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    • 5. 发明申请
    • Method and apparatus for performing modular exponentiations
    • 用于执行模数乘方的方法和装置
    • US20060059219A1
    • 2006-03-16
    • US10944353
    • 2004-09-16
    • Kamal KoshyGilbert WolrichJaroslaw SydirWajdi Feghali
    • Kamal KoshyGilbert WolrichJaroslaw SydirWajdi Feghali
    • G06F7/38
    • 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数乘方的布置。 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,进位保存添加),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数乘方。 此外,可以调度较小尺寸的单个MME来执行较大尺寸的模数乘方。 此外,执行蒙哥马利乘法的过程可以水平和垂直流水线。 此外,执行两个蒙哥马利乘法的处理可以由相同的MME或链接的MME进行交织和执行。