2017-01-25 04:09:00 +00:00
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< li class = "navelem" > < a class = "el" href = "../../dir_39dc0668bd5a501998f94e8b4e546c71.html" > media< / a > < / li > < li class = "navelem" > < a class = "el" href = "../../dir_c6ada2450b25ab5438a4dba6c9b890af.html" > base< / a > < / li > < / ul >
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< div class = "title" > playready_key_source.cc< / div > < / div >
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< div class = "contents" >
< div class = "fragment" > < div class = "line" > < a name = "l00001" > < / a > < span class = "lineno" > 1< / span >   < span class = "comment" > // Copyright 2017 Google Inc. All rights reserved.< / span > < / div >
< div class = "line" > < a name = "l00002" > < / a > < span class = "lineno" > 2< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a name = "l00003" > < / a > < span class = "lineno" > 3< / span >   < span class = "comment" > // Use of this source code is governed by a BSD-style< / span > < / div >
< div class = "line" > < a name = "l00004" > < / a > < span class = "lineno" > 4< / span >   < span class = "comment" > // license that can be found in the LICENSE file or at< / span > < / div >
< div class = "line" > < a name = "l00005" > < / a > < span class = "lineno" > 5< / span >   < span class = "comment" > // https://developers.google.com/open-source/licenses/bsd< / span > < / div >
< div class = "line" > < a name = "l00006" > < / a > < span class = "lineno" > 6< / span >   < / div >
< div class = "line" > < a name = "l00007" > < / a > < span class = "lineno" > 7< / span >   < span class = "preprocessor" > #include " packager/media/base/playready_key_source.h" < / span > < / div >
< div class = "line" > < a name = "l00008" > < / a > < span class = "lineno" > 8< / span >   < / div >
< div class = "line" > < a name = "l00009" > < / a > < span class = "lineno" > 9< / span >   < span class = "preprocessor" > #include < openssl/aes.h> < / span > < / div >
< div class = "line" > < a name = "l00010" > < / a > < span class = "lineno" > 10< / span >   < span class = "preprocessor" > #include < algorithm> < / span > < / div >
< div class = "line" > < a name = "l00011" > < / a > < span class = "lineno" > 11< / span >   < span class = "preprocessor" > #include " packager/base/base64.h" < / span > < / div >
< div class = "line" > < a name = "l00012" > < / a > < span class = "lineno" > 12< / span >   < span class = "preprocessor" > #include " packager/base/logging.h" < / span > < / div >
< div class = "line" > < a name = "l00013" > < / a > < span class = "lineno" > 13< / span >   < span class = "preprocessor" > #include " packager/base/strings/string_number_conversions.h" < / span > < / div >
< div class = "line" > < a name = "l00014" > < / a > < span class = "lineno" > 14< / span >   < span class = "preprocessor" > #include " packager/base/strings/string_util.h" < / span > < / div >
< div class = "line" > < a name = "l00015" > < / a > < span class = "lineno" > 15< / span >   < span class = "preprocessor" > #include " packager/media/base/buffer_writer.h" < / span > < / div >
< div class = "line" > < a name = "l00016" > < / a > < span class = "lineno" > 16< / span >   < span class = "preprocessor" > #include " packager/media/base/http_key_fetcher.h" < / span > < / div >
< div class = "line" > < a name = "l00017" > < / a > < span class = "lineno" > 17< / span >   < / div >
< div class = "line" > < a name = "l00018" > < / a > < span class = "lineno" > 18< / span >   < span class = "keyword" > namespace < / span > shaka {< / div >
< div class = "line" > < a name = "l00019" > < / a > < span class = "lineno" > 19< / span >   < span class = "keyword" > namespace < / span > media {< / div >
< div class = "line" > < a name = "l00020" > < / a > < span class = "lineno" > 20< / span >   < / div >
< div class = "line" > < a name = "l00021" > < / a > < span class = "lineno" > 21< / span >   < span class = "keyword" > namespace < / span > {< / div >
< div class = "line" > < a name = "l00022" > < / a > < span class = "lineno" > 22< / span >   < / div >
< div class = "line" > < a name = "l00023" > < / a > < span class = "lineno" > 23< / span >   < span class = "keyword" > const< / span > uint32_t kHttpFetchTimeout = 60; < span class = "comment" > // In seconds< / span > < / div >
< div class = "line" > < a name = "l00024" > < / a > < span class = "lineno" > 24< / span >   < span class = "keyword" > const< / span > std::string kPlayHeaderObject_4_1 = < span class = "stringliteral" > " < WRMHEADER " < / span > < / div >
< div class = "line" > < a name = "l00025" > < / a > < span class = "lineno" > 25< / span >   < span class = "stringliteral" > " xmlns=\" http://schemas.microsoft.com/DRM/2007/03/PlayReadyHeader\" " < / span > < / div >
< div class = "line" > < a name = "l00026" > < / a > < span class = "lineno" > 26< / span >   < span class = "stringliteral" > " version=\" 4.1.0.0\" > < DATA> < PROTECTINFO> " < / span > < / div >
< div class = "line" > < a name = "l00027" > < / a > < span class = "lineno" > 27< / span >   < span class = "stringliteral" > " < KID VALUE=\" $0\" ALGID=\" AESCTR\" CHECKSUM=\" $1\" > < /KID> < /PROTECTINFO> " < / span > < / div >
< div class = "line" > < a name = "l00028" > < / a > < span class = "lineno" > 28< / span >   < span class = "stringliteral" > " < /DATA> < /WRMHEADER> " < / span > ;< / div >
< div class = "line" > < a name = "l00029" > < / a > < span class = "lineno" > 29< / span >   < span class = "keyword" > const< / span > std::string kPlayHeaderObject_4_0 = < span class = "stringliteral" > " < WRMHEADER " < / span > < / div >
< div class = "line" > < a name = "l00030" > < / a > < span class = "lineno" > 30< / span >   < span class = "stringliteral" > " xmlns=\" http://schemas.microsoft.com/DRM/2007/03/PlayReadyHeader\" " < / span > < / div >
< div class = "line" > < a name = "l00031" > < / a > < span class = "lineno" > 31< / span >   < span class = "stringliteral" > " version=\" 4.0.0.0\" > < DATA> < PROTECTINFO> < KEYLEN> 16< /KEYLEN> " < / span > < / div >
< div class = "line" > < a name = "l00032" > < / a > < span class = "lineno" > 32< / span >   < span class = "stringliteral" > " < ALGID> AESCTR< /ALGID> < /PROTECTINFO> < KID> $0< /KID> < CHECKSUM> $1< /CHECKSUM> " < / span > < / div >
< div class = "line" > < a name = "l00033" > < / a > < span class = "lineno" > 33< / span >   < span class = "stringliteral" > " < /DATA> < /WRMHEADER> " < / span > ;< / div >
< div class = "line" > < a name = "l00034" > < / a > < span class = "lineno" > 34< / span >   < span class = "keyword" > const< / span > std::string kAcquireLicenseRequest =< / div >
< div class = "line" > < a name = "l00035" > < / a > < span class = "lineno" > 35< / span >   < span class = "stringliteral" > " < ?xml version=\" 1.0\" encoding=\" UTF-8\" ?> " < / span > < / div >
< div class = "line" > < a name = "l00036" > < / a > < span class = "lineno" > 36< / span >   < span class = "stringliteral" > " < soap:Envelope xmlns=\" http://schemas.xmlsoap.org/soap/envelope/\" " < / span > < / div >
< div class = "line" > < a name = "l00037" > < / a > < span class = "lineno" > 37< / span >   < span class = "stringliteral" > " xmlns:xsi=\" http://www.w3.org/2001/XMLSchema-instance\" " < / span > < / div >
< div class = "line" > < a name = "l00038" > < / a > < span class = "lineno" > 38< / span >   < span class = "stringliteral" > " xmlns:xsd=\" http://www.w3.org/2001/XMLSchema\" " < / span > < / div >
< div class = "line" > < a name = "l00039" > < / a > < span class = "lineno" > 39< / span >   < span class = "stringliteral" > " xmlns:soap=\" http://schemas.xmlsoap.org/soap/envelope/\" > " < / span > < / div >
< div class = "line" > < a name = "l00040" > < / a > < span class = "lineno" > 40< / span >   < span class = "stringliteral" > " < soap:Body> " < / span > < / div >
< div class = "line" > < a name = "l00041" > < / a > < span class = "lineno" > 41< / span >   < span class = "stringliteral" > " < AcquirePackagingData " < / span > < / div >
< div class = "line" > < a name = "l00042" > < / a > < span class = "lineno" > 42< / span >   < span class = "stringliteral" > " xmlns=\" http://schemas.microsoft.com/DRM/2007/03/protocols\" > " < / span > < / div >
< div class = "line" > < a name = "l00043" > < / a > < span class = "lineno" > 43< / span >   < span class = "stringliteral" > " < challenge " < / span > < / div >
< div class = "line" > < a name = "l00044" > < / a > < span class = "lineno" > 44< / span >   < span class = "stringliteral" > " xmlns=\" http://schemas.microsoft.com/DRM" < / span > < / div >
