他们可以寻找密码算法中的缺陷，然后恶意修改它们，让强的加密算法变弱。
They can probe for flaws in a cryptographic algorithm before maliciously modifying them to turn a strong encryption into a weaker one.
为了使SSL会话中所使用的加密算法和散列函数的规范更容易，这些算法被分组到各个密码套件(CipherSuite)中。
To facilitate the specification of encryption algorithms and hash functions that are used during an SSL session, the algorithms are grouped into CipherSuites. A CipherSuite defines.
混沌密码算法是一种快速加密算法，在安全性要求较高的领域中，有着非常广阔的应用前景。
As a fast encryption algorithm, the chaotic cryptographic method has quite wide applications in the field of security.
为此，我们深入研究加密算法，对多种算法进行了优劣性比较，用组合密码技术来优化和强化加密算法。
For this purpose, after deeply researched Encryption and comparison, we use combination Encryption technique to optimize cryptography.
分组密码广泛应用于各类密码算法，如加密算法和消息认证码(MAC)。
Block ciphers can be used in many cryptographic primitives, such as encryption and message authentication code (MAC).
RSA算法是基于数论的公钥密码体制，是公钥密码体制中最优秀的加密算法。
The RSA algorithm based on the numeric theory is the best encryption algorithm in public key cryptosystems.
基于网络的数据传输安全问题是信息安全领域的重要课题之一，本文在分析现有数据加密方法的基础上，在数据传输系统中应用一种基于分组密码新概念的新算法—排列码加密算法。
In this paper, a permutation code security algorithm based on the block cipher that is widely used in the data transmission system is put up after carefully studied the current encryption methods.
说明：实现了SSE (SSE简单流加密算法)，该算法具有块加密与流密码特性的加密算法。
It implements SSE (SSE simple stream encryption algorithm), the algorithm has characteristics of stream ciphers and block cipher encryption algorithm.
同时，还简要介绍了密码技术的相关概念，两种加密技术及其加密算法，最后说明了提出的加密算法的实现过程。
At the same time, the paper introduces the related concepts, two kinds of encrypt technologies and encryption algorithm. At last, the paper shows the implement of the encryption algorithm.
介绍对称密码技术中的DES、AES、IDEA加密算法和非对称密码技术中的RSA、ECC加密算法，并给出了混合密码算法的方案。
Introduced des, AES, and IDEA encryption algorithm, RSA, and ECC encryption algorithm, finally, produced the mix crypto-algorithm design proposal.
对称加密算法从加密模式上可分为流密码(序列密码)和分组密码(块密码)两大类，几乎当前使用的所有对称加密算法都是基于分组密码模式。
It can be divided into two sorts as stream cipher mode and block cipher mode by encrypting mode. The most commonly used symmetric encryption algorithms are almost based on block cipher mode.
评判一个密码算法的安全性时，必须考虑到对手也知道这个加密算法。
Maxim No. 3: In judging the encryption security of a class of methods, one has to take into account that the adversary knows the class of methods.
第二章介绍基本的应用密码学算法和密码协议，包括对称加密算法、非对称加密算法、散列函数、数字签名技术和密钥管理协议。
In chapter 2, the basic algorithms and protocol of applied cryptography are introduced here, including symmetric-key cryptography, public-key cryptography, hash functions and key management protocols.
第二章介绍基本的应用密码学算法和密码协议，包括对称加密算法、非对称加密算法、散列函数、数字签名技术和密钥管理协议。
In chapter 2, the basic algorithms and protocol of applied cryptography are introduced here, including symmetric-key cryptography, public-key cryptography, hash functions and key management protocols.
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