In my earlier post i had said that geohotz was only able to get through one of the many layers of ps3’s security but in his latest blog post,he has claimed that the console has been hacked 100% and home brews can be run on the ps3. this maybe a good sign but still we don't have a working proof to substantiate his claims, but rest assured that day is nearing much faster than i thought .so now xbox360 is comprised and the ps3 is almost compromised and homebrews for the platform isn't that far away but will this change the perspective of the publishers that PC=Piracy remains to be seen.
from his blog
On the Isolated SPUs
Today I verified my theories about running the isolated SPUs as crypto engines. I believe that defeats the last technical argument against the PS3 being hacked.
In OtherOS, all 7 SPUs are idle. You can command an SPU(which I'll leave as an exercise to the reader) to load metldr, from that load the loader of your choice, and from that decrypt what you choose, everything from pkgs to selfs. Including those from future versions.
The PPU is higher on the control chain then the SPUs. Even if checks were to be added to, for example, verify the hypervisor before decrypting the kernel, with clever memory mappings you can hide your modified hypervisor.
Ah, but you still didn't get the Cell root key. And I/we never will. But it doesn't matter. For example, we don't have either the iPhone or PSP "root key". But I don't think anyone doubts the hackedness of those systems.
I wonder if any systems out there are actually secure?
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