< div class = "line" > < a name = "l00045" > < / a > < span class = "lineno" > 45< / span >   < span class = "stringliteral" > " /2007/03/protocols/AcquirePackagingData/v1.0\" > " < / span > < / div >
< div class = "line" > < a name = "l00046" > < / a > < span class = "lineno" > 46< / span >   < span class = "stringliteral" > " < ProtectionSystems> " < / span > < / div >
< div class = "line" > < a name = "l00047" > < / a > < span class = "lineno" > 47< / span >   < span class = "stringliteral" > " < ProtectionSystemId> 9A04F079-9840-4286-AB92-E65BE0885F95" < / span > < / div >
< div class = "line" > < a name = "l00048" > < / a > < span class = "lineno" > 48< / span >   < span class = "stringliteral" > " < /ProtectionSystemId> " < / span > < / div >
< div class = "line" > < a name = "l00049" > < / a > < span class = "lineno" > 49< / span >   < span class = "stringliteral" > " < /ProtectionSystems> " < / span > < / div >
< div class = "line" > < a name = "l00050" > < / a > < span class = "lineno" > 50< / span >   < span class = "stringliteral" > " < StreamProtectionRequests> " < / span > < / div >
< div class = "line" > < a name = "l00051" > < / a > < span class = "lineno" > 51< / span >   < span class = "stringliteral" > " < StreamInformation> " < / span > < / div >
< div class = "line" > < a name = "l00052" > < / a > < span class = "lineno" > 52< / span >   < span class = "stringliteral" > " < ProgramIdentifier> $0< /ProgramIdentifier> " < / span > < / div >
< div class = "line" > < a name = "l00053" > < / a > < span class = "lineno" > 53< / span >   < span class = "stringliteral" > " < OffsetFromProgramStart> P0S< /OffsetFromProgramStart> " < / span > < / div >
< div class = "line" > < a name = "l00054" > < / a > < span class = "lineno" > 54< / span >   < span class = "stringliteral" > " < /StreamInformation> " < / span > < / div >
< div class = "line" > < a name = "l00055" > < / a > < span class = "lineno" > 55< / span >   < span class = "stringliteral" > " < /StreamProtectionRequests> " < / span > < / div >
< div class = "line" > < a name = "l00056" > < / a > < span class = "lineno" > 56< / span >   < span class = "stringliteral" > " < /challenge> " < / span > < / div >
< div class = "line" > < a name = "l00057" > < / a > < span class = "lineno" > 57< / span >   < span class = "stringliteral" > " < /AcquirePackagingData> " < / span > < / div >
< div class = "line" > < a name = "l00058" > < / a > < span class = "lineno" > 58< / span >   < span class = "stringliteral" > " < /soap:Body> " < / span > < / div >
< div class = "line" > < a name = "l00059" > < / a > < span class = "lineno" > 59< / span >   < span class = "stringliteral" > " < /soap:Envelope> " < / span > ;< / div >
< div class = "line" > < a name = "l00060" > < / a > < span class = "lineno" > 60< / span >   < / div >
< div class = "line" > < a name = "l00061" > < / a > < span class = "lineno" > 61< / span >   < span class = "keywordtype" > bool< / span > Base64StringToBytes(< span class = "keyword" > const< / span > std::string& base64_string,< / div >
< div class = "line" > < a name = "l00062" > < / a > < span class = "lineno" > 62< / span >   std::vector< uint8_t> * bytes) {< / div >
< div class = "line" > < a name = "l00063" > < / a > < span class = "lineno" > 63< / span >   DCHECK(bytes);< / div >
< div class = "line" > < a name = "l00064" > < / a > < span class = "lineno" > 64< / span >   std::string str;< / div >
< div class = "line" > < a name = "l00065" > < / a > < span class = "lineno" > 65< / span >   < span class = "keywordflow" > if< / span > (!base::Base64Decode(base64_string, & str))< / div >
< div class = "line" > < a name = "l00066" > < / a > < span class = "lineno" > 66< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00067" > < / a > < span class = "lineno" > 67< / span >   bytes-> assign(str.begin(), str.end());< / div >
< div class = "line" > < a name = "l00068" > < / a > < span class = "lineno" > 68< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00069" > < / a > < span class = "lineno" > 69< / span >   }< / div >
< div class = "line" > < a name = "l00070" > < / a > < span class = "lineno" > 70< / span >   < / div >
< div class = "line" > < a name = "l00071" > < / a > < span class = "lineno" > 71< / span >   < span class = "comment" > // Converts the key_id' s endianness.< / span > < / div >
< div class = "line" > < a name = "l00072" > < / a > < span class = "lineno" > 72< / span >   std::vector< uint8_t> ConvertGuidEndianness(< span class = "keyword" > const< / span > std::vector< uint8_t> & input) {< / div >
< div class = "line" > < a name = "l00073" > < / a > < span class = "lineno" > 73< / span >   std::vector< uint8_t> output = input;< / div >
< div class = "line" > < a name = "l00074" > < / a > < span class = "lineno" > 74< / span >   < span class = "keywordflow" > if< / span > (output.size() > 7) { < span class = "comment" > // Defensive check.< / span > < / div >
< div class = "line" > < a name = "l00075" > < / a > < span class = "lineno" > 75< / span >   output[0] = input[3];< / div >
< div class = "line" > < a name = "l00076" > < / a > < span class = "lineno" > 76< / span >   output[1] = input[2];< / div >
< div class = "line" > < a name = "l00077" > < / a > < span class = "lineno" > 77< / span >   output[2] = input[1];< / div >
< div class = "line" > < a name = "l00078" > < / a > < span class = "lineno" > 78< / span >   output[3] = input[0];< / div >
< div class = "line" > < a name = "l00079" > < / a > < span class = "lineno" > 79< / span >   output[4] = input[5];< / div >
< div class = "line" > < a name = "l00080" > < / a > < span class = "lineno" > 80< / span >   output[5] = input[4];< / div >
< div class = "line" > < a name = "l00081" > < / a > < span class = "lineno" > 81< / span >   output[6] = input[7];< / div >
< div class = "line" > < a name = "l00082" > < / a > < span class = "lineno" > 82< / span >   output[7] = input[6];< / div >
< div class = "line" > < a name = "l00083" > < / a > < span class = "lineno" > 83< / span >   < span class = "comment" > // 8-15 are an array of bytes with no endianness.< / span > < / div >
< div class = "line" > < a name = "l00084" > < / a > < span class = "lineno" > 84< / span >   }< / div >
< div class = "line" > < a name = "l00085" > < / a > < span class = "lineno" > 85< / span >   < span class = "keywordflow" > return< / span > output;< / div >
< div class = "line" > < a name = "l00086" > < / a > < span class = "lineno" > 86< / span >   }< / div >
< div class = "line" > < a name = "l00087" > < / a > < span class = "lineno" > 87< / span >   < / div >
< div class = "line" > < a name = "l00088" > < / a > < span class = "lineno" > 88< / span >   < span class = "comment" > // Generates the data section of a PlayReady PSSH.< / span > < / div >
< div class = "line" > < a name = "l00089" > < / a > < span class = "lineno" > 89< / span >   < span class = "comment" > // PlayReady PSSH Data is a PlayReady Header Object.< / span > < / div >
< div class = "line" > < a name = "l00090" > < / a > < span class = "lineno" > 90< / span >   < span class = "comment" > // Format is outlined in the following document.< / span > < / div >
< div class = "line" > < a name = "l00091" > < / a > < span class = "lineno" > 91< / span >   < span class = "comment" > // http://download.microsoft.com/download/2/3/8/238F67D9-1B8B-48D3-AB83-9C00112268B2/PlayReady%20Header%20Object%202015-08-13-FINAL-CL.PDF< / span > < / div >
< div class = "line" > < a name = "l00092" > < / a > < span class = "lineno" > 92< / span >   < a class = "code" href = "../../d0/d93/classshaka_1_1media_1_1Status.html" > shaka::media::Status< / a > GeneratePlayReadyPsshData(< span class = "keyword" > const< / span > std::vector< uint8_t> & key_id,< / div >
< div class = "line" > < a name = "l00093" > < / a > < span class = "lineno" > 93< / span >   < span class = "keyword" > const< / span > std::vector< uint8_t> & key,< / div >
< div class = "line" > < a name = "l00094" > < / a > < span class = "lineno" > 94< / span >   std::vector< uint8_t> * output) {< / div >
< div class = "line" > < a name = "l00095" > < / a > < span class = "lineno" > 95< / span >   CHECK(output);< / div >
< div class = "line" > < a name = "l00096" > < / a > < span class = "lineno" > 96< / span >   std::vector< uint8_t> key_id_converted = ConvertGuidEndianness(key_id);< / div >
< div class = "line" > < a name = "l00097" > < / a > < span class = "lineno" > 97< / span >   std::vector< uint8_t> encrypted_key_id(key_id_converted.size());< / div >
< div class = "line" > < a name = "l00098" > < / a > < span class = "lineno" > 98< / span >   std::unique_ptr< AES_KEY> aes_key (< span class = "keyword" > new< / span > AES_KEY);< / div >
