公开(公告)号：US08861361B2

公开(公告)日：2014-10-14

申请号：US13612529

申请日：2012-09-12

申请人： Han Seung Koo ,  Dong Joon Choi ,  Nam Ho Hur

发明人： Han Seung Koo ,  Dong Joon Choi ,  Nam Ho Hur

IPC分类号： H04L12/26 ,  H04L12/803 ,  H04L12/28

CPC分类号： H04L47/125 ,  H04L12/2801

摘要： An apparatus and method for fast load balancing bandwidth allocation based on a binary search may be provided, wherein the apparatus may include a bandwidth allocation request receiving unit to receive a bandwidth allocation request signal from at least one modem, and a bandwidth allocation processing unit to allocate a bandwidth to an upstream channel of the at least one modem, using a load balancing algorithm, in response to the received bandwidth allocation request signal.

摘要翻译： 可以提供一种用于基于二进制搜索的用于快速负载平衡带宽分配的装置和方法，其中所述装置可以包括带宽分配请求接收单元，用于从至少一个调制解调器接收带宽分配请求信号，以及带宽分配处理单元， 响应于所接收的带宽分配请求信号，使用负载平衡算法，将所述带宽分配给所述至少一个调制解调器的上行信道。

公开(公告)号：US08789088B2

公开(公告)日：2014-07-22

申请号：US13077470

申请日：2011-03-31

申请人： Han-Seung Koo ,  O-Hyung Kwon ,  Dong-Joon Choi ,  Soo-In Lee

发明人： Han-Seung Koo ,  O-Hyung Kwon ,  Dong-Joon Choi ,  Soo-In Lee

IPC分类号： H04N7/16 ,  H04N7/167 ,  H04N21/418

CPC分类号： H04N7/1675 ,  H04N21/23617 ,  H04N21/4181 ,  H04N21/4383 ,  H04N21/4433 ,  H04N21/4627 ,  H04N21/8193

摘要： A method for installing different security clients for channels in a terminal in a conditional access system includes: searching one or more channels searchable in the terminal; requesting, for respective searched channels, security clients necessary for receiving pay programs to be transmitted through the searched channels, to a broadcasting station which takes charge of the searched channels; and downloading and installing, for respective searched channels, the requested security clients from the broadcasting station.

摘要翻译： 一种用于在条件访问系统中的终端中安装用于信道的不同安全客户端的方法包括：搜索终端中可搜索的一个或多个信道; 向相应搜索的频道请求用于接收通过所搜索的频道发送的付费节目所需的安全客户机，向负责搜索的频道的广播电台请求; 并且从各广播台下载和安装所请求的安全客户端。

公开(公告)号：US08621218B2

公开(公告)日：2013-12-31

申请号：US12330729

申请日：2008-12-09

申请人： Eun Jung Kwon ,  Han Seung Koo ,  Soon Choul Kim ,  Young Ho Jeong ,  Heejeong Kim ,  O Hyung Kwon ,  Soo In Lee

发明人： Eun Jung Kwon ,  Han Seung Koo ,  Soon Choul Kim ,  Young Ho Jeong ,  Heejeong Kim ,  O Hyung Kwon ,  Soo In Lee

IPC分类号： H04L9/32 ,  G06F7/04

CPC分类号： H04L9/085 ,  H04L9/0869 ,  H04L9/321 ,  H04L9/3273 ,  H04L2209/56 ,  H04N7/1675 ,  H04N21/26613

摘要： Disclosed is a mutual authentication method and apparatus in a CAS including a headend system and DCAS host. In particular, example embodiments relate to a mutual authentication method and apparatus in DCAS, wherein the mutual authentication is performed between an authentication server of the headend system and an SM of a DCAS host, and then CAS software is downloaded to the SM. According to the example embodiments, there is provided a mutual authentication protocol between the authentication server of the headend and the SM of the DCAS host in a cable network, and also provided a mutual authentication method and apparatus in the DCAS where a substantial authentication based on a hardware, such as a smart card or a cable card, is not needed.

