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by Mathieulh
Tue Feb 07, 2017 9:34 am
Forum: Programming and Security
Topic: Renaming/removing "system_update_plugin.rco" - Impacts?
Replies: 3
Views: 2076

Re: Renaming/removing "system_update_plugin.rco" - Impacts?

Hello everybody, I try to have a system which cannot be updated through LiveArea and any application (but which can still be updated through SafeMode in case I mess up with "vs0:"). I noticed that if I rename "vs0:app/NPXS10015/system_update_plugin.rco" to "vs0:app/NPXS10015/system_update_plugin.rc...
by Mathieulh
Wed Aug 31, 2016 11:41 pm
Forum: HENkaku
Topic: After Updating game wont load!
Replies: 2
Views: 5161

Re: After Updating game wont load!

The "workaround" is to not install the update or to use the original card/psn game. The point is, you update's binaries are encrypted but you do not have a valid rif license file installed to decrypt those. The solution would be to stay offline or install a decrypted update for your game. (Or not to...
by Mathieulh
Wed Aug 31, 2016 9:48 am
Forum: Programming and Security
Topic: Simple IPL Sample link
Replies: 8
Views: 4295

Re: Simple IPL Sample link

Sadly it's been heavily modified, it's not the same code at all :/
by Mathieulh
Tue Aug 30, 2016 1:49 pm
Forum: Programming and Security
Topic: Simple IPL Sample link
Replies: 8
Views: 4295

Re: Simple IPL Sample link

It looks like it, although it was originally supplied with the source, do you happen to have it? there is only the installer in your archive.
by Mathieulh
Tue Nov 25, 2014 8:34 pm
Forum: Programming and Security
Topic: Why can the PS Vita emulate PSP games as well as it does?
Replies: 19
Views: 3351

Re: Why can the PS Vita emulate PSP games as well as it does

Some of the kirk seeds are different as far as I know of (as in, some kernel modules will not decrypt on psp if I recall properly) hmm, so far I've been able to decrypt every flash module with the PSP from the ePSP, just need to update the keys when they update the module tag, I could be mistaking ...
by Mathieulh
Tue Nov 25, 2014 8:12 pm
Forum: Programming and Security
Topic: Why can the PS Vita emulate PSP games as well as it does?
Replies: 19
Views: 3351

Re: Why can the PS Vita emulate PSP games as well as it does

Proxima wrote:Pretty much unless it goes through a Kermit interface, its hardware. When you say "different keys" what are you talking about?

Thanks!
Some of the kirk seeds are different as far as I know of (as in, some kernel modules will not decrypt on psp if I recall properly)
by Mathieulh
Tue Nov 25, 2014 2:17 pm
Forum: Programming and Security
Topic: Why can the PS Vita emulate PSP games as well as it does?
Replies: 19
Views: 3351

Re: Why can the PS Vita emulate PSP games as well as it does

Vita doesn't emulate PSP. There's a PSP CPU inside the Vita. They can do it because it's cheap and small. Isn't technology amazing? I have always suspected so myself, It's just rather impossible to confirm short of decapsulating the Vita CPU or reverse engineering the pspemu binaries. The pspemu "c...
by Mathieulh
Wed Feb 12, 2014 1:25 pm
Forum: Announcements
Topic: Say Hi in this thread to win a 'lifetime' PS Plus account
Replies: 991
Views: 119280

Re: Say Hi in this thread to win a 'lifetime' PS Plus accoun

Hi folks, I already own 2 ps plus accounts, but I thought why not a third one, just for the heck of it :P
by Mathieulh
Tue Nov 26, 2013 1:57 pm
Forum: Programming and Security
Topic: Gateway 3DS Installer Analysis
Replies: 10
Views: 16559

Re: Gateway 3DS Installer Analysis

It's an overflow used to store a ROP chain payload into the 3DS stack, that eventually decrypts the launcher.dat using bytes from the system menu as the key, then you have another larger ROP chain in the launcher.dat used mostly for obfuscation purposes, which in the end uses the ASIC to decrypt the...
by Mathieulh
Mon Nov 25, 2013 5:29 pm
Forum: Programming and Security
Topic: An idea that just came to my mind
Replies: 26
Views: 3158

Re: An idea that just came to my mind

Hum... You could probably run 5.70 but it'd fail as soon as you try to use specific psp go features. In fact I think 1.00 is probably harder to run due to hardware differences (between a true psp-1000 and the one being emulated on the vita), but I may be wrong. It'd be fun to run 1.0.2 :P (yeah I h...

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