ones complement短语¹⁴⁴⁹⁷²⁺² 基本例句 二进制的反码 In this paper, its studied the cryptographic properties of unsigned ones complement addition, with the aim of affording reliable theory for design and analysis of cipher algorithm. 本文对进位返加运算的密码学性质进行了系统、深入的研究，旨在为密码算法设计与分析提供理论依据。 dictall