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< title > Shaka Packager SDK: packager/media/base/decryptor_source.cc Source File< / title >
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< div id = "projectname" > Shaka Packager SDK
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< li class = "navelem" > < a class = "el" href = "../../dir_3f8eec2fc361645de4b1ec14c19fffc7.html" > packager< / a > < / li > < li class = "navelem" > < a class = "el" href = "../../dir_f99dae54fe7170f791f339b952d5067a.html" > media< / a > < / li > < li class = "navelem" > < a class = "el" href = "../../dir_e3bda0bde998a4d5063328245b9909be.html" > base< / a > < / li > < / ul >
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< div class = "title" > decryptor_source.cc< / div > < / div >
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< div class = "fragment" > < div class = "line" > < a name = "l00001" > < / a > < span class = "lineno" > 1< / span >   < span class = "comment" > // Copyright 2016 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/decryptor_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 " packager/base/logging.h" < / span > < / div > < div class = "line" > < a name = "l00010" > < / a > < span class = "lineno" > 10< / span >   < span class = "preprocessor" > #include " packager/media/base/aes_decryptor.h" < / span > < / div > < div class = "line" > < a name = "l00011" > < / a > < span class = "lineno" > 11< / span >   < span class = "preprocessor" > #include " packager/media/base/aes_pattern_cryptor.h" < / span > < / div > < div class = "line" > < a name = "l00012" > < / a > < span class = "lineno" > 12< / span >   < / div > < div class = "line" > < a name = "l00013" > < / a > < span class = "lineno" > 13< / span >   < span class = "keyword" > namespace < / span > {< / div > < div class = "line" > < a name = "l00014" > < / a > < span class = "lineno" > 14< / span >   < span class = "comment" > // Return true if [encrypted_buffer, encrypted_buffer + buffer_size) overlaps< / span > < / div > < div class = "line" > < a name = "l00015" > < / a > < span class = "lineno" > 15< / span >   < span class = "comment" > // with [decrypted_buffer, decrypted_buffer + buffer_size).< / span > < / div > < div class = "line" > < a name = "l00016" > < / a > < span class = "lineno" > 16< / span >   < span class = "keywordtype" > bool< / span > CheckMemoryOverlap(< span class = "keyword" > const< / span > uint8_t* encrypted_buffer,< / div > < div class = "line" > < a name = "l00017" > < / a > < span class = "lineno" > 17< / span >   < span class = "keywordtype" > size_t< / span > buffer_size,< / div > < div class = "line" > < a name = "l00018" > < / a > < span class = "lineno" > 18< / span >   uint8_t* decrypted_buffer) {< / div > < div class = "line" > < a name = "l00019" > < / a > < span class = "lineno" > 19< / span >   < span class = "keywordflow" > return< / span > (decrypted_buffer < encrypted_buffer)< / div > < div class = "line" > < a name = "l00020" > < / a > < span class = "lineno" > 20< / span >   ? (encrypted_buffer < decrypted_buffer + buffer_size)< / div > < div class = "line" > < a name = "l00021" > < / a > < span class = "lineno" > 21< / span >   : (decrypted_buffer < encrypted_buffer + buffer_size);< / 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 = "comment" > // namespace< / span > < / div > < div class = "line" > < a name = "l00024" > < / a > < span class = "lineno" > 24< / span >   < / div > < div class = "line" > < a name = "l00025" > < / a > < span class = "lineno" > 25< / span >   < span class = "keyword" > namespace < / span > < a class = "code" href = "../../d8/daf/namespaceshaka.html" > shaka< / a > {< / div > < div class = "line" > < a name = "l00026" > < / a > < span class = "lineno" > 26< / span >   < span class = "keyword" > namespace < / span > media {< / div > < div class = "line" > < a name = "l00027" > < / a > < span class = "lineno" > 27< / span >   < / div > < div class = "line" > < a name = "l00028" > < / a > < span class = "lineno" > < a class = "line" href = "../../d7/d59/classshaka_1_1media_1_1DecryptorSource.html#a045c97bdeb9996d6003ac926849880c8" > 28< / a > < /span
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< div class = "ttc" id = "classshaka_1_1media_1_1DecryptorSource_html_a045c97bdeb9996d6003ac926849880c8" > < div class = "ttname" > < a href = "../../d7/d59/classshaka_1_1media_1_1DecryptorSource.html#a045c97bdeb9996d6003ac926849880c8" > shaka::media::DecryptorSource::DecryptorSource< / a > < / div > < div class = "ttdeci" > DecryptorSource(KeySource *key_source)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d1/d2a/decryptor__source_8cc_source.html#l00028" > decryptor_source.cc:28< / a > < / div > < / div >
< div class = "ttc" id = "classshaka_1_1media_1_1DecryptConfig_html" > < div class = "ttname" > < a href = "../../de/d49/classshaka_1_1media_1_1DecryptConfig.html" > shaka::media::DecryptConfig< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../df/dad/decrypt__config_8h_source.html#l00040" > decrypt_config.h:40< / a > < / div > < / div >
