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dabulls312
Visitor

M3U8 + AES Encryption Key

I'm trying to play an m3u8 file that is encrypted. The m3u8 has an AES key file that is used to decrypt the stream.

How would I go about applying that AES key file into the following code in order to have the file decrypted for Roku to play it? NOTE: This code was initially created for an m3u8 file that was not encrypted. I basically need to understand what line(s) to add in order for the decryption to take place.

Sub RunUserInterface()
screenFacade = CreateObject("roPosterScreen")
screenFacade.show()

port = CreateObject("roMessagePort")
videoScreen = CreateObject("roVideoScreen")
videoScreen.setMessagePort(port)
videoScreen.SetPositionNotificationPeriod(10)

videoclip = {}
videoclip.StreamUrls = ["URL.m3u8"]
videoclip.StreamFormat = "hls"
videoclip.ContentType = "movie"
videoclip.title = "MOVIE"
videoclip.StreamBitrates = [0]
videoclip.playstart = 0
videoclip.StreamQualities = ["SD"]
videoclip.SwitchingStrategy = "full-adaptation"
videoScreen.SetContent(videoclip)

videoScreen.show()
nowpos = 0
while true
msg = wait(0, port)
if type(msg) = "roVideoScreenEvent"
if msg.isScreenClosed() then 'ScreenClosed event'
print "Closing video screen"
exit while
else if msg.isPlaybackPosition() then
nowpos = msg.GetIndex()
print nowpos
else if msg.isRequestFailed()
print "play failed: "; msg.GetMessage()
else if msg.isFullResult()
print "isFullResult"
else if msg.isPartialResult()
print "isPartialResult, nowpos = ";nowpos
else if msg.isStreamStarted()
print "isStreamStarted"
else
print "Unknown event: "; msg.GetType(); " msg: "; msg.GetMessage()
end if
else
print "Event: ";type(msg)
print msg.GetInfo()
end if
end while

print "Exiting app"
screenFacade.showMessage("")
sleep(25)
End Sub
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7 REPLIES 7
dabulls312
Visitor

Re: M3U8 + AES Encryption Key

Anyone?
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kc8pql
Visitor

Re: M3U8 + AES Encryption Key

It's the weekend...More devs are around workdays.
____________________________________________________________________________________________________________
No, I don't work for Roku.
Netflix Player N1000X, XDS 2100X (premature death by lightning)
Roku2 XD 3050X, Roku2 XS 3100R, Roku2 4210R
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RokuChris
Roku Employee
Roku Employee

Re: M3U8 + AES Encryption Key

Assuming you've implemented the encryption according to the HLS spec using the #EXT-X-KEY tag, you don't necessarily have to do anything in BrightScript to make it work. The firmware will handle it automatically. You may need to add a call to SetCertificatesFile() to get any HTTPS requests working.

http://sdkdocs.roku.com/display/sdkdoc/ ... thasString)asBoolean
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dabulls312
Visitor

Re: M3U8 + AES Encryption Key

"RokuChris" wrote:
Assuming you've implemented the encryption according to the HLS spec using the #EXT-X-KEY tag, you don't necessarily have to do anything in BrightScript to make it work. The firmware will handle it automatically. You may need to add a call to SetCertificatesFile() to get any HTTPS requests working.

http://sdkdocs.roku.com/display/sdkdoc/ ... thasString)asBoolean


Can you elaborate a bit more using the sample code I posted?

Sorry, I am still at the 101 level.
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dabulls312
Visitor

Re: M3U8 + AES Encryption Key

Just following up here.

I have a .m3u8 file AND a .key file.

How do I play the .m3u8 on my Roku?
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RokuChris
Roku Employee
Roku Employee

Re: M3U8 + AES Encryption Key

You don't have to do any different in BrightScript. The key needs to be specified in your HLS manifest.

The Encoding Guide talks about this: http://sdkdocs.roku.com/display/sdkdoc/ ... Encryption
As does the HLS spec: https://tools.ietf.org/html/draft-panto ... tion-6.2.3
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chaklasiyanikun
Roku Guru

Re: M3U8 + AES Encryption Key

With AES Encryption. I have the same problem. Did you find any solution for this?

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