你选择的旋转字母的数量就是我们在密码学中所说的密匙。
The number that you choose to rotate your letters by is what we call in cryptography, a key.
好，我们等下讲讲密码学。
在执行加密时，有多种密码学算法可供选择。
There are a variety of cryptographic algorithms to choose from when performing encryption.
介绍了辫群及其在密码学中的应用。
在密码学中，我们也需要讨论模对数。
一个非常好的参考感兴趣的人应用密码学。
A very good reference for people interested in applied cryptography.
建立密码和研究密码信息的科学叫密码学。
The science of creating and reading coded messages is called cryptography.
它也是金融密码学及其实现技术的术语之一。
It is also a collective term for financial cryptography and technologies enabling it.
密码学主要分为三种。
对群签名的设计与分析始终是密码学领域的一大热点。
Design and cryptanalysis on group signature is always the hotspot in the field of cryptography.
安全散列算法是数字签名等密码学应用中重要的工具。
Secure hash algorithms are important tools for cryptographic applications such as digital signatures.
本文首先对文中涉及的密码学的基础知识进行了介绍。
This article firstly introduces the basic knowledge of cryptology involved.
在密码学中，通常要求所使用的随机数具有不可预测性。
The random Numbers used in cryptography are often required to hold the unpredictable characteristic.
有限域，有限群论，混沌理论，编码，数字水印，密码学。
Finite Field, Theory of Finite Groups, Chaos Theory, Coding, Digital Watermarking, Cryptography.
在信息技术的众多领域中，密码学都在发挥着重要的作用。
In the numerous fields of the information technology, cryptology is playing an important role.
将来，商务和交流原来越依靠网络，密码学将会越来越重要。
And in the future, as commerce and communications continue to move to computer networks, cryptography will become more and more vital.
将隐私保护和隐私访问集于一身的密码学赢得了顶级学术嘉奖。
Encryption that allows privacy and access to co-exist earns top dissertation award.
本文主要研究确定性随机理论及在混沌密码学中的应用可行性。
This dissertation mainly focuses on the investigation of deterministic randomness theory and its application to chaotic ciphers.
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.
这个用户可以在系统中添加fm，这会完整地保存并建立密码学信息。
The user can add FM to the system, that is the complete saving and establishing of cryptographic information.
最外层（人）依赖中间层（计算机和网络），中间层又依赖于最里层（密码学和协议）。
The outer layers (people) depend on middle layers (computers and networks), which in turn rely on the innermost layers (cryptography and protocols).
伴随着技术的进步，特别是先进的互联网和密码学技术，使得传递重要信息的风险降低了。
As a result of technical advances particularly the Internet and cryptography - the risks of conveying important information can be lowered.
安全计算问题是密码学协议研究的基础问题之一，也与很多重要的密码学应用相关。
The problem of secure multiparty computation is fundamental in cryptography, as well as relevant to practical cryptographic applications.
他还介绍说，破记录的MapReduce方法在物理学，密码学和数据挖掘领域也是很有用的。
The record-breaking MapReduce approach, he said, is useful in physics, cryptography and data mining.
密码学领域中保障信息安全的重要技术——数字签名正在逐步取代手写签名并趋于普及。
Digital signature, as an important technology to ensure information safety in cryptology field, is now gradually replacing manual signature and tends to be in common use.
密码学的一般方式是在发送受维护数字内容之前对数据加密，仅把密钥给予那些合法的用户。
Cryptography is sent by the general approach to data encryption to protect digital content before, the key given only to those legitimate users.
因为消息体元素本身没有被修改（只是简单转移了位置），所以从密码学角度签名任然有效。
The signature is still cryptographically valid, as the body element in question has not been modified (but simply relocated).
这个神秘的“纠缠”性质，在通信领域具有深远的应用潜力，如量子密码学，量子计算和量子隐态传输。
This mysterious property, known as entanglement, has far reaching application potential in information fields such as quantum cryptography, quantum computation and quantum teleportation.
文章从消息层次上讨论了信息安全问题，重点介绍了信息理论密码学与复杂性理论密码学。
This paper discusses on the problem of information security from message level, and introduces emphatically information theory based cryptology and complexity theory based cryptology.
论文主要通过研究改进椭圆曲线公钥密码学，设计实现了一个基于椭圆曲线的混合加密系统。
By studying and improving on ECC mainly, this article deals with the design and encryption algorithm implementation of a hybrid cryptosystem based on elliptic curve.
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