erikbozic / ksm

FairPlay Key Security Module written in Go (Golang).

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ksm

Build Status Maintainability

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=AAAAAQAAAABdFkTq7BH5gxR1QeRu6yd0kmZIuYYewEcbohdYhRw92jHJOx3WAapOrUQVogdZqrmm2J9VE4WFbnNXFynfLx1G0lwT2irXXQD9NBPr2WykfQKVXFaff6tA8af7I0FBZ6ZT6r3xrSg99eB+fPSqL7rGTx1GD9+aIe6yen9gcnhTpBTBxFDFJejatqPxPPpXFxpVYZgKpR8DqgS8okVWyEGnFzbHcQAACoBtptrk7kAJF1R7uqUnuIIbnGCBkysPzzNykTT196jxaQIcBNoA6WNzWnQ6iHnSyre6cWAnds8eotHTwW3OUbKCRJzsc6COFyKA05WQBCr+WvlVT5c86/Y+COQM0G/Kd6CalMu625dF5/Wl9HAhPJPYW6URGeRRock1LtIKTNk0MoWabImFunmmAKnGJv2KrXwLH65VJRaG8ss3fmgG9GMTi9+QSJGiZEWOygyyA7dg2MWtISPRv2m6XJx7VG//0yqbxwLdYapvj8E+eYwRRKIegsB02XAtcEJE0Owy4ZI2xEHAuNaoovgFVYJlnrYWl3STeKklbU/+sJCuKqFiTllasjZ0atyld6ZbYGFfF+6cViiYjOqsbwMKNLx9D1myeamj7WWQ2NyhGFW2W9nL3LEFpr3Sz1NCaCSr2yeXSaHEFUylsgPzYjgfmHJah81dOuJGb5Mln7gihxQLoF7p4+5B2rUnzO4Cz2Weyyq9mCgldZBgA4nfcPYRNWb6Y9ZS1m6vwuw5FBAtpCez28JbFnpFGQNKNG5onqgOvKVxMixUvuNEhHpD8N8Sf54waPzwVB9OjrMR+z1T3SHO+xki/izHMWKezU1wkbnmmad+7hrJALnJ3vW7JxkfbTVre5wgTZeM2pxPjqziRwoHy9MGzCBADXJdPINLZHO+llgDVEPzxm4xL0ErHuctcRxtGhMjDFkNrGG9xBIqMYPtT8g5JT3fkofQDYmWRbcHG+1FsD4SJtDAcZaxWHWnULQhtaHyvrLSQlgRvA4p0LKzLasz8sDrCjZdEBBPOixC23Gp28SbfdGkXTCAxaN3GUbkmEMOdjxiJ09YEPhagU/opVVGRVIkDdPqzfRSed7hOMmHmPCtMEWXyXyzNI/xp5dfXMKDPIe7HjymAIivRibdeboIVEprPMpdpcM5Xb7HHWjPicxlmNKtET8Yq/QXWSdnXLKygrFFtRgqAj4I5DAYg95lobqSQTlwZmZr2jcfe1yU3sl2klh9QGGacqr7JpttaNNHISUl3/QFiHrkQxtkNtkfIwDm38yTJYPF2i3m2FbJ1G1o60TP0jLRHR4Pu2BdNn5IA6nniDmZvVzLFfHWQK4ICfKgB/kN37tMf+W9xOuQG91RuSFCty0SV5SXpU3k6eF5zIn7+QQhQQeJT6GuxZTr8UFmxBBeOncUKaC0GRlY6h1kUyxblquAmvHPMh++X+q4ZL52EWRs4XyWAamx9k0hLPq9xJ2I4FTQ5oJsDXQwJyioa9EtTtldnmyoqVfUFfmHanx/YCtpwueLDInpD7gNHs5JA8vypJdQ+HXET+6PpdqU37PBH0lsyA14LIwURH0XF39gK7ICFFM6iS1XF8Ax6l1rqiu9gL8xfSUOtgCqQYOtuiLQK32Jt8FQXuoPphNl59J3nXXsOdL8ECMyWTkswhAE3mE152poEAIg/8LthcSMVcrapY1AOUU6UGw/fVnIOoKbrr+FvSAangWKYhVwTUbUZZJK+lmlK30bn5tT+zbIX+U91YMzsPtzhK5iHZtNN8EKAlQCj++qgEeVw9BD5//92hs0V4FrKZv40qHqwlT/w6R7v9Czujf2TfHC/3vuthWayBkvodJv2rJY52smRFSshTJG0v4yfi3hS4pBqpb7xggb7OibK1lAv55W0Iwod/ZZJVFXEYBQU2zsPGhdZdzlP+PbLXmOT2pnY6F86M8iXLdiRWAgU6LhK6srMuCzL/42+oJkt4DXnVV5xT819DbTEVbV167zUwene9jytruahxFti4MFZ6qC12Od04t8ActtdjPXx6yec1jNarZ1aKyhympQnrzdgP5fmTPV44oqQZaPHpWv1UlT7+RSEBGwENUioETw5fI4jf4+omU3uLu5VNPbxxLAWVk3CsEUl9Pl8WyWbyaqyrurBRQozWCL76pA3flZzqHJlbyIxotnTDd3JN4n7jEpoWClCZpgrWfDkz7ZdHqtgd8TWu1DmJgM1a12JqqBKQpRSrYFG5lW0MxCJ/BIb4/T6Ek9/niTjptg9frad7ek1uCr5izSXxCtM6PNPXnh5Q3N+H/+AfflPQAzXzhQQz41IRgBKS+bVO8ICUcyvBtpfasTZGzxKNi2FUVhWap9ygn3giAd8RLwc8xR4J6oyOb/7RpKBvhGwFlYEKd9+SQM6yl9EhWiiFD10cSPErfLhzlsWk6mnu6z25dmUjSlUbRu+lpVRROx09qZxctYSyUE79iftCmQge74awtm39Fp3t0XyBmgfFg7deQMfT/lp/BgXtAbESZrhEJM1D1u1q5qg03IJX+mFUqbYHC4RjZ3rq8l1SOEIy3FvOtRHNUJhGugo7mcQY4navyW9sp/skKh0vKdmIkveIPiQJ0a946ACQ0Gm8022fjENV3JNFO6rHLyuUv1/AgVMskZ3vUf7YzManapIET5bb0CbZ0KDfUIq8hmmSfEG1wv05+MvVNXtORsnF4efPVBbPsQyE1HsqiENLJl6/C3nDdPXm2XPe2Ih2Ty/sQZGd3wfpkQp39g409aZ1PGRKvtudxaI8y2OYL1VFfhr2ER+YtQP0dtAIowOgj5LXRRK9TdkTzmf2uk3H5vAF5+JjAW+uGUB/JLf3tWE3Hz+ldMu7eLaakkaIv1J8JDOlKEcwMnLCfTi/MNyMlz9pBlbZ+LmB7PlMH9NGmkHbZ/AsKqDPbDl6iKBOeGHOpg0HUZqdc3UeN0OzzW1VayYDF8NTPqMStODt2kudUhlf8M0mJ0PDGmwlgjfoa6A7wUYihd97wkAUONjZEijcSfBgqsivR2ieIPQELHakbAGBtv9pkBEe2nWcijwnbQAAJlPrxIP/E85HF02Ue67fWTmV7JG2+FffnTN235y7B2LLjHxwDqNJKS80aULernfHWwm3PIi8y4Fx7jjyXk2Fhw7Iffuu5bAZquCIx0TAeBu8ijp6sa9FXWhQVqQ1kJd//JgDyji3lBUJChEZg25DYFj+X66bIqlE6murY9gPLcxK2fAsBCDV/F95wqUoRKXskgaIqOsorhtJnckAP4vbeoWhg5jiXkWGkmz5QPttbyOgqdJg/Upb8Qfh8FBBwKvT4Z3/eNMSbzB8AA+rVz60oTona4BrsIVpyu2n76t+N7nSdRErPGNDkCNsfgec1tImYRtdkjxWaJTJCnnpjIZdgGSEjL57ddlVF6iTSCUPMJSdw0PRwSJMPDNhJQwElmOTtyWqFE8/mQkdvn3Wf2D300R7Xfs8kzIzUAsxrsI1A6P1UuLVmXEUy7LP9CRa0fPDbvkehZnUM4aT8KuoxTD7DvRBINq8sroGBjXkA03mNz1pdjvw2Az8raf/J+8xLUlnjMiq6xpguX2rvrnsiq4/Uf3bAt8VjQm64Hc5/empmlWUCvLUdbzk/X1hV7kmAoXE2JLt0NGwSGeknlX6Q/tugb7TWOJNIBOTsUrpXr+8WsEC+ikV9LmZ9kKRShJLkd07uGQzW2Qxb3qR71FVhwE+pNx73Q2+6A79aoAfpD7E0HmT8ig7Cau2wW8bNSOic7fIPct+vbG5OBq/CSEmqhkur3mEiXyR6mdCuLRtW+FszkgEEO7AJY2530mpY=

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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"
}

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

About

FairPlay Key Security Module written in Go (Golang).

License:MIT License


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