') is a format as a ticket used to store an encrypted titlekey (using 128-Bit AES-CBC).

== Notice ==

== Notice ==

| 0xA1C||52||Padding

| 0xA1C||52||Padding

|}

|}

The Signature Type is the same const as that in TMD.

The Signature Type is the same const as that in [[TMD]].

== Some facts==

== Some facts==

* '''CETK''' can be fetched through HTTP using the link to default update server, with only one word different from those of [[TMD]]s, while the 3ds use  ''GetCommonETicket'' function (with SOAP).

* '''CETK''' can be fetched through HTTP using the link to default update server, with only one word different from those of [[TMD]]s, while the 3ds use  ''GetCommonETicket'' function (with SOAP).

* However only 3 cetk files has been discovered (those of Firmware Titles). Diff those files you will see there is only a few differences. The files seem to be '''just the same''' except those segments : 0x04-0x104,0x1BF-0x1CF,0x1D2-0x1D8,0x1DC-0x1E4,0x1E4-0x1E8.

* However only 3 cetk files has been discovered (those of Firmware Titles). Diff those files you will see there is only a few differences. The files seem to be '''just the same''' except those segments : 0x04-0x104,0x1BF-0x1CF,0x1D2-0x1D8,0x1DC-0x1E4,0x1E4-0x1E8.