PS3 Developer DarkGiovy is back with an update to his popular DarkEboot fixer app.  DarkEboot Fixer lets users resign EBOOTs that require up to firmware 4.31 for either 3.55 or 4.xx cfw.  This update includes the option to decrypt and encrypt SDAT files.  See below for the changelog and dev statement.

"This is version 5.0 of my tool that with exploiting the new and the new 4.31 appldr key, will allow you to fix all eboot game requiring up to firmware 4.31 to be able to start on 3.55 CFW. The tool also provides several options that allow you to perform various operations without additional programs. Some games may require the fix file .sprx - .self or .edat.



Changelog:

Rewrote the system Fix option 2 now also supports the fix file .bin,.self & .SPRX also provides the tool by itself to recognize if the uploaded file is a NPDRM or APP fix and as such, by automatically the Content ID

Enter Content-ID Utility, you can find out the content of a PKG ID or file self (.bin / .sprx / .self)

Fixed a bug in the script fix the fix for CFW Eboot NPDRM 4.XX

Revised script for fixare (.bin / .sprx / .self) with KLicensee

Added option to create PKG for Debug console (DEX)

New extraction method PKG NPDRM

New option to automatically generate the file package.conf, you can now generate selecting a pkg file, or create it manually (When possible, I recommend you create starting from the original pkg)

Added option to resignare file (.bin / .sprx / .self) in NPDRM

Added option to sign PKG for Geohot CFW

Added option to remove the APP Version from PARAM.SFO

Added the ability to see the details of a file (.bin / .sprx / .self) and save them in a .txt file

Added options to decrypt and encrypt file .SDAT

Source