The quadratic residue theory was used for selecting randomly the embedding positions,and an extended coding scheme is utilizing for dynamically hiding secret messages.
该算法引入二次余数理论随机选择嵌入位置,并且采用了一种扩展的编码机制动态地隐藏秘密信息。
In this text,let C be graded coalgebra,the author discusses that D is the graded subcoalgebra of C if only if that D~┴ is the graded ideal of R;D is the graded subcoideal of C if only if that D~┴ is the graded subcoalgebra of R;D is the graded right(left) coideal of C if only if that ~┴ is the graded right(left) ieal of R.
设C是分次余代数,讨论D是C的分次子余代数的充要条件是D的垂直正交补D┴是R的分次理想;D是C的分次余理想的充要条件是D的垂直正交补D┴是R的分次子代数;D是C的分次右(左)余理想的充要条件是D的垂直正交补D┴是R的分次右(左)理想。
The asymptotic properties of the m-power residues numbers were studied.
利用Riemann-zeta函数的估计及其解析方法研究了m次剩余数的一些渐近性质,得到了两个有趣的渐近公式。
Hence,an improved scheme based on square root modulo composites is proposed and the security drawback in W·Z·L scheme is overcome.
文章基于模合数二次剩余问题,提出了一种改进的方案,克服了W。
In this text,let C be graded coalgebra,the author discusses that D is the graded subcoalgebra of C if only if that D~┴ is the graded ideal of R;D is the graded subcoideal of C if only if that D~┴ is the graded subcoalgebra of R;D is the graded right(left) coideal of C if only if that ~┴ is the graded right(left) ieal of R.
设C是分次余代数,讨论D是C的分次子余代数的充要条件是D的垂直正交补D┴是R的分次理想;D是C的分次余理想的充要条件是D的垂直正交补D┴是R的分次子代数;D是C的分次右(左)余理想的充要条件是D的垂直正交补D┴是R的分次右(左)理想。