< div class = "line" > < a name = "l00099" > < / a > < span class = "lineno" > 99< / span >   CHECK_EQ(AES_set_encrypt_key(key.data(), key.size() * 8, aes_key.get()), 0);< / div >
< div class = "line" > < a name = "l00100" > < / a > < span class = "lineno" > 100< / span >   AES_ecb_encrypt(key_id_converted.data(), encrypted_key_id.data(),< / div >
< div class = "line" > < a name = "l00101" > < / a > < span class = "lineno" > 101< / span >   aes_key.get(), AES_ENCRYPT);< / div >
< div class = "line" > < a name = "l00102" > < / a > < span class = "lineno" > 102< / span >   std::string checksum = std::string(encrypted_key_id.begin(),< / div >
< div class = "line" > < a name = "l00103" > < / a > < span class = "lineno" > 103< / span >   encrypted_key_id.end()).substr(0, 8);< / div >
< div class = "line" > < a name = "l00104" > < / a > < span class = "lineno" > 104< / span >   std::string base64_checksum;< / div >
< div class = "line" > < a name = "l00105" > < / a > < span class = "lineno" > 105< / span >   base::Base64Encode(checksum, & base64_checksum);< / div >
< div class = "line" > < a name = "l00106" > < / a > < span class = "lineno" > 106< / span >   std::string base64_key_id;< / div >
< div class = "line" > < a name = "l00107" > < / a > < span class = "lineno" > 107< / span >   base::Base64Encode(std::string(key_id_converted.begin(),< / div >
< div class = "line" > < a name = "l00108" > < / a > < span class = "lineno" > 108< / span >   key_id_converted.end()),< / div >
< div class = "line" > < a name = "l00109" > < / a > < span class = "lineno" > 109< / span >   & base64_key_id);< / div >
< div class = "line" > < a name = "l00110" > < / a > < span class = "lineno" > 110< / span >   std::string playready_header = kPlayHeaderObject_4_0;< / div >
< div class = "line" > < a name = "l00111" > < / a > < span class = "lineno" > 111< / span >   base::ReplaceFirstSubstringAfterOffset(< / div >
< div class = "line" > < a name = "l00112" > < / a > < span class = "lineno" > 112< / span >   & playready_header, 0, < span class = "stringliteral" > " $0" < / span > , base64_key_id);< / div >
< div class = "line" > < a name = "l00113" > < / a > < span class = "lineno" > 113< / span >   base::ReplaceFirstSubstringAfterOffset(< / div >
< div class = "line" > < a name = "l00114" > < / a > < span class = "lineno" > 114< / span >   & playready_header, 0, < span class = "stringliteral" > " $1" < / span > , base64_checksum);< / div >
< div class = "line" > < a name = "l00115" > < / a > < span class = "lineno" > 115< / span >   < / div >
< div class = "line" > < a name = "l00116" > < / a > < span class = "lineno" > 116< / span >   < span class = "comment" > // Create a PlayReady Record.< / span > < / div >
< div class = "line" > < a name = "l00117" > < / a > < span class = "lineno" > 117< / span >   < span class = "comment" > // Outline in section ' 2.PlayReady Records' of< / span > < / div >
< div class = "line" > < a name = "l00118" > < / a > < span class = "lineno" > 118< / span >   < span class = "comment" > // ' PlayReady Header Object' document. Note data is in little endian format.< / span > < / div >
< div class = "line" > < a name = "l00119" > < / a > < span class = "lineno" > 119< / span >   std::vector< uint16_t> record_value =< / div >
< div class = "line" > < a name = "l00120" > < / a > < span class = "lineno" > 120< / span >   std::vector< uint16_t> (playready_header.begin(), playready_header.end());< / div >
< div class = "line" > < a name = "l00121" > < / a > < span class = "lineno" > 121< / span >   < a class = "code" href = "../../dc/d41/classshaka_1_1media_1_1BufferWriter.html" > shaka::media::BufferWriter< / a > writer_pr_record;< / div >
< div class = "line" > < a name = "l00122" > < / a > < span class = "lineno" > 122< / span >   uint16_t record_type = 1; < span class = "comment" > // Indicates that the record contains a rights management header.< / span > < / div >
< div class = "line" > < a name = "l00123" > < / a > < span class = "lineno" > 123< / span >   uint16_t record_length = record_value.size() * 2;< / div >
< div class = "line" > < a name = "l00124" > < / a > < span class = "lineno" > 124< / span >   writer_pr_record.AppendInt(static_cast< uint8_t> (record_type & 0xff));< / div >
< div class = "line" > < a name = "l00125" > < / a > < span class = "lineno" > 125< / span >   writer_pr_record.AppendInt(static_cast< uint8_t> ((record_type > > 8) & 0xff));< / div >
< div class = "line" > < a name = "l00126" > < / a > < span class = "lineno" > 126< / span >   writer_pr_record.AppendInt(static_cast< uint8_t> (record_length & 0xff));< / div >
< div class = "line" > < a name = "l00127" > < / a > < span class = "lineno" > 127< / span >   writer_pr_record.AppendInt(static_cast< uint8_t> ((record_length > > 8) & 0xff));< / div >
< div class = "line" > < a name = "l00128" > < / a > < span class = "lineno" > 128< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > auto< / span > record_item: record_value) {< / div >
< div class = "line" > < a name = "l00129" > < / a > < span class = "lineno" > 129< / span >   writer_pr_record.AppendInt(static_cast< uint8_t> (record_item & 0xff));< / div >
< div class = "line" > < a name = "l00130" > < / a > < span class = "lineno" > 130< / span >   writer_pr_record.AppendInt(static_cast< uint8_t> ((record_item > > 8) & 0xff));< / div >
< div class = "line" > < a name = "l00131" > < / a > < span class = "lineno" > 131< / span >   }< / div >
< div class = "line" > < a name = "l00132" > < / a > < span class = "lineno" > 132< / span >   < / div >
< div class = "line" > < a name = "l00133" > < / a > < span class = "lineno" > 133< / span >   < span class = "comment" > // Create the PlayReady Header object.< / span > < / div >
< div class = "line" > < a name = "l00134" > < / a > < span class = "lineno" > 134< / span >   < span class = "comment" > // Outline in section ' 1.PlayReady Header Objects' of< / span > < / div >
< div class = "line" > < a name = "l00135" > < / a > < span class = "lineno" > 135< / span >   < span class = "comment" > // ' PlayReady Header Object' document. Note data is in little endian format.< / span > < / div >
< div class = "line" > < a name = "l00136" > < / a > < span class = "lineno" > 136< / span >   < a class = "code" href = "../../dc/d41/classshaka_1_1media_1_1BufferWriter.html" > shaka::media::BufferWriter< / a > writer_pr_header_object;< / div >
< div class = "line" > < a name = "l00137" > < / a > < span class = "lineno" > 137< / span >   uint32_t playready_header_length = writer_pr_record.Size() + 4 + 2;< / div >
< div class = "line" > < a name = "l00138" > < / a > < span class = "lineno" > 138< / span >   uint16_t record_count = 1;< / div >
< div class = "line" > < a name = "l00139" > < / a > < span class = "lineno" > 139< / span >   writer_pr_header_object.< a class = "code" href = "../../dc/d41/classshaka_1_1media_1_1BufferWriter.html#abd8854feedd8b45146eb04dacf7d5b2f" > AppendInt< / a > (< / div >
< div class = "line" > < a name = "l00140" > < / a > < span class = "lineno" > 140< / span >   static_cast< uint8_t> (playready_header_length & 0xff));< / div >
< div class = "line" > < a name = "l00141" > < / a > < span class = "lineno" > 141< / span >   writer_pr_header_object.< a class = "code" href = "../../dc/d41/classshaka_1_1media_1_1BufferWriter.html#abd8854feedd8b45146eb04dacf7d5b2f" > AppendInt< / a > (< / div >
< div class = "line" > < a name = "l00142" > < / a > < span class = "lineno" > 142< / span >   static_cast< uint8_t> ((playready_header_length > > 8) & 0xff));< / div >
< div class = "line" > < a name = "l00143" > < / a > < span class = "lineno" > 143< / span >   writer_pr_header_object.< a class = "code" href = "../../dc/d41/classshaka_1_1media_1_1BufferWriter.html#abd8854feedd8b45146eb04dacf7d5b2f" > AppendInt< / a > (< / div >
< div class = "line" > < a name = "l00144" > < / a > < span class = "lineno" > 144< / span >   static_cast< uint8_t> ((playready_header_length > > 16) & 0xff));< / div >
< div class = "line" > < a name = "l00145" > < / a > < span class = "lineno" > 145< / span >   writer_pr_header_object.< a class = "code" href = "../../dc/d41/classshaka_1_1media_1_1BufferWriter.html#abd8854feedd8b45146eb04dacf7d5b2f" > AppendInt< / a > (< / div >
< div class = "line" > < a name = "l00146" > < / a > < span class = "lineno" > 146< / span >   static_cast< uint8_t> ((playready_header_length > > 24) & 0xff));< / div >
< div class = "line" > < a name = "l00147" > < / a > < span class = "lineno" > 147< / span >   writer_pr_header_object.< a class = "code" href = "../../dc/d41/classshaka_1_1media_1_1BufferWriter.html#abd8854feedd8b45146eb04dacf7d5b2f" > AppendInt< / a > (< / div >
