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    • 1. 发明申请
    • METHOD AND APPARATUS FOR FINITE FIELD BASIS CONVERSION
    • 有限域基础转换的方法和装置
    • WO0052877A3
    • 2001-01-25
    • PCT/CA0000187
    • 2000-02-28
    • CERTICOM CORPLAMBERT ROBERTGALLANT ROBERTMULLIN RONALDVANSTONE SCOTT
    • LAMBERT ROBERTGALLANT ROBERTMULLIN RONALDVANSTONE SCOTT
    • H04L9/30
    • H04L9/083H04L9/3026H04L9/3066
    • A method and systems provided for basis conversion in a cryptographic system. The method comprises the steps of a first correspondent transmitting an element represented in the first basis to an intermediate processor, the intermediate processor converting the element into a second basis representation and forwarding the converted element to the first correspondent who then uses the converted element in a cryptographic operation. A further embodiment of the invention provides for the intermediate processor to perform the basis conversion on a field element and then forward the converted element to a second correspondent. A still further embodiment of the invention provides for the correspondents in a cryptographic scheme making use of a bit string as a function of a sequence of traces of a field element, wherein the bit string is a shared secret for performing certain cryptographic operations.
    • 提供用于密码系统中基础转换的方法和系统。 该方法包括以下步骤:第一通信对象将第一基础中表示的元素发送到中间处理器,中间处理器将元素转换为第二基本表示,并将转换的元素转发到第一通信对象,然后使用转换后的元素 加密操作。 本发明的另一个实施例提供了中间处理器来对场元素执行基础转换,然后将转换的元件转发到第二对应物。 本发明的另一个实施例提供了使用位串作为场元素的轨迹序列的函数的加密方案中的通信对象,其中该位串是用于执行某些加密操作的共享秘密。