DarkSoulsIII.FileFormats

Tools

BinderTool

DS3ParamExtractor

DirectXTex

Any text editor that supports Shift-JIS encoding

Formats

Extension	Description	Tools
.anibnd	Animation archive	BinderTool
.bdt	General purpose archive	BinderTool
.behaviorstringid
.behbnd	Character behaviour archive	BinderTool
.bhd	General purpose archive (header)	BinderTool
.bnd	General purpose archive	BinderTool
.breakobj	Destructible map objects
.btab
.btl
.btpb
.ccm
.chrbnd	Character archive	BinderTool
.chresdbnd
.chrtpfbhd	Character texture archive	BinderTool
.dcx	Compressed file	BinderTool
.dds	DirectDraw Surface texture (DirectX 9/10/11)	DirectXTex
.drb
.edf
.eld
.enc	Encrypted file	BinderTool
.entryfilelist	Filename list
.entryfilelistbnd	Filename list archive
.esd
.evd
.fev	Audio
.ffx
.ffxbnd	Audio archive	BinderTool
.flver	3D Model
.fmg	Text	BinderTool
.fpo
.fsb	Audio
.gfx	2D UI
.gparam	Map graphics parameter
.hkainvm
.hkainvmbnd	Havok archive	BinderTool
.hkbbnd
.hkbscript	Script
.hkx
.hkxfilebnd	Havok archive	BinderTool
.hkxpwv
.idname
.itl
.loadlist	Map description (plaintext)	Text editor
.loadlistlist	Map description (plaintext)	Text editor
.lua	Script
.luabnd	Script archive	BinderTool
.mapbnd	Map archive	BinderTool
.maptexture
.menuesdbnd	Menu archive	BinderTool
.mmb
.movtae
.mqb
.msb
.msgbnd	Text archive	BinderTool
.msp
.mtd	Material
.mtdbnd	Material archive	BinderTool
.nfd
.nva
.objbnd	Object archive	BinderTool
.onav
.param	Game settings	BinderTool, DS3ParamExtractor
.parambnd	Game settings archive	BinderTool
.paramdef	Game settings definition
.paramdefbnd	Game settings definition archive	BinderTool
.partsbnd	Item archive	BinderTool
.premapdecal
.regbnd	Regulation archive	BinderTool
.remobnd	Demo archive	BinderTool
.rumblebnd	Rumble settings archive	BinderTool
.shaderbdlebnd	Shader archive	BinderTool
.shaderbdlebnddebug	Shader archive	BinderTool
.shaderbnd	Shader archive	BinderTool
.sl2	Savegame	BinderTool
.stayparambnd	Game settings archive	BinderTool
.stayparamdefbnd	Game settings definition archive	BinderTool
.talkeddbnd	Talk archive	BinderTool
.talkesdbnd	Talk archive	BinderTool
.texbnd	Texture archive	BinderTool
.textlist
.tpf	Texture archive	BinderTool
.vpo
.warppassage
.wcmsgbnd	Word checker archive	BinderTool

Encryption

Regulation file (Data0.bdt)

Key	Value
Encryption	AES CBC 256
Key	"ds3#jn/8_7(rsY9pg55GFN7VFL#+3n/)" (ASCII)
IV	First 16 bytes of the Data0.bdt file

Archive header (Data1.bhd-Data5.bhd)

Key	Value
Encryption	RSA 2048
Key	See keys.pem

Archive data (data1.bdt-data5.bdt)

Key	Value
Encryption	AES ECB 128
Key	Stored in the corresponding .bhd file. (Unique for each encrypted file.)

Savegames

Key	Value
Encryption	AES CBC 128
Key	FD464D695E69A39A10E319A7ACE8B7FA
IV	First 16 bytes of the USER_DATA files inside .sl2 file

Network Session

Key	Value
Encryption	AES CBC 128
Key	"ds3vvhes09djxwcj" (ASCII)
IV	Unknown

FMOD Sample Banks (.fsb)

Key	Value
Algorithm	XOR
Key	FDPrVuT4fAFvdHJYAgyMzRF4EcBAnKg