EDAT files: Difference between revisions

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{{Wikify}}
EDATA is a file format used on PSP and PS3 to store encrypted data. There is also on PS3 only the SDATA file format which is very similar to EDATA (to detail). This page is for now about PS3 EDATA/SDATA only.


= Info on the talk page =
= Info on the talk page =
Line 5: Line 5:
'''Info on the talk page''': please digest the info and move it here'''
'''Info on the talk page''': please digest the info and move it here'''


'''The info on this page is an extract of conversations, forum posts and from the talk page.
= Location =


=== EDAT Decryption ===
EDAT files are stored under .edat extension. They are often packed in NPDRM [[PKG files]], downloaded from PS Store then extracted to the PS3 HDD. There are also PSP EDAT files which have a different format (to document).


EDAT decryption requires a key, the klicensee. Depending on the license type, klicensee is got in different ways:
= Structure (Encrypted Format) =
* License type Local: act.dat + rif + idps combo
* License type Free: constant npdrm1 klicensee (see NPDRM Keys and appldr keys)


===== Structure (Encrypted Format) =====
== Header ==


{| class="wikitable" style="text-align: center;"
{| class="wikitable" style="text-align: center;"
|-
|-
! style="background-color:#ffffff; border-left:1px solid #ffffff; border-top:1px solid #ffffff;" |
! style="background-color:#ffffff; border-left:1px solid #ffffff; border-top:1px solid #ffffff;" |
! Offset
! Offset !! Name !! Size !! Type !! Notes
! Name
! Size
! Type
! Notes
|-
|-
! rowspan="19" | Header
! rowspan="10" | Header
|-
|-
| 0x00 || Magic || 4 || char[4] ||"NPD\0" (4E 50 44 00)
| 0x0 || NPD || 0x80 || PS3_NPD || See [[NPD]].
|-
|-
| 0x04 || Version || 4 || uint32_t || ex: 1, 2, 3, 4. See Footer for the precise packager version.
| 0x80 || Type || 1 || ?uint8_t? || (separated from Metadata type for wiki format)
|-
*00: EDAT
| 0x08 || [[License_Types|License Type]] || 4 || uint32_t || For PS2 EDAT, PS3 FW requires it to be with activation (also a.k.a. Paid content paired with your individual data) for [[PKG_files#Misc.2FNote|PS1 PKG]], PS3 FW 4.00 introduced some changes for installing them with regard to the EDAT license type.
*01: SDAT
|-
*80: Non Finalized (unsigned)
| 0x0C || [[App Types|Application Type]] || 4 || uint32_t ||
|-
| 0x10 || [[PARAM.SFO#CONTENT_ID|CONTENT ID]] || 0x30 || uint8_t[0x30] || Content ID (with padding to fit 48 bytes)
|-
| 0x40 || Digest || 0x10 || uint8[0x10] || QA digest (seems like to be a SHA-1 hash of the non-finalized file): hash of the original data which is unknown until the whole file is read, so it cannot be used as a check, however it can be used as watermark or zeroed on forged file.
|-
| 0x50 || NPD CID-FN Hash || 0x10 || uint8_t[0x10] || CID-FN hash. AES-CMAC hash of concatenation of Content ID (48 bytes) and EDAT file name (eg MINIS.EDAT) using the third [[Keys#NPDRM_OMAC_Keys|NPDRM OMAC key]] as AES-CMAC key. Example: aes_cmac(55 50 30 35 37 36 2D 4E 50 55 5A 30 30 31 34 39 5F 30 30 2D 56 41 4E 47 55 41 52 44 32 30 30 30 30 30 30 31 00 00 00 00 00 00 00 00 00 00 00 00 4D 49 4E 49 53 2E 45 44 41 54, npd_cid_fn_hash_omac_key).
