EDAT files
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Info on the talk page
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Decryption of EDATS
Three ways to do it:
- act.dat,rif,idps combo
- rap
- free content (npdrm1 klic)
Free Content
Simply decrypted with appldr keys and free klic
Using RAP
Overview of steps:
- Obtain rifkey from rap (flatz's rap2rifkey)
- Decrypt EDAT using corresponding klic (minis,psxclassics,etc) and rifkey
Header Structure (Encrypted Format)
Offset | Description | Size | Type | Note |
---|---|---|---|---|
0x00 | magic | 4 | uint32 | "NPD" (4E 50 44 00) |
0x04 | version | 4 | uint32 |
|
0x08 | License Types | 4 | uint32 |
|
0x0B | Sub-licenses type? | 4 | uint32 |
|
0x10 | CONTENT ID | 48 (0x30) | uint8 | |
0x40 | Digest | 16 (0x10) | uint8 | |
0x50 | NPD hash 1 | 16 (0x10) | uint8 | TitlefilenameHash |
0x60 | NPD hash 2 | 16 (0x10) | uint8 | HeaderHash |
0x70 | Activation dates | 8 | unkn | (Since and up to) filled with 00 if not used |
0x78 | Activation dates | 8 | unkn | (Since and up to) filled with 00 if not used |
0x80 | NPD type | 1 | uint8 | (Separated from Metadata type for wiki format)
|
0x83 | Metadata type | 3 | uint8 | (Flags description from talk page)
|
0x84 | Block size? | 4 | uint8 | default is 16 kbytes = 0x4000 |
0x88 | Data size | 8 | uint8 | decoded data size |
0x90 | 16 | |||
0xA0 | 16 | |||
0xB0 | 80 (0x50) |
Description | Size | Note |
---|---|---|
Name | 5 | "EDATA" or "SDATA" |
Space | 1 | 0x20 |
Revision Version? | 8 |
|
End of the file | 2 | 00 00 |
Note: Applied for normal ps3 edats and minis.edat