Content Protection for HTTP Live Streaming
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1 Media #WWDC15 Content Protection for HTTP Live Streaming Session 502 Roger Pantos HTTP Live Streaming Engineer 2015 Apple Inc. All rights reserved. Redistribution or public display not permitted without written permission from Apple.
2 FairPlay Streaming
3 Overview of FairPlay Streaming (FPS)
4 Overview of FairPlay Streaming (FPS) Industrial-strength protection for your HTTP Live Streaming audio & video
5 Overview of FairPlay Streaming (FPS) Industrial-strength protection for your HTTP Live Streaming audio & video Already delivering keys in the premium content industry
6 Overview of FairPlay Streaming (FPS) Industrial-strength protection for your HTTP Live Streaming audio & video Already delivering keys in the premium content industry Built into ios, Apple TV, and OS X
7 Overview of FairPlay Streaming (FPS) Industrial-strength protection for your HTTP Live Streaming audio & video Already delivering keys in the premium content industry Built into ios, Apple TV, and OS X Power-efficient on mobile devices
8 Overview of FairPlay Streaming (FPS) Industrial-strength protection for your HTTP Live Streaming audio & video Already delivering keys in the premium content industry Built into ios, Apple TV, and OS X Power-efficient on mobile devices Integrated with AirPlay
9 Overview of FairPlay Streaming (FPS) Industrial-strength protection for your HTTP Live Streaming audio & video Already delivering keys in the premium content industry Built into ios, Apple TV, and OS X Power-efficient on mobile devices Integrated with AirPlay Offered under the Apple Developer Program License Agreement
10 Scope of FairPlay Streaming What It Is FairPlay Streaming is:
11 Scope of FairPlay Streaming What It Is FairPlay Streaming is: A secure key delivery mechanism - Content Key is protected on the network and on the client during playback
12 Scope of FairPlay Streaming What It Is FairPlay Streaming is: A secure key delivery mechanism - Content Key is protected on the network and on the client during playback Key delivery is transport agnostic - Easy to integrate with existing key server infrastructure
13 Scope of FairPlay Streaming What It Is FairPlay Streaming is: A secure key delivery mechanism - Content Key is protected on the network and on the client during playback Key delivery is transport agnostic - Easy to integrate with existing key server infrastructure Requires protected HDMI for external output
14 Scope of FairPlay Streaming What It Isn t FairPlay Streaming does NOT: Provide DRM rights expression or policy enforcement, or Provide user authentication or per-device authorization These can be implemented separately and combined with FPS
15 How to Use FairPlay Streaming
16 What Do You Need to Do?
17 What Do You Need to Do? Integrate a FairPlay Streaming Key Security Module (KSM) into your key server
18 What Do You Need to Do? Integrate a FairPlay Streaming Key Security Module (KSM) into your key server Add code to your app to relay key requests and responses
19 What Do You Need to Do? Integrate a FairPlay Streaming Key Security Module (KSM) into your key server Add code to your app to relay key requests and responses For each HLS asset that you wish to protect: Generate and store a Content Key (CK) in your back-end database Encrypt the asset using AES Sample encryption Put a reference to the CK into your HLS playlist
20 Designing a FairPlay Streaming System Gianpaolo Fasoli FairPlay Streaming Engineer
21 Designing a FairPlay Streaming System
22 Designing a FairPlay Streaming System Purpose and importance of your credentials
23 Designing a FairPlay Streaming System Purpose and importance of your credentials Building blocks and data flows
24 Designing a FairPlay Streaming System Purpose and importance of your credentials Building blocks and data flows What we provide, what you have to build
25 Designing a FairPlay Streaming System Purpose and importance of your credentials Building blocks and data flows What we provide, what you have to build Integrating FPS into your Key Server
26 Designing a FairPlay Streaming System Purpose and importance of your credentials Building blocks and data flows What we provide, what you have to build Integrating FPS into your Key Server Testing your Key Security Module
27 Designing a FairPlay Streaming System Purpose and importance of your credentials Building blocks and data flows What we provide, what you have to build Integrating FPS into your Key Server Testing your Key Security Module Integrating FPS into your app
28 Designing a FairPlay Streaming System Purpose and importance of your credentials Building blocks and data flows What we provide, what you have to build Integrating FPS into your Key Server Testing your Key Security Module Integrating FPS into your app Encrypting and testing your content