摘要翻译： 公开了一种包括前端系统和DCAS主机的CAS中的相互认证方法和装置。 特别地，示例性实施例涉及DCAS中的相互认证方法和装置，其中在头端系统的认证服务器和DCAS主机的SM之间执行相互认证，然后将CAS软件下载到SM。 根据示例性实施例，在有线网络中提供前端的认证服务器和DCAS主机的SM之间的相互认证协议，并且还提供了在DCAS中的相互认证方法和装置，其中基于 不需要诸如智能卡或有线卡的硬件。

公开(公告)号：US20110247032A1

公开(公告)日：2011-10-06

申请号：US13077470

申请日：2011-03-31

申请人： Han-Seung KOO ,  O-Hyung KWON ,  Dong-Joon CHOI ,  Soo-In LEE

发明人： Han-Seung KOO ,  O-Hyung KWON ,  Dong-Joon CHOI ,  Soo-In LEE

IPC分类号： H04N7/16

CPC分类号： H04N7/1675 ,  H04N21/23617 ,  H04N21/4181 ,  H04N21/4383 ,  H04N21/4433 ,  H04N21/4627 ,  H04N21/8193

摘要： A method for installing different security clients for channels in a terminal in a conditional access system includes: searching one or more channels searchable in the terminal; requesting, for respective searched channels, security clients necessary for receiving pay programs to be transmitted through the searched channels, to a broadcasting station which takes charge of the searched channels; and downloading and installing, for respective searched channels, the requested security clients from the broadcasting station.

摘要翻译： 一种用于在条件访问系统中的终端中安装用于信道的不同安全客户端的方法包括：搜索终端中可搜索的一个或多个信道; 向相应搜索的频道请求用于接收通过所搜索的频道发送的付费节目所需的安全客户机，向负责搜索的频道的广播电台请求; 并且从各广播台下载和安装所请求的安全客户端。

公开(公告)号：US08019300B2

公开(公告)日：2011-09-13

申请号：US12273176

申请日：2008-11-18

申请人： Yang Su Kim ,  Han Seung Koo ,  Doh-Wook Kim ,  Yun Jeong Song ,  Soo In Lee

发明人： Yang Su Kim ,  Han Seung Koo ,  Doh-Wook Kim ,  Yun Jeong Song ,  Soo In Lee

IPC分类号： H04B1/18 ,  H04B17/02

CPC分类号： H04B1/0053

摘要： Provided are a multi-channel tuning receiver, including: a broadband radio frequency (RF) tuner to receive a broadband signal, divide the broadband signal into a plurality of signals, tune the divided signals, combine the tuned signals into a single signal, and output the combined single signal; an analog-to-digital (A/D) converter to convert the combined single signal to digital signal; a channelizer to extract only a bonded channel from the digital signal; and a plurality of demodulators to demodulate the bonded channel, and a multi-channel tuning method thereof.

摘要翻译： 提供了一种多通道调谐接收机，包括：宽带射频（RF）调谐器，用于接收宽带信号，将宽带信号划分为多个信号，调谐分频信号，将调谐信号组合成单个信号;以及 输出组合单信号; 用于将组合的单个信号转换成数字信号的模拟（A / D）转换器; 信道化器，从数字信号中仅提取绑定信道; 以及多个解调器来解调接合信道，以及多信道调谐方法。

公开(公告)号：US20110051933A1

公开(公告)日：2011-03-03

申请号：US12812995

申请日：2009-11-23

申请人： Han-seung Koo ,  O-Hyung Kwon ,  Soo-in Lee

发明人： Han-seung Koo ,  O-Hyung Kwon ,  Soo-in Lee

IPC分类号： H04L9/08 ,  H04L9/00

CPC分类号： H04N21/4623 ,  H04L9/0844 ,  H04L9/321 ,  H04L9/3249 ,  H04L9/3268 ,  H04L63/04 ,  H04L2209/603 ,  H04L2209/76 ,  H04L2463/101 ,  H04N21/43853 ,  H04N21/44236

摘要： The present invention relates to a technology of paring a secure micro (SM) and a transport processor (TP) in a downloadable conditional access system (DCAS). More specifically, predetermined security components generated by a trusted authority which is a certificate authority are previously embedded into the SM and the TP, and pairing between the SM and the TP is performed by association of the security components with the TA. Accordingly, safe pairing can be assured and the leakage of security information from the SM by malicious hacking can be prevented.

