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| PlayStation 3 homebrew ： ウィキペディア英語版 |
PlayStation 3 homebrew
Some enthusiasts participate in homebrew for the PlayStation 3 video game console.
==Private key compromised==
At the 2010 Chaos Communication Congress (CCC) in Berlin, a group calling itself ''fail0verflow'' announced it had succeeded in bypassing a number of the PlayStation 3's security measures, allowing unsigned code to run without a dongle. They also announced that it was possible to recover the Elliptic Curve DSA (ECDSA) private key used by Sony to sign software, due to a failure of Sony's ECDSA implementation to generate a different random number for each signature. However, ''fail0verflow'' chose not to publish this key because it was not necessary to run homebrew software on the device. The release of this key would allow anyone to sign their code and therefore be able to run it on any PlayStation 3 console. This would also mean that no countermeasures could be taken by Sony without rendering old software useless, as there would be no distinction between official and homebrew software. On January 3, 2011, geohot published the aforementioned private key, as well as a Hello world program for the PS3.〔(【引用サイトリンク】title=Geohot: Here is your PS3 Root Key! – Now with "HELLO WORLD" proof! ) (original GeoHot posting to psx-scene with key and hello world program)〕 On January 12, 2011, Sony Computer Entertainment America filed lawsuits against both ''fail0verflow'' and ''geohot'' for violations of the DMCA and CFAA. The suit against ''geohot'' was settled at the end of March, 2011, with ''geohot'' agreeing to a permanent injunction.〔(Sony and George Hotz Settle PS3 Hacking Lawsuit )〕〔(Settlement in George Hotz Case – PlayStation Blog )〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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