< div class = "line" > < a name = "l00148" > < / a > < span class = "lineno" > 148< / span >   static_cast< uint8_t> (record_count & 0xff));< / div >
< div class = "line" > < a name = "l00149" > < / a > < span class = "lineno" > 149< / span >   writer_pr_header_object.< a class = "code" href = "../../dc/d41/classshaka_1_1media_1_1BufferWriter.html#abd8854feedd8b45146eb04dacf7d5b2f" > AppendInt< / a > (< / div >
< div class = "line" > < a name = "l00150" > < / a > < span class = "lineno" > 150< / span >   static_cast< uint8_t> ((record_count > > 8) & 0xff));< / div >
< div class = "line" > < a name = "l00151" > < / a > < span class = "lineno" > 151< / span >   writer_pr_header_object.AppendBuffer(writer_pr_record);< / div >
< div class = "line" > < a name = "l00152" > < / a > < span class = "lineno" > 152< / span >   *output = std::vector< uint8_t> (writer_pr_header_object.< a class = "code" href = "../../dc/d41/classshaka_1_1media_1_1BufferWriter.html#ab3054a98a4ec27764c65511dc17a916d" > Buffer< / a > (),< / div >
< div class = "line" > < a name = "l00153" > < / a > < span class = "lineno" > 153< / span >   writer_pr_header_object.< a class = "code" href = "../../dc/d41/classshaka_1_1media_1_1BufferWriter.html#ab3054a98a4ec27764c65511dc17a916d" > Buffer< / a > () +< / div >
< div class = "line" > < a name = "l00154" > < / a > < span class = "lineno" > 154< / span >   writer_pr_header_object.Size());< / div >
< div class = "line" > < a name = "l00155" > < / a > < span class = "lineno" > 155< / span >   < span class = "keywordflow" > return< / span > shaka::media::Status::OK;< / div >
< div class = "line" > < a name = "l00156" > < / a > < span class = "lineno" > 156< / span >   }< / div >
< div class = "line" > < a name = "l00157" > < / a > < span class = "lineno" > 157< / span >   < / div >
< div class = "line" > < a name = "l00158" > < / a > < span class = "lineno" > 158< / span >   } < span class = "comment" > // namespace< / span > < / div >
< div class = "line" > < a name = "l00159" > < / a > < span class = "lineno" > 159< / span >   < / div >
< div class = "line" > < a name = "l00160" > < / a > < span class = "lineno" > < a class = "line" href = "../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#a2d85b64ad09aec73b84a26071a9c059e" > 160< / a > < / span >   < a class = "code" href = "../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#a2d85b64ad09aec73b84a26071a9c059e" > PlayReadyKeySource::PlayReadyKeySource< / a > (< / div >
< div class = "line" > < a name = "l00161" > < / a > < span class = "lineno" > 161< / span >   < span class = "keyword" > const< / span > std::string& server_url)< / div >
< div class = "line" > < a name = "l00162" > < / a > < span class = "lineno" > 162< / span >   : encryption_key_(new < a class = "code" href = "../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html" > EncryptionKey< / a > ),< / div >
< div class = "line" > < a name = "l00163" > < / a > < span class = "lineno" > 163< / span >   server_url_(server_url) {< / div >
< div class = "line" > < a name = "l00164" > < / a > < span class = "lineno" > 164< / span >   }< / div >
< div class = "line" > < a name = "l00165" > < / a > < span class = "lineno" > 165< / span >   < / div >
< div class = "line" > < a name = "l00166" > < / a > < span class = "lineno" > < a class = "line" href = "../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#a11f5940080bf569c4c3dca1fe4bd9ce1" > 166< / a > < / span >   < a class = "code" href = "../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#a2d85b64ad09aec73b84a26071a9c059e" > PlayReadyKeySource::PlayReadyKeySource< / a > (< span class = "keyword" > const< / span > std::string& server_url,< / div >
< div class = "line" > < a name = "l00167" > < / a > < span class = "lineno" > 167< / span >   < span class = "keyword" > const< / span > std::string& client_cert_file,< / div >
< div class = "line" > < a name = "l00168" > < / a > < span class = "lineno" > 168< / span >   < span class = "keyword" > const< / span > std::string& client_cert_private_key_file,< / div >
< div class = "line" > < a name = "l00169" > < / a > < span class = "lineno" > 169< / span >   < span class = "keyword" > const< / span > std::string& client_cert_private_key_password)< / div >
< div class = "line" > < a name = "l00170" > < / a > < span class = "lineno" > 170< / span >   : encryption_key_(new < a class = "code" href = "../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html" > EncryptionKey< / a > ),< / div >
< div class = "line" > < a name = "l00171" > < / a > < span class = "lineno" > 171< / span >   server_url_(server_url),< / div >
< div class = "line" > < a name = "l00172" > < / a > < span class = "lineno" > 172< / span >   client_cert_file_(client_cert_file),< / div >
< div class = "line" > < a name = "l00173" > < / a > < span class = "lineno" > 173< / span >   client_cert_private_key_file_(client_cert_private_key_file),< / div >
< div class = "line" > < a name = "l00174" > < / a > < span class = "lineno" > 174< / span >   client_cert_private_key_password_(client_cert_private_key_password) {< / div >
< div class = "line" > < a name = "l00175" > < / a > < span class = "lineno" > 175< / span >   }< / div >
< div class = "line" > < a name = "l00176" > < / a > < span class = "lineno" > 176< / span >   < / div >
< div class = "line" > < a name = "l00177" > < / a > < span class = "lineno" > 177< / span >   < a class = "code" href = "../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#a2d85b64ad09aec73b84a26071a9c059e" > PlayReadyKeySource::PlayReadyKeySource< / a > (< / div >
< div class = "line" > < a name = "l00178" > < / a > < span class = "lineno" > 178< / span >   std::unique_ptr< EncryptionKey> encryption_key)< / div >
< div class = "line" > < a name = "l00179" > < / a > < span class = "lineno" > 179< / span >   : encryption_key_(std::move(encryption_key)) {< / div >
< div class = "line" > < a name = "l00180" > < / a > < span class = "lineno" > 180< / span >   }< / div >
< div class = "line" > < a name = "l00181" > < / a > < span class = "lineno" > 181< / span >   < / div >
< div class = "line" > < a name = "l00182" > < / a > < span class = "lineno" > 182< / span >   PlayReadyKeySource::~PlayReadyKeySource() {}< / div >
< div class = "line" > < a name = "l00183" > < / a > < span class = "lineno" > 183< / span >   < / div >
< div class = "line" > < a name = "l00184" > < / a > < span class = "lineno" > < a class = "line" href = "../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#a4f539e8a54fef68aea5629489669508b" > 184< / a > < / span >   std::unique_ptr< PlayReadyKeySource> < a class = "code" href = "../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#a4f539e8a54fef68aea5629489669508b" > PlayReadyKeySource::CreateFromKeyAndKeyId< / a > (< / div >
< div class = "line" > < a name = "l00185" > < / a > < span class = "lineno" > 185< / span >   < span class = "keyword" > const< / span > std::string& key_id_hex, < span class = "keyword" > const< / span > std::string& key_hex) {< / div >
< div class = "line" > < a name = "l00186" > < / a > < span class = "lineno" > 186< / span >   std::unique_ptr< EncryptionKey> encryption_key(< span class = "keyword" > new< / span > < a class = "code" href = "../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html" > EncryptionKey< / a > );< / div >
< div class = "line" > < a name = "l00187" > < / a > < span class = "lineno" > 187< / span >   < span class = "keywordflow" > if< / span > (!base::HexStringToBytes(key_id_hex, & encryption_key-> key_id)) {< / div >
< div class = "line" > < a name = "l00188" > < / a > < span class = "lineno" > 188< / span >   LOG(ERROR) < < < span class = "stringliteral" > " Cannot parse key_id_hex " < / span > < < key_id_hex;< / div >
< div class = "line" > < a name = "l00189" > < / a > < span class = "lineno" > 189< / span >   < span class = "keywordflow" > return< / span > std::unique_ptr< PlayReadyKeySource> ();< / div >
< div class = "line" > < a name = "l00190" > < / a > < span class = "lineno" > 190< / span >   }< / div >
< div class = "line" > < a name = "l00191" > < / a > < span class = "lineno" > 191< / span >   std::vector< uint8_t> key;< / div >
< div class = "line" > < a name = "l00192" > < / a > < span class = "lineno" > 192< / span >   < span class = "keywordflow" > if< / span > (!base::HexStringToBytes(key_hex, & encryption_key-> key)) {< / div >
< div class = "line" > < a name = "l00193" > < / a > < span class = "lineno" > 193< / span >   LOG(ERROR) < < < span class = "stringliteral" > " Cannot parse key_hex " < / span > < < key_hex;< / div >
