PS3 3.56 Lv12 Decrypt by Becus25.

This tool allows you to decrypt CORE_OS_PACKAGE.pkg, lv1.self and lv2_kernel.self of 3.56 official firmware.

Usage:

1) Download 3.56 official firmware pup file.
2) Run the app and browse the file.
3) Push the button. The files will be decrypted and saved in C:\BPS3Dec

More details: http://www.ps3news.com/PlayStation-3...ails-incoming/