Decoding AirPlay Mirroring Protocol

2019-03-10 02:34发布

I want my app to mirror the display of my iPad 2 to my Mac.

I have published the _airplay._tcp service and am listening on the port 7100. The app shows in the AirPlay menu and the Mirroring option is also there. Video and audio streaming work perfectly.

But I don't know how to decode the FairPlay encryption (POST /fp-setup) to support AirPlay mirroring. I have taken reference from http://www.aorensoftware.com/blog/2011/08/20/exploring-airplay-mirroring-internals/. If anyone has any idea on how to do that, please tell me.

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狗以群分
2楼-- · 2019-03-10 02:59

They are using AES encryption, -- partially right. But very long code in fp-setup handshaking,(First FP-SETUP, Second FP-SETUP, fpaeskey encryption) and also the real decryption part is Apple's customized module.

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爱情/是我丢掉的垃圾
3楼-- · 2019-03-10 03:09

Check out AirServer -> they've already done this and it works flawlessly (almost)..

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