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    • 7. 发明授权
    • Use of SNMP for management of small footprint devices
    • 使用SNMP管理小尺寸的设备
    • US09032058B2
    • 2015-05-12
    • US12480505
    • 2009-06-08
    • Scott B. Guthery
    • Scott B. Guthery
    • G06F15/173H04L12/24H04L29/06
    • H04L41/0213H04L63/0853
    • Methods, devices, and systems are provided for managing and controlling small footprint devices with a lightweight control protocol, such as SNMP. Relatively small control messages are employed that have a compact command portion included in an object identifier portion, thereby circumventing the need for a separate command portion as well as a data body. Also, methods, devices, and systems for improving the security and privacy of processing SNMP messages on SNMP-managed devices by moving this processing together with the sensitive data that the process employ such a cryptographic keys inside the tamper-resistant and tamper-evident boundary of an integrated circuit card.
    • 提供了方法,设备和系统,用于通过轻量级的控制协议(如SNMP)来管理和控制小尺寸的设备。 使用相对小的控制消息,其具有包括在对象标识符部分中的紧凑命令部分,从而避免了对单独的命令部分以及数据主体的需要。 另外,通过将该处理与敏感数据一起移动到处理SNMP管理的设备上的SNMP消息的安全性和隐私的方法,设备和系统,该过程在防篡改和防篡改边界内采用这样的加密密钥 的集成电路卡。
    • 9. 发明授权
    • Communications network with smart card
    • 通讯网络与智能卡
    • US08316157B2
    • 2012-11-20
    • US12507036
    • 2009-07-21
    • Scott B. Guthery
    • Scott B. Guthery
    • G06F15/16
    • H04L63/08G06F21/606G06F2221/2153H04L29/06H04L63/0853H04L67/04H04L69/22H04L69/329H04W12/08
    • Methods and systems are disclosed to enable a smart card having relatively low data rate and low computational power to control a high data rate communications channel without degradation of performance. The smart card and an associated monitor/interface, which can be implemented in a network access device, are interposed between transmitting and receiving nodes in a network, and configured to intervene when conditions of rules stored in the smart card are met. For example, the smart card can intervene when a packet header indicates sufficient change in information, such as the exceeding of a predefined threshold or a requirement for user authorization/authentication. In one mode of regulating packet flow, the smart card selectively enables or disables packet transmission, reception, or both, according to the rules stored therein. In another mode, the smart card, upon activation, provides rules and modifications for packet data, headers, or both. The rules and modifications can implement communication policies of the entity providing communication services to the user of the services, and can be stored in the smart card to prevent alteration or tampering.
    • 公开了方法和系统,以使具有相对较低数据速率和低计算能力的智能卡能够在不降低性能的情况下控制高数据速率通信信道。 可以在网络访问设备中实现的智能卡和相关联的监视器/接口被插入在网络中的发送和接收节点之间,并且被配置为在满足存储在智能卡中的规则的条件时进行干预。 例如,当数据包头表示信息的充分变化,例如超过预定阈值或用户授权/认证要求时,智能卡可以进行干预。 在一种调节分组流的模式中,智能卡根据其中存储的规则选择性地启用或禁用分组传输,接收或两者。 在另一种模式下,智能卡在激活时为分组数据,报头或两者提供规则和修改。 规则和修改可以实现向服务用户提供通信服务的实体的通信策略,并且可以存储在智能卡中以防止改变或篡改。