< div class = "line" > < a name = "l00194" > < / a > < span class = "lineno" > 194< / span >   < span class = "keywordflow" > return< / span > std::unique_ptr< PlayReadyKeySource> ();< / div >
< div class = "line" > < a name = "l00195" > < / a > < span class = "lineno" > 195< / span >   }< / div >
< div class = "line" > < a name = "l00196" > < / a > < span class = "lineno" > 196< / span >   std::vector< uint8_t> pssh_data;< / div >
< div class = "line" > < a name = "l00197" > < / a > < span class = "lineno" > 197< / span >   < a class = "code" href = "../../d0/d93/classshaka_1_1media_1_1Status.html" > Status< / a > status = GeneratePlayReadyPsshData(< / div >
< div class = "line" > < a name = "l00198" > < / a > < span class = "lineno" > 198< / span >   encryption_key-> key_id, encryption_key-> key, & pssh_data);< / div >
< div class = "line" > < a name = "l00199" > < / a > < span class = "lineno" > 199< / span >   < span class = "keywordflow" > if< / span > (!status.ok()) {< / div >
< div class = "line" > < a name = "l00200" > < / a > < span class = "lineno" > 200< / span >   LOG(ERROR) < < status.< a class = "code" href = "../../d0/d93/classshaka_1_1media_1_1Status.html#ac5d67e71539ca2f3589d3b2d4dc9ad60" > ToString< / a > ();< / div >
< div class = "line" > < a name = "l00201" > < / a > < span class = "lineno" > 201< / span >   < span class = "keywordflow" > return< / span > std::unique_ptr< PlayReadyKeySource> ();< / div >
< div class = "line" > < a name = "l00202" > < / a > < span class = "lineno" > 202< / span >   }< / div >
< div class = "line" > < a name = "l00203" > < / a > < span class = "lineno" > 203< / span >   < a class = "code" href = "../../d0/dd4/classshaka_1_1media_1_1ProtectionSystemSpecificInfo.html" > ProtectionSystemSpecificInfo< / a > info;< / div >
< div class = "line" > < a name = "l00204" > < / a > < span class = "lineno" > 204< / span >   info.add_key_id(encryption_key-> key_id);< / div >
< div class = "line" > < a name = "l00205" > < / a > < span class = "lineno" > 205< / span >   info.set_system_id(kPlayReadySystemId, arraysize(kPlayReadySystemId));< / div >
< div class = "line" > < a name = "l00206" > < / a > < span class = "lineno" > 206< / span >   info.set_pssh_data(pssh_data);< / div >
< div class = "line" > < a name = "l00207" > < / a > < span class = "lineno" > 207< / span >   < / div >
< div class = "line" > < a name = "l00208" > < / a > < span class = "lineno" > 208< / span >   encryption_key-> key_system_info.push_back(info);< / div >
< div class = "line" > < a name = "l00209" > < / a > < span class = "lineno" > 209< / span >   < span class = "keywordflow" > return< / span > std::unique_ptr< PlayReadyKeySource> (< / div >
< div class = "line" > < a name = "l00210" > < / a > < span class = "lineno" > 210< / span >   < span class = "keyword" > new< / span > < a class = "code" href = "../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#a2d85b64ad09aec73b84a26071a9c059e" > PlayReadyKeySource< / a > (std::move(encryption_key)));< / div >
< div class = "line" > < a name = "l00211" > < / a > < span class = "lineno" > 211< / span >   }< / div >
< div class = "line" > < a name = "l00212" > < / a > < span class = "lineno" > 212< / span >   < / div >
< div class = "line" > < a name = "l00213" > < / a > < span class = "lineno" > 213< / span >   < a class = "code" href = "../../d0/d93/classshaka_1_1media_1_1Status.html" > Status< / a > RetrieveTextInXMLElement(< span class = "keyword" > const< / span > std::string& element,< / div >
< div class = "line" > < a name = "l00214" > < / a > < span class = "lineno" > 214< / span >   < span class = "keyword" > const< / span > std::string& xml,< / div >
< div class = "line" > < a name = "l00215" > < / a > < span class = "lineno" > 215< / span >   std::string* value) {< / div >
< div class = "line" > < a name = "l00216" > < / a > < span class = "lineno" > 216< / span >   std::string start_tag = < span class = "stringliteral" > " < " < / span > + element + < span class = "stringliteral" > " > " < / span > ;< / div >
< div class = "line" > < a name = "l00217" > < / a > < span class = "lineno" > 217< / span >   std::string end_tag = < span class = "stringliteral" > " < /" < / span > + element + < span class = "stringliteral" > " > " < / span > ;< / div >
< div class = "line" > < a name = "l00218" > < / a > < span class = "lineno" > 218< / span >   std::size_t start_pos = xml.find(start_tag);< / div >
< div class = "line" > < a name = "l00219" > < / a > < span class = "lineno" > 219< / span >   < span class = "keywordflow" > if< / span > (start_pos == std::string::npos) {< / div >
< div class = "line" > < a name = "l00220" > < / a > < span class = "lineno" > 220< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "../../d0/d93/classshaka_1_1media_1_1Status.html" > Status< / a > (error::SERVER_ERROR,< / div >
< div class = "line" > < a name = "l00221" > < / a > < span class = "lineno" > 221< / span >   < span class = "stringliteral" > " Unable to find tag: " < / span > + start_tag);< / div >
< div class = "line" > < a name = "l00222" > < / a > < span class = "lineno" > 222< / span >   }< / div >
< div class = "line" > < a name = "l00223" > < / a > < span class = "lineno" > 223< / span >   start_pos += start_tag.size();< / div >
< div class = "line" > < a name = "l00224" > < / a > < span class = "lineno" > 224< / span >   std::size_t end_pos = xml.find(end_tag);< / div >
< div class = "line" > < a name = "l00225" > < / a > < span class = "lineno" > 225< / span >   < span class = "keywordflow" > if< / span > (end_pos == std::string::npos) {< / div >
< div class = "line" > < a name = "l00226" > < / a > < span class = "lineno" > 226< / span >   < span class = "keywordflow" > return< / span > Status(error::SERVER_ERROR,< / div >
< div class = "line" > < a name = "l00227" > < / a > < span class = "lineno" > 227< / span >   < span class = "stringliteral" > " Unable to find tag: " < / span > + end_tag);< / div >
< div class = "line" > < a name = "l00228" > < / a > < span class = "lineno" > 228< / span >   }< / div >
< div class = "line" > < a name = "l00229" > < / a > < span class = "lineno" > 229< / span >   < span class = "keywordflow" > if< / span > (start_pos > end_pos) {< / div >
< div class = "line" > < a name = "l00230" > < / a > < span class = "lineno" > 230< / span >   < span class = "keywordflow" > return< / span > Status(error::SERVER_ERROR, < span class = "stringliteral" > " Invalid positions" < / span > );< / div >
< div class = "line" > < a name = "l00231" > < / a > < span class = "lineno" > 231< / span >   }< / div >
< div class = "line" > < a name = "l00232" > < / a > < span class = "lineno" > 232< / span >   std::size_t segment_len = end_pos - start_pos;< / div >
< div class = "line" > < a name = "l00233" > < / a > < span class = "lineno" > 233< / span >   *value = xml.substr(start_pos, segment_len);< / div >
< div class = "line" > < a name = "l00234" > < / a > < span class = "lineno" > 234< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / div >
< div class = "line" > < a name = "l00235" > < / a > < span class = "lineno" > 235< / span >   }< / div >
< div class = "line" > < a name = "l00236" > < / a > < span class = "lineno" > 236< / span >   < / div >
< div class = "line" > < a name = "l00237" > < / a > < span class = "lineno" > 237< / span >   Status SetKeyInformationFromServerResponse(< span class = "keyword" > const< / span > std::string& response,< / div >
< div class = "line" > < a name = "l00238" > < / a > < span class = "lineno" > 238< / span >   EncryptionKey* encryption_key) {< / div >
< div class = "line" > < a name = "l00239" > < / a > < span class = "lineno" > 239< / span >   < span class = "comment" > // TODO(robinconnell): Currently all tracks are encrypted using the same< / span > < / div >
< div class = "line" > < a name = "l00240" > < / a > < span class = "lineno" > 240< / span >   < span class = "comment" > // key_id and key. Add the ability to retrieve multiple key_id/keys from< / span > < / div >
< div class = "line" > < a name = "l00241" > < / a > < span class = "lineno" > 241< / span >   < span class = "comment" > // the packager response and encrypt multiple tracks using differnt< / span > < / div >
< div class = "line" > < a name = "l00242" > < / a > < span class = "lineno" > 242< / span >   < span class = "comment" > // key_id/keys.< / span > < / div >
< div class = "line" > < a name = "l00243" > < / a > < span class = "lineno" > 243< / span >   std::string key_id_hex;< / div >
< div class = "line" > < a name = "l00244" > < / a > < span class = "lineno" > 244< / span >   Status status = RetrieveTextInXMLElement(< span class = "stringliteral" > " KeyId" < / span > , response, & key_id_hex);< / div >
