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<li class="navelem"><a class="el" href="../../d8/daf/namespaceshaka.html">shaka</a></li><li class="navelem"><b>media</b></li><li class="navelem"><a class="el" href="../../d0/dac/classshaka_1_1media_1_1FixedKeySource.html">FixedKeySource</a></li> </ul>
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<a href="#pub-static-methods">Static Public Member Functions</a> &#124;
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<div class="title">shaka::media::FixedKeySource Class Reference</div> </div>
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<p>A key source that uses fixed keys for encryption.
<a href="../../d0/dac/classshaka_1_1media_1_1FixedKeySource.html#details">More...</a></p>
<p><code>#include &lt;<a class="el" href="../../d3/d72/fixed__key__source_8h_source.html">fixed_key_source.h</a>&gt;</code></p>
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Inheritance diagram for shaka::media::FixedKeySource:</div>
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<area href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html" title="KeySource is responsible for encryption key acquisition. " alt="shaka::media::KeySource" shape="rect" coords="0,0,184,24"/>
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<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr><td colspan="2"><div class="groupHeader">KeySource implementation overrides.</div></td></tr>
<tr class="memitem:a358b0955ecec61e6ce23611e2772265b"><td class="memItemLeft" align="right" valign="top"><a class="el" href="../../d0/d93/classshaka_1_1media_1_1Status.html">Status</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../d0/dac/classshaka_1_1media_1_1FixedKeySource.html#a358b0955ecec61e6ce23611e2772265b">FetchKeys</a> (const std::vector&lt; uint8_t &gt; &amp;pssh_box) override</td></tr>
<tr class="separator:a358b0955ecec61e6ce23611e2772265b"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aab2d8d84067ae5e778e3c242fec6dcb1"><td class="memItemLeft" align="right" valign="top"><a class="el" href="../../d0/d93/classshaka_1_1media_1_1Status.html">Status</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../d0/dac/classshaka_1_1media_1_1FixedKeySource.html#aab2d8d84067ae5e778e3c242fec6dcb1">FetchKeys</a> (const std::vector&lt; std::vector&lt; uint8_t &gt;&gt; &amp;key_ids) override</td></tr>
<tr class="separator:aab2d8d84067ae5e778e3c242fec6dcb1"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a4dd894ee7e68340771d34bb81dce0ae5"><td class="memItemLeft" align="right" valign="top"><a class="el" href="../../d0/d93/classshaka_1_1media_1_1Status.html">Status</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../d0/dac/classshaka_1_1media_1_1FixedKeySource.html#a4dd894ee7e68340771d34bb81dce0ae5">FetchKeys</a> (uint32_t asset_id) override</td></tr>
<tr class="separator:a4dd894ee7e68340771d34bb81dce0ae5"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a267d1f36d1c015fd5e8c20b93f270d0a"><td class="memItemLeft" align="right" valign="top"><a class="el" href="../../d0/d93/classshaka_1_1media_1_1Status.html">Status</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../d0/dac/classshaka_1_1media_1_1FixedKeySource.html#a267d1f36d1c015fd5e8c20b93f270d0a">GetKey</a> (TrackType track_type, <a class="el" href="../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html">EncryptionKey</a> *key) override</td></tr>
<tr class="separator:a267d1f36d1c015fd5e8c20b93f270d0a"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a58f9eae1ce9148a82f70118879b6c3f1"><td class="memItemLeft" align="right" valign="top"><a class="el" href="../../d0/d93/classshaka_1_1media_1_1Status.html">Status</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../d0/dac/classshaka_1_1media_1_1FixedKeySource.html#a58f9eae1ce9148a82f70118879b6c3f1">GetKey</a> (const std::vector&lt; uint8_t &gt; &amp;key_id, <a class="el" href="../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html">EncryptionKey</a> *key) override</td></tr>
<tr class="separator:a58f9eae1ce9148a82f70118879b6c3f1"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:afa9abf3a9104cbcb4711eac65c8a5bdf"><td class="memItemLeft" align="right" valign="top"><a class="el" href="../../d0/d93/classshaka_1_1media_1_1Status.html">Status</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../d0/dac/classshaka_1_1media_1_1FixedKeySource.html#afa9abf3a9104cbcb4711eac65c8a5bdf">GetCryptoPeriodKey</a> (uint32_t crypto_period_index, TrackType track_type, <a class="el" href="../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html">EncryptionKey</a> *key) override</td></tr>
<tr class="separator:afa9abf3a9104cbcb4711eac65c8a5bdf"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-static-methods"></a>
Static Public Member Functions</h2></td></tr>
