saxat från psx-scene.com:

Normally, there is nothing to report on the PSP scene for a while, even tho it still a wonderful handheld version of the Playstation and still has some amazing games on it.

But who would have thought that by Geohot releasing the 'root key' for the PS3, he would in fact be causing the latest PSP models to be fully opened to firmware changes and enabling 'homebrew' on it.




It seems Sony loves to have all it's eggs in one basket, even a farmer knows better then that, and it was not long before developers found the PSP keys hidden away inside the PS3 console:


Mathieulh Has Found The PSP Master Keys In PS3!


Quote:
Wow, this just get better not only a major event to the PS3 scene but also now PSP scene! In EFnet IRC #ps3dev chat room, Mathieulh has revealed an info that could break the heart of all the Sony PSP department staff members.


Code:
< @Mathieulh> got the kirk engine keys
< @Mathieulh> thx sony xD
< +rck`d> psp crypto
< @Mathieulh> well it’s in ps3 but it’s psp keys
< @Mathieulh> I can encrypt/sign any psp apps now
< @Mathieulh> lol
< @Mathieulh> yah
< @Mathieulh> has drm keyz too
< @dwrfcrank> Davee: Hey I told you it’s a isolated SPU module >:O
< @Mathieulh> so you can make your own psn store clone
< @Mathieulh> on pspI can encrypt/sign anything on psp now.

The key important part of the PSP, the so called "Kirk Keys", which is basically the small hardware crypto engine that is responsible for almost all aspects of the PSP’s security, including decryption of eboots & prx’s, savefile and adhoc encryption, and idstorage verification.

News Source: @Mathieulh (via) Twitter
News Source: Mathieulh Has Found The PSP Master Keys In PS3!

It was not long afterwards before the scene quickly improved the existing PSP tools and released versions for the latest PSP firmwares like v6.31 and v6.35 enabling 'homebrew' and even ISO loaders on most PSP models!