29 FairPlay Streaming Credentials KSM Credentials differentiate you from other FPS deployments
30 FairPlay Streaming Credentials KSM Credentials differentiate you from other FPS deployments Playing content on a customer device requires production credentials
31 FairPlay Streaming Credentials KSM Credentials differentiate you from other FPS deployments Playing content on a customer device requires production credentials You must protect your production credentials
32 FairPlay Streaming Request Flow Your App Your Key Database Your Key Server Internet AVFoundation Delegate FPS KSM Existing Provided Your Implementation AVFoundation
33 FairPlay Streaming Request Flow 1 Your app asks AVFoundation to play your protected HLS asset Your App Your Key Database Your Key Server Internet AVFoundation Delegate FPS KSM 1 Existing Provided Your Implementation AVFoundation
34 FairPlay Streaming Request Flow 2 AVFoundation will download your m3u8 playlist containing the KEY tag Your App Your Key Database Your Key Server Internet AVFoundation Delegate FPS KSM 2 1 Existing Provided Your Implementation AVFoundation
35 FairPlay Streaming Request Flow 3 AVFoundation will call your app delegate to request the key Your App Your Key Database Your Key Server Internet AVFoundation Delegate FPS KSM Existing Provided Your Implementation AVFoundation
36 FairPlay Streaming Request Flow 4 Your app delegate calls AVFoundation to create an FPS Server Playback Context request Your App Your Key Database Your Key Server Internet AVFoundation Delegate FPS KSM Existing Provided Your Implementation AVFoundation
37 FairPlay Streaming Request Flow 5 Your app delegate sends the FPS SPC to your key server Your App 5 5 Your Key Database Your Key Server Internet AVFoundation Delegate FPS KSM Existing Provided Your Implementation AVFoundation
38 FairPlay Streaming Request Flow 6 Key server unwraps the SPC with your FPS KSM and performs CK lookup Your App Your Key Database Your Key Internet Server AVFoundation Delegate FPS KSM Existing Provided Your Implementation AVFoundation
39 FairPlay Streaming Request Flow 7 After lookup, your FPS KSM wraps the content key into a Content Key Context response Your App 5 5 Your Key Database 6 Your Key Server Internet 7 7 AVFoundation Delegate FPS KSM Existing Provided Your Implementation AVFoundation
40 FairPlay Streaming Request Flow 8 Your app delegate provides the CKC to AVFoundation Your App 5 5 Your Key Database 6 Your Key Server Internet 7 7 AVFoundation Delegate FPS KSM Existing Provided Your Implementation AVFoundation
41 FairPlay Streaming Request Flow 9 Now the device can decrypt and play the content 9 Your App 5 5 Your Key Database 6 Your Key Server Internet 7 7 AVFoundation Delegate FPS KSM Existing Provided Your Implementation AVFoundation
42 What Is Provided
43 What Is Provided AVFoundation, including API for AVAssetResourceLoader delegate
44 What Is Provided AVFoundation, including API for AVAssetResourceLoader delegate FairPlay Streaming SDK
45 What Is Provided AVFoundation, including API for AVAssetResourceLoader delegate FairPlay Streaming SDK Protocol specification
46 What Is Provided AVFoundation, including API for AVAssetResourceLoader delegate FairPlay Streaming SDK Protocol specification Server reference implementation
47 What Is Provided AVFoundation, including API for AVAssetResourceLoader delegate FairPlay Streaming SDK Protocol specification Server reference implementation Server test vectors and validation tools
48 What Is Provided AVFoundation, including API for AVAssetResourceLoader delegate FairPlay Streaming SDK Protocol specification Server reference implementation Server test vectors and validation tools Example content
49 What Is Provided AVFoundation, including API for AVAssetResourceLoader delegate FairPlay Streaming SDK Protocol specification Server reference implementation Server test vectors and validation tools Example content Client example code
50 Integrating FPS Into Your Key Server Your Key Server must: Decrypt and validate SPC request Lookup CK by the asset identifier Produce CKC response
51 Integrating FPS Into Your Key Server Your Key Server must: KSM: Decrypt and validate SPC request Lookup CK by the asset identifier Produce CKC response
52 Integrating FPS Into Your Key Server Your Key Server must: KSM: Decrypt and validate SPC request Lookup CK by the asset identifier KSM: Produce CKC response
53 Integrating FPS Into Your Key Server Your Key Server must: KSM: Decrypt and validate SPC request Lookup CK by the asset identifier KSM: Produce CKC response Implement KSM logic from scratch using protocol specification, or
