哈希函数是现代密码系统的基础。
现代密码体制中，加密算法是公开的。
The cryptographic algorithm is public in modern cryptography.
可证明安全是现代密码方案的基本要求。
Provable Security is the essential requirement of modern cryptographic schemes.
现代密码组件中常用到不同群上的混合运算。
Modern cipher components usually combine mixed operations of different groups.
利用现代密码技术构造了两个数字版权保护方案。
Applying the modern cryptographical technology constructs two digital copyright protection schemes.
在现代密码学中，杂凑函数占据基础而又重要的地位。
Cryptographic hash functions play a fundamental role in modern cryptography.
安全多方计算是现代密码学领域重要的研究内容之一。
Secure multi-party computation is one of the most important areas in modern cryptography.
在现代密码学中，可证安全是保证协议安全的一种方式。
In modern cryptography, one way to ensure the security of a protocol is by means of provable security.
本文主要对现代密码体制在网络数码扩印系统中的应用进行研究。
The thesis focuses on the application of the modern cryptography in network digital film enlargement system.
DNA在信息科学中的应用，给现代密码学带来了新的挑战和机遇。
The application of DNA in information science brings new challenges and opportunities to modern cryptography.
本文主要讨论如何利用现代密码技术实现分布式系统中的安全访问控制。
It is mainly discusses that how to use modern cryptographic technology to achieve secure access control in distributed systems.
可验证秘密分享是现代密码学中最重要的工具之一，也是信息安全的基础和基本工具之一。
Verifiable secret sharing is one of the most important tools in modern cryptography, and it is also one of basic tools in keeping secrets.
在本文中，笔者着重研究如何利用现代密码技术来构造叛逆者追踪方案和数字版权保护方案。
In this dissertation, the author focuses on how to apply the modern cryptography to construct traitor tracing scheme and digital copyright protection scheme.
现代密码学认为，任何加密体系的加密和解密算法都可以公开，其安全性在于密钥的保密性。
It is believed that in modern cryptography, any algorithm of encryption and decryption in cryptographical systems could be public, and the security should rely on the secure key.
信息安全技术是现代计算机通信网络的基础，而现代密码算法又是信息安全最为核心的部分。
Information security is the basis of modern computer communication network, while modern cryptographic algorithm is also the core part of the information security.
现代密码学认为，任何加密体系的加密和解密算法都可以公开，其安全性在于密钥的安全性。
In modern cryptography, it is believed that any algorithm of encryption and decryption in cryptographical systems can be open, their safety depends on key security.
信息隐藏技术是一门建立在数学、现代密码学、信息处理理论和计算机应用技术基础上的交叉性学科。
Information hiding is an interlaced subject, which is built on the basis of mathematics, modern cryptography, information processing theory, and computer applied techniques.
一方面，DNA计算固有的超大规模并行性给安全性依赖于数学困难问题的现代密码学带来了新的挑战。
On one hand, the vast parallelism inherent in DNA computation brings new challenges to modern cryptography, which is based on hard mathematic problems.
建立在现代密码学基础上的信息安全系统，其安全性从根本上依赖于产生重要秘密数据所用随机数的随机性。
Based on modern cryptography, the security of information systems fundamentally depends upon the randomness of random Numbers which are used to produce important secret data.
本文首先介绍网络数据库安全的基础：即现代密码学和数据库安全，接着介绍了指纹特征在身份认证中的原理。
The thesis introduce the base of network database security, which includes modern cryptology and database security, and introduce principle of fingerprint characteristic in identity identification.
第2部分(第4 ~ 7章)主要介绍现代密码学的基本技术，包括对称密码技术(分组密码、序列密码)、Hash函数、公钥密码技术等。
Part 2 (chapters 4-7) introduces the basic techniques of modern cryptography, including symmetric cryptography (block ciphers, stream ciphers), Hash functions, public-key cryptography technology.
现代生活加重了这一负担，五分之一的人忘记了重要的密码，四分之一人记不起给手机电池充电。
And modern life adds to the burden, with one in five forgetting important passwords and a quarter not remembering to charge their mobile phone battery.
传统的身份认证方法，主要包括个人密码，身份证，钥匙等，其安全性和使用方便性都越来越不能满足现代社会的需要。
The conventional personal identification methods, e. g. personal password, identity card, and key, are not satisfied to the need of modern society in security and convenience.
传统的利用密码等身份鉴别的方法具有易遗忘、易假冒等缺点，已不符合现代数字社会的需求。
The traditional personal identification methods using password is not satisfied with the demands of the modern digital society because of the shortcoming of easily forgetting and pretending and so on.
该研究结果有助于序列密码算法在信息安全及现代保密通信设备中的应用。
This research is helpful to the application of stream cipher algorithm in information security and modern secure communication equipment.
女性主义者认为，科学并不是价值中立和性别无涉的，科学史中蕴含着性别密码，近现代科学负载着男性价值和男性品质，这导致了千百年来女性在科学中的相对缺席。
The feminists hold that the modern science has been loading the masculine value and masculinity, both of which have led to the relative absence of women in the field of science for hundreds of years.
现代工作生活需要用到很多的密码，怎么样制定一个安全的密码就成了一个重要的问题。
We need to use a lot of password in modem life and work, and how to formulate a security password will become an important subject.
现代加密算法必须更为复杂，因为密码文本常用户保护价值数十万或数百万美元计的信息。
Modern encryption algorithms are necessarily more sophisticated because the ciphertext may often be protecting information worth thousands or millions of dollars.
密码学在现代信息社会中具有特殊的重要性，混沌的良好特性给密码的设计提供了新的手段。
Cryptography has the crucial importance in modern info-society. The merits of chaos have brought a new means for the design of cryptography.
密码学在现代信息社会中具有特殊的重要性，混沌的良好特性给密码的设计提供了新的手段。
Cryptography has the crucial importance in modern info-society. The merits of chaos have brought a new means for the design of cryptography.
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