WiiU Digital (CDN) Issue with cetk file

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Korschan
Posts: 1
Joined: 05 Oct 2020 19:09

WiiU Digital (CDN) Issue with cetk file

Post by Korschan »

Hello everybody,

I think there is an issue with the WiiU Digital (CDN) (EUR) dat set.

Tried to verify my collection and I have some bad cetk files - even when I redownload them directly from Nintendo.
The "bad" cetk files issues to the following games:

Freedom Planet (Europe) (v16) (Update) - 0005000e101cc900

Minecraft - Wii U Edition (Europe) (En,Fr,De,Es,It,Nl,Pt,Ru) (*) (Update) - 0005000e101d7500
*112, 128, 144, 16, 161, 176, 192, 208, 224, 240, 256, 272, 288, 304, 32, 48, 576, 608, 624, 64, 80, 96

Super Mario Maker (Europe) (v224) (Update) - 0005000e1018dd00

Super Smash Bros. for Wii U (Europe) (En,Fr,De,Es,It,Nl,Pt,Ru) (v288) (Update) - 0005000e10145000

As far as I know all gameupdates use the same cetk file for each game. So I wonder why (for example) the update of Super Smash Bros. v288 uses diffrent cetk file like the other updates.

Thanks,
Korschan
Hiccup
Datter
Posts: 1051
Joined: 09 Oct 2015 11:29

Re: WiiU Digital (CDN) Issue with cetk file

Post by Hiccup »

cetk files can change on the server. i'm not sure exactly what causes it. may be something todo with the latest title version, or certificate expiration. no idea. so to get a match you'd need to get the exact file that was available at the time the download was made. or maybe the "variable" data in the cetk is only a few bytes (ignoring hashes/signing), so maybe it could be bruteforced - but that's just speculation.
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