ciphers

简明释义

英[ˈsaɪfəz]美[ˈsaɪfərz]

n. [计][通信]密码，暗码；无价值的东西；密码文件（cipher 的复数）

v. 运算；使用密码；算出；想出（cipher 的三单形式）

英英释义

单词用法

同义词

反义词

例句

1.You should set this to HIGH (this is the default) to limit the acceptable ciphers unless you have a good reason not to.

您应该将其设置为HIGH（这是缺省值）以限制可接受的密码，除非您有很好的理由不这么做。

2.This paper discusses the security of stream ciphers by treating them as systems with memory.

本文把流密码看作一个有记忆系统对其比特安全性进行了讨论。

3.In volume V he had attached an appendix, The Scovell Ciphers.

在第五卷中，他插入了一个附录——斯考维尔密码。

4.A device for deciphering codes and ciphers.

译解电码或密码的装置。

5.Unfortunately, prior to V7, the default SSL cipher selection of strong includes some notably weak ciphers.

遗憾的是，在V7之前，默认的ssl强密码选择包含一些明显非常弱的密码。

6.The general structure of SAFER block ciphers adopts SP network. It's design has some original features.

SAFER系列密码算法的总体结构采用SP网络，它的设计具有其独到的几个特色。

7.A correlation immunity is a capability of feedforward network stream ciphers resisting correlation attacks.

相关免疫是前馈网络流密码抵抗相关攻击的一种能力。

8.The default settings are to allow all V2 and V3 ciphers.

默认设置是允许所有V2和V3加密程序。

9.There are memory challenges, word jumbles, letter ciphers, sentence constructions, and patchwork pictures.

包含了记忆挑战，单词谜团，字母密码，句子结构和拼凑图片。

10.She learned how to create her own ciphers for fun.

她学习如何自己创建密码来娱乐。

11.The ancient manuscript was written in ciphers, making it difficult to decode.

这本古老的手稿是用密码书写的，使其难以解码。

12.The secret agent used various ciphers to communicate without being detected.

这个特工使用各种密码进行交流，以避免被发现。

13.In computer science, ciphers are essential for securing data transmission.

在计算机科学中，密码对于保护数据传输至关重要。

14.The teacher explained different types of ciphers used in cryptography.

老师讲解了加密学中使用的不同类型的密码。

作文

In today's digital age, the importance of security cannot be overstated. One of the key elements in ensuring data security is the use of ciphers, which are algorithms used to encrypt and decrypt information. Essentially, ciphers transform readable data into an unreadable format, making it inaccessible to unauthorized users. This process is crucial for protecting sensitive information, such as personal data, financial records, and confidential communications.The history of ciphers dates back thousands of years, with early examples found in ancient civilizations. The Caesar cipher, named after Julius Caesar, was one of the simplest forms of encryption, where letters in the alphabet were shifted a certain number of places. Although primitive by today's standards, this method laid the foundation for more complex ciphers that would follow.As technology evolved, so did the methods of encryption. Modern ciphers are far more sophisticated, utilizing complex mathematical algorithms to secure data. For instance, the Advanced Encryption Standard (AES) is widely used today and is considered one of the most secure ciphers. It operates on blocks of data and employs various key sizes, making it extremely difficult for attackers to break the code without the correct key.The significance of ciphers extends beyond just personal security; they play a vital role in national security as well. Governments around the world rely on encrypted communication to protect sensitive information from espionage and cyber threats. For example, military communications, diplomatic messages, and intelligence reports are often secured using advanced ciphers to ensure confidentiality and integrity.Moreover, as the internet continues to grow, the need for secure online transactions has become paramount. E-commerce platforms and financial institutions employ ciphers to protect customer data during transactions. When you enter your credit card information on a website, ciphers encrypt that data, making it unreadable to anyone who might intercept it during transmission. This encryption process builds trust between consumers and businesses, fostering a safe online shopping environment.However, the use of ciphers is not without its challenges. As technology advances, so do the techniques used by cybercriminals to exploit vulnerabilities in encryption systems. This cat-and-mouse game between security experts and hackers highlights the ongoing need for innovation in the field of cryptography. Researchers are constantly working on developing new ciphers and