摘要翻译： 本发明涉及在可下载条件访问系统（DCAS）中对安全微（SM）和传输处理器（TP）进行编译的技术。 更具体地说，由作为认证机构的信任机构产生的预定安全性部件预先嵌入到SM和TP中，并且通过安全组件与TA的关联来执行SM与TP之间的配对。 因此，可以确保安全配对，并且可以防止恶意黑客从SM泄漏安全信息。

公开(公告)号：US20100162353A1

公开(公告)日：2010-06-24

申请号：US12613630

申请日：2009-11-06

申请人： Han Seung KOO ,  Woongshik YOU ,  O Hyung KWON ,  Soo In LEE

发明人： Han Seung KOO ,  Woongshik YOU ,  O Hyung KWON ,  Soo In LEE

IPC分类号： H04L9/32

CPC分类号： H04L63/0815 ,  H04L63/126 ,  H04N21/26613 ,  H04N21/63345 ,  H04N21/63775

摘要： A terminal authentication apparatus and method in a Downloadable Conditional Access System (DCAS) is provided. The terminal authentication method may determine whether terminal authentication information, received from a DCAS terminal, is valid by referring to a database, may transmit DCAS image information and pairing information about the terminal authentication information to a user terminal, when the terminal authentication information is valid, and thereby may enable the DCAS terminal to set the user terminal based on the pairing information.

摘要翻译： 提供了一种可下载条件访问系统（DCAS）中的终端认证装置和方法。 终端认证方法可以通过参考数据库来确定从DCAS终端接收的终端认证信息是否有效，当终端认证信息有效时，可以向用户终端发送DCAS图像信息和关于终端认证信息的配对信息 从而可以使得DCAS终端能够基于配对信息来设置用户终端。

公开(公告)号：US20090144539A1

公开(公告)日：2009-06-04

申请号：US12246663

申请日：2008-10-07

申请人： Young Ho JEONG ,  Soon Choul KIM ,  Heejeong KIM ,  Eun Jung KWON ,  Han Seung KOO ,  O Hyung KWON ,  Soo In LEE

发明人： Young Ho JEONG ,  Soon Choul KIM ,  Heejeong KIM ,  Eun Jung KWON ,  Han Seung KOO ,  O Hyung KWON ,  Soo In LEE

IPC分类号： H04L9/00

CPC分类号： H04L9/321 ,  G06F21/33 ,  H04L9/083 ,  H04L9/3273 ,  H04L2209/76 ,  H04N7/1675 ,  H04N21/2541 ,  H04N21/42623 ,  H04N21/63345 ,  H04N21/8193 ,  H04N21/835

摘要： A method of operating a headend system for a downloadable conditional access service, the method including: receiving, by an Authentication Proxy (AP) server, basic authentication information from a Downloadable Conditional Access System (DCAS) host, the basic authentication information being required to authenticate the DCAS host; transmitting, by the AP server, the basic authentication information to an external trusted authority device which authenticates the DCAS host; generating, by the AP server, a session key for encrypting/decrypting a secure micro client using a session key sharing factor; obtaining, by the AP server, download-related information of the secure micro client from a DCAS Provisioning Server (DPS); and commanding, by the AP server, an Integrated Personalization System (IPS) server to download the secure micro client to the DCAS host based on the download-related information, the secure micro client being encrypted by the session key.

摘要翻译： 一种操作用于可下载条件访问服务的头端系统的方法，所述方法包括：由认证代理（AP）服务器从可下载条件访问系统（DCAS）主机接收基本认证信息，所述基本认证信息需要 验证DCAS主机; 由AP服务器将基本认证信息发送给认证DCAS主机的外部可信管理设备; 由AP服务器生成用于使用会话密钥共享因子加密/解密安全微客户端的会话密钥; 由AP服务器从DCAS配给服务器（DPS）获取安全微客户端的下载相关信息; 并且由AP服务器命令集成个性化系统（IPS）服务器，以便基于下载相关信息将安全微客户端下载到DCAS主机，安全微客户端被会话密钥加密。

