您要查找的是不是：
- SPN is a popular overall structure of block cipher, and the differential cryptanalysis and linear cryptanalysis are the most powerful approaches to attack most symmetric block ciphers. SPN结构是一种流行的分组密码总体结构;差分和线性分析是攻击分组密码的最强有力的方法。
- structure of block ciphers 分组密码结构
- XSL algorithm is introduced for the cryptanalysis of block ciphers by Nicolas Courtois and Josef Pieprzyk, derived from XL. XSL算法是Courtois和Pieprzyk在分析分组密码时，在XL算法的基础上提出的一种新的算法。
- DES consequently came under intense academic scrutiny, and motivated the modern understanding of block ciphers and their cryptanalysis. DES因此遭到激烈学术审议，激励现代理解分组密码及密码翻译法。
- For example, multi-output Boolean functions with many good cryptographic properties have often been adopted in designing S-box which is the core of block ciphers. 因此，如何构造具有多种良好密码学性质的多输出布尔函数就显得尤为重要。
- In cryptography,the additional characters added to a plaintext message,to ensure that its length is an integral number of blocks for encryption by a block cipher. 在密码学中，为了使明文信息的长度为分组密码加密中所用的块的整数倍，而在明文中添加的附加字符。
- In cryptography, the additional characters added to a plaintext message, to ensure that its length is an integral number of blocks for encryption by a block cipher. 在密码学中，为了使明文信息的长度为分组密码加密中所用的块的整数倍，而在明文中添加的附加字符。
- Then, as the river went down at low tide, the barges also went down and the whole structure of Block I was placed directly and precisely onto the right piers. 然后，在退潮时河水水位下降，驳船也下降，而第一座架设体的整个结构就直接而精确地放到桥墩上。
- The microscopic structure of tissue. 组织机构组织的微观结构
- Design and realizing of a system of block cipher 一次一密的密码算法研究
- We know a lot about the structure of genes now. 如今我们对基因的结构有了较多的了解。
- The structure of the sentence is strange. 这个句子的结构很奇怪。
- On the Design and Security Analysis of Block Ciphers 分组密码的设计与安全性分析
- Can you analyze the structure of the sentence for me? 你能给我分析一下这个句子的结构吗？
- Module Protected Chip Design of Block Cipher Algorithm 分组密码算法芯片的模块保护设计
- The model is an odd-looking structure of balls and rods. 这个模型是由球和杆组成的结构，样子很奇特。
- Various types of block projections may be used. 可用各种类型的块体投影。
- The study of the metrical structure of verse. 诗体学诗歌的韵律结构的研究
- Block ciphers use the same encryption algorithm for each block. 块密码对每个块使用相同的加密算法。
- The type or structure of a placenta. 胎盘形式或构造