<tr class="memitem:a091b4ea22419b73f8532db862f985f99"><td class="memItemLeft" align="right" valign="top">static scoped_ptr&lt; <a class="el" href="../../d0/dac/classshaka_1_1media_1_1FixedKeySource.html">FixedKeySource</a> &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../d0/dac/classshaka_1_1media_1_1FixedKeySource.html#a091b4ea22419b73f8532db862f985f99">CreateFromHexStrings</a> (const std::string &amp;key_id_hex, const std::string &amp;key_hex, const std::string &amp;pssh_boxes_hex, const std::string &amp;iv_hex)</td></tr>
<tr class="separator:a091b4ea22419b73f8532db862f985f99"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="inherit_header pub_static_methods_classshaka_1_1media_1_1KeySource"><td colspan="2" onclick="javascript:toggleInherit('pub_static_methods_classshaka_1_1media_1_1KeySource')"><img src="../../closed.png" alt="-"/>&#160;Static Public Member Functions inherited from <a class="el" href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html">shaka::media::KeySource</a></td></tr>
<tr class="memitem:a0963412e7ee33d0e34893ebdf38d96c1 inherit pub_static_methods_classshaka_1_1media_1_1KeySource"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a0963412e7ee33d0e34893ebdf38d96c1"></a>
static TrackType&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html#a0963412e7ee33d0e34893ebdf38d96c1">GetTrackTypeFromString</a> (const std::string &amp;track_type_string)</td></tr>
<tr class="memdesc:a0963412e7ee33d0e34893ebdf38d96c1 inherit pub_static_methods_classshaka_1_1media_1_1KeySource"><td class="mdescLeft">&#160;</td><td class="mdescRight">Convert string representation of track type to enum representation. <br/></td></tr>
<tr class="separator:a0963412e7ee33d0e34893ebdf38d96c1 inherit pub_static_methods_classshaka_1_1media_1_1KeySource"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a4f9cede7a8c1678e1fac93c8fe12aa75 inherit pub_static_methods_classshaka_1_1media_1_1KeySource"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a4f9cede7a8c1678e1fac93c8fe12aa75"></a>
static std::string&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html#a4f9cede7a8c1678e1fac93c8fe12aa75">TrackTypeToString</a> (TrackType track_type)</td></tr>
<tr class="memdesc:a4f9cede7a8c1678e1fac93c8fe12aa75 inherit pub_static_methods_classshaka_1_1media_1_1KeySource"><td class="mdescLeft">&#160;</td><td class="mdescRight">Convert TrackType to string. <br/></td></tr>
<tr class="separator:a4f9cede7a8c1678e1fac93c8fe12aa75 inherit pub_static_methods_classshaka_1_1media_1_1KeySource"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="inherited"></a>
Additional Inherited Members</h2></td></tr>
<tr class="inherit_header pub_types_classshaka_1_1media_1_1KeySource"><td colspan="2" onclick="javascript:toggleInherit('pub_types_classshaka_1_1media_1_1KeySource')"><img src="../../closed.png" alt="-"/>&#160;Public Types inherited from <a class="el" href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html">shaka::media::KeySource</a></td></tr>
<tr class="memitem:a2bb2755c69385800fa57172e262befdd inherit pub_types_classshaka_1_1media_1_1KeySource"><td class="memItemLeft" align="right" valign="top">enum &#160;</td><td class="memItemRight" valign="bottom"><b>TrackType</b> { <br/>
&#160;&#160;<b>TRACK_TYPE_UNKNOWN</b> = 0,
<b>TRACK_TYPE_SD</b> = 1,
<b>TRACK_TYPE_HD</b> = 2,
<b>TRACK_TYPE_AUDIO</b> = 3,
<br/>
&#160;&#160;<b>TRACK_TYPE_UNSPECIFIED</b> = 4,
<b>NUM_VALID_TRACK_TYPES</b> = 4
<br/>
}</td></tr>
<tr class="separator:a2bb2755c69385800fa57172e262befdd inherit pub_types_classshaka_1_1media_1_1KeySource"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>A key source that uses fixed keys for encryption. </p>
<p>Definition at line <a class="el" href="../../d3/d72/fixed__key__source_8h_source.html#l00027">27</a> of file <a class="el" href="../../d3/d72/fixed__key__source_8h_source.html">fixed_key_source.h</a>.</p>
</div><h2 class="groupheader">Member Function Documentation</h2>
<a class="anchor" id="a091b4ea22419b73f8532db862f985f99"></a>
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<td class="memname">scoped_ptr&lt; <a class="el" href="../../d0/dac/classshaka_1_1media_1_1FixedKeySource.html">FixedKeySource</a> &gt; shaka::media::FixedKeySource::CreateFromHexStrings </td>
<td>(</td>
<td class="paramtype">const std::string &amp;&#160;</td>
<td class="paramname"><em>key_id_hex</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const std::string &amp;&#160;</td>
<td class="paramname"><em>key_hex</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const std::string &amp;&#160;</td>
<td class="paramname"><em>pssh_boxes_hex</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const std::string &amp;&#160;</td>
<td class="paramname"><em>iv_hex</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">static</span></span> </td>