|-
| 0x60 || NPD Header hash || 0x10 || uint8_t[0x10] || Header hash. AES CMAC hash of the 0x60 bytes from the beginning of the file using (klicensee XOR [[Keys#NPDRM_OMAC_Keys|second NPDRM OMAC key]] as AES-CMAC key.
|-
| 0x70 || Activation time || 8 || ?64-bit time or 32-bit padding? || Start of the validity period, filled with 00 if not used.
|-
| 0x78 || Expiration time || 8 || ?64-bit time or 32-bit padding? || End of the validity period, filled with 00 if not used.
|-
| 0x80 || NPD type || 1 || ?uint8_t? || (separated from Metadata type for wiki format)
*00: Finalized EDAT
*01: Finalized SDAT
*80: Non Finalized EDAT
*81: Non Finalized SDAT
|-
|-
| 0x81 || Metadata type || 3 || ?uint8_t[3]? || (Outdated Flags description from talk page)
| 0x81 || Metadata type || 3 || ?uint8_t[3]? || (Outdated Flags description from talk page)
Line 64: Line 39:
*3C: Data/misc?
*3C: Data/misc?
|-
|-
| 0x84 || Segment size || 4 || uint32_t || Default block is 16 KB (16384 bytes) = 0x4000, max is 0x8000.
| 0x84 || Block size || 4 || uint32_t || Default block size is 16 KB (0x4000 bytes). Max block size is 32 KB (0x8000 bytes). Working block sizes are: 1, 2, 4, 8, 16, 32 KB.
|-
|-
| 0x88 || Data size || 8 || uint64_t || Decoded data size.
| 0x88 || Data size || 8 || uint64_t || Decoded data size.
|-
|-
| 0x90 || Meta data sections hash || 0x10 || uint8_t[0x10] ||  
| 0x90 || Metadata sections hash || 0x10 || uint8_t[0x10] ||  
|-
|-
| 0xA0 || Extended header hash || 0x10 || uint8_t[0x10] || AES-CMAC hash of 160 bytes from the beginning of file. It uses the hash key as AES-CMAC key and it depends on the file flags and keys. ?What does this mean?
| 0xA0 || Extended header hash || 0x10 || uint8_t[0x10] || AES-CMAC hash of 160 bytes from the beginning of EDAT file. It uses the hash key as AES-CMAC key and it depends on the file flags and keys. ?What does this mean, see make_npdata by Hykem?
|-
|-
| 0xB0 || ECDSA Metadata signature || 0x28 || uint8_t[0x28] || Can be zeroed on forged file. curve_type is vsh type 0x02, pub is vsh public key,
| 0xB0 || ECDSA Metadata signature || 0x28 || uint8_t[0x28] || ECDSA curve type is vsh type 2. ECDSA public key is vsh public key (to check). It can be zeroed on forged file.
|-
|-
| 0xD8 || ECDSA Header signature || 0x28) || uint8_t[0x28] || Enabled (only?) for PS2 classic: all PS3 CFWs are patched to skip the ECDSA check. Can be zeroed on forged file. curve_type is vsh type 2, pub is vsh public key.
| 0xD8 || ECDSA Header signature || 0x28) || uint8_t[0x28] || ECDSA curve type is vsh type 2. ECDSA public key is vsh public key (to check). Enabled (only?) for PS2 classic contents: all PS3 CFWs are patched to skip the ECDSA signature check. It can be zeroed on forged file.
|-
|-
! colspan=6 |       
! colspan=6 |       
Line 80: Line 55:
! rowspan="3" | Body
! rowspan="3" | Body
|-
|-
| 0x100 || Encrypted file || Variable || uint8_t[variable] || The file is encrypted using an AES algorithm in CBC mode.
| 0x100 || Encrypted file || Variable || uint8_t[variable] || The file is encrypted using AES128CBC.
|-
|-
| 0x** || Padding || Variable || uint8_t[variable] || Aligned on ?? bytes.
| 0x** || Padding || Variable || uint8_t[variable] || Aligned on ?? bytes.
|}
|}


