ERF - Revision history

Thought Process: /* Blowfish */

2011-03-12T21:43:17Z

‎Blowfish

2011-03-04T20:15:20Z

2011-03-03T00:29:41Z

‎Encryption: described XOR encryption and decryption

2011-03-02T05:00:46Z

DAE notes

2011-03-02T04:59:23Z

DAO note v2

2011-03-02T04:58:39Z

whoops, I totally meant bold

2011-03-02T04:58:20Z

DAO note

2011-03-01T19:46:05Z

content → module

2011-03-01T10:34:01Z

wrong bits for compression scheme

2011-03-01T10:19:54Z

fix a link in V3.0

← Older revision		Revision as of 21:43, 12 March 2011
Line 415:		Line 415:

	File data will be encrypted using [http://en.wikipedia.org/wiki/Blowfish_(cipher) Blowfish] in ECB.		File data will be encrypted using [http://en.wikipedia.org/wiki/Blowfish_(cipher) Blowfish] in ECB.
		+
		+	These instructions only apply to encryption scheme #2.

	'''To encrypt:'''		'''To encrypt:'''

@@ Line 212: / Line 212: @@
 * 0 : None
 * 1 : Bioware Zlib ''(Dragon Age 2 only)''
 * 7 : Headerless Zlib ''(Dragon Age 2 only)''
 * Any other value is invalid.
@@ Line 325: / Line 327: @@
 * 0 : None
 * 1 : Bioware Zlib ''(Dragon Age 2 only)''
 * 7 : Headerless Zlib ''(Dragon Age 2 only)''
 * Any other value is invalid.

@@ Line 429: / Line 429: @@
 * Use that array as key to initialize Blowfish.
 * Decrypt the data.
 === Compression ===

@@ Line 205: / Line 205: @@
 * 1 : XOR
 * 2 : Blowfish
-* 3 : Blowfish
+* 3 : Blowfish ''(Dragon Age 2 only)''
 * Any other value is invalid.
@@ Line 211: / Line 211: @@
 ''(flags >> 29) & 0x7''
 * 0 : None
-* 1 : Bioware Zlib
+* 1 : Bioware Zlib ''(Dragon Age 2 only)''
-* 7 : Headerless Zlib
+* 7 : Headerless Zlib ''(Dragon Age 2 only)''
 * Any other value is invalid.
@@ Line 318: / Line 318: @@
 * 1 : XOR
 * 2 : Blowfish
-* 3 : Blowfish
+* 3 : Blowfish ''(Dragon Age 2 only)''
 * Any other value is invalid.
@@ Line 324: / Line 324: @@
 ''(flags >> 29) & 0x7''
 * 0 : None
-* 1 : Bioware Zlib
+* 1 : Bioware Zlib ''(Dragon Age 2 only)''
-* 7 : Headerless Zlib
+* 7 : Headerless Zlib ''(Dragon Age 2 only)''
 * Any other value is invalid.

@@ Line 432: / Line 432: @@
 === Compression ===
-'''Compression is not supported by Dragon Age: Origins.'''
+'''''Compression is not supported by Dragon Age: Origins.'''''
 Note that if encryption is enabled:

← Older revision		Revision as of 04:58, 2 March 2011
Line 431:		Line 431:

	=== Compression ===		=== Compression ===
		+
		+	''Compression is not supported by Dragon Age: Origins.''

	Note that if encryption is enabled:		Note that if encryption is enabled:

@@ Line 216: / Line 216: @@
 |-
-| contentId
+| moduleId
 | uint32
 | This id is used to look up the password for the ERF when encryption is present, for example, DLC.
@@ Line 329: / Line 329: @@
 |-
-| contentId
+| moduleId
 | uint32
 | This id is used to look up the password for the ERF when encryption is present, for example, DLC.

@@ Line 198: / Line 198: @@
 * 0x00000001 (bit 0) : Unknown
 * 0x000000F0 (bits 4 - 7) : [[#Encryption|Encryption]] scheme
-* 0x70000000 (bits 28 - 30) : [[#Compression|Compression]] scheme
+* 0xE0000000 (bits 29 - 31) : [[#Compression|Compression]] scheme
 [[#Encryption|Encryption]] scheme:
@@ Line 209: / Line 209: @@
 [[#Compression|Compression]] scheme:
-''(flags >> 28) & 0x7''
+''(flags >> 29) & 0x7''
 * 0 : None
 * 1 : Bioware Zlib
@@ Line 311: / Line 311: @@
 * 0x00000001 (bit 0) : Unknown
 * 0x000000F0 (bits 4 - 7) : [[#Encryption|Encryption]] scheme
-* 0x70000000 (bits 28 - 30) : [[#Compression|Compression]] scheme
+* 0xE0000000 (bits 29 - 31) : [[#Compression|Compression]] scheme
 [[#Encryption|Encryption]] scheme:
@@ Line 322: / Line 322: @@
 [[#Compression|Compression]] scheme:
-''(flags >> 28) & 0x7''
+''(flags >> 29) & 0x7''
 * 0 : None
 * 1 : Bioware Zlib

@@ Line 341: / Line 341: @@
 | stringTable
 | char[stringTableSize]
-| Zero-padded strings referenced by nameOffset in [[#Entry|TOC entries]]. Strings are stored as ASCII. Note that not all TOC entries have to reference an entry in the string table.
+| Zero-padded strings referenced by nameOffset in [[#Entry_3|TOC entries]]. Strings are stored as ASCII. Note that not all TOC entries have to reference an entry in the string table.
 |}