查询词典 key block

Encryption Algorithm simple description : DES is a block cipher algorithm, his 64 for a pair of data encryption Encryption algorithm principle :The password system may divide into 2 big kinds from the principle, namely single key password system and double key password system.

加密算法的简单描述：DES是一种分组加密算法，他以64位为分组对数据加密。加密算法的原理：密码体制从原理上可分为2大类，即单钥密码体制和双钥密码体制。

Guangzhou City, Ho Li Stainless Steel Products Factory Main Products Fashion has stainless steel shelves, stainless steel blender blade, stainless steel metal products (commonly Block, U-type pumping hands, lock Activity card, Ox Lee, the seventh song, Yuan Xin hinges, decorative cover, seven Qu word glass folder, hose hinge teeth, small to take over the meson, small cow door, metadata and, welding glass folder, directly to the glass folder, Park Top screw head, get a barrel, straight out of the screw head, welding screw head, Hengmen Play , elastic cross-door plug, trunk sleeve with stainless steel chain inserted door with lock ring card, straight trunk with side door horizontal interpolation, long locks card sleeve, rectangular key drainage, triangle decorated occasional bending as nose, triangular drainage key, day care word ornaments, doll head) can be customized to any specifications of stainless steel products, widely used in various industries.

广州市合利不锈钢制品厂主要产品有不锈钢时装货架，不锈钢搅拌机叶片，不锈钢五金产品（通座，U型抽手，活动锁牌，牛利，七字曲，元心铰，饰盖，七字曲玻璃夹，喉牙铰，小接手，介子，小门牛，元并，焊接玻璃夹，直出玻璃夹，园顶螺丝头，揽桶，直出螺丝头，焊接螺丝头，横门插，弹力横门插，象鼻套筒，带不锈链门插，带圈锁牌，直象鼻，带方横门插，长锁牌，套筒，长方形渠匙，三角饰托，弯象鼻，三角渠匙，日字饰托，公仔头）可订做任何规格不锈钢产品，广泛应用于各个行业。

Network management protocol; block cipher; key exchange; handshake algorithm; advanced encrypt standard; key expand

中文关键词网络管理协议；分组密码；密钥协商；握手算法；高级加密标准；密钥生成

The IDEA algorithm is one kind of block data encryption algorithm, It has designed a series of encryptions turn of order, each turn of encryption all uses a sub- key which produces from the integrity encryption key.

IDEA算法是一种数据块加密算法，它设计了一系列加密轮次，每轮加密都使用从完整的加密密钥中生成的一个子密钥。

Bits are discarded, reducing the key to 56 bits. Bit 1 of the permuted??block is bit 57 of the original key, bit 2 is bit 49, and so on with bit??

第一位是原密钥的第57位，第二位是原第49位，第五十六位就是原来密钥的第4位。

The algorithm splits the original image to some blockes and do DCT transform,chooses three low-frequency coefficients in every block,quantizes them and chooses the least significance bits,then does the xor operations with the corresponding bits of water mark.,the result is the key.At the same time,we choose three high-frequency,and do the same operation and generate the other key.

该方法对原始图像进行分块DCT变换，每块取三个DCT低频系数，把这三个系数量化后取最低有效位，与水印的对应位进行异或运算得到密钥；再取三个高频系数进行异或等运算得到另一密钥。

SIFT（Scale Invariant Feature Transform） local feature is chosen because of its scale invariance and the property of accurate key-point localization.The Euclidean distance between different SIFT feature vectors is defined as the measure of similarity to get the pre-matched key-point pairs.The affine transform model is used to realize the registration.In order to get the accurate affine transform parameter,the principal of affine transform error is used to get rid of mismatched key-point pairs from the pre-matched pairs.

该方法选取具有良好尺度、旋转不变性以及精确特征点定位能力的SIFT局部特征，使用其特征向量间的欧氏距离作为相似性度量进行特征点匹配，并依据仿射变换误差准则去除奇异匹配特征点对，采用仿射变换的几何模型，实现了遥感图像的快速自动配准。

In word processing, a key, which when operated in conjunction with another key, gives an alternate meaning to the key, such as to initiate a program or execute a function.

在字理技术中的一种键，当与另一种键配合使用时，给该键换一种功能，例如，启动某个程序或执行某种功能。

A three row template may be designed for function key combinations with either an alternate key row or control key row for the third row selection.

三年连续模板可设计为功能键的组合，无论是候补的关键行或控制的关键，为连续第三排的选择。

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。

In this new architectural plan the Garden of Golgotha came to be at the centre of the new city.

Aelia 是高举他自己，并在此城内朝拜罗马诸神。

The continuous nature of peat accumulation means that terrestrial coaly rocks may provide a higher resolution and more complete record of base-level change than the time-equivalent shallow-marine strata, thus enabling the identification of highfrequency cycles that are not recorded in themarine strata.

泥炭积累的持续性质的手段，陆地coaly岩石可提供较高的分辨率和更完整的记录基准面变化的影响时，相当于浅海阶层，从而使确定的高频周期，不记录在themarine 阶层。