===== Footer Structure (Encrypted Format) =====
== Footer ==


{| class="wikitable" style="text-align: center;"
{| class="wikitable" style="text-align: center;"
Line 99: Line 74:
*Version 2: "2.4.0.L "
*Version 2: "2.4.0.L "
*Version 2: "2.4.0.W "
*Version 2: "2.4.0.W "
*Version 2: "2.7.0.W "
*Version 2: "2.7.0.L "
*Version 2: "2.7.0.L "
*Version 3: "3.1.0.W "
*Version 3: "3.1.0.W "
Line 109: Line 85:
|}
|}


= EDAT Versions =
There are 4 PS3 EDAT ?and NPD? format major versions:
* 1: compatible with SDK 2.1x or older
* 2: compatible with SDK 3.0x or older
* 3: compatible with SDK 3.7x or older
* 4: compatible with SDK ?.?? or older. Certainly supported since some 4.0x FW.
= EDAT Extraction =
EDAT decryption, and complete verification, requires Klicensee. See [[NPDRM]].
= EDAT Generation =
To document.
= Tools =
== Official tools ==
=== make_edata_npdrm version 1.0.0 ===
Found in SCE PS3 SDK 1.92.
=== make_edata_npdrm version 2.7.0.W ===
make_edata_npdrm version 2.7.0.W (2009-08-18)
Found in SCE PS3 SDK 3.00.
=== make_edata_npdrm version 3.3.0.W ===
make_edata_npdrm version 3.3.0.W (2011-03-04)
Found in SCE PS3 SDK 3.60.
=== make_edata_npdrm version 4.0.0.W ===
make_edata_npdrm version 4.0.0.W (?date?)
Found in SCE PS3 SDK 4.75.
<pre>
make_edata_npdrm -h
make_edata_npdrm: version 4.0.0.W
usage:
  make_edata_npdrm [-options] <input file> <output file>
options:
  -h, --help    : print this usage and exit
  -v, --version  : print program version and exit
  -p, --progress : print progress [%]
  [create option]
  -b <size(KB)>  : block size (default 16, max 32)
  -z, --compress : data compress
  --format1      : old format (compatible with SDK 2.1x or older)
  --format2      : old format (compatible with SDK 3.0x or older)
  --format3      : old format (compatible with SDK 3.7x or older)
  [extract/check option]
  -x, --extract  : extract raw image from developing EDATA
  -i, --info    : print file information
</pre>
== Unofficial tools ==
=== make_npdata by Hykem ===
* [https://github.com/ErikPshat/make_npdata-hykem make_npdata by Hykem]
=== True Ancestor EDAT Rebuilder by JjKkYu ===
To document.


{{File Formats}}<noinclude>[[Category:Main]]</noinclude>
{{File Formats}}<noinclude>[[Category:Main]]</noinclude>

Revision as of 03:33, 12 February 2022

EDATA is a file format used on PSP and PS3 to store encrypted data. There is also on PS3 only the SDATA file format which is very similar to EDATA (to detail). This page is for now about PS3 EDATA/SDATA only.

Info on the talk page

Info on the talk page: please digest the info and move it here

Location

EDAT files are stored under .edat extension. They are often packed in NPDRM PKG files, downloaded from PS Store then extracted to the PS3 HDD. There are also PSP EDAT files which have a different format (to document).

Structure (Encrypted Format)

