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sp network
相关语句
  sp网络
     The general architecture of symmetrical cryptosystem at present can be sorted asFeistel (CAST-256, DEAL, DFC E2, etc.) , SP network (Safer+, Serpent, etc.)
     如何设计安全的密码组件,例如S-盒、扩散层及密钥扩展算法等。 目前分组密码所采用的整体结构可分为Feistel 结构(如CAST-256、DEAL、DFC、E2 等)、SP 网络(如Safer+、Serpent 等)及其他密码结构(例如Frog 和HPC)。
短句来源
     Symmetry is the most distinct character of Feistel,while SP network has a good deffuse capability.
     SP 网络则是扩散性能比较好。
短句来源
     The general structure of SAFER block ciphers adopts SP network. It's design has some original features.
     SAFER系列密码算法的总体结构采用SP 网络,它的设计具有其独到的几个特色。
短句来源
     The substitution and the permutation formed the SP network architecture with desirable cryptographic property.
     替代和置换部分组成了具有良好密码特性的SP网络结构 .
短句来源
  “sp network”译为未确定词的双语例句
     In this paper, we analyze the ability of four main models of network based IP VPN to support QoS, and compare two QoS models for VPN: pipe model and hose model. After analyzing the requirements for the resource in SP network in different realizing ways, we carry out a research on the algorithm for getting the minimum resource tree ofVPN.
     本文分析了基于网络的IP VPN的四种主要实现模型对QoS的支持,同时比较了VPN环境中提供QoS支持的两种服务模型——Pipe模型和Hose模型,探讨了Hose模型的不同实现方式对服务提供商网络的资源需求问题,并研究了VPN Hose实现方式下VPN最小资源树的求解算法。
短句来源
     The results of experiments indicate that our model can support QoS well as well as the VPN service, and improve the resource utilization of SP network evidently.
     实验结果表明,我们提出的VPN模型在提供VPN服务的同时还能提供对QoS的良好支持,并能有效提高服务提供商网络的资源利用率。
短句来源
  相似匹配句对
     Minimization of SP Switching Network
     SP开关网络的最小化
短句来源
     sp. and G.
     sp . 和G .
短句来源
     SP.
     SP的升压反应可能主要通过LC下行活动而实现。
短句来源
     NETWORK
     网络
短句来源
     c network.
     针对特殊的网络分析了纳什均衡的性质;
短句来源
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  sp network
Using alternate path routing, the reduction of blocking probability in RSP network is more than that in SP network.
      


The general structure of SAFER block ciphers adopts SP network. It's design has some original features. In this paper, the design technique of SAFER block cipher is analyzed. Along the process of improvement of it's designers, we give a description of and attack on their confusion layer, diffusion layer and key schedule algorithm. In the end, some problems about SAFER design are proposed, and will be studied later.

SAFER系列密码算法的总体结构采用SP 网络,它的设计具有其独到的几个特色。分析SAFER系列密码算法的设计思想,沿着设计者对它们不断改进的思路,分别描述其混淆层、扩散层、密钥扩展算法的性质和对它们的攻击。最后提出几个尚需进一步考虑的问题

This paper presents a new image encryption/decryption algorithm employing discrete chaotic systems. The main properties of the algorithm are that the whole encryption systems, including the encryption/decryption algorithm and the secret keys utilized are all generated by different chaotic systems. Two main modules are included in the algorithm. One is to substitute the pixels utilizing nonlinear iterative transformation which is dependent on the random secret keys generated by a discrete chaotic system. The...

This paper presents a new image encryption/decryption algorithm employing discrete chaotic systems. The main properties of the algorithm are that the whole encryption systems, including the encryption/decryption algorithm and the secret keys utilized are all generated by different chaotic systems. Two main modules are included in the algorithm. One is to substitute the pixels utilizing nonlinear iterative transformation which is dependent on the random secret keys generated by a discrete chaotic system. The other is to permute the pixels employing "quasi standard map", which is a strong coupled architecture. The permutation is also dependent on the secret keys generated by a different chaotic system. The substitution and the permutation formed the SP network architecture with desirable cryptographic property. The analysis and the simulation results implied that the algorithm is of favorable security and efficiency.

应用离散混沌动力系统设计了一种图像加密 /解密算法 .该文算法主要特点是 :无论从加密 /解密算法的设计到密钥的产生都是由不同的混沌动力系统提供的 .算法主要包括两部分 :(1 )采用依赖于随机密钥的非线性迭代变换来完成图像像素替代 ,其中所用的子密钥由离散混沌系统产生 ;(2 )采用“类标准映射”的强耦合结构来完成图像像素的置换 ,并且这种置换是依赖于密钥的 .替代和置换部分组成了具有良好密码特性的SP网络结构 .分析和仿真结果表明 ,经过这样的替代和置换 ,算法具有良好的安全性及效率

Discrete chaos is used to generate cipher systems because it is easy to create, sensitive to initial value and similar to white noise of statistical nature. A "quasi-Feistel network" algorithm is designed using discrete chaotic maps for image encryption/decryption. All secret keys of the algorithm are generated by different chaotic maps, and this improves difficulty of decryption. Permutation and substitution consist of SP networks with good cipher performance. Permutation is also controlled by cipher...

Discrete chaos is used to generate cipher systems because it is easy to create, sensitive to initial value and similar to white noise of statistical nature. A "quasi-Feistel network" algorithm is designed using discrete chaotic maps for image encryption/decryption. All secret keys of the algorithm are generated by different chaotic maps, and this improves difficulty of decryption. Permutation and substitution consist of SP networks with good cipher performance. Permutation is also controlled by cipher to improve algorithm complexity. Safety is enhanced by the output of encryption which strongly depends on nonlinear coupled secret keys. All of white text is encrypted during each iteration of "quasi-Feistel network", and this improves the encryption efficiency. Finally, a simulation test is conducted by taking the image Pout in Matlab as an example, and the simulation results show that the algorithm proposed possesses perfect safety and efficiency.

应用离散混沌序列易于生成,对初值敏感以及具有白噪声的统计特性,设计了一种"仿Feistel网络结构"的数字图像加密/解密算法。该算法的所有密钥都由不同的混沌动力系统产生,增加了破译难度。算法中的置换和替代操作,组成了具有良好密码特性的SP网络结构,置换也受密钥控制,增加了算法的复杂性。加密操作的输出结果依赖于密钥的强非线性耦合,增强了安全性。在"仿Feistel网络结构"的每次迭代操作中,都能够对所有的明文进行加密,提高了加密效率。最后,以Matlab中的图像Pout为例进行了仿真试验,结果表明,该算法具有良好的安全性和效率。

 
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