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    • 10. 发明申请
    • METHOD AND APPARATUS FOR PERFORMING MODULAR EXPONENTIATIONS
    • 用于执行模块指示的方法和设备
    • WO2006039068A2
    • 2006-04-13
    • PCT/US2005/031672
    • 2005-09-02
    • INTEL CORPORATIONKOSHY, KamalWOLRICH, GilbertSYDIR, JaroslawFEGHALI, Wajdi
    • KOSHY, KamalWOLRICH, GilbertSYDIR, JaroslawFEGHALI, Wajdi
    • G06F7/72
    • G06F7/728
    • An arrangement is provided for performing modular exponentiations. A modular exponentiation may be performed by using multiple Montgomery multiplications. A Montgomery multiplication comprises a plurality of iterations of basic operations (e.g., carry-save additions), and is performed by a Montgomery multiplication engine (MME). Multiple MMEs of smaller sizes may be chained together to perform modular exponentiations of larger sizes. Additionally, a single MME of a smaller size may be scheduled to perform modular exponentiations of larger sizes. Moreover, the process of performing a Montgomery multiplication may be pipelined both horizontally and vertically. Furthermore, processes of performing two Montgomery multiplications may be interleaved and performed by the same MME or chained MMEs.
    • 提供了一种用于执行模幂运算的配置。 可以通过使用多个蒙哥马利乘法来执行模幂运算。 蒙哥马利乘法包括多个基本操作的迭代(例如,进位保存加法),并且由蒙哥马利乘法引擎(MME)执行。 较小尺寸的多个MME可以链接在一起以执行较大尺寸的模幂运算。 另外,较小尺寸的单个MME可以被调度为执行更大尺寸的模指数。 而且,执行蒙哥马利乘法的过程可以水平和垂直地流水线化。 此外,执行两个蒙哥马利乘法的处理可以交织并且由相同的MME或链接的MME执行。