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Provable Security is a formal method for proving the security of cryptographic schemes, in which the difficulty of breaking a particular scheme is formally related to that of solving a widely believed computational hard problem. Provable security has already become an important theme of theoretical researches in modern cryptography. This dissertation investigates the provable security of public-key encryptions and hybrid encryptions of asymmetric and symmetric encryptions. This includes the various formal security notions and the constructions can be proved to achieve them. Among the constructions, hybrid encryptions are themselves an important way to obtain public-key encryption schemes with chosen ciphertext security. The main results are as follows:(1) The one-wayness of the trapdoor one-way function in NTRU depends on the randomness of the session key, which is different from previous ones. Based on this observation, a new kind of trapdoor one-way function, trapdoor one-way functions with an auxiliary random variable is proposed.

可证明安全性是一种证明密码学方案安全性的形式化方法，它将密码学方案的安全性归约为公认的计算难题，已成为现代密码学领域中理论工作的主线，本文主要研究公钥加密与单双钥混合加密的可证明安全性，这包括它们的各种形式化安全性定义以及达到这些安全性定义的方案构造，而单双钥混合加密本身也是一种构造选择密文安全公钥加密的重要方法，本文得到的主要结果如下：(1)在研究NTRU公钥加密的特殊性基础上，对于公钥加密的陷门单向函数加密模型进行了扩展，提出了具有辅助陷门单向函数的概念，并将其扩展到多元的情况，讨论了可能的密码学用途。

There is not enough memory available to PHP to change this theme's color scheme.

没有足够的PHP内存空间所以无法改变本主题的配色方案。

Must Be contemporary art center is by digging and coordinating contemporary art civilian video as the most important project in 20 years recently. It set up documentary in 2005, and will hold on experimental drama 、 Avant-courier poetry 、 show the geography of Beijing contemporary art 、 Chinese contemporary construction BBS 、 contemporary dance etc for one year, these activities present the first theme of literature exhibition, and in all corners of the country's various sorts of multiplex no mainstream group and strength of folk art.

更重要的是玛斯德比当代艺术中心还以挖掘和整理中国近 20 年当代艺术的平民化影像为重要项目，在 2005 年设立了文献展，将用 1 年的时间以举办实验戏剧、先锋诗歌、展示北京当代艺术地理、中国现代建筑论坛、现代舞等活动，来呈现第一届文献展的主题，'江湖'中的中国各种多元化的非主流的民间艺术团体与力量。

With the great change in sci-tech activities in high-tech era, the theme of philosophy of science has to be transformed into the Topics of Science from the traditional axiomatic system for static researches on single theory and paradigm conversion for dynamic researches on multiple theories.

随着"高科技时代"科学活动方式的巨大转变，科学哲学主题也将由传统的"公理体系"的单理论静态研究和"范式转换"的多理论动态研究向大科学时代的"科学论题学"研究转变。

The overexpression of CDR1, CDR2, and MDR1 is a common theme in azole antifungal resistance in C.

其中多药耐药基因CDR1、CDR2、MDR1的表达增加是唑类耐药主要机制，有研究表明CDR1、CDR2、MDR1的过度表达与转录调控因子有关，但具体机制不清。

Global academia distinguished personages is in Xiamen campus academy (institute of science of Xiamen college higher education) the special hour that holds water 30 years gathers together Xiamen, course of collective backdate higher education development course of 30 years, look into the development trend of course of prospective higher education, spread out development to discuss with respect to the theme of campus quality at the same time, formed the academic gain of plentiful and substantial.

国内外学界名流在厦门大学教育探究院(厦门大学高等教育科学探究所)成立30周年的非凡时刻汇聚厦门，共同回溯高等教育学科30年的发展历程，展望未来高等教育学科的发展趋向，同时就大学教育质量的主题展开深入探索，形成了丰硕的学术成果。

Each theme bitmap has a background color and it's transparent.

每个主题位图有一个背景颜色和它是透明的。

Baconian a word, my experience is: Gu Ge takes content detail seriously, baidu takes whole station theme seriously

归纳一句话，我的体会就是：谷歌重视内容细节，百度重视整站主题

A recurring theme at the time was the accusation that America engaged in bacteriological warfare against China.

但在当时反复出现的主题是，美国在对中国进行细菌战的指控。

The SBSTA reaffirmed that the overall objective of the work on performance indicators is to develop and test a balanced and robust set of performance indicators for each theme of the framework for meaningful and effective actions to enhance the implementation of Article 4, paragraph 5, of the Convention (the technology transfer framework).

科技咨询机构重申，绩效指标工作的总体目标是，为该框架的每个主题研拟和测试一套均衡稳健的绩效指标，以便为加强执行公约第四条第5款而采取有意义和有实效的行动。

This immediately brings us to the next part of this article: creating an output "replace function".

下面进入文章的第二部分：建立一个"缓存处理函数"。

He was elected as an International Ornithological Committee member in 2002 during the 24th IOC held in Beijing.

现为中国鸟类学会理事和WPA 专家组成员。2002年被推选为国际鸟类委员会委员。