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1.发明申请BINDING OF CRYPTOGRAPHIC CONTENT USING UNIQUE DEVICE CHARACTERISTICS WITH SERVER HEURISTICS 有权使用具有服务器整理的独特设备特征的结构内容的绑定公开(公告)号：US20130007467A1
公开(公告)日：2013-01-03
申请号：US13339315
申请日：2011-12-28
IPC分类号： G06F12/14
CPC分类号： G06F21/10 , G06F2221/0704
摘要： Systems and methods for binding of cryptographic content using unique device characteristics with server heuristics in accordance with embodiments of the invention are disclosed. One embodiment includes a processor and memory includes collecting a combination of device characteristics that uniquely identify the device using information stored on the device and accessible to the device using the device processor, generating device match data based upon the collected combination of device characteristics using the device processor, generating a device protection key using the device match data, encrypting the cryptographic data using the device protection key, and storing the encrypted cryptographic data in device memory using the device processor.
摘要翻译： 公开了根据本发明的实施例的使用独特的设备特征与服务器启发式法进行加密内容的绑定的系统和方法。 一个实施例包括处理器和存储器，其包括采集设备特性的组合，其使用存储在设备上的信息来唯一地识别设备并且可以使用设备处理器对设备进行访问，基于所收集的设备特性的组合使用设备生成设备匹配数据 处理器，使用设备匹配数据生成设备保护密钥，使用设备保护密钥加密密码数据，以及使用设备处理器将加密的密码数据存储在设备存储器中。
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公开(公告)号：US20130007471A1
公开(公告)日：2013-01-03
申请号：US13436930
申请日：2012-03-31
CPC分类号： G06F21/10 , H04L2463/121
摘要： Systems and methods for authenticating playback devices using timestamp validation in accordance with embodiments of the invention are disclosed. One embodiment includes securely storing at least one timestamp in memory within a playback device in response to the occurrence of at least one predetermined event, where a stored timestamp is based on the current time of a system clock when an event occurs, generating a cryptographic key using the at least one timestamp, securing cryptographic data using the cryptographic key, receiving a request to playback encrypted content, where the encrypted content is accessible using the cryptographic data, accessing the at least one timestamp, generating the cryptographic key, accessing the cryptographic data using at least the cryptographic key, and playing back the content using the playback device.
摘要翻译： 公开了使用根据本发明的实施例的使用时间戳验证的用于认证回放设备的系统和方法。 一个实施例包括响应于至少一个预定事件的发生，将重放设备内的至少一个时间戳安全地存储在存储器中，其中存储的时间戳基于事件发生时系统时钟的当前时间，产生加密密钥 使用所述至少一个时间戳记，使用所述加密密钥保护加密数据，接收对所述加密内容进行回放的请求，其中使用所述加密数据访问所述加密的内容，访问所述至少一个时间戳，生成所述加密密钥，访问所述加密数据 至少使用加密密钥，并使用回放设备回放内容。
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3.发明授权公开(公告)号：US09721071B2
公开(公告)日：2017-08-01
申请号：US13339315
申请日：2011-12-28
CPC分类号： G06F21/10 , G06F2221/0704
摘要： Systems and methods for binding of cryptographic content using unique device characteristics with server heuristics in accordance with embodiments of the invention are disclosed. One embodiment includes a processor and memory includes collecting a combination of device characteristics that uniquely identify the device using information stored on the device and accessible to the device using the device processor, generating device match data based upon the collected combination of device characteristics using the device processor, generating a device protection key using the device match data, encrypting the cryptographic data using the device protection key, and storing the encrypted cryptographic data in device memory using the device processor.
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公开(公告)号：US08938625B2
公开(公告)日：2015-01-20
申请号：US13436930
申请日：2012-03-31
CPC分类号： G06F21/10 , H04L2463/121
摘要： Systems and methods for authenticating playback devices using timestamp validation in accordance with embodiments of the invention are disclosed. One embodiment includes securely storing at least one timestamp in memory within a playback device in response to the occurrence of at least one predetermined event, where a stored timestamp is based on the current time of a system clock when an event occurs, generating a cryptographic key using the at least one timestamp, securing cryptographic data using the cryptographic key, receiving a request to playback encrypted content, where the encrypted content is accessible using the cryptographic data, accessing the at least one timestamp, generating the cryptographic key, accessing the cryptographic data using at least the cryptographic key, and playing back the content using the playback device.