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<p>Creates a new <a class="el" href="../../d0/dac/classshaka_1_1media_1_1FixedKeySource.html" title="A key source that uses fixed keys for encryption. ">FixedKeySource</a> from the given hex strings. Returns null if the strings are invalid. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">key_id_hex</td><td>is the key id in hex string. </td></tr>
<tr><td class="paramname">key_hex</td><td>is the key in hex string. </td></tr>
<tr><td class="paramname">pssh_boxes_hex</td><td>is the pssh_boxes in hex string. </td></tr>
<tr><td class="paramname">iv_hex</td><td>is the IV in hex string. If not specified, a randomly generated IV with the default length will be used. Note: GetKey on the created key source will always return the same key for all track types. </td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="../../d3/d6b/fixed__key__source_8cc_source.html#l00084">84</a> of file <a class="el" href="../../d3/d6b/fixed__key__source_8cc_source.html">fixed_key_source.cc</a>.</p>
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<td class="memname"><a class="el" href="../../d0/d93/classshaka_1_1media_1_1Status.html">Status</a> shaka::media::FixedKeySource::FetchKeys </td>
<td>(</td>
<td class="paramtype">const std::vector&lt; uint8_t &gt; &amp;&#160;</td>
<td class="paramname"><em>pssh_box</em></td><td>)</td>
<td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">override</span><span class="mlabel">virtual</span></span> </td>
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</div><div class="memdoc">
<p>Fetch keys for CENC from the key server. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">pssh_box</td><td>The entire PSSH box for the content to be decrypted </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>OK on success, an error status otherwise. </dd></dl>
<p>Implements <a class="el" href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html#aca6ecdac6ebc131d3626b765f64cb2de">shaka::media::KeySource</a>.</p>
<p>Definition at line <a class="el" href="../../d3/d6b/fixed__key__source_8cc_source.html#l00017">17</a> of file <a class="el" href="../../d3/d6b/fixed__key__source_8cc_source.html">fixed_key_source.cc</a>.</p>
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<td class="memname"><a class="el" href="../../d0/d93/classshaka_1_1media_1_1Status.html">Status</a> shaka::media::FixedKeySource::FetchKeys </td>
<td>(</td>
<td class="paramtype">const std::vector&lt; std::vector&lt; uint8_t &gt;&gt; &amp;&#160;</td>
<td class="paramname"><em>key_ids</em></td><td>)</td>
<td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
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<p>Fetch keys for CENC from the key server. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">key_ids</td><td>the key IDs for the keys to fetch from the server. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>OK on success, an error status otherwise. </dd></dl>
<p>Implements <a class="el" href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html#a42df88c1cdb415e7844eea18222692bb">shaka::media::KeySource</a>.</p>
<p>Definition at line <a class="el" href="../../d3/d6b/fixed__key__source_8cc_source.html#l00022">22</a> of file <a class="el" href="../../d3/d6b/fixed__key__source_8cc_source.html">fixed_key_source.cc</a>.</p>
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<td class="memname"><a class="el" href="../../d0/d93/classshaka_1_1media_1_1Status.html">Status</a> shaka::media::FixedKeySource::FetchKeys </td>
<td>(</td>
<td class="paramtype">uint32_t&#160;</td>
<td class="paramname"><em>asset_id</em></td><td>)</td>
<td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">override</span><span class="mlabel">virtual</span></span> </td>
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<p>Fetch keys for WVM decryption from the key server. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">asset_id</td><td>is the Widevine Classic asset ID for the content to be decrypted. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>OK on success, an error status otherwise. </dd></dl>
<p>Implements <a class="el" href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html#ad1c8f986a88647813f0e43a9b80d057e">shaka::media::KeySource</a>.</p>
<p>Definition at line <a class="el" href="../../d3/d6b/fixed__key__source_8cc_source.html#l00028">28</a> of file <a class="el" href="../../d3/d6b/fixed__key__source_8cc_source.html">fixed_key_source.cc</a>.</p>
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<td class="memname"><a class="el" href="../../d0/d93/classshaka_1_1media_1_1Status.html">Status</a> shaka::media::FixedKeySource::GetCryptoPeriodKey </td>
<td>(</td>
<td class="paramtype">uint32_t&#160;</td>
<td class="paramname"><em>crypto_period_index</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">TrackType&#160;</td>