< div class = "line" > < a name = "l00245" > < / a > < span class = "lineno" > 245< / span >   < span class = "keywordflow" > if< / span > (!status.ok()) {< / div >
< div class = "line" > < a name = "l00246" > < / a > < span class = "lineno" > 246< / span >   < span class = "keywordflow" > return< / span > status;< / div >
< div class = "line" > < a name = "l00247" > < / a > < span class = "lineno" > 247< / span >   }< / div >
< div class = "line" > < a name = "l00248" > < / a > < span class = "lineno" > 248< / span >   key_id_hex.erase(< / div >
< div class = "line" > < a name = "l00249" > < / a > < span class = "lineno" > 249< / span >   std::remove(key_id_hex.begin(), key_id_hex.end(), < span class = "charliteral" > ' -' < / span > ), key_id_hex.end());< / div >
< div class = "line" > < a name = "l00250" > < / a > < span class = "lineno" > 250< / span >   std::string key_data_b64;< / div >
< div class = "line" > < a name = "l00251" > < / a > < span class = "lineno" > 251< / span >   status = RetrieveTextInXMLElement(< span class = "stringliteral" > " KeyData" < / span > , response, & key_data_b64);< / div >
< div class = "line" > < a name = "l00252" > < / a > < span class = "lineno" > 252< / span >   < span class = "keywordflow" > if< / span > (!status.ok()) {< / div >
< div class = "line" > < a name = "l00253" > < / a > < span class = "lineno" > 253< / span >   LOG(ERROR) < < < span class = "stringliteral" > " Key retreiving KeyData" < / span > ;< / div >
< div class = "line" > < a name = "l00254" > < / a > < span class = "lineno" > 254< / span >   < span class = "keywordflow" > return< / span > status;< / div >
< div class = "line" > < a name = "l00255" > < / a > < span class = "lineno" > 255< / span >   }< / div >
< div class = "line" > < a name = "l00256" > < / a > < span class = "lineno" > 256< / span >   std::string pssh_data_b64;< / div >
< div class = "line" > < a name = "l00257" > < / a > < span class = "lineno" > 257< / span >   status = RetrieveTextInXMLElement(< span class = "stringliteral" > " Data" < / span > , response, & pssh_data_b64);< / div >
< div class = "line" > < a name = "l00258" > < / a > < span class = "lineno" > 258< / span >   < span class = "keywordflow" > if< / span > (!status.ok()) {< / div >
< div class = "line" > < a name = "l00259" > < / a > < span class = "lineno" > 259< / span >   LOG(ERROR) < < < span class = "stringliteral" > " Key retreiving Data" < / span > ;< / div >
< div class = "line" > < a name = "l00260" > < / a > < span class = "lineno" > 260< / span >   < span class = "keywordflow" > return< / span > status;< / div >
< div class = "line" > < a name = "l00261" > < / a > < span class = "lineno" > 261< / span >   }< / div >
< div class = "line" > < a name = "l00262" > < / a > < span class = "lineno" > 262< / span >   < span class = "keywordflow" > if< / span > (!base::HexStringToBytes(key_id_hex, & encryption_key-> key_id)) {< / div >
< div class = "line" > < a name = "l00263" > < / a > < span class = "lineno" > 263< / span >   LOG(ERROR) < < < span class = "stringliteral" > " Cannot parse key_id_hex, " < / span > < < key_id_hex;< / div >
< div class = "line" > < a name = "l00264" > < / a > < span class = "lineno" > 264< / span >   < span class = "keywordflow" > return< / span > Status(error::SERVER_ERROR, < span class = "stringliteral" > " Cannot parse key_id_hex." < / span > );< / div >
< div class = "line" > < a name = "l00265" > < / a > < span class = "lineno" > 265< / span >   }< / div >
< div class = "line" > < a name = "l00266" > < / a > < span class = "lineno" > 266< / span >   < / div >
< div class = "line" > < a name = "l00267" > < / a > < span class = "lineno" > 267< / span >   < span class = "keywordflow" > if< / span > (!Base64StringToBytes(key_data_b64, & encryption_key-> key)) {< / div >
< div class = "line" > < a name = "l00268" > < / a > < span class = "lineno" > 268< / span >   LOG(ERROR) < < < span class = "stringliteral" > " Cannot parse key, " < / span > < < key_data_b64;< / div >
< div class = "line" > < a name = "l00269" > < / a > < span class = "lineno" > 269< / span >   < span class = "keywordflow" > return< / span > Status(error::SERVER_ERROR, < span class = "stringliteral" > " Cannot parse key." < / span > );< / div >
< div class = "line" > < a name = "l00270" > < / a > < span class = "lineno" > 270< / span >   }< / div >
< div class = "line" > < a name = "l00271" > < / a > < span class = "lineno" > 271< / span >   std::vector< uint8_t> pssh_data;< / div >
< div class = "line" > < a name = "l00272" > < / a > < span class = "lineno" > 272< / span >   < span class = "keywordflow" > if< / span > (!Base64StringToBytes(pssh_data_b64, & pssh_data)) {< / div >
< div class = "line" > < a name = "l00273" > < / a > < span class = "lineno" > 273< / span >   LOG(ERROR) < < < span class = "stringliteral" > " Cannot parse pssh data, " < / span > < < pssh_data_b64;< / div >
< div class = "line" > < a name = "l00274" > < / a > < span class = "lineno" > 274< / span >   < span class = "keywordflow" > return< / span > Status(error::SERVER_ERROR, < span class = "stringliteral" > " Cannot parse pssh." < / span > );< / div >
< div class = "line" > < a name = "l00275" > < / a > < span class = "lineno" > 275< / span >   }< / div >
< div class = "line" > < a name = "l00276" > < / a > < span class = "lineno" > 276< / span >   ProtectionSystemSpecificInfo info;< / div >
< div class = "line" > < a name = "l00277" > < / a > < span class = "lineno" > 277< / span >   info.add_key_id(encryption_key-> key_id);< / div >
< div class = "line" > < a name = "l00278" > < / a > < span class = "lineno" > 278< / span >   info.set_system_id(kPlayReadySystemId, arraysize(kPlayReadySystemId));< / div >
< div class = "line" > < a name = "l00279" > < / a > < span class = "lineno" > 279< / span >   info.set_pssh_data(pssh_data);< / div >
< div class = "line" > < a name = "l00280" > < / a > < span class = "lineno" > 280< / span >   encryption_key-> key_system_info.push_back(info);< / div >
< div class = "line" > < a name = "l00281" > < / a > < span class = "lineno" > 281< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / div >
< div class = "line" > < a name = "l00282" > < / a > < span class = "lineno" > 282< / span >   }< / div >
< div class = "line" > < a name = "l00283" > < / a > < span class = "lineno" > 283< / span >   < / div >
< div class = "line" > < a name = "l00284" > < / a > < span class = "lineno" > 284< / span >   Status PlayReadyKeySource::FetchKeysWithProgramIdentifier(< / div >
< div class = "line" > < a name = "l00285" > < / a > < span class = "lineno" > 285< / span >   < span class = "keyword" > const< / span > std::string& program_identifier) {< / div >
< div class = "line" > < a name = "l00286" > < / a > < span class = "lineno" > 286< / span >   std::unique_ptr< EncryptionKey> encryption_key(< span class = "keyword" > new< / span > EncryptionKey);< / div >
< div class = "line" > < a name = "l00287" > < / a > < span class = "lineno" > 287< / span >   HttpKeyFetcher key_fetcher(kHttpFetchTimeout);< / div >
< div class = "line" > < a name = "l00288" > < / a > < span class = "lineno" > 288< / span >   < span class = "keywordflow" > if< / span > (!client_cert_file_.empty() & & !client_cert_private_key_file_.empty() & & < / div >
< div class = "line" > < a name = "l00289" > < / a > < span class = "lineno" > 289< / span >   !client_cert_private_key_password_.empty()) {< / div >
< div class = "line" > < a name = "l00290" > < / a > < span class = "lineno" > 290< / span >   key_fetcher.SetClientCertInfo(client_cert_file_,< / div >
< div class = "line" > < a name = "l00291" > < / a > < span class = "lineno" > 291< / span >   client_cert_private_key_file_,< / div >
< div class = "line" > < a name = "l00292" > < / a > < span class = "lineno" > 292< / span >   client_cert_private_key_password_);< / div >
< div class = "line" > < a name = "l00293" > < / a > < span class = "lineno" > 293< / span >   }< / div >
< div class = "line" > < a name = "l00294" > < / a > < span class = "lineno" > 294< / span >   < span class = "keywordflow" > if< / span > (!ca_file_.empty()) {< / div >
< div class = "line" > < a name = "l00295" > < / a > < span class = "lineno" > 295< / span >   key_fetcher.SetCaFile(ca_file_);< / div >
< div class = "line" > < a name = "l00296" > < / a > < span class = "lineno" > 296< / span >   }< / div >
< div class = "line" > < a name = "l00297" > < / a > < span class = "lineno" > 297< / span >   std::string acquire_license_request = kAcquireLicenseRequest;< / div >
