SMARTPHONE-BASED CONDITIONAL ACCESS SYSTEM

Techniques for a smartphone-based conditional access (CA) system are described. In some embodiments, a head end in the CA system obtains a security profile associated with a pair of receiving devices used by a user, e.g., a first device (e.g., a smartphone) and a second device (e.g., a set-top-box o...

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Hauptverfasser:	MAROM ROTEM, DEVIR MICHAL IRIT, REINMAN TZACHY EARL
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY PICTORIAL COMMUNICATION, e.g. TELEVISION TELEPHONIC COMMUNICATION TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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creator	MAROM ROTEM DEVIR MICHAL IRIT REINMAN TZACHY EARL
description	Techniques for a smartphone-based conditional access (CA) system are described. In some embodiments, a head end in the CA system obtains a security profile associated with a pair of receiving devices used by a user, e.g., a first device (e.g., a smartphone) and a second device (e.g., a set-top-box or a TV). The head end dynamically regulates user access to requested media content during each entitlement period by assigning and distributing separate keys to the first and second device based on the security profile. The head end also uses the distributed keys to protect the media content before broadcasting. On the receiving end, one receiving device receives the media content and determines whether it is decryptable by the device. If decryptable, the receiving device (e.g., the set-top-box/TV) decrypts the media content using the keys assigned by the head end. Otherwise, the receiving device forwards the media content to the pairing device for decryption. 描述了用于基于智能电话的有条件访问(CA)系统的技术。在一些实施方案中，CA系统中的前端获得与用户使用的一对接
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In some embodiments, a head end in the CA system obtains a security profile associated with a pair of receiving devices used by a user, e.g., a first device (e.g., a smartphone) and a second device (e.g., a set-top-box or a TV). The head end dynamically regulates user access to requested media content during each entitlement period by assigning and distributing separate keys to the first and second device based on the security profile. The head end also uses the distributed keys to protect the media content before broadcasting. On the receiving end, one receiving device receives the media content and determines whether it is decryptable by the device. If decryptable, the receiving device (e.g., the set-top-box/TV) decrypts the media content using the keys assigned by the head end. Otherwise, the receiving device forwards the media content to the pairing device for decryption. 描述了用于基于智能电话的有条件访问(CA)系统的技术。在一些实施方案中，CA系统中的前端获得与用户使用的一对接</description><language>chi ; eng</language><subject>ELECTRIC COMMUNICATION TECHNIQUE ; ELECTRICITY ; PICTORIAL COMMUNICATION, e.g. TELEVISION ; TELEPHONIC COMMUNICATION ; TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION</subject><creationdate>2021</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20211012&DB=EPODOC&CC=CN&NR=113497960A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20211012&DB=EPODOC&CC=CN&NR=113497960A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MAROM ROTEM</creatorcontrib><creatorcontrib>DEVIR MICHAL IRIT</creatorcontrib><creatorcontrib>REINMAN TZACHY EARL</creatorcontrib><title>SMARTPHONE-BASED CONDITIONAL ACCESS SYSTEM</title><description>Techniques for a smartphone-based conditional access (CA) system are described. In some embodiments, a head end in the CA system obtains a security profile associated with a pair of receiving devices used by a user, e.g., a first device (e.g., a smartphone) and a second device (e.g., a set-top-box or a TV). The head end dynamically regulates user access to requested media content during each entitlement period by assigning and distributing separate keys to the first and second device based on the security profile. The head end also uses the distributed keys to protect the media content before broadcasting. On the receiving end, one receiving device receives the media content and determines whether it is decryptable by the device. If decryptable, the receiving device (e.g., the set-top-box/TV) decrypts the media content using the keys assigned by the head end. Otherwise, the receiving device forwards the media content to the pairing device for decryption. 描述了用于基于智能电话的有条件访问(CA)系统的技术。在一些实施方案中，CA系统中的前端获得与用户使用的一对接</description><subject>ELECTRIC COMMUNICATION TECHNIQUE</subject><subject>ELECTRICITY</subject><subject>PICTORIAL COMMUNICATION, e.g. TELEVISION</subject><subject>TELEPHONIC COMMUNICATION</subject><subject>TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2021</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZNAK9nUMCgnw8Pdz1XVyDHZ1UXD293PxDPH093P0UXB0dnYNDlYIjgwOcfXlYWBNS8wpTuWF0twMim6uIc4euqkF-fGpxQWJyal5qSXxzn6GhsYmluaWZgaOxsSoAQBjLSTZ</recordid><startdate>20211012</startdate><enddate>20211012</enddate><creator>MAROM ROTEM</creator><creator>DEVIR MICHAL IRIT</creator><creator>REINMAN TZACHY EARL</creator><scope>EVB</scope></search><sort><creationdate>20211012</creationdate><title>SMARTPHONE-BASED CONDITIONAL ACCESS SYSTEM</title><author>MAROM ROTEM ; DEVIR MICHAL IRIT ; REINMAN TZACHY EARL</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN113497960A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2021</creationdate><topic>ELECTRIC COMMUNICATION TECHNIQUE</topic><topic>ELECTRICITY</topic><topic>PICTORIAL COMMUNICATION, e.g. TELEVISION</topic><topic>TELEPHONIC COMMUNICATION</topic><topic>TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION</topic><toplevel>online_resources</toplevel><creatorcontrib>MAROM ROTEM</creatorcontrib><creatorcontrib>DEVIR MICHAL IRIT</creatorcontrib><creatorcontrib>REINMAN TZACHY EARL</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>MAROM ROTEM</au><au>DEVIR MICHAL IRIT</au><au>REINMAN TZACHY EARL</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>SMARTPHONE-BASED CONDITIONAL ACCESS SYSTEM</title><date>2021-10-12</date><risdate>2021</risdate><abstract>Techniques for a smartphone-based conditional access (CA) system are described. In some embodiments, a head end in the CA system obtains a security profile associated with a pair of receiving devices used by a user, e.g., a first device (e.g., a smartphone) and a second device (e.g., a set-top-box or a TV). The head end dynamically regulates user access to requested media content during each entitlement period by assigning and distributing separate keys to the first and second device based on the security profile. The head end also uses the distributed keys to protect the media content before broadcasting. On the receiving end, one receiving device receives the media content and determines whether it is decryptable by the device. If decryptable, the receiving device (e.g., the set-top-box/TV) decrypts the media content using the keys assigned by the head end. Otherwise, the receiving device forwards the media content to the pairing device for decryption. 描述了用于基于智能电话的有条件访问(CA)系统的技术。在一些实施方案中，CA系统中的前端获得与用户使用的一对接</abstract><oa>free_for_read</oa></addata></record>
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language	chi ; eng
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subjects	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY PICTORIAL COMMUNICATION, e.g. TELEVISION TELEPHONIC COMMUNICATION TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
title	SMARTPHONE-BASED CONDITIONAL ACCESS SYSTEM
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