Tag generation method in broadcast encryption system
    1.
    发明授权
    Tag generation method in broadcast encryption system 有权
    广播加密系统中的标签生成方法

    公开(公告)号:US09571213B2

    公开(公告)日:2017-02-14

    申请号:US13538886

    申请日:2012-06-29

    IPC分类号: H04L29/06 H04H60/15 H04L9/32

    摘要: A tag generation method for generating tags used in data packets in a broadcast encryption system is provided. The method includes detecting at least one revoked leaf node; setting a node identification (node ID) assigned to at least one node among nodes assigned node IDs at a layer 0 and to which the at least one revoked leaf node is subordinate, to a node path identification (NPID) of the at least one revoked leaf node at the layer 0; generating a tag list in the layer 0 by combining the NPID of each of the at least one revoked leaf nodes at the layer 0 in order of increment of node IDs of the corresponding at least one revoked leaf nodes; and generating a tag list in a lowest layer by repeatedly performing the setting and generation operation down to the lowest layer.

    摘要翻译: 提供一种用于在广播加密系统中生成用于数据分组的标签的标签生成方法。 该方法包括检测至少一个撤销的叶节点; 将分配给层0的所有节点ID的节点和所述至少一个被撤销的叶节点从属的节点标识(节点ID)分配给所述至少一个已被吊销的节点路径标识(NPID) 第0层的叶节点; 通过将对应的至少一个被撤销的叶节点的节点ID的增量的顺序组合在层0上的至少一个撤销的叶节点中的每个的NPID,生成层0中的标签列表; 以及通过重复执行到最下层的设置和生成操作来在最下层中生成标签列表。

    Method for authorizing contents play rights in use of a recording medium
    2.
    发明授权
    Method for authorizing contents play rights in use of a recording medium 失效
    使用记录介质授权内容播放权利的方法

    公开(公告)号:US08566958B2

    公开(公告)日:2013-10-22

    申请号:US11407147

    申请日:2006-04-20

    IPC分类号: H04L29/06

    摘要: A method for authorizing an off-line image device to play contents in use of a recording medium, including recording an encrypted key on a recording medium; recording contents on the recording medium using the encrypted key; and recording information as to a play right to play the contents recorded on the recording medium. Thus, the off-line image device can be authorized to play contents in use of the recording medium. As a result, the off-line image device can play contents that are recorded on the recording medium and must be authorized to play the contents.

    摘要翻译: 一种用于授权离线图像设备在使用记录介质中播放内容的方法,包括将记录加密的密钥存储在记录介质上; 使用加密密钥在记录介质上记录内容; 以及记录关于播放权的信息,以播放记录在记录介质上的内容。 因此,离线图像设备可以被授权播放使用记录介质的内容。 结果,离线图像设备可以播放记录在记录介质上并且必须被授权播放内容的内容。

    Radio frequency identification (RFID) tag encryption method and system using broadcast encryption (BE) scheme
    4.
    发明授权
    Radio frequency identification (RFID) tag encryption method and system using broadcast encryption (BE) scheme 有权
    射频识别(RFID)标签加密方法和使用广播加密(BE)方案的系统

    公开(公告)号:US07576651B2

    公开(公告)日:2009-08-18

    申请号:US11511360

    申请日:2006-08-29

    IPC分类号: G08B13/14

    摘要: A radio frequency identification (RFID) tag encryption method and system using a broadcast encryption (BE) scheme are provided by encrypting an ID of an RFID tag, storing the encrypted ID in a server and the RFID tag, and storing information relating to a reader authorized to read out the RFID tag in the server so that the reader can read out the RFID tag by decrypting the encrypted ID based on the encrypted ID information read from the RFID tag and the reader information. When readers read out ID data from the RFID tag, a privileged reader can read the data. Thus, it is possible to block unintended information leakage to the readers. In addition, user usability can be enhanced since an attacker cannot perform an access lock on the RFID tag.

