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Channel: Yifan Lu
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You Should Register for PSM

PlayStation Mobile (PSM) for those unaware is Sony’s platform for indie game developers. They have decided to start shutting down the service after May 31, 2015. Before then, I think it would be wise...

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Calling all coders: We need you to help create an open Vita SDK!

One of largest barrier to native PS Vita homebrew is the lack of an open toolchain and SDK. Essentially, we need something like pspsdk for the Vita. The reason why we don’t have it is because there are...

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Secure your eMMC devices!

Most of our embedded devices use eMMC, but security into eMMC (as far as I know) has not been extensively studied or taken account of in threat models. In the small sample of devices I’ve looked at,...

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Rejuvenate: Native homebrew for PSVita

(Sadly, they did not give me a spot at the Sony E3 conference, so I have to make do with this blog post.) I am excited to announce Rejuvenate, a native homebrew platform for PS Vita. The tools that...

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How To Register and Download for PSM (Shutdown Bypass)

Update: It seems that Sony has closed this loophole. However, if you own a PS3, there is another way. Did you miss the call to register for PSM? People found out today that if you did not register for...

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Rejuvenate Public Beta Release

Rejuvenate, announced last week allows users to install unofficial applications and games (homebrew) onto their PS Vita device. Please read that announcement post for more information. Today, the...

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Hacking the PS Vita

The following was taken from a series of unpublished posts I wrote back in September 2012 (almost three years ago). The posts not only detail the exploit I found but also the thought process that led...

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On the future of Rejuvenate

Since, the announcement ten days ago, Rejuvenate received tons of positive reception and thousands of downloads. Progress on both SDK projects is moving at fast speeds. There are already Vita homebrew...

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Rejuvenate for Unity (and VitaTV support)

Thanks to work done almost entirely by Netrix (and also thanks to SMOKE for testing and modifications to the setup script), Rejuvenate is now supported on both PSM Unity and PSM Unity for VitaTV. As...

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CGEN for IDA Pro

It all started when I wanted to analyze some MeP code. Usually, I do all my disassembly in IDA Pro, but this is one of the few processors that isn’t supported by IDA. Luckily, there is objdump for this...

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3DS Code Injection through “Loader”

I’ve seen many CFWs (custom firmware; actually they’re just modified firmwares) for the 3DS but there seems to be a lack of organization and design in most of them. I believe that without a proper...

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Cosmo3DS: The CFW nobody wanted

In the last article, I talked about my plan for creating 3DS mods. Now, I will put that plan to the test with a CFW (modified firmware) that nobody wants except me. The idea for this CFW is that I want...

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The 3DS Cryptosystem

I think one of the biggest challenge for system engineers is designing security. Recently, at the .02c3 conference, plutoo, derrek, and smea presented a series of hacks that completely defeated the...

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HENkaku: Vita homebrew for everyone

Photo credits to DaveeFor the last couple of months, molecule (composed of I along with Davee, Proxima, and xyz) have been working hard to bring you an easy-to-use homebrew solution. The result is...

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HENkaku KOTH Challenge

We released HENkaku a week ago and were blown away by the reception. There has been over 25k unique installs and every day new homebrew are being announced. This is all thanks to those who contributed...

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On the future of Rejuvenate

Since, the announcement ten days ago, Rejuvenate received tons of positive reception and thousands of downloads. Progress on bothSDK projects is moving at fast speeds. There are already Vita homebrew...

View Article

Image may be NSFW.
Clik here to view.

Rejuvenate for Unity (and VitaTV support)

Thanks to work done almost entirely by Netrix (and also thanks to SMOKE for testing and modifications to the setup script), Rejuvenate is now supported on both PSM Unity and PSM Unity for VitaTV.As...

View Article


Image may be NSFW.
Clik here to view.

CGEN for IDA Pro

It all started when I wanted to analyze some MeP code. Usually, I do all my disassembly in IDA Pro, but this is one of the few processors that isn’t supported by IDA. Luckily, there is objdump for this...

View Article

Image may be NSFW.
Clik here to view.

3DS Code Injection through “Loader”

I’ve seen many CFWs (custom firmware; actually they’re just modified firmwares) for the 3DS but there seems to be a lack of organization and design in most of them. I believe that without a proper...

View Article

Image may be NSFW.
Clik here to view.

Cosmo3DS: The CFW nobody wanted

In the last article, I talked about my plan for creating 3DS mods. Now, I will put that plan to the test with a CFW (modified firmware) that nobody wants except me.The idea for this CFW is that I...

View Article
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