Editing Talk:SELF - SPRX

[[Category:Software]] 


To be merged with [[SELF File Format and Decryption]]


=== NPDRM Header  ===

 typedef struct 
 {	
 u32 block_type;  // this is 3(NPDRM)	
 u32 block_size;  // this is 0x90(sizeof(Self_NPDRM))	
 u32 unknown1; //So far always 0	
 u32 unknown2; //So far always 0	
 u32 magic;       // 0x4E504400(NPD)	
 u32 unknown3;    // So far always 1	
 u32 license;    // 1 Network License, 2 Local License, 3 Free	
 u32 type;    // 1 Executable, 21 Update for Disc Based Game	
 u8 titleid[0x30];	
 u8 hash_unknown[0x10];	
 u8 hash1[0x10];	
 u8 hash2[0x10];	
 u8 padding[0x10];	
 } Self_NPDRM

Located after the Self Control Info.





----



=== App Info header: === 
Aligned to 0x10 bytes.
{| class="wikitable"
|-
! field  
! offset
! type
! notes
|-
| authid    
| 0x00
| u64
|-
|unknown     
|0x08
|u32
|-
|app_type      
|0x0c
|u32
|
*1 -- level 0
*2 -- level 1 
*3 -- level 2 
*4 -- application 
*5 -- isolated SPU module 
*6 -- secure loader 
*8 -- NP-DRM application 
|-
|app_version
|0x10 
|u64 
|}

=== Encrypted phdr offset entry ===
There is one of these entries for each phdr entry in the elf file so that the ps3 knows where to decrypt the data from. (because it might also be compressed.)

{| class="wikitable"
|-
! field  
! offset
! type
! notes
|-
|Encrypted Data Offset  
|0x00  
|u64  
|-
 
|Encrypted Data Size
|0x08  
|u64
|-   
|unknown
|0x10
|u32  
|This has been 1 in all the examples I have seen.
|-  
|unknown
|0x14
|u32
|Always 0, as far as I know.
|-  
|unknown
|0x18
|u32
|Always 0, as far as I know.
|-  
|unknown
|0x1c
|u32
|This is 2 for loadable segment types, and 0 for other types.
|- 
|}




{| class="wikitable"
|-
! field !! offset !! type !! notes
|-
| Magic || 0x0 || u32 || Must be "SCE\0"
|-
| version || 0x4 || u32 || This must be 2 or the Self loader will abort 
|-
| flags || 0x8  || u16|| 
*0: retail type 0 
*1: retail 
*2: retail type 1 
*0x8000: devkit 
*4: unknown, games that require 3.42.
*7: unknown, all games that require 3.50 have that flag.

 0001: FW 1.00 (app version 1.0.0)
 0001: FW 3.15 (app version 3.15.0)
 000a: FW 3.55 (app version 3.55.0)
 0013: FW 3.65 (app version 3.65.0)
 0016: FW 3.72 (app version 3.70.0)

|-
|- 
|}