DES (Data encryption standard) encryption arithmetic has stood the long test from when it became the encryption standard to now.
加密算法在成为加密标准到今天，经历了长期的考验。
We design a NAS security system based on NAS character, This paper introduces the design and implement of application encryption arithmetic.
我们根据附网存储的特点，设计了一个附网存储安全系统，本文重点介绍其应用级加密算法的设计与实现。
A quick and safe encryption arithmetic of symmetry is proposed, which has the same arithmetic in encryption and decryption without arithmetic logical operation.
给出了一种加密速度快，安全性高，加密算法和解密算法相同，且不需进行算术逻辑运算等特点的对称加密算法。
The method of DPA may attack on encrypted FPGA effectively, which does not need complex analysis to encryption arithmetic and obtains ciphertext and information.
差分功率分析（DPA）方法可有效地对加密的集成电路芯片进行攻击解密，它绕过了加解密算法繁琐的数学分析，从而获取密码和信息。
In this paper, a gray image encryption arithmetic based on chaotic sequences is proposed by taking advantage of the encryption template matrix and sort transformation.
讨论了一种以实数值混沌序列为基础，利用加密模板矩阵和排序变换，给出一种灰度图像的加密算法。
The structure and principle of the CAS are introduced, application models of simulcrypt and multicrypt, used in CAS are analyzed. Besides, encryption arithmetic in CAS is discussed int…
研究了CAS的结构框架和工作原理，分析了同密、多密的工作模式，并对系统中的加密算法进行了探讨。
Lastly, the mixed cryptogram arithmetic was implemented and applied into the application of email encryption.
最后，实现了混合加密算法，并将其应用于加密发送电子邮件中。
Key management, key disperse arithmetic authentication mechanism, data encryption contribute to the security of downloading OTA service.
密钥管理、密钥分散算法、认证机制和数据加密四个方面有助于提高OTA业务下载的安全性。
As the popular arithmetic of secret key encryption, there are symmetrical and unsymmetrical secret keys.
作为现在流行的采用密钥加密解密的算法，无非分为对称密钥和非对称密钥两种类型。
As the popular arithmetic of secret key encryption, there are symmetrical and unsymmetrical secret keys.
作为现在流行的采用密钥加密解密的算法，无非分为对称密钥和非对称密钥两种类型。
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