h - Takagi, Tsuyoshi; Okamoto, Tatsuaki; Okamoto, Eiji.; Okamoto, Takeshi; SpringerLink (Online service) (Berlin, Heidelberg : Springer Berlin Heidelberg, 2007)
Keywords: Computer science; Data encryption (Computer science).; Computer software; Computational complexity; Algebra -- Data processing; Computer Science; Data Encryption; Algorithm Analysis and Problem Complexity; Discrete Mathematics in Computer Science; Symbolic and Algebraic Manipulation