公开(公告)号：US20050144634A1

公开(公告)日：2005-06-30

申请号：US10971167

申请日：2004-10-22

申请人： Han-Seung Koo ,  O-Hyung Kwon ,  Soo-In Lee

发明人： Han-Seung Koo ,  O-Hyung Kwon ,  Soo-In Lee

IPC分类号： H04K1/00 ,  H04L9/00 ,  H04N7/167

CPC分类号： H04N21/63775 ,  H04N7/1675 ,  H04N21/2347 ,  H04N21/2543 ,  H04N21/26613 ,  H04N21/2668 ,  H04N21/4405 ,  H04N21/4627 ,  H04N21/47211 ,  H04N21/6581 ,  H04N21/8355

摘要： Disclosed is a method for providing a pay-TV service based on a session key. The method includes the steps of: selecting a desired pay event using a program guide displayed on a system of the subscriber and achieving a subscriber private key; filling out a service application based on service information, signing the service application based on a digital signature scheme and encrypting the digital signed service application; transmitting the encrypted service application to a broadcasting station and waiting a response of the broadcasting station; receiving a session key and a subscription authority message from the broadcasting station, decrypting the session key and the subscription authority message and verifying the digital signature; decrypting a channel key, achieving a control word, descrambling event audio/video streams and watching the event; and if the event is terminated or the session key is not effective, stopping watching the event and deleting the session key.

摘要翻译： 公开了一种基于会话密钥提供付费电视服务的方法。 该方法包括以下步骤：使用在订户的系统上显示的节目指南来选择所需的付费事件并实现用户私钥; 基于服务信息填写服务应用程序，基于数字签名方案签署服务应用程序，加密数字签名服务应用程序; 将加密的服务应用发送到广播站并等待广播电台的响应; 从广播站接收会话密钥和订阅授权消息，解密会话密钥和订阅授权消息并验证数字签名; 解密通道密钥，实现控制字，解扰事件音频/视频流并观看事件; 如果事件终止或会话密钥无效，则停止观察事件并删除会话密钥。

公开(公告)号：US20100235626A1

公开(公告)日：2010-09-16

申请号：US12719928

申请日：2010-03-09

申请人： Eun Jung KWON ,  Han Seung KOO ,  Soon Choul KIM ,  Heejeong KIM ,  Young Ho JEONG ,  O Hyung KWON ,  Soo In LEE

发明人： Eun Jung KWON ,  Han Seung KOO ,  Soon Choul KIM ,  Heejeong KIM ,  Young Ho JEONG ,  O Hyung KWON ,  Soo In LEE

IPC分类号： H04L9/32 ,  H04N7/167

CPC分类号： H04N7/1675 ,  H04L9/083 ,  H04L9/321 ,  H04L9/3273 ,  H04N21/25816 ,  H04N21/26613 ,  H04N21/4623 ,  H04N21/8193

摘要： A mutual authentication apparatus in a Downloadable Conditional Access System (DCAS) includes an announce protocol processor to authenticate SecurityAnnounce information using an Authentication Proxy (AP) and to transmit the authenticated SecurityAnnounce information to a Secure Micro (SM), a keying protocol processor to relay KeyRequest information and KeyResponse information between a Trusted Authority (TA) and the SM in response to the SecurityAnnounce information, a decryption unit to decrypt the KeyResponse information using the SM, an authentication protocol processor to determine whether a first encryption key of the KeyResponse information is identical to a second encryption key generated by the AP, and a download protocol processor to control DownloadInfo to be transmitted from the AP to the SM, the DownloadInfo permitting the SM to download SM Client Image information.

摘要翻译： 可下载条件接入系统（DCAS）中的相互认证装置包括通知协议处理器，用于使用认证代理（AP）来认证安全宣告信息，并将认证的安全公告信息发送到安全微型（SM），密钥协议处理器进行中继 响应于SecurityAnnounce信息的可信管理机构（TA）和SM之间的KeyRequest信息和KeyResponse信息，使用SM解密KeyResponse信息的解密单元，用于确定KeyResponse信息的第一加密密钥是否为 与由AP产生的第二加密密钥相同，以及下载协议处理器，用于控制从AP到SM的下载信息，所述下载信息允许SM下载SM客户端映像信息。