chromecast fails to decrypt playready content after successfully getting license

[GoogleCodeExporter]

What steps will reproduce the problem?
1. own M-GO movie or UV movie and link your UV account to your M-GO account
2. use M-GO android application and connect to your chromecast, play movie
3. see playback fail due to failure to decrypt content with play ready license

What is the expected output? What do you see instead?
movie should play

What version of the product are you using? On what operating system?
chrome cast current firmware

Please provide any additional information below.
 here are the log entries of getting license and it failing to decrypt content:  accessToken has been xxed out on purpose for this posting.

The player can load media chunks correctly but playback will eventually fail 
with the following error:

[260.350s] [cast.player.core.MediaKeySession] keyerror

[260.357s] [cast.player.api.Host] error: cast.player.api.ErrorCode.MEDIAKEYS

It appears that the request to the license server successful, but of course 
playback fails.

I captured the request body and response from the license server, I hope it is 
helpful:

Request:

<?xml version="1.0" encoding="utf-8"?><soap:Envelope 
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
xmlns:xsd="http://www.w3.org/2001/XMLSchema" 
xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/"><soap:Body><AcquireLicens
e 
xmlns="http://schemas.microsoft.com/DRM/2007/03/protocols"><challenge><Challenge
 xmlns="http://schemas.microsoft.com/DRM/2007/03/protocols/messages"><LA 
xmlns="http://schemas.microsoft.com/DRM/2007/03/protocols" Id="SignedData" 
xml:space="preserve"><Version>1</Version><ContentHeader><WRMHEADER 
xmlns="http://schemas.microsoft.com/DRM/2007/03/PlayReadyHeader" 
version="4.0.0.0"><DATA><PROTECTINFO><KEYLEN>16</KEYLEN><ALGID>AESCTR</ALGID></P
ROTECTINFO><KID>JBP/OUM2C0ez2oj6/yHiIA==</KID><CHECKSUM>r/MzpJqDGJk=</CHECKSUM><
LA_URL>https://www.mgo.com/license/smoothstreaming</LA_URL><CUSTOMATTRIBUTES><II
S_DRM_VERSION>7.1.1565.4</IIS_DRM_VERSION></CUSTOMATTRIBUTES></DATA></WRMHEADER>
</ContentHeader><CLIENTINFO><CLIENTVERSION>2.5.0.1788</CLIENTVERSION></CLIENTINF
O><RevocationLists><RevListInfo><ListID>ioydTlK2p0WXkWklprR5Hw==</ListID><Versio
n>10</Version></RevListInfo><RevListInfo><ListID>gC4IKKPHsUCCVhnlttibJw==</ListI
D><Version>11</Version></RevListInfo><RevListInfo><ListID>BOZ1zT1UnEqfCf5tJOi/kA
==</ListID><Version>12</Version></RevListInfo><RevListInfo><ListID>Ef/RUojT3U6Ct
2jqTCChbA==</ListID><Version>26</Version></RevListInfo></RevocationLists><Custom
Data>contentID=MMVF4795D2C06F1315D043FB7E4DB93A2558 
accessToken=6fcc88fc1edc47b7aXXXXX definition=HD 
delivery=STREAM</CustomData><LicenseNonce>lj7dFPgaPZd1tuXKOfUOAA==</LicenseNonce
><EncryptedData xmlns="http://www.w3.org/2001/04/xmlenc#" 
Type="http://www.w3.org/2001/04/xmlenc#Element"><EncryptionMethod 
Algorithm="http://www.w3.org/2001/04/xmlenc#aes128-cbc"></EncryptionMethod><KeyI
nfo xmlns="http://www.w3.org/2000/09/xmldsig#"><EncryptedKey 
xmlns="http://www.w3.org/2001/04/xmlenc#"><EncryptionMethod 
Algorithm="http://schemas.microsoft.com/DRM/2007/03/protocols#ecc256"></Encrypti
onMethod><KeyInfo 
xmlns="http://www.w3.org/2000/09/xmldsig#"><KeyName>WMRMServer</KeyName></KeyInf
o><CipherData><CipherValue>TrI33EPlN0od88NhZgBAhWMG85DUb1PV4x7pBZDmwl0/vFIvl1Cck
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1w2H+1QqEJXcFUt/VbbO1d4iAUsvkDz2pBGyOQ=</CipherValue></CipherData></EncryptedKey
></KeyInfo><CipherData><CipherValue>rcN5+sUBEl1p32JE+xaQ9Qbc4LxoZcu5umSI2hTTjzfq
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kUNaikZNBN4dJdkbuAeF</CipherValue></CipherData></EncryptedData></LA><Signature 
xmlns="http://www.w3.org/2000/09/xmldsig#"><SignedInfo 
xmlns="http://www.w3.org/2000/09/xmldsig#"><CanonicalizationMethod 
Algorithm="http://www.w3.org/TR/2001/REC-xml-c14n-20010315"></CanonicalizationMe
thod><SignatureMethod 
Algorithm="http://schemas.microsoft.com/DRM/2007/03/protocols#ecdsa-sha256"></Si
gnatureMethod><Reference URI="#SignedData"><DigestMethod 
Algorithm="http://schemas.microsoft.com/DRM/2007/03/protocols#sha256"></DigestMe
thod><DigestValue>jPaB+wZcRU8fQWJUrkd+wFqYFIwsx3DKYtamrThFwsY=</DigestValue></Re
ference></SignedInfo><SignatureValue>r8cshogs8x+4dxxTRuHeQ+pMgF8VnbSPXaEHf2la7dm
lpDN3sCZXP7dHHh9CwzyMxpgPcALdsH4Bkd8TGJAgPg==</SignatureValue><KeyInfo 
xmlns="http://www.w3.org/2000/09/xmldsig#"><KeyValue><ECCKeyValue><PublicKey>TtP
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hxA==</PublicKey></ECCKeyValue></KeyValue></KeyInfo></Signature></Challenge></ch
allenge></AcquireLicense></soap:Body></soap:Envelope>

