[Solved] Help me, how to decrypt PSN downloaded PSP theme?

[IBRSB]

Is there any similar to decrypt plugins of NPdecrypter? Thanks for helping.
Sorry for my poor English, If there is anything wrong, please forgive me.
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Problem is solved.

[popo]

Is there any similar to decrypt plugins of NPdecrypter? Thanks for helping.
Sorry for my poor English, If there is anything wrong, please forgive me.
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Original language:
請問要怎麼解密PSN下載來的PSP主題(PTF)?
或是有沒有什麼類似NPdecrypter的解密插件?麻煩幫幫我，謝謝。

PSNでダウンロードしたPSPテーマはどうやって復号化するんですか？
もしくはNPdecrypterみたいなプラグインがありますか？助けてください、ありがとうございます。

AFAIK there is no way to decrypt that.

[IBRSB]

AFAIK there is no way to decrypt that.

Your "Location: Japan/china", Chinese should be good?
I have seen someone who decrypted it successfully in a forum.↓
"To decrypt the theme that downloads from the product code the box of memory stick, and then do reproduction 5xx firmware versionon the basis of 6xx firmware version."

Original language↓
"从Amazon上买的主题记忆棒，获得PS Store的下载代码，然后破解后在6xx固件版本的基础上重制了5xx固件版本。"

But, i dont know him...

[TragicTheBlubbering]

Moved to /Themes.

[IBRSB]

Moved to /Themes.

Oh...>_< I am sorry, and thanks.

[moz]

install the theme normaly, then with pspfiler go to flash1 - vsh - theme - custom-theme.dat
copy it on your memory stick, and finally load it with zerovsh.prx

you can find zerovsh.prx here viewtopic.php?f=28&t=8742
i hope this works

[qwikrazor87]

install the theme normaly, then with pspfiler go to flash1 - vsh - theme - custom-theme.dat
copy it on your memory stick, and finally load it with zerovsh.prx

you can find zerovsh.prx here http://wololo.net/talk/viewtopic.php?f=28&t=8742
i hope this works

An easier way to do it is just rename the downloaded ptf to custom-theme.dat since they are both the same files (the downloaded one and the and flashed one), unless I'm wrong and the different firmwares flash the theme differently.

[IBRSB]

install the theme normaly, then with pspfiler go to flash1 - vsh - theme - custom-theme.dat
copy it on your memory stick, and finally load it with zerovsh.prx

you can find zerovsh.prx here viewtopic.php?f=28&t=8742
i hope this works

Thank you, it's successful.
But there is a problem.
When i choose official theme of "Tasty Treat", the custom-theme.dat can display. But i put the PSP into sleep mode, and then wake it up.
There is the problem:
the icons is custom-theme.dat, but background becomes theme of "Tasty Treat".
I have to choose "Tasty Treat", and then the background will be custom-theme.dat.
How to extract background from custom-theme.dat?

[IBRSB]

An easier way to do it is just rename the downloaded ptf to custom-theme.dat since they are both the same files (the downloaded one and the and flashed one), unless I'm wrong and the different firmwares flash the theme differently.

Thank you, i tried, but it couldn't be loaded with zerovsh.prx.

[moz]

When i choose official theme of "Tasty Treat", the custom-theme.dat can display.
But i put the PSP into sleep mode, and then wake it up.
There is the problem:
the icons is custom-theme.dat, but background becomes theme of "Tasty Treat".
I have to choose "Tasty Treat", and then the background will be custom-theme.dat.
How to extract background from custom-theme.dat?

Looks like you found a bug in zerovsh patcher

i have no idea but maybe on a computer with ctftool gui installed you can extract the background from custom_theme.dat