    摘要翻译: 使用广播加密(BE)方式的射频识别(RFID)标签加密方法和系统通过加密RFID标签的ID,将加密的ID存储在服务器和RFID标签中,并且存储与读取器有关的信息 被授权在服务器中读出RFID标签,以便读取器可以基于从RFID标签读取的加密的ID信息和读取器信息解密加密的ID来读出RFID标签。 当读者从RFID标签读出ID数据时,特权读取器可以读取数据。 因此,有可能将意外的信息泄露给读者。 此外,由于攻击者无法对RFID标签执行访问锁定,因此可以增强用户可用性。

    Radio frequency identification (RFID) tag encryption method and system using broadcast encryption (BE) scheme
    5.
    发明申请
    Radio frequency identification (RFID) tag encryption method and system using broadcast encryption (BE) scheme 有权
    射频识别(RFID)标签加密方法和使用广播加密(BE)方案的系统

    公开(公告)号:US20070052523A1

    公开(公告)日:2007-03-08

    申请号:US11511360

    申请日:2006-08-29

    IPC分类号: H04Q5/22

    摘要: A radio frequency identification (RFID) tag encryption method and system using a broadcast encryption (BE) scheme are provided by encrypting an ID of an RFID tag, storing the encrypted ID in a server and the RFID tag, and storing information relating to a reader authorized to read out the RFID tag in the server so that the reader can read out the RFID tag by decrypting the encrypted ID based on the encrypted ID information read from the RFID tag and the reader information. When readers read out ID data from the RFID tag, a privileged reader can read the data. Thus, it is possible to block unintended information leakage to the readers. In addition, user usability can be enhanced since an attacker cannot perform an access lock on the RFID tag.

    摘要翻译: 使用广播加密(BE)方式的射频识别(RFID)标签加密方法和系统通过加密RFID标签的ID,将加密的ID存储在服务器和RFID标签中,并且存储与读取器有关的信息 被授权在服务器中读出RFID标签,以便读取器可以基于从RFID标签读取的加密的ID信息和读取器信息解密加密的ID来读出RFID标签。 当读者从RFID标签读出ID数据时,特权读取器可以读取数据。 因此,有可能将意外的信息泄露给读者。 此外,由于攻击者无法对RFID标签执行访问锁定,因此可以增强用户可用性。

    Tag generation method in broadcast encryption system
    6.
    发明授权
    Tag generation method in broadcast encryption system 有权
    广播加密系统中的标签生成方法

    公开(公告)号:US08055896B2

    公开(公告)日:2011-11-08

    申请号:US11406254

    申请日:2006-04-19

    IPC分类号: H04L29/06

    摘要: A tag generation method for generating tags used in data packets in a broadcast encryption system is provided. The method includes detecting at least one revoked leaf node; setting a node identification (node ID) assigned to at least one node among nodes assigned node IDs at a layer 0 and to which the at least one revoked leaf node is subordinate, to a node path identification (NPID) of the at least one revoked leaf node at the layer 0; generating a tag list in the layer 0 by combining the NPID of each of the at least one revoked leaf nodes at the layer 0 in order of increment of node IDs of the corresponding at least one revoked leaf nodes; and generating a tag list in a lowest layer by repeatedly performing the setting and generation operation down to the lowest layer.

    摘要翻译: 提供一种用于在广播加密系统中生成用于数据分组的标签的标签生成方法。 该方法包括检测至少一个撤销的叶节点; 将分配给层0的所有节点ID的节点和所述至少一个被撤销的叶节点从属的节点标识(节点ID)分配给所述至少一个已被吊销的节点路径标识(NPID) 第0层的叶节点; 通过将对应的至少一个被撤销的叶节点的节点ID的增量的顺序组合在层0上的至少一个撤销的叶节点中的每个的NPID,生成层0中的标签列表; 以及通过重复执行到最下层的设置和生成操作来在最下层中生成标签列表。

    Radio frequency identification tag and radio frequency identification privacy protection system and method
    7.
    发明授权
    Radio frequency identification tag and radio frequency identification privacy protection system and method 有权
    射频识别标签和射频识别隐私保护系统及方法

    公开(公告)号:US07755469B2

    公开(公告)日:2010-07-13

    申请号:US11398710

    申请日:2006-04-06

    IPC分类号: H04Q5/22

    CPC分类号: H04L9/3271 H04L2209/805

    摘要: A radio frequency identification (RFID) tag, an RFID privacy protection system, and an RFID privacy protection method are provided. The RFID privacy protection method includes a pseudo identification (ID) used to authenticate the RFID reader and a key used to generate the pseudo ID are received; if the pseudo ID is received in response to an information request signal for reading information of the RFID tag comprising the pseudo ID, the key is transmitted; and if a pseudo ID generated using the key is equal to the pseudo ID received in response to the information request signal, an RFID of the RFID tag to read the information of the RFID tag is received.

