ksm
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.
This project is FairPlay Streaming Key Security Module written in Go (Golang) with forked from easonlin404/ksm.
Usage
Start using it
Download and install it:
$ go get github.com/Cooomma/ksm-golang
Verify ckc
Perform verification utility verify_ckc
to test KSM implementation.
testdata/verify_ckc -s testdata/FPS/spc1.bin -c testdata/FPS/ckc1.bin
FAQ
How to send sample SPC data?
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": "AAAAAQAAAAAqQk6qsqGlLq37TNsWDOnKAAACgKtZF0mIK6FPslvHP3oQdTZgepM5j4nnI/d//Rj+T4eTBfmKA4aVPwUr4bOozAhPvpL9QhXKIsGo9sEmtz0j0okdbnTTWCYAfLTHGwYviWMsR0J/vFtlFnxJF2yyLhDN6wu4/Be8Q7+B2duXsW7k5r6TF/gaKYbgTChM/3b+znqizRy06gNJr4d5HUKfXZ9FAmBtcsTUGbdMWjvKYJV8zPiYoayTkarXN6bDGMY2ToDyWBXIethDf4kBgdpOcR+qvXLntbI9daaEbb2XEU/nw4v6Dks6/sMMizb0rtY3fA4dCxEYeVxlAOLlLGLxswtRkZmNj1YQD/2HUGmuLBo7Q+17MGvRP06d+LG3YaDWbLeRPH5CVCwaxvmj1mFSLvMZffLgPSYZUp9fXaEeUnh8aD/mvaaFJavLmB7+uk+YggX+9F1HtjpFpjelvX5InP2L3mSYOl/eNdjzJbFw7l9BnR5KWL1wWiOmJHEWBw3Y+Tx5bLs/1QMasyTG+wAGxiXN+XyQW8frVO7e1xeBnuJplSEx+DK4Z9ZtveQG2l56OMsyw3KxUPTjCzHF5n1z6CzCSw5R57gA23mQ3nScPkDCbzQyaquZfCO80f6JW9hMGVEIFPnZVtUR1IemNKXK3fx+fZ9GdIN0EaNCp9fzB5GDC2dxrs9zhux3SvR5nKbSqHCX2b0S2S7Vn0LWZ7U4MtXMB2R8rsza03JEswAZ7iGKgl1J5L7TaADKz5cZvBkTR5P6QgHiesoZ9HMxQHtCyU4pjjGlFU081UKmsxefuuddPjwK93M/Xhf4wjOjcSSG5a1+Gg9FTi4tETdnMXVl/PuWjX1WFYCIJ1ZyKc2gZD2iEbw="
}
How to verifying Key Security Module (KSM) Implementation?
https://developer.apple.com/library/archive/technotes/tn2454/_index.html#//apple_ref/doc/uid/DTS40017630-CH1-VERIFYING_KEY_SECURITY_MODULE__KSM__IMPLEMENTATION
How to Debugging FairPlay Streaming?
https://developer.apple.com/library/archive/technotes/tn2454/_index.html