摘要翻译： 公开了使用根据本发明的实施例的使用时间戳验证的用于认证回放设备的系统和方法。 一个实施例包括响应于至少一个预定事件的发生，将重放设备内的至少一个时间戳安全地存储在存储器中，其中存储的时间戳基于事件发生时系统时钟的当前时间，产生加密密钥 使用所述至少一个时间戳记，使用所述加密密钥保护加密数据，接收对所述加密内容进行回放的请求，其中使用所述加密数据访问所述加密的内容，访问所述至少一个时间戳，生成所述加密密钥，访问所述加密数据 至少使用加密密钥，并使用回放设备回放内容。
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5.发明授权Systems and methods for protecting alternative streams in adaptive bitrate streaming systems 有权用于保护自适应比特率流系统中的替代流的系统和方法公开(公告)号：US08918636B2
公开(公告)日：2014-12-23
申请号：US13341265
申请日：2011-12-30
CPC分类号： H04N21/2347 , H04L9/0819 , H04L9/0822 , H04L9/0861 , H04L9/14 , H04L9/32 , H04L63/0428 , H04L2209/603 , H04N21/2541 , H04N21/4408 , H04N21/4627 , H04N21/6334 , H04N21/64715
摘要： Systems and methods for performing adaptive bitrate streaming using alternative streams of protected content in accordance with embodiments of the invention are described. One embodiment includes a processor, and non-volatile storage containing an encoding application. In addition, the encoding application configures the processor to: receive source content; obtain common cryptographic information; encode the source content as a plurality of streams including a plurality of alternative streams of content; and protect the plurality of alternative streams of content using the common cryptographic information.
摘要翻译： 描述了根据本发明的实施例的使用受保护内容的替代流来执行自适应比特率流的系统和方法。 一个实施例包括处理器和包含编码应用的非易失性存储器。 另外，编码应用将处理器配置为：接收源内容; 获取通用加密信息; 将源内容编码为包括多个替代的内容流的多个流; 并且使用公共密码信息来保护多个替代的内容流。
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公开(公告)号：US20130061045A1
公开(公告)日：2013-03-07
申请号：US13340623
申请日：2011-12-29
IPC分类号： H04L9/00
CPC分类号： H04N21/2347 , H04L9/0819 , H04L9/0822 , H04L9/0861 , H04L9/14 , H04L9/32 , H04L63/0428 , H04L2209/603 , H04N21/2541 , H04N21/4408 , H04N21/4627 , H04N21/6334 , H04N21/64715
摘要： Systems and methods for performing adaptive bitrate streaming using alternative streams of protected content in accordance with embodiments of the invention are described. One embodiment of the invention includes a processor, and memory containing a client application. In addition, the client application configures the processor to: request a top level index file identifying a plurality of alternative streams of protected content, where each of the alternative streams of protected content are encrypted using common cryptographic information; obtain the common cryptographic information; request portions of content from at least the plurality of alternative streams of protected content; access the protected content using the common cryptographic information; and playback the content.
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7.发明申请SYSTEMS AND METHODS FOR PROTECTING ALTERNATIVE STREAMS IN ADAPTIVE BITRATE STREAMING SYSTEMS 有权用于保护自适应双极化流系统中的替代流量的系统和方法公开(公告)号：US20130061040A1
公开(公告)日：2013-03-07
申请号：US13341265
申请日：2011-12-30
CPC分类号： H04N21/2347 , H04L9/0819 , H04L9/0822 , H04L9/0861 , H04L9/14 , H04L9/32 , H04L63/0428 , H04L2209/603 , H04N21/2541 , H04N21/4408 , H04N21/4627 , H04N21/6334 , H04N21/64715
摘要： Systems and methods for performing adaptive bitrate streaming using alternative streams of protected content in accordance with embodiments of the invention are described. One embodiment includes a processor, and non-volatile storage containing an encoding application. In addition, the encoding application configures the processor to: receive source content; obtain common cryptographic information; encode the source content as a plurality of streams including a plurality of alternative streams of content; and protect the plurality of alternative streams of content using the common cryptographic information.
摘要翻译： 描述了根据本发明的实施例的使用受保护内容的替代流来执行自适应比特率流的系统和方法。 一个实施例包括处理器和包含编码应用的非易失性存储器。 另外，编码应用将处理器配置为：接收源内容; 获取通用加密信息; 将源内容编码为包括多个替代的内容流的多个流; 并且使用公共密码信息来保护多个替代的内容流。
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8.发明授权Systems and methods for playing back alternative streams of protected content protected using common cryptographic information 有权用于回放使用公共密码信息保护的受保护内容的备用流的系统和方法公开(公告)号：US08909922B2
公开(公告)日：2014-12-09
申请号：US13340623
申请日：2011-12-29
CPC分类号： H04N21/2347 , H04L9/0819 , H04L9/0822 , H04L9/0861 , H04L9/14 , H04L9/32 , H04L63/0428 , H04L2209/603 , H04N21/2541 , H04N21/4408 , H04N21/4627 , H04N21/6334 , H04N21/64715
摘要： Systems and methods for performing adaptive bitrate streaming using alternative streams of protected content in accordance with embodiments of the invention are described. One embodiment of the invention includes a processor, and memory containing a client application. In addition, the client application configures the processor to: request a top level index file identifying a plurality of alternative streams of protected content, where each of the alternative streams of protected content are encrypted using common cryptographic information; obtain the common cryptographic information; request portions of content from at least the plurality of alternative streams of protected content; access the protected content using the common cryptographic information; and playback the content.
