widevine

README

widevine

Theatricality and deception, powerful agents to the uninitiated. But we are initiated, aren’t we, Bruce?

The Dark Knight Rises (2012)

Widevine implementation

• https://github.com/search?q=L3+CDM
• https://integration.widevine.com/diagnostics

bounty

I am offering bounty of 1000 USD for information about the Widevine L1 provision process. contact me privately if you know about this - I also offer a finders fee if you know someone with information

where did proto file come from?

https://github.com/rlaphoenix/pywidevine/blob/master/pywidevine/license_protocol.proto

FoxRefire/wvg

https://github.com/FoxRefire/wvg

hyugogirubato/KeyDive

https://github.com/hyugogirubato/KeyDive

Jnzzi/4464_L3-CDM

https://github.com/Jnzzi/4464_L3-CDM

wvdumper/dumper

install Android Studio. then create Android virtual device:

abi

x86

api level

24

target

Android 7.0 (Google APIs)

then download Widevine Dumper. Then install:

pip install -r requirements.txt

then download Frida server, example file:

frida-server-15.1.17-android-x86.xz

then start Frida server:

adb root
adb push frida-server-15.1.17-android-x86 /data/frida-server
adb shell chmod +x /data/frida-server
adb shell /data/frida-server

then start Android Chrome and visit Shaka Player. click the green play button. if you receive this prompt:

bitmovin.com wants to play protected content. Your device’s identity will be verified by Google.

click ALLOW. then start dumper:

$env:PROTOCOL_BUFFERS_PYTHON_IMPLEMENTATION = 'python'
python dump_keys.py

once you see "Hooks completed", go back to Chrome and click the green play button again. result:

2022-05-21 02:10:52 PM - Helpers.Scanner - 49 - INFO - Key pairs saved at
key_dumps\Android Emulator 5554/private_keys/4464/2770936375

Documentation

Index

• type Cdm
  • func (c *Cdm) Block(body ResponseBody) (cipher.Block, error)
  • func (c *Cdm) New(private_key, client_id, pssh []byte) error
  • func (c *Cdm) RequestBody() ([]byte, error)
• type KeyContainer
  • func (k KeyContainer) Id() []byte
  • func (k KeyContainer) Key(block cipher.Block) []byte
• type PsshData
  • func (p *PsshData) Marshal() []byte
• type ResponseBody
  • func (r ResponseBody) Container() func() (KeyContainer, bool)
  • func (r *ResponseBody) Unmarshal(data []byte) error
• type Wrapper

Types

type Cdm

type Cdm struct {
	// contains filtered or unexported fields
}

func (*Cdm) Block

func (c *Cdm) Block(body ResponseBody) (cipher.Block, error)

func (*Cdm) New

func (c *Cdm) New(private_key, client_id, pssh []byte) error

func (*Cdm) RequestBody

func (c *Cdm) RequestBody() ([]byte, error)

type KeyContainer

type KeyContainer struct {
	// contains filtered or unexported fields
}

func (KeyContainer) Id

func (k KeyContainer) Id() []byte

func (KeyContainer) Key

func (k KeyContainer) Key(block cipher.Block) []byte

type PsshData

type PsshData struct {
	ContentId []byte
	KeyIds    [][]byte
}

func (*PsshData) Marshal

func (p *PsshData) Marshal() []byte

type ResponseBody

type ResponseBody struct {
	// contains filtered or unexported fields
}

func (ResponseBody) Container

func (r ResponseBody) Container() func() (KeyContainer, bool)

func (*ResponseBody) Unmarshal

func (r *ResponseBody) Unmarshal(data []byte) error

type Wrapper

type Wrapper interface {
	Wrap([]byte) ([]byte, error)
}