54 Integrating FPS Into Your Key Server Your Key Server must: KSM: Decrypt and validate SPC request Lookup CK by the asset identifier KSM: Produce CKC response Implement KSM logic from scratch using protocol specification, or Customize the C reference implementation in the SDK (language, integration)
55 Testing Your Key Security Module
56 Testing Your Key Security Module Supplied test vectors should be used to validate correctness of responses produced
57 Testing Your Key Security Module Supplied test vectors should be used to validate correctness of responses produced Your KSM implementation will consume test SPC request and produce response
58 Testing Your Key Security Module Supplied test vectors should be used to validate correctness of responses produced Your KSM implementation will consume test SPC request and produce response Supplied tool will validate your produced CKC response
59 Testing Your Key Security Module Supplied test vectors should be used to validate correctness of responses produced Your KSM implementation will consume test SPC request and produce response Supplied tool will validate your produced CKC response Test vectors are based on non-functional development credentials
60 Testing Your Key Security Module Supplied test vectors should be used to validate correctness of responses produced Your KSM implementation will consume test SPC request and produce response Supplied tool will validate your produced CKC response Test vectors are based on non-functional development credentials End-to-end playback test on device requires production credentials!
61 Integrating FPS Into Your App Register an AVAssetResourceLoader delegate with AVAsset
62 Integrating FPS Into Your App Register an AVAssetResourceLoader delegate with AVAsset AVAssetResourceLoader delegate must:
63 Integrating FPS Into Your App Register an AVAssetResourceLoader delegate with AVAsset AVAssetResourceLoader delegate must: Generate the SPC - handle shouldwaitforloadingofrequestedresource: for key requests - call -[AVAssetResourceLoadingRequest streamingcontentkeyrequestdataforapp: contentidentifier: options: error: ] to produce SPC
64 Integrating FPS Into Your App Register an AVAssetResourceLoader delegate with AVAsset AVAssetResourceLoader delegate must: Generate the SPC - handle shouldwaitforloadingofrequestedresource: for key requests - call -[AVAssetResourceLoadingRequest streamingcontentkeyrequestdataforapp: contentidentifier: options: error: ] to produce SPC Send SPC request to your Key Server
65 Integrating FPS Into Your App Register an AVAssetResourceLoader delegate with AVAsset AVAssetResourceLoader delegate must: Generate the SPC - handle shouldwaitforloadingofrequestedresource: for key requests - call -[AVAssetResourceLoadingRequest streamingcontentkeyrequestdataforapp: contentidentifier: options: error: ] to produce SPC Send SPC request to your Key Server Provide CKC response (or error) to AVAssetResourceLoadingRequest
66 Encrypting and Testing Your Content
67 Encrypting and Testing Your Content Encrypt your content with HLS Sample Encryption
68 Encrypting and Testing Your Content Encrypt your content with HLS Sample Encryption METHOD=SAMPLE-AES
69 Encrypting and Testing Your Content Encrypt your content with HLS Sample Encryption METHOD=SAMPLE-AES KEYFORMAT= com.apple.streamingkeydelivery
70 Encrypting and Testing Your Content Encrypt your content with HLS Sample Encryption METHOD=SAMPLE-AES KEYFORMAT= com.apple.streamingkeydelivery Many 3rd-party encoders support HLS sample encryption
71 Encrypting and Testing Your Content Encrypt your content with HLS Sample Encryption METHOD=SAMPLE-AES KEYFORMAT= com.apple.streamingkeydelivery Many 3rd-party encoders support HLS sample encryption To check your encryption workflow
72 Encrypting and Testing Your Content Encrypt your content with HLS Sample Encryption METHOD=SAMPLE-AES KEYFORMAT= com.apple.streamingkeydelivery Many 3rd-party encoders support HLS sample encryption To check your encryption workflow SDK contains an example of sample-encrypted content for comparison
73 Encrypting and Testing Your Content Encrypt your content with HLS Sample Encryption METHOD=SAMPLE-AES KEYFORMAT= com.apple.streamingkeydelivery Many 3rd-party encoders support HLS sample encryption To check your encryption workflow SDK contains an example of sample-encrypted content for comparison HLS mediafilesegmenter can produce encrypted content for comparison
74 FairPlay Streaming with AirPlay
75 FairPlay Streaming with AirPlay
76 FairPlay Streaming with AirPlay AirPlay Video will transfer streaming operation to Apple TV
77 FairPlay Streaming with AirPlay AirPlay Video will transfer streaming operation to Apple TV No additional code needs to be written!