< div class = "line" > < a name = "l00298" > < / a > < span class = "lineno" > 298< / span >   base::ReplaceFirstSubstringAfterOffset(< / div >
< div class = "line" > < a name = "l00299" > < / a > < span class = "lineno" > 299< / span >   & acquire_license_request, 0, < span class = "stringliteral" > " $0" < / span > , program_identifier);< / div >
< div class = "line" > < a name = "l00300" > < / a > < span class = "lineno" > 300< / span >   std::string acquire_license_response;< / div >
< div class = "line" > < a name = "l00301" > < / a > < span class = "lineno" > 301< / span >   Status status = key_fetcher.FetchKeys(server_url_, acquire_license_request,< / div >
< div class = "line" > < a name = "l00302" > < / a > < span class = "lineno" > 302< / span >   & acquire_license_response);< / div >
< div class = "line" > < a name = "l00303" > < / a > < span class = "lineno" > 303< / span >   < span class = "keywordflow" > if< / span > (!status.ok()) {< / div >
< div class = "line" > < a name = "l00304" > < / a > < span class = "lineno" > 304< / span >   LOG(ERROR) < < < span class = "stringliteral" > " Server response: " < / span > < < acquire_license_response;< / div >
< div class = "line" > < a name = "l00305" > < / a > < span class = "lineno" > 305< / span >   < span class = "keywordflow" > return< / span > status;< / div >
< div class = "line" > < a name = "l00306" > < / a > < span class = "lineno" > 306< / span >   }< / div >
< div class = "line" > < a name = "l00307" > < / a > < span class = "lineno" > 307< / span >   status = SetKeyInformationFromServerResponse(acquire_license_response,< / div >
< div class = "line" > < a name = "l00308" > < / a > < span class = "lineno" > 308< / span >   encryption_key.get());< / div >
< div class = "line" > < a name = "l00309" > < / a > < span class = "lineno" > 309< / span >   encryption_key_ = std::move(encryption_key);< / div >
< div class = "line" > < a name = "l00310" > < / a > < span class = "lineno" > 310< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / div >
< div class = "line" > < a name = "l00311" > < / a > < span class = "lineno" > 311< / span >   }< / div >
< div class = "line" > < a name = "l00312" > < / a > < span class = "lineno" > 312< / span >   < / div >
< div class = "line" > < a name = "l00313" > < / a > < span class = "lineno" > < a class = "line" href = "../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#ab81121a70588e7a40e29ed30043f093d" > 313< / a > < / span >   < a class = "code" href = "../../d0/d93/classshaka_1_1media_1_1Status.html" > Status< / a > < a class = "code" href = "../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#ab81121a70588e7a40e29ed30043f093d" > PlayReadyKeySource::FetchKeys< / a > (< span class = "keyword" > const< / span > std::vector< uint8_t> & pssh_box) {< / div >
< div class = "line" > < a name = "l00314" > < / a > < span class = "lineno" > 314< / span >   < span class = "comment" > // Does nothing for playready encryption/decryption.< / span > < / div >
< div class = "line" > < a name = "l00315" > < / a > < span class = "lineno" > 315< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / div >
< div class = "line" > < a name = "l00316" > < / a > < span class = "lineno" > 316< / span >   }< / div >
< div class = "line" > < a name = "l00317" > < / a > < span class = "lineno" > 317< / span >   < / div >
< div class = "line" > < a name = "l00318" > < / a > < span class = "lineno" > < a class = "line" href = "../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#a402d02206bb253436284e78a252f3952" > 318< / a > < / span >   < a class = "code" href = "../../d0/d93/classshaka_1_1media_1_1Status.html" > Status< / a > < a class = "code" href = "../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#ab81121a70588e7a40e29ed30043f093d" > PlayReadyKeySource::FetchKeys< / a > (< / div >
< div class = "line" > < a name = "l00319" > < / a > < span class = "lineno" > 319< / span >   < span class = "keyword" > const< / span > std::vector< std::vector< uint8_t> > & key_ids) {< / div >
< div class = "line" > < a name = "l00320" > < / a > < span class = "lineno" > 320< / span >   < span class = "comment" > // Does nothing for playready encryption/decryption.< / span > < / div >
< div class = "line" > < a name = "l00321" > < / a > < span class = "lineno" > 321< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / div >
< div class = "line" > < a name = "l00322" > < / a > < span class = "lineno" > 322< / span >   }< / div >
< div class = "line" > < a name = "l00323" > < / a > < span class = "lineno" > 323< / span >   < / div >
< div class = "line" > < a name = "l00324" > < / a > < span class = "lineno" > < a class = "line" href = "../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#aca6dcd998cb19421302a262265448321" > 324< / a > < / span >   < a class = "code" href = "../../d0/d93/classshaka_1_1media_1_1Status.html" > Status< / a > < a class = "code" href = "../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#ab81121a70588e7a40e29ed30043f093d" > PlayReadyKeySource::FetchKeys< / a > (uint32_t asset_id) {< / div >
< div class = "line" > < a name = "l00325" > < / a > < span class = "lineno" > 325< / span >   < span class = "comment" > // Does nothing for playready encryption/decryption.< / span > < / div >
< div class = "line" > < a name = "l00326" > < / a > < span class = "lineno" > 326< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / div >
< div class = "line" > < a name = "l00327" > < / a > < span class = "lineno" > 327< / span >   }< / div >
< div class = "line" > < a name = "l00328" > < / a > < span class = "lineno" > 328< / span >   < / div >
< div class = "line" > < a name = "l00329" > < / a > < span class = "lineno" > < a class = "line" href = "../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#a425495104b43f26b94ae38794c608e96" > 329< / a > < / span >   < a class = "code" href = "../../d0/d93/classshaka_1_1media_1_1Status.html" > Status< / a > < a class = "code" href = "../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#a425495104b43f26b94ae38794c608e96" > PlayReadyKeySource::GetKey< / a > (TrackType track_type, < a class = "code" href = "../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html" > EncryptionKey< / a > * key) {< / div >
< div class = "line" > < a name = "l00330" > < / a > < span class = "lineno" > 330< / span >   < span class = "comment" > // TODO(robinconnell): Currently all tracks are encrypted using the same< / span > < / div >
< div class = "line" > < a name = "l00331" > < / a > < span class = "lineno" > 331< / span >   < span class = "comment" > // key_id and key. Add the ability to encrypt each track_type using a< / span > < / div >
< div class = "line" > < a name = "l00332" > < / a > < span class = "lineno" > 332< / span >   < span class = "comment" > // different key_id and key.< / span > < / div >
< div class = "line" > < a name = "l00333" > < / a > < span class = "lineno" > 333< / span >   DCHECK(key);< / div >
< div class = "line" > < a name = "l00334" > < / a > < span class = "lineno" > 334< / span >   DCHECK(encryption_key_);< / div >
< div class = "line" > < a name = "l00335" > < / a > < span class = "lineno" > 335< / span >   *key = *encryption_key_;< / div >
< div class = "line" > < a name = "l00336" > < / a > < span class = "lineno" > 336< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / div >
< div class = "line" > < a name = "l00337" > < / a > < span class = "lineno" > 337< / span >   }< / div >
< div class = "line" > < a name = "l00338" > < / a > < span class = "lineno" > 338< / span >   < / div >
< div class = "line" > < a name = "l00339" > < / a > < span class = "lineno" > < a class = "line" href = "../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#a41c393f477ff4b723aa448b35e9ee896" > 339< / a > < / span >   < a class = "code" href = "../../d0/d93/classshaka_1_1media_1_1Status.html" > Status< / a > < a class = "code" href = "../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#a425495104b43f26b94ae38794c608e96" > PlayReadyKeySource::GetKey< / a > (< span class = "keyword" > const< / span > std::vector< uint8_t> & key_id,< / div >
< div class = "line" > < a name = "l00340" > < / a > < span class = "lineno" > 340< / span >   < a class = "code" href = "../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html" > EncryptionKey< / a > * key) {< / div >
< div class = "line" > < a name = "l00341" > < / a > < span class = "lineno" > 341< / span >   < span class = "comment" > // TODO(robinconnell): Currently all tracks are encrypted using the same< / span > < / div >
< div class = "line" > < a name = "l00342" > < / a > < span class = "lineno" > 342< / span >   < span class = "comment" > // key_id and key. Add the ability to encrypt using multiple key_id/keys.< / span > < / div >