Header

Offset Name Size Type Notes
Header
0x0 NPD 0x80 PS3_NPD See NPD.
0x80 Type 1 ?uint8_t? (separated from Metadata type for wiki format)
  • 00: EDAT
  • 01: SDAT
  • 80: Non Finalized (unsigned)
0x81 Metadata type 3 ?uint8_t[3]? (Outdated Flags description from talk page)
  • 00
  • 01: Compressed?
  • 02: Plain text?
  • 03: Compressed plain text?
  • 05: Compressed?
  • 06: Plain text?
  • 07: Compressed plain text?
  • 0C: ?
  • 0D: Compressed data?
  • 3C: Data/misc?
0x84 Block size 4 uint32_t Default block size is 16 KB (0x4000 bytes). Max block size is 32 KB (0x8000 bytes). Working block sizes are: 1, 2, 4, 8, 16, 32 KB.
0x88 Data size 8 uint64_t Decoded data size.
0x90 Metadata sections hash 0x10 uint8_t[0x10]
0xA0 Extended header hash 0x10 uint8_t[0x10] AES-CMAC hash of 160 bytes from the beginning of EDAT file. It uses the hash key as AES-CMAC key and it depends on the file flags and keys. ?What does this mean, see make_npdata by Hykem?
0xB0 ECDSA Metadata signature 0x28 uint8_t[0x28] ECDSA curve type is vsh type 2. ECDSA public key is vsh public key (to check). It can be zeroed on forged file.
0xD8 ECDSA Header signature 0x28) uint8_t[0x28] ECDSA curve type is vsh type 2. ECDSA public key is vsh public key (to check). Enabled (only?) for PS2 classic contents: all PS3 CFWs are patched to skip the ECDSA signature check. It can be zeroed on forged file.
Body
0x100 Encrypted file Variable uint8_t[variable] The file is encrypted using AES128CBC.
0x** Padding Variable uint8_t[variable] Aligned on ?? bytes.

Footer

Description Size Notes
Name 5 "EDATA" or "SDATA"
Space character 1 ' ' = 0x20
Packager Version 8
  • Version 1: "packager"
  • Version 2: "2.4.0.L "
  • Version 2: "2.4.0.W "
  • Version 2: "2.7.0.W "
  • Version 2: "2.7.0.L "
  • Version 3: "3.1.0.W "
  • Version 3: "3.3.0.L "
  • Version 3: "3.3.0.W "
  • Version 4: "4.0.0.L "
  • Version 4: "4.0.0.W "
Padding 2 00 00

EDAT Versions

There are 4 PS3 EDAT ?and NPD? format major versions:

  • 1: compatible with SDK 2.1x or older
  • 2: compatible with SDK 3.0x or older
  • 3: compatible with SDK 3.7x or older
  • 4: compatible with SDK ?.?? or older. Certainly supported since some 4.0x FW.

EDAT Extraction

EDAT decryption, and complete verification, requires Klicensee. See NPDRM.

EDAT Generation

To document.

Tools

Official tools

make_edata_npdrm version 1.0.0

Found in SCE PS3 SDK 1.92.

make_edata_npdrm version 2.7.0.W

make_edata_npdrm version 2.7.0.W (2009-08-18)

Found in SCE PS3 SDK 3.00.

make_edata_npdrm version 3.3.0.W

make_edata_npdrm version 3.3.0.W (2011-03-04)

Found in SCE PS3 SDK 3.60.

make_edata_npdrm version 4.0.0.W

make_edata_npdrm version 4.0.0.W (?date?)

Found in SCE PS3 SDK 4.75. 

make_edata_npdrm -h
make_edata_npdrm: version 4.0.0.W
usage:
  make_edata_npdrm [-options] <input file> <output file>

options:
  -h, --help     : print this usage and exit
  -v, --version  : print program version and exit
  -p, --progress : print progress [%]

  [create option]
  -b <size(KB)>  : block size (default 16, max 32)
  -z, --compress : data compress

  --format1      : old format (compatible with SDK 2.1x or older)
  --format2      : old format (compatible with SDK 3.0x or older)
  --format3      : old format (compatible with SDK 3.7x or older)

  [extract/check option]
  -x, --extract  : extract raw image from developing EDATA
  -i, --info     : print file information

Unofficial tools

make_npdata by Hykem

True Ancestor EDAT Rebuilder by JjKkYu

To document.

SCE File Types
Certified File
NPDRM
NPDRM · App Types · ACT.DAT · RIF
PKG
EDAT
RCOXML
CXML
XMBML
XMB Config
DB Config
Databases
System Data
XMB Preload
Licences
 ·
Games/Apps
PS3
Emulators
Web
Unsorted
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