<td class="paramname"><em>track_type</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html">EncryptionKey</a> *&#160;</td>
<td class="paramname"><em>key</em>&#160;</td>
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<td>)</td>
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<span class="mlabels"><span class="mlabel">override</span><span class="mlabel">virtual</span></span> </td>
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<p>Get encryption key of the specified track type at the specified index. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">crypto_period_index</td><td>is the sequence number of the key rotation period for which the key is being retrieved. </td></tr>
<tr><td class="paramname">track_type</td><td>is the type of track for which retrieving the key. </td></tr>
<tr><td class="paramname">key</td><td>is a pointer to the <a class="el" href="../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html">EncryptionKey</a> which will hold the retrieved key. Owner retains ownership, and may not be NULL. </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>OK on success, an error status otherwise. </dd></dl>
<p>Implements <a class="el" href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html#a18806b962c858e35ed07753687605b16">shaka::media::KeySource</a>.</p>
<p>Definition at line <a class="el" href="../../d3/d6b/fixed__key__source_8cc_source.html#l00054">54</a> of file <a class="el" href="../../d3/d6b/fixed__key__source_8cc_source.html">fixed_key_source.cc</a>.</p>
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<td class="memname"><a class="el" href="../../d0/d93/classshaka_1_1media_1_1Status.html">Status</a> shaka::media::FixedKeySource::GetKey </td>
<td>(</td>
<td class="paramtype">TrackType&#160;</td>
<td class="paramname"><em>track_type</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html">EncryptionKey</a> *&#160;</td>
<td class="paramname"><em>key</em>&#160;</td>
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<p>Get encryption key of the specified track type. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">track_type</td><td>is the type of track for which retrieving the key. </td></tr>
<tr><td class="paramname">key</td><td>is a pointer to the <a class="el" href="../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html">EncryptionKey</a> which will hold the retrieved key. Owner retains ownership, and may not be NULL. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>OK on success, an error status otherwise. </dd></dl>
<p>Implements <a class="el" href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html#a994eb66cf09d8b08fd1c964f6afd3ab3">shaka::media::KeySource</a>.</p>
<p>Definition at line <a class="el" href="../../d3/d6b/fixed__key__source_8cc_source.html#l00033">33</a> of file <a class="el" href="../../d3/d6b/fixed__key__source_8cc_source.html">fixed_key_source.cc</a>.</p>
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<td class="memname"><a class="el" href="../../d0/d93/classshaka_1_1media_1_1Status.html">Status</a> shaka::media::FixedKeySource::GetKey </td>
<td>(</td>
<td class="paramtype">const std::vector&lt; uint8_t &gt; &amp;&#160;</td>
<td class="paramname"><em>key_id</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html">EncryptionKey</a> *&#160;</td>
<td class="paramname"><em>key</em>&#160;</td>
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<td>)</td>
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<p>Get the encryption key specified by the CENC key ID. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">key_id</td><td>is the unique identifier for the key being retreived. </td></tr>
<tr><td class="paramname">key</td><td>is a pointer to the <a class="el" href="../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html">EncryptionKey</a> which will hold the retrieved key. Owner retains ownership, and may not be NULL. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>OK on success, or an error status otherwise. </dd></dl>
<p>Implements <a class="el" href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html#ae33f2cdbd045572095acd7b8d6c1a789">shaka::media::KeySource</a>.</p>
<p>Definition at line <a class="el" href="../../d3/d6b/fixed__key__source_8cc_source.html#l00040">40</a> of file <a class="el" href="../../d3/d6b/fixed__key__source_8cc_source.html">fixed_key_source.cc</a>.</p>
</div>
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<hr/>The documentation for this class was generated from the following files:<ul>
<li>media/base/<a class="el" href="../../d3/d72/fixed__key__source_8h_source.html">fixed_key_source.h</a></li>
<li>media/base/<a class="el" href="../../d3/d6b/fixed__key__source_8cc_source.html">fixed_key_source.cc</a></li>
</ul>
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