    摘要翻译: 提供射频识别(RFID)标签,RFID隐私保护系统和RFID隐私保护方法。 RFID隐私保护方法包括用于认证RFID读取器的伪标识(ID)和用于生成伪ID的密钥; 如果响应于用于读取包含伪ID的RFID标签的信息的信息请求信号接收到伪ID,则发送密钥; 并且如果使用密钥生成的伪ID等于响应于信息请求信号而接收的伪ID,则接收RFID标签的用于读取RFID标签的信息的RFID。

    Radio frequency identification (RFID) tag encryption method and system using broadcast encryption (BE) scheme
    8.
    发明授权
    Radio frequency identification (RFID) tag encryption method and system using broadcast encryption (BE) scheme 有权
    射频识别(RFID)标签加密方法和使用广播加密(BE)方案的系统

    公开(公告)号:US07760096B2

    公开(公告)日:2010-07-20

    申请号:US12498390

    申请日:2009-07-07

    IPC分类号: G08B13/14 H04M1/66

    摘要: A radio frequency identification (RFID) tag encryption method and system using a broadcast encryption (BE) scheme are provided by encrypting an ID of an RFID tag, storing the encrypted ID in a server and the RFID tag, and storing information relating to a reader authorized to read out the RFID tag in the server so that the reader can read out the RFID tag by decrypting the encrypted ID based on the encrypted ID information read from the RFID tag and the reader information. When readers read out ID data from the RFID tag, a privileged reader can read the data. Thus, it is possible to block unintended information leakage to the readers. In addition, user usability can be enhanced since an attacker cannot perform an access lock on the RFID tag.

    摘要翻译: 使用广播加密(BE)方式的射频识别(RFID)标签加密方法和系统通过加密RFID标签的ID,将加密的ID存储在服务器和RFID标签中,并且存储与读取器有关的信息 被授权在服务器中读出RFID标签,以便读取器可以基于从RFID标签读取的加密的ID信息和读取器信息解密加密的ID来读出RFID标签。 当读者从RFID标签读出ID数据时,特权读取器可以读取数据。 因此,有可能将意外的信息泄露给读者。 此外,由于攻击者无法对RFID标签执行访问锁定,因此可以增强用户可用性。

    RFID tag, system for purchasing service by using RFID tag, and method thereof
    9.
    发明授权
    RFID tag, system for purchasing service by using RFID tag, and method thereof 有权
    RFID标签,使用RFID标签购买服务的系统及其方法

    公开(公告)号:US07486171B2

    公开(公告)日:2009-02-03

    申请号:US11353969

    申请日:2006-02-15

    IPC分类号: H04Q5/22

    摘要: An RFID tag used to purchase service related to the RFID tag containing purchase information, a service purchase system using the RFID tag, and a service purchase method thereof. The RFID tag provides content information, right information, and purchase information. Therefore, when purchasing service products such as contents, user convenience can be increased and reliability can be guaranteed.

    摘要翻译: 用于购买与包含购买信息的RFID标签相关的服务的RFID标签,使用RFID标签的服务购买系统及其服务购买方法。 RFID标签提供内容信息,正确信息和购买信息。 因此,在购买内容等服务产品时,可以提高用户的便利性,保证可靠性。

    Method for authorizing contents play rights in use of a recording medium
    10.
    发明申请
    Method for authorizing contents play rights in use of a recording medium 失效
    使用记录介质授权内容播放权利的方法

    公开(公告)号:US20070006251A1

    公开(公告)日:2007-01-04

    申请号:US11407147

    申请日:2006-04-20

    IPC分类号: H04N7/16

    摘要: A method for authorizing an off-line image device to play contents in use of a recording medium, including recording an encrypted key on a recording medium; recording contents on the recording medium using the encrypted key; and recording information as to a play right to play the contents recorded on the recording medium. Thus, the off-line image device can be authorized to play contents in use of the recording medium. As a result, the off-line image device can play contents that are recorded on the recording medium and must be authorized to play the contents.

    摘要翻译: 一种用于授权离线图像设备在使用记录介质中播放内容的方法,包括将记录加密的密钥存储在记录介质上; 使用加密密钥在记录介质上记录内容; 以及记录关于播放权的信息,以播放记录在记录介质上的内容。 因此,离线图像设备可以被授权播放使用记录介质的内容。 结果,离线图像设备可以播放记录在记录介质上并且必须被授权播放内容的内容。