摘要翻译： 描述了根据本发明的实施例的使用受保护内容的替代流来执行自适应比特率流的系统和方法。 本发明的一个实施例包括处理器和包含客户端应用的存储器。 此外，客户端应用程序将处理器配置为：请求标识被保护内容的多个替代流的顶级索引文件，其中使用公共密码信息对受保护内容的每个替代流进行加密; 获取通用的加密信息; 从至少所述保护内容的多个备选流中请求内容的一部分; 使用公共密码信息访问受保护的内容; 并播放内容。
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公开(公告)号：US08656183B2
公开(公告)日：2014-02-18
申请号：US13489409
申请日：2012-06-05
IPC分类号： G06F21/22
CPC分类号： G06F21/10 , G06F21/105 , G06F2221/0724 , H04L9/3268 , H04L63/0428 , H04N21/222 , H04N21/26606 , H04N21/26613 , H04N21/4627 , H04N21/8355
摘要： Federated systems for issuing playback certifications granting access to technically protected content are described. One embodiment of the system includes a registration server connected to a network, a content server connected to the network and to a trusted system, a first device including a non-volatile memory that is connected to the network and a second device including a non-volatile memory that is connected to the network. In addition, the registration server is configured to provide the first device with a first set of activation information in a first format, the first device is configured to store the first set of activation information in non-volatile memory, the registration server is configured to provide the second device with a second set of activation information in a second format, and the second device is configured to store the second set of activation information in non-volatile memory.
摘要翻译： 描述了授予访问技术保护内容的播放认证的联合系统。 系统的一个实施例包括连接到网络的注册服务器，连接到网络和可信系统的内容服务器，包括连接到网络的非易失性存储器的第一设备和包括非易失性存储器的第二设备， 连接到网络的易失性存储器。 此外，注册服务器被配置为向第一设备提供第一格式的第一组激活信息，第一设备被配置为将第一组激活信息存储在非易失性存储器中，注册服务器被配置为 以第二格式向第二设备提供第二组激活信息，并且第二设备被配置为将第二组激活信息存储在非易失性存储器中。
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10.发明申请SYSTEMS AND METHODS FOR DEVICE AUTHENTICATION INCLUDING TIMESTAMP VALIDATION 审中-公开用于设备验证的系统和方法，包括TIMESTAMP验证公开(公告)号：US20130004142A1
公开(公告)日：2013-01-03
申请号：US13436927
申请日：2012-03-31
IPC分类号： H04N5/93
CPC分类号： H04N5/913 , H04N21/2541 , H04N21/25816 , H04N21/44204 , H04N21/4627 , H04N2005/91364
摘要： Systems and methods for authenticating playback devices using timestamp validation in accordance with embodiments of the invention are disclosed. One embodiment includes measuring a time difference between the system clock and a clock on a remote server, retrieving at least one reference time difference from the playback device, where the reference time difference is stored in the playback device, determining whether the system clock of the playback device is valid by comparing the measured time difference to reference time difference, retrieving at least one timestamp when the measured time difference is valid, where each of the at least one timestamps is securely stored by the playback device in response to the occurrence of a predetermined event and is based on the current time of the system clock of the playback device when the predetermined event occurred, and determining whether the system clock is valid based upon the retrieved timestamp.
摘要翻译： 公开了使用根据本发明的实施例的使用时间戳验证的用于认证回放设备的系统和方法。 一个实施例包括测量系统时钟和远程服务器上的时钟之间的时间差，从回放设备检索至少一个参考时间差，其中参考时间差被存储在回放设备中，确定系统时钟是否为 播放装置通过将所测量的时间差与参考时间差进行比较而获得是有效的，当所测量的时间差有效时，至少检索一个时间戳，其中至少一个时间戳中的每一个被回放装置安全地存储以响应于 并且基于当预定事件发生时回放设备的系统时钟的当前时间，并且基于检索到的时间戳来确定系统时钟是否有效。
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