69w ago - I have done this PS3 PUP / Dev_Flash File Spoofer v3 Tool (basically is an script that use other tools) long time ago for easily spoof necessary files from a PUP file or your own files of dev_flash. This works on Cygwin and Ubuntu (not CMD windows)
extractor.exe - Extract vsh.self, index.dat and version.txt of PUP file
spoofer.exe - Spoof your flash files [vsh.self and version.txt] (put there in same folder with spoofer.exe)
spoofer_pup.exe - Extract and spoof automatically files of PUP (it must be in same folder with spoofer_pup.exe)
You must choose what version and image version you want to spoof in tools spoofer.exe and spoofer_pup.exe, for example, if i want to spoof to 6.40 i put this on Cygwin console (you can choose any image version):
./spoofer.exe 06.4000 99999
./spoofer_pup.exe 06.4000 99999
When it finish you have your spoofed files in Spoofed folder. Version must have same numbers of characters, otherwise it give you error on PS3. If you do something wrong PS3 will boot up Red Screen, if that occurs re-install CFW from Recovery Menu.
File index.dat is really not necessary to extract, it creates a new one with spoofed version.txt (spoofed tools does it auto).
I hope this helps anyone. If you see any error or bug please contact me.
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We don't make a lot of new threads because very few people reply in them so it's easier for me to maintain keeping them in our ongoing threads vs 50 threads with 1 post each. I know it doesn't work well for everyone, but I have to do what is easiest for me since I am stuck upkeeping everything here.
After being inactive for a while since my previous release because I had a problem, finally I finished to create and fix my personal tools for PS3 PKG / SPKG for CFW 3.55 / 4.XX complete with source code.
This tools are based on failoverflow's tools, but with support for spkg files on CFW 4.XX, for for example, install a PUP directly from XMB or avoid to do a downgrade to 3.55 to install it.
A spkg file contains header/metadata for that pkg who has his name, PS3 on +3.56 checks his header/metadata for matching, if not fails and can't install. On FW 3.55 and below is not necessary that spkg files.
Patched spu_pkg_rvk_verifier (disable ecdsa check)
Have spkg files on your ".ps3" folder
spkg.exe - This tool creates a spkg file from a pkg file
unspkg.exe - This tool decrypts spkg files (*.spkg_hdr.1)
new_pkg.exe - The tool creates a pkg file and simultaneously a spkg file, the last one is compatible with the first one
new_unpkg.exe - This tool decrypts a pkg file and exports his decrypted header/metadata