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by Hykem
Tue Jan 21, 2014 9:00 pm
Forum: Programming and Security
Topic: Decrypting an EDAT file
Replies: 7
Views: 4998

Re: Decrypting an EDAT file

Are you trying to decrypt a PS3 .edat? That's what edat3tool is for. The PSP .edat files (commonly seen in DLC) have a different format (you can distinguish them by the header: PSPEDAT). If you're trying to decrypt PSP .edat files, the decryption routine has been reverse-engineered by me and by tpun...
by Hykem
Mon Jan 20, 2014 4:15 pm
Forum: Programming and Security
Topic: Dumping Vita game card.
Replies: 97
Views: 56149

Re: Dumping Vita game card.

Awesome job katsu and thanks a lot for sharing the process. This needs to be added to the Vita Dev Wiki.
by Hykem
Wed Jan 15, 2014 4:12 pm
Forum: Programming and Security
Topic: Something interesting. Smallest Homebrew
Replies: 18
Views: 4973

Re: Something interesting. Smallest Homebrew

Hehe, nice key. ;)
by Hykem
Sun Jan 16, 2011 6:00 pm
Forum: Programming and Security
Topic: PS3 packages and how it leads to PSP signing
Replies: 318
Views: 163490

Re: PS3 packages and how it leads to PSP signing

is the decryptMode supposed to match the last param passed to sceUtilsBufferCopyWithRange, or is it something else? That's something else entirely, it's used to determine which file type and where if it can be run depending on where it's located (it's also linked to the mod_attribute field). Ah, th...
by Hykem
Sat Jan 15, 2011 8:32 pm
Forum: Programming and Security
Topic: PS3 packages and how it leads to PSP signing
Replies: 318
Views: 163490

Re: PS3 packages and how it leads to PSP signing

Hi. :) Long time lurker, first time poster. After seeing coyotebean 's references to Kirk4, Kirk7 and Kirk1 functions calling 0x1e40, 0x1cd0 and 0x24d0 in the SPU disasm, I've been looking for other similar functions that could be calling these handlers. Here're my findings so far: // Encrypt ENCRYP...

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