78 FairPlay Streaming with AirPlay AirPlay Video will transfer streaming operation to Apple TV No additional code needs to be written! SPC request is generated by FPS on Apple TV and CKC response is for Apple TV
79 FairPlay Streaming with AirPlay AirPlay Video will transfer streaming operation to Apple TV No additional code needs to be written! SPC request is generated by FPS on Apple TV and CKC response is for Apple TV Your app on the sending device relays messages between Apple TV and your key server
80 FairPlay Streaming with AirPlay AirPlay Video will transfer streaming operation to Apple TV No additional code needs to be written! SPC request is generated by FPS on Apple TV and CKC response is for Apple TV Your app on the sending device relays messages between Apple TV and your key server Provides the same level of security as local playback
81 FairPlay Streaming with AirPlay AirPlay Video will transfer streaming operation to Apple TV No additional code needs to be written! SPC request is generated by FPS on Apple TV and CKC response is for Apple TV Your app on the sending device relays messages between Apple TV and your key server Provides the same level of security as local playback FPS content is disabled by AirPlay Mirroring, not rendered in screenshots or recordings
82 FairPlay Streaming in Safari on OS X
83 FairPlay Streaming in Safari on OS X
84 FairPlay Streaming in Safari on OS X FairPlay Streaming accessed through HTML5 Encrypted Media Extensions
85 FairPlay Streaming in Safari on OS X FairPlay Streaming accessed through HTML5 Encrypted Media Extensions Key delivery code must be written in JavaScript
86 FairPlay Streaming in Safari on OS X FairPlay Streaming accessed through HTML5 Encrypted Media Extensions Key delivery code must be written in JavaScript Example provided with FPS SDK
87 FairPlay Streaming in Safari on OS X FairPlay Streaming accessed through HTML5 Encrypted Media Extensions Key delivery code must be written in JavaScript Example provided with FPS SDK Same KSM can support both ios clients and Safari on OS X
88 FairPlay Streaming in Safari on OS X FairPlay Streaming accessed through HTML5 Encrypted Media Extensions Key delivery code must be written in JavaScript Example provided with FPS SDK Same KSM can support both ios clients and Safari on OS X Supports AirPlay
89 Integrating FPS Into Your Web Page
90 Integrating FPS Into Your Web Page Set m3u8 URL as src attribute of HTML <video> tag (as usual)
91 Integrating FPS Into Your Web Page Set m3u8 URL as src attribute of HTML <video> tag (as usual) Add EventListener for webkitneedkey to video element:
92 Integrating FPS Into Your Web Page Set m3u8 URL as src attribute of HTML <video> tag (as usual) Add EventListener for webkitneedkey to video element: Set EME CDM keysystem (video.webkitsetmediakeys) to com.apple.fps.1_0
93 Integrating FPS Into Your Web Page Set m3u8 URL as src attribute of HTML <video> tag (as usual) Add EventListener for webkitneedkey to video element: Set EME CDM keysystem (video.webkitsetmediakeys) to com.apple.fps.1_0 Create keysession on video/mp4 to relay messages with the keysystem
94 Integrating FPS Into Your Web Page Set m3u8 URL as src attribute of HTML <video> tag (as usual) Add EventListener for webkitneedkey to video element: Set EME CDM keysystem (video.webkitsetmediakeys) to com.apple.fps.1_0 Create keysession on video/mp4 to relay messages with the keysystem Add Event handler for webkitkeymessage to keysession:
