Apple FairPlay Streaming (FPS) securely delivers keys to Apple mobile devices, Apple TV, and Safari on OS X, which will enable playback of encrypted video content.
Download and install it:
go get github.com/cooomma/fairplay-ksm
Perform verification utility verify_ckc
to test KSM implementation.
testdata/verify_ckc -s testdata/FPS/spc1.bin -c testdata/FPS/ckc1.bin
Our example/basic.go router has to accepted SPC parameter that is base64 encoding. And testdata/spc1.bin is binary file, so you have to encode to base64 string.
After run as local server, you can test sample POST request using httpie tool(spc is spc1.bin base64 encoding):
http POST http://localhost:8080/fps/rest/getLicense spc=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
Will response:
HTTP/1.1 200 OK
Content-Length: 902
Content-Type: application/json; charset=utf-8
Date: Thu, 08 Mar 2018 05:51:02 GMT
{
"ckc": "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"
}
https://developer.apple.com/library/archive/technotes/tn2454/_index.html