Response

<?xml version="1.0" encoding="utf-8"?><soap:Envelope 
xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/" 
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
xmlns:xsd="http://www.w3.org/2001/XMLSchema"><soap:Body><AcquireLicenseResponse 
xmlns="http://schemas.microsoft.com/DRM/2007/03/protocols"><AcquireLicenseResult
><Response 
xmlns="http://schemas.microsoft.com/DRM/2007/03/protocols/messages"><LicenseResp
onse xmlns="http://schemas.microsoft.com/DRM/2007/03/protocols" 
Id="SignedData"><Version>1</Version><Licenses><License>WE1SAAAAAANemQuPnpyxSb7H2
LeUtZAEAAMAAQAAAQYAAgAEAAAAKAACADYAAAAgAAAAOQAAABjYJ2Z4psK+RI+ICK4lWwGnAAMAAgAAA
FAAAQAwAAAADAAnjQAAAQASAAAAEAAAAABWRueTAAAAEwAAAAxWH0yDAAEAMgAAAAwAAAANAAEANAAAA
AoAlgAAADMAAAAKAAIAAwAJAAAAagABAAoAAAA+JBP/OUM2C0ez2oj6/yHiIAABAAIAIOqvPAGXtfLeU
SxBmu+KByD4EsoZIqgOAZVBp1D2J/37AAEAOwAAACRY2yKlkaUySK+xPuVpT4bhAAEACN66PyhKqsADA
AEACwAAABwAAQAQCuwAmIUq3SzDNYXLohjgOQ==</License><License>WE1SAAAAAANiLMjQyK46TK
MHDacmwe1kAAMAAQAAAVIAAgAEAAAACAADAAIAAAA0AAAAEwAAAAxWH0yDAAEAMgAAAAwAAAANAAEANA
AAAAoAlgAAADMAAAAKAAEAAwAJAAAA8gABAAoAAACeWNsipZGlMkivsT7laU+G4QADAAMAgPplKMUHqD
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EeAAAAKgAAAEwAAQBA6ElP+O0yql/pzK2FcY4FCgjezNt5RWQpYlcjG+rG4Dhce+tg4KzqSeUfcXEhSY
Jzb9A2qubrdKo3vDQw5oDpkAABAAsAAAAcAAEAEJNf/rRYpEdcq8N1Ee8i9JQ=</License></Licens
es><CustomData>contentID=MMVF4795D2C06F1315D043FB7E4DB93A2558 
accessToken=6fcc88fc1edc47b7afe4ff6c4ebe86ed definition=HD 
delivery=STREAM</CustomData><LicenseNonce>lj7dFPgaPZd1tuXKOfUOAA==</LicenseNonce
><ResponseID>CRYFqe6V4tpm6IKfFgFIWNmY4WiU7NBrX269iSRsZJI=</ResponseID><SigningCe
rtificateChain>Q0hBSQAAAAEAAAOQAAAAAAAAAAJDRVJUAAAAAQAAAcwAAAE8AAEAAQAAAFg4fKUXR
sBZfyOKLWGnjERZAAAAAAAAAAAAAAALBUFfyjqkPgZM+1X00HK9sJZqAxITC69QC+cZa+j0jx5W1NuAA
AAAAAAAAAAAAAAAAAAAAAABAA8AAAAMAAAALQABAAUAAAAQAAAAAQAAAAwAAQAGAAAAYAAAAAEAAQIAA
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pDVyilG8fZKLvufXc/+fkNOtEKT+sWr</SigningCertificateChain></LicenseResponse><Sign
ature xmlns="http://www.w3.org/2000/09/xmldsig#"><SignedInfo 
xmlns="http://www.w3.org/2000/09/xmldsig#"><CanonicalizationMethod 
Algorithm="http://www.w3.org/TR/2001/REC-xml-c14n-20010315"></CanonicalizationMe
thod><SignatureMethod 
Algorithm="http://schemas.microsoft.com/DRM/2007/03/protocols#ecdsa-sha256"></Si
gnatureMethod><Reference URI="#SignedData"><DigestMethod 
Algorithm="http://schemas.microsoft.com/DRM/2007/03/protocols#sha256"></DigestMe
thod><DigestValue>u25x0G/Yo/x+xyB/x1Co1T874yCj2UAxLPJUp5sqYcg=</DigestValue></Re
ference></SignedInfo><SignatureValue>ep95wj7oYytX3bYfmNvQSQuyEE7FmKGS/O/zKsjQm+5
szSS6H+WARhWjSL3PPImb7CCW4ZEfwUkngmgWQwfkjA==</SignatureValue></Signature></Resp
onse></AcquireLicenseResult></AcquireLicenseResponse></soap:Body></soap:Envelope
>

Original issue reported on code.google.com by lee.shar...@mgo.com on 16 Oct 2015 at 6:58

[GoogleCodeExporter]

When did you start seeing this issue? Can you provide any videos for which 
you're seeing this behavior?

Original comment by jonathan...@google.com on 16 Oct 2015 at 8:59

• Changed state: NeedInfo

[GoogleCodeExporter]

well it was also reported 
here:https://code.google.com/p/google-cast-sdk/issues/detail?id=669

1. Setup the CastMediaPlayerStreamingDRM example receiver and sender.
2. Enter the following media URL: 
http://playready.directtaps.net/smoothstreaming/SSWSS720H264PR/SuperSpeedway_720
.ism/Manifest
3. Click on "Load Media"

Or 

1. create an account on mgo.com
2. find free tv episode for Crazy Ex girlfriend
3. get it.
4. connect to chromecast
5. play episode.

Original comment by lee.shar...@mgo.com on 20 Oct 2015 at 6:47

[GoogleCodeExporter]

So are you seeing the issue on Chromecast firmware version 44433 and previously 
saw that it worked on 38401, as mentioned in 669?

Original comment by jonathan...@google.com on 20 Oct 2015 at 5:59

[GoogleCodeExporter]

[deleted comment]

[GoogleCodeExporter]

^ yes, firmware 44433 is where we are seeing the issue, and 38401 it was 
working fine.

Original comment by hans....@mgo.com on 20 Oct 2015 at 9:56

[GoogleCodeExporter]

Issue 669 has been merged into this issue.

Original comment by jonathan...@google.com on 26 Oct 2015 at 7:08

[GoogleCodeExporter]

Original comment by jonathan...@google.com on 26 Oct 2015 at 7:11

• Changed state: Accepted

[GoogleCodeExporter]

We would like to increase the priority to "high".
Can you recommend some kind of workaround until Google resolves the issue? Is 
there a way of reverting back to a previous firmware version?

Original comment by devdev0...@gmail.com on 28 Oct 2015 at 8:49

[GoogleCodeExporter]

Unfortunately, you won't be able to revert to a previous firmware version. A 
ticket for this was filed internally but I can't say when it will be resolved.

Original comment by jonathan...@google.com on 29 Oct 2015 at 6:31