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    • 33. 发明授权
    • Method and apparatus for cryptographic key storage wherein key servers are authenticated by possession and secure distribution of stored keys
    • 用于加密密钥存储的方法和装置,其中密钥服务器通过拥有和安全分发所存储的密钥进行认证
    • US07711122B2
    • 2010-05-04
    • US10093881
    • 2002-03-08
    • Robert AllenRobert A. JerdonekJohn WangTom Wu
    • Robert AllenRobert A. JerdonekJohn WangTom Wu
    • H04L9/08H04L9/32
    • H04L9/083H04L9/0825H04L9/0897H04L9/3228
    • A key management system includes secured data stored on a first system secured by a control key stored securely on a key server. The secured data is secured against attacks such as unauthorized use, modification or access, where authorization to access the secured data is determined by knowledge of an access private key of an access key pair. When an authorized user is to access the secured data, the first system generates a request to the key server, signed with the access private key, wherein the request is for a decryption control key and the request includes a one-time public key of a key pair generated by the first system for the request. The first system can decrypt the decryption control key from the response, using a one-time private key. The first system can then decrypt the secured data with the decryption control key remaining secured in transport.
    • 密钥管理系统包括存储在由安全地存储在密钥服务器上的控制密钥保护的第一系统上的安全数据。 安全数据是针对诸如未授权使用,修改或访问之类的攻击而进行的,其中访问安全数据的授权通过访问密钥对的访问私钥的知识来确定。 当授权用户访问安全数据时,第一系统生成对密钥服务器的请求,该密钥服务器用访问私钥签名,其中该请求是用于解密控制密钥,并且该请求包括一个一次性公开密钥 密钥对由第一个系统生成的请求。 第一系统可以使用一次性私钥从响应中解密解密控制密钥。 然后,第一系统可以利用解密控制密钥在传输中保持固定来解密安全数据。
    • 39. 发明授权
    • System having a power adapter that generates a data signal based on the state of a external power source that is used to manage the power consumption of a CPU
    • 具有电源适配器的系统,其基于用于管理CPU的功耗的外部电源的状态生成数据信号
    • US07243246B2
    • 2007-07-10
    • US10741400
    • 2003-12-19
    • Robert AllenWilliam O. Bain
    • Robert AllenWilliam O. Bain
    • G06F1/00
    • G06F1/26
    • A system and method for determining the type of power source supplying electrical power to a power adapter for a portable computer. In an embodiment of the invention, a power adapter for a portable computer is provided with a first power identification circuit for generating system information relating to operation on an AC power source and a second power identification circuit for generating system information relating to operation on a DC power source. A power source detector is operable to detect whether the electrical power supplied to the power adapter is AC or DC power and to enable the first or second power identification circuit, respectively, thereby generating a data signal indicating the respective type of power source. The data signal is provided to a subsystem manager in the computer to allow identification of the type of external power source. The information regarding the type of external power source can be used by the portable computer to control various operating parameters, including the charging state of the battery and the power consumption levels of various system components.
    • 一种用于确定为便携式计算机的电源适配器提供电力的电源类型的系统和方法。 在本发明的一个实施例中,用于便携式计算机的电源适配器设置有第一电力识别电路,用于产生与AC电源上的操作相关的系统信息,以及用于产生与在DC上的操作有关的系统信息的第二电力识别电路 能量源。 电源检测器可操作以检测提供给电力适配器的电力是AC或DC电力,并且分别启用第一或第二电力识别电路,从而产生指示各种类型的电源的数据信号。 数据信号被提供给计算机中的子系统管理器以允许识别外部电源的类型。 关于外部电源的类型的信息可以由便携式计算机用于控制各种操作参数,包括电池的充电状态和各种系统组件的功率消耗水平。