COMPUTING - SYSTEM IDENTIFIER USING SOFTWARE EXTRACTION OF MANUFACTURING VARIABILITY
    2.
    发明申请
    COMPUTING - SYSTEM IDENTIFIER USING SOFTWARE EXTRACTION OF MANUFACTURING VARIABILITY 失效
    计算机 - 使用软件提取制造变量的系统标识符

    公开(公告)号:US20120011704A1

    公开(公告)日:2012-01-19

    申请号:US12838021

    申请日:2010-07-16

    IPC分类号: H05K13/04

    CPC分类号: G06F21/73 H04L9/3278

    摘要: A system for generating a computing system specific value comprising, a computing system not comprising any specialized hardware to generate a device specific value, a software product tangibly embodied in a machine-readable medium, comprising instructions operable to cause computing system to perform operations comprising: generating a digital value which is substantially dependent on manufacturing variation among like devices of computing system.

    摘要翻译: 一种用于生成计算系统特定值的系统,包括:不包括用于生成设备特定值的任何专用硬件的计算系统;有形地体现在机器可读介质中的软件产品,包括可操作以使计算系统执行操作的指令,包括: 产生基本上取决于计算系统的类似设备之间的制造变化的数字值。

    Computing-system identifier using software extraction of manufacturing variability
    3.
    发明授权
    Computing-system identifier using software extraction of manufacturing variability 失效
    使用软件提取制造变异性的计算系统标识符

    公开(公告)号:US08694687B2

    公开(公告)日:2014-04-08

    申请号:US12838021

    申请日:2010-07-16

    IPC分类号: G06F3/00

    CPC分类号: G06F21/73 H04L9/3278

    摘要: A system for generating a computing system specific value comprising, a computing system not comprising any specialized hardware to generate a device specific value, a software product tangibly embodied in a machine-readable medium, comprising instructions operable to cause computing system to perform operations comprising: generating a digital value which is substantially dependent on manufacturing variation among like devices of computing system.

    摘要翻译: 一种用于生成计算系统特定值的系统,包括:不包括用于生成设备特定值的任何专用硬件的计算系统;有形地体现在机器可读介质中的软件产品,包括可操作以使计算系统执行操作的指令,包括: 产生基本上取决于计算系统的类似设备之间的制造变化的数字值。

    METHOD AND APPARATUS FOR FINGERPRINTING AND COPY PROTECTING OPTICAL RECORDING MEDIA
    5.
    发明申请
    METHOD AND APPARATUS FOR FINGERPRINTING AND COPY PROTECTING OPTICAL RECORDING MEDIA 审中-公开
    用于指纹和复制保护光学记录介质的方法和装置

    公开(公告)号:US20110007893A1

    公开(公告)日:2011-01-13

    申请号:US12831518

    申请日:2010-07-07

    IPC分类号: G06F21/24 H04L9/28

    摘要: A method for generating a unique identity for objects having measurable properties. The teachings include deriving unique features of the object and using them to generate a fingerprint for the device. The teachings also include techniques for providing appropriate signal processing for the incoming information from any physical device to be fingerprinted. The invention also includes methods for access control to optical recording media and physical devices.

    摘要翻译: 一种用于为具有可测量属性的对象生成唯一身份的方法。 该教导包括导出对象的独特特征并使用它们来生成设备的指纹。 该教导还包括用于为来自任何物理设备的进入信息提供适当的信号处理以进行指纹化的技术。 本发明还包括对光学记录介质和物理设备的访问控制的方法。

    Methods and apparatus for multiplication in a galois field GF (2m), encoders and decoders using same
    6.
    发明授权
    Methods and apparatus for multiplication in a galois field GF (2m), encoders and decoders using same 失效
    在伽罗瓦域GF(2m)中进行乘法的方法和装置,使用它们的编码器和解码器

    公开(公告)号:US06343305B1

    公开(公告)日:2002-01-29

    申请号:US09395414

    申请日:1999-09-14

    IPC分类号: G06F700

    CPC分类号: G06F7/724

    摘要: Methods and apparatus for multiplication in the Galois field GF(2m) are provided. The methods transform elements of the Galois field into a basis obtained by a permutation of an optimal normal basis. In an embodiment, a multiplier is provided that includes m2 AND gates and 1.5(m2−m) XOR gates. The methods are implemented in hardware such as integrated circuits or in software instructions stored in a computer readable medium such as a hard disk.

    摘要翻译: 提供了伽罗瓦域GF(2m)中乘法的方法和装置。 该方法将伽罗瓦域的元素变换为通过最优正态基的置换获得的基础。 在一个实施例中,提供了包括m2 AND门和1.5(m2-m)XOR门的乘法器。 这些方法在诸如集成电路的硬件或存储在诸如硬盘的计算机可读介质中的软件指令中实现。