95 Integrating FPS Into Your Web Page Set m3u8 URL as src attribute of HTML <video> tag (as usual) Add EventListener for webkitneedkey to video element: Set EME CDM keysystem (video.webkitsetmediakeys) to com.apple.fps.1_0 Create keysession on video/mp4 to relay messages with the keysystem Add Event handler for webkitkeymessage to keysession: Send SPC request to your Key Server
96 Integrating FPS Into Your Web Page Set m3u8 URL as src attribute of HTML <video> tag (as usual) Add EventListener for webkitneedkey to video element: Set EME CDM keysystem (video.webkitsetmediakeys) to com.apple.fps.1_0 Create keysession on video/mp4 to relay messages with the keysystem Add Event handler for webkitkeymessage to keysession: Send SPC request to your Key Server Provide CKC response to keysession.update()
97 Safari Request Flow Safari Your Key Database Your Key Server Internet Your Site Your JS FPS KSM Existing Provided Your Implementation EME
98 Safari Request Flow 1 User hits Play 1 Safari Your Key Database Your Key Server Internet Your Site Your JS FPS KSM Existing Provided Your Implementation EME
99 Safari Request Flow 2 Your Event Listener receives webkitneedkey message 1 Safari Your Key Database Your Key Server Internet Your Site Your JS FPS KSM 2 Existing Provided Your Implementation EME
100 Safari Request Flow 3 Your Event Listener creates keysession and waits for webkitkeymessage Event 1 Safari Your Key Database Your Key Server Internet Your Site Your JS FPS KSM 2 3 Existing Provided Your Implementation EME
101 Safari Request Flow 4 Your webkitkeymessage Event Handler receives message containing SPC 1 Safari Your Key Database Your Key Server Internet Your Site Your JS FPS KSM Existing Provided Your Implementation EME
102 Safari Request Flow 5 Your Event Handler sends SPC to your Key Server 1 Safari Your Key Database Your Key Server 5 Internet 5 Your Site Your JS FPS KSM Existing Provided Your Implementation EME
103 Safari Request Flow 6 You update keysession upon receipt of CKC response 1 Safari Your Key Database Your Key Server 5 6 Internet 5 6 Your Site Your JS FPS KSM Existing Provided Your Implementation EME
104 FairPlay Streaming Integration Troubleshooting
105 Troubleshooting Content Doesn t Play Content or Key?
106 Troubleshooting Content Doesn t Play Content or Key? KEYFORMAT= identity
107 Troubleshooting Content Doesn t Play Content Content or Key? Sample level encryption PAT/PMT, audio setup info Use supported codecs CK rotation on HLS segments
108 Troubleshooting Content Doesn t Play Content Content or Key? Key Delivery Sample level encryption PAT/PMT, audio setup info Use supported codecs CK rotation on HLS segments SPC generation failure Transport CK lookup CKC processing failure
109 Summary of FairPlay Streaming FairPlay Streaming provides industrial-strength content protection for HLS Built into on ios, Apple TV and Safari on OS X Deeply integrated into the OS Designed for power-efficient playback Supports platform features such as AirPlay, external output protection, and HTML5
110 More Information Documentation and Videos FairPlay Streaming Technical Support Apple Developer Forums Developer Technical Support
111 Labs HTTP Live Streaming Lab AirPlay Lab AVKit and AV Foundation Lab AVKit and AV Foundation Lab HTTP Live Streaming Lab Graphics, Games and Media Lab B Graphics, Games and Media Lab B Graphics, Games and Media Lab A Graphics, Games and Media Lab B Graphics, Games and Media Lab C Tuesday 11:00AM Tuesday 3:30PM Wednesday 1:30PM Thursday 11:00AM Thursday 11:00AM
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