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< div class = "ttc" id = "classshaka_1_1media_1_1KeySource_html_af56c833453d65297c4dc96c9d2f83e1a" > < div class = "ttname" > < a href = "../../d1/d1f/classshaka_1_1media_1_1KeySource.html#af56c833453d65297c4dc96c9d2f83e1a" > shaka::media::KeySource::GetKey< / a > < / div > < div class = "ttdeci" > virtual Status GetKey(const std::string & stream_label, EncryptionKey *key)=0< / div > < / div >
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< div class = "ttc" id = "classshaka_1_1media_1_1AesCbcDecryptor_html" > < div class = "ttname" > < a href = "../../df/d2d/classshaka_1_1media_1_1AesCbcDecryptor.html" > shaka::media::AesCbcDecryptor< / a > < / div > < div class = "ttdoc" > Class which implements AES-CBC (Cipher block chaining) decryption. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d8/d4d/aes__decryptor_8h_source.html#l00025" > aes_decryptor.h:25< / a > < / div > < / div >
< div class = "ttc" id = "classshaka_1_1media_1_1DecryptorSource_html_a8a1bd6a5a63b3f3c54028b43dfc67a6d" > < div class = "ttname" > < a href = "../../d7/d59/classshaka_1_1media_1_1DecryptorSource.html#a8a1bd6a5a63b3f3c54028b43dfc67a6d" > shaka::media::DecryptorSource::DecryptSampleBuffer< / a > < / div > < div class = "ttdeci" > bool DecryptSampleBuffer(const DecryptConfig *decrypt_config, const uint8_t *encrypted_buffer, size_t buffer_size, uint8_t *decrypted_buffer)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d1/d2a/decryptor__source_8cc_source.html#l00034" > decryptor_source.cc:34< / a > < / div > < / div >
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< div class = "ttc" id = "namespaceshaka_html" > < div class = "ttname" > < a href = "../../d8/daf/namespaceshaka.html" > shaka< / a > < / div > < div class = "ttdoc" > All the methods that are virtual are virtual for mocking. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d4/d15/gflags__hex__bytes_8cc_source.html#l00011" > gflags_hex_bytes.cc:11< / a > < / div > < / div >
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< div class = "ttc" id = "classshaka_1_1media_1_1AesPatternCryptor_html_a54fd35d7782d3b4948c7eb68387711f0a76b19d202e22b2b0f661f933b47b3b16" > < div class = "ttname" > < a href = "../../d3/dfe/classshaka_1_1media_1_1AesPatternCryptor.html#a54fd35d7782d3b4948c7eb68387711f0a76b19d202e22b2b0f661f933b47b3b16" > shaka::media::AesPatternCryptor::kEncryptIfCryptByteBlockRemaining< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d6/d09/aes__pattern__cryptor_8h_source.html#l00026" > aes_pattern_cryptor.h:26< / a > < / div > < / div >
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< div class = "ttc" id = "classshaka_1_1Status_html" > < div class = "ttname" > < a href = "../../d2/d20/classshaka_1_1Status.html" > shaka::Status< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d1/d13/status_8h_source.html#l00110" > status.h:110< / 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#l00034" > key_source.h:34< / a > < / div > < / div >
< div class = "ttc" id = "classshaka_1_1media_1_1AesPatternCryptor_html" > < div class = "ttname" > < a href = "../../d3/dfe/classshaka_1_1media_1_1AesPatternCryptor.html" > shaka::media::AesPatternCryptor< / a > < / div > < div class = "ttdoc" > Implements pattern-based encryption/decryption. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d6/d09/aes__pattern__cryptor_8h_source.html#l00017" > aes_pattern_cryptor.h:17< / a > < / div > < / div >
< div class = "ttc" id = "classshaka_1_1media_1_1AesCtrEncryptor_html" > < div class = "ttname" > < a href = "../../d0/dd8/classshaka_1_1media_1_1AesCtrEncryptor.html" > shaka::media::AesCtrEncryptor< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d1/df0/aes__encryptor_8h_source.html#l00042" > aes_encryptor.h:42< / a > < / div > < / div >
< div class = "ttc" id = "classshaka_1_1media_1_1AesCryptor_html_a4875146da4761bb757d6b00132ae6fea" > < div class = "ttname" > < a href = "../../df/d87/classshaka_1_1media_1_1AesCryptor.html#a4875146da4761bb757d6b00132ae6fea" > shaka::media::AesCryptor::SetIv< / a > < / div > < div class = "ttdeci" > bool SetIv(const std::vector< uint8_t > & iv)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d6/d55/aes__cryptor_8cc_source.html#l00067" > aes_cryptor.cc:67< / a > < / div > < / div >
< div class = "ttc" id = "classshaka_1_1media_1_1KeySource_html" > < div class = "ttname" > < a href = "../../d1/d1f/classshaka_1_1media_1_1KeySource.html" > shaka::media::KeySource< / a > < / div > < div class = "ttdoc" > KeySource is responsible for encryption key acquisition. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../dc/d3f/key__source_8h_source.html#l00045" > key_source.h:45< / a > < / div > < / div >
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