How to repair the Hill cipher

INTRODUCTION Owing to the advance in network technology, information security is an increasingly important problem. Popular application of multimedia tech- nology and increasingly transmission ability of net- work gradually leads us to acquire information di- rectly and clearly through images. Hence, data secu- rity has become a critical and imperative issue. Hill cipher is a block cipher that has several advantages such as disguising letter frequencies of the plaintext, its simplicity be…     

硬件密码组件的技术分析

信息安全的基础是密码技术,而硬件密码组件(HCM)却是密码技术的载体、封装和防护;通过安全数学模型的分析,可建立其一般的物理防护结构;通过嵌入噪声随机数发生器、时间戳服务功能,可依据应用有效扩展防护强度,为开发高安全信息产品奠定基础.     

湖北团风大崎山苔藓植物名录

团风大崎山森林公园位于湖北省东部,大别山南麓,长江中下游北岸,通过对200余号标本的整理及鉴定,初步统计出团风大崎山共有苔藓植物26科46属98种,其中苔类植物8科8属10种,藓类植物18科38属88种。     

独辟蹊径独抒性灵 --明袁宏道《虎丘记》的闲暇式阅读

作者写虎丘,取景独具只眼,立意奇警,其浓彩泼墨的焦点不在林泉幽壑,名胜古迹,而重在市民郊游和中秋度曲、听曲的世俗风情.句句写实,却见翻变妙构和奇思神韵,富有雅、俗得兼的美致.俗之美,在人众,在繁闹,在入情,在新艳;雅之美,在曲高和寡,在寂然幽静,在陶醉销魂,在清声响彻.作者“信口而出,信口而谈“,表现了“独抒性灵,不拘格套“的创作风格和审美指向.     

唐代中国诗词对日本词作发端的影响

早在中国的唐代,词刚刚出现之初即已传入日本。综观一千多年前日本词学的起步阶段,有两组中国词起到了决定性作用,这就是张志和的《渔父》五首和白居易的《忆江南》三首。正是在它们的影响下,日本诗人开始了词的创作,其中包括嵯峨天皇的《渔歌》以及有智子公主和滋野贞主的奉和之作,还有兼明亲王的《忆龟山》,此外还有一组越调诗也颇值得关注。与此同时,中国的唐诗从内容上也滋养了日本词的创作。     

浙江畲族80年文化变迁——《浙江景宁县敕木山畲民调查记》回访调查

1929年夏天,史图博和李化民在浙江景宁敕木山村作畲族文化调查研究。时隔83年后回访敕木山村,从饮食、服饰、建筑和民歌等四个方面来调查畲族传统文化变迁。由于政府政策作用和社会经济发展等因素,畲族生活饮食和建筑等方面在向现代生活方式方向发展,而服饰和民歌等方面传统文化正面临传承危机和保护发展等问题。     

Soundscape of the West Lake Scenic Area with profound cultural background—a case study of Evening Bell Ringing in Jingci Temple,China

From the case study of Evening Bell Ringing at Nanping Hill,one of the West Lake Cultural Landscapes in Hangzhou,China,we investigated the soundscape of a scenic area with a profound cultural background.First,we conducted the soundscape physical index of the area in both winter and spring seasons to analyze its objective graphical expression.Second,we focused on people’s reactions to the soundscape in order to obtain a subjective evaluation of each component in the soundscape and integrated environment.Then,the relationship between the objective data and the subjective evaluation was analyzed.Finally,the impacts of the natural environment,history,and cultural factors on the evaluation of the Jingci Temple soundscape were studied.It was found that natural sounds,cultural sounds,and historic sounds were widely acclaimed in people’s subjective feelings,which indicated the close relationships among historical and cultural background,soundscape,and natural environment.Thus,the conclusion was made that soundscape should be consistent with the local natural environment and the historical and cultural background.     

论《夜归鹿门歌》中对比手法的运用

《夜归鹿门歌》是唐代孟浩然创作的一首七言古诗。诗人通过夜归鹿门的所见所闻所感,抒发了自己的隐逸情怀。从艺术上看,此诗八句四联,通过多角度对比,诗人表现了自己的归隐之心。     

审美救赎与生活艺术化

唯美主义代表人物王尔德将“为艺术而艺术”的美学主张贯彻到生活领域,以实现艺术拯救生活的梦想一一审美救赎,但过分强调形式的表层生活艺术化以及消费文化的深刻影响却导致其审美救赎的失败。当今消费文化甚为流行,现代人也面临王尔德式的困境,生活艺术化实践出现表面化现象,在反思并剖析二者的同时,搜集现实生活中深层次生活艺术化的成功案例CCSweets和马灯部落进行实证研究,寻求切实可行的深层次生活艺术化方法,以实现审美救赎。     

Biographical Sketch of Frederick G. Kilgour Librarian,Educator, Entrepreneur, 1914–2006

The article traces the career of Frederick G. Kilgour (1914–2006), who is widely recognized as one of the leading figures in 20^th-century librarianship. He founded the Ohio College Library Center (OCLC) and from 1967 to 1981 was its first president and chief executive officer, presiding over OCLC's rapid growth from an intrastate network to an international network. In 1971, under Kilgour's leadership, OCLC introduced an online shared cataloging system and an online union catalog (WorldCat) that is today the world's foremost bibliographic database. In 1978, he created the OCLC Office of Research, and in 1979, under his direction, OCLC launched its online interlibrary loan system. The author of 205 scholarly papers, Kilgour received numerous awards and honors over the course a career that took him from Harvard University Library, to the Office of Strategic Services in World War II, to Yale Medical Library, to OCLC, and finally, to the University of North Carolina at Chapel Hill, where he spent his final years on the faculty of the School of Information and Library Science as a Distinguished Research Professor.