< div class = "line" > < a name = "l00343" > < / a > < span class = "lineno" > 343< / span >   DCHECK(key);< / div >
< div class = "line" > < a name = "l00344" > < / a > < span class = "lineno" > 344< / span >   DCHECK(encryption_key_);< / div >
< div class = "line" > < a name = "l00345" > < / a > < span class = "lineno" > 345< / span >   *key = *encryption_key_;< / div >
< div class = "line" > < a name = "l00346" > < / a > < span class = "lineno" > 346< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / div >
< div class = "line" > < a name = "l00347" > < / a > < span class = "lineno" > 347< / span >   }< / div >
< div class = "line" > < a name = "l00348" > < / a > < span class = "lineno" > 348< / span >   < / div >
< div class = "line" > < a name = "l00349" > < / a > < span class = "lineno" > < a class = "line" href = "../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#a4005a0a96024a6918fb9f81a281ca131" > 349< / a > < / span >   < a class = "code" href = "../../d0/d93/classshaka_1_1media_1_1Status.html" > Status< / a > < a class = "code" href = "../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#a4005a0a96024a6918fb9f81a281ca131" > PlayReadyKeySource::GetCryptoPeriodKey< / a > (uint32_t crypto_period_index,< / div >
< div class = "line" > < a name = "l00350" > < / a > < span class = "lineno" > 350< / span >   TrackType track_type,< / div >
< div class = "line" > < a name = "l00351" > < / a > < span class = "lineno" > 351< / span >   < a class = "code" href = "../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html" > EncryptionKey< / a > * key) {< / div >
< div class = "line" > < a name = "l00352" > < / a > < span class = "lineno" > 352< / span >   < span class = "comment" > // TODO(robinconnell): Implement key rotation.< / span > < / div >
< div class = "line" > < a name = "l00353" > < / a > < span class = "lineno" > 353< / span >   *key = *encryption_key_;< / div >
< div class = "line" > < a name = "l00354" > < / a > < span class = "lineno" > 354< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / div >
< div class = "line" > < a name = "l00355" > < / a > < span class = "lineno" > 355< / span >   }< / div >
< div class = "line" > < a name = "l00356" > < / a > < span class = "lineno" > 356< / span >   < / div >
< div class = "line" > < a name = "l00357" > < / a > < span class = "lineno" > 357< / span >   } < span class = "comment" > // namespace media< / span > < / div >
< div class = "line" > < a name = "l00358" > < / a > < span class = "lineno" > 358< / span >   } < span class = "comment" > // namespace shaka< / span > < / div >
2017-02-11 02:48:58 +00:00
< div class = "ttc" id = "classshaka_1_1media_1_1Status_html_ac5d67e71539ca2f3589d3b2d4dc9ad60" > < div class = "ttname" > < a href = "../../d0/d93/classshaka_1_1media_1_1Status.html#ac5d67e71539ca2f3589d3b2d4dc9ad60" > shaka::media::Status::ToString< / a > < / div > < div class = "ttdeci" > std::string ToString() const < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../da/dc3/status_8cc_source.html#l00068" > status.cc:68< / a > < / div > < / div >
2017-01-25 04:09:00 +00:00
< div class = "ttc" id = "classshaka_1_1media_1_1PlayReadyKeySource_html_a2d85b64ad09aec73b84a26071a9c059e" > < div class = "ttname" > < a href = "../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#a2d85b64ad09aec73b84a26071a9c059e" > shaka::media::PlayReadyKeySource::PlayReadyKeySource< / a > < / div > < div class = "ttdeci" > PlayReadyKeySource(const std::string & server_url)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../da/dd0/playready__key__source_8cc_source.html#l00160" > playready_key_source.cc:160< / a > < / div > < / div >
< div class = "ttc" id = "classshaka_1_1media_1_1BufferWriter_html_abd8854feedd8b45146eb04dacf7d5b2f" > < div class = "ttname" > < a href = "../../dc/d41/classshaka_1_1media_1_1BufferWriter.html#abd8854feedd8b45146eb04dacf7d5b2f" > shaka::media::BufferWriter::AppendInt< / a > < / div > < div class = "ttdeci" > void AppendInt(uint8_t v)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../dd/dd3/buffer__writer_8cc_source.html#l00025" > buffer_writer.cc:25< / a > < / div > < / div >
< div class = "ttc" id = "classshaka_1_1media_1_1PlayReadyKeySource_html_a4005a0a96024a6918fb9f81a281ca131" > < div class = "ttname" > < a href = "../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#a4005a0a96024a6918fb9f81a281ca131" > shaka::media::PlayReadyKeySource::GetCryptoPeriodKey< / a > < / div > < div class = "ttdeci" > Status GetCryptoPeriodKey(uint32_t crypto_period_index, TrackType track_type, EncryptionKey *key) override< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../da/dd0/playready__key__source_8cc_source.html#l00349" > playready_key_source.cc:349< / a > < / div > < / div >
< div class = "ttc" id = "classshaka_1_1media_1_1BufferWriter_html" > < div class = "ttname" > < a href = "../../dc/d41/classshaka_1_1media_1_1BufferWriter.html" > shaka::media::BufferWriter< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../dd/dd2/buffer__writer_8h_source.html#l00022" > buffer_writer.h:22< / a > < / div > < / div >
< div class = "ttc" id = "classshaka_1_1media_1_1BufferWriter_html_ab3054a98a4ec27764c65511dc17a916d" > < div class = "ttname" > < a href = "../../dc/d41/classshaka_1_1media_1_1BufferWriter.html#ab3054a98a4ec27764c65511dc17a916d" > shaka::media::BufferWriter::Buffer< / a > < / div > < div class = "ttdeci" > const uint8_t * Buffer() const < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../dd/dd2/buffer__writer_8h_source.html#l00059" > buffer_writer.h:59< / a > < / div > < / div >
< div class = "ttc" id = "structshaka_1_1media_1_1EncryptionKey_html" > < div class = "ttname" > < a href = "../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html" > shaka::media::EncryptionKey< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../dc/d3f/key__source_8h_source.html#l00019" > key_source.h:19< / a > < / div > < / div >
< div class = "ttc" id = "classshaka_1_1media_1_1ProtectionSystemSpecificInfo_html" > < div class = "ttname" > < a href = "../../d0/dd4/classshaka_1_1media_1_1ProtectionSystemSpecificInfo.html" > shaka::media::ProtectionSystemSpecificInfo< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d6/d59/protection__system__specific__info_8h_source.html#l00019" > protection_system_specific_info.h:19< / a > < / div > < / div >
< div class = "ttc" id = "classshaka_1_1media_1_1PlayReadyKeySource_html_a425495104b43f26b94ae38794c608e96" > < div class = "ttname" > < a href = "../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#a425495104b43f26b94ae38794c608e96" > shaka::media::PlayReadyKeySource::GetKey< / a > < / div > < div class = "ttdeci" > Status GetKey(TrackType track_type, EncryptionKey *key) override< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../da/dd0/playready__key__source_8cc_source.html#l00329" > playready_key_source.cc:329< / a > < / div > < / div >
< div class = "ttc" id = "classshaka_1_1media_1_1PlayReadyKeySource_html_ab81121a70588e7a40e29ed30043f093d" > < div class = "ttname" > < a href = "../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#ab81121a70588e7a40e29ed30043f093d" > shaka::media::PlayReadyKeySource::FetchKeys< / a > < / div > < div class = "ttdeci" > Status FetchKeys(const std::vector< uint8_t > & pssh_box) override< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../da/dd0/playready__key__source_8cc_source.html#l00313" > playready_key_source.cc:313< / a > < / div > < / div >
2017-02-11 02:48:58 +00:00
< div class = "ttc" id = "classshaka_1_1media_1_1Status_html" > < div class = "ttname" > < a href = "../../d0/d93/classshaka_1_1media_1_1Status.html" > shaka::media::Status< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d1/d13/status_8h_source.html#l00085" > status.h:85< / a > < / div > < / div >
2017-01-25 04:09:00 +00:00
< div class = "ttc" id = "classshaka_1_1media_1_1PlayReadyKeySource_html_a4f539e8a54fef68aea5629489669508b" > < div class = "ttname" > < a href = "../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#a4f539e8a54fef68aea5629489669508b" > shaka::media::PlayReadyKeySource::CreateFromKeyAndKeyId< / a > < / div > < div class = "ttdeci" > static std::unique_ptr< PlayReadyKeySource > CreateFromKeyAndKeyId(const std::string & key_id_hex, const std::string & key_hex)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../da/dd0/playready__key__source_8cc_source.html#l00184" > playready_key_source.cc:184< / a > < / div > < / div >
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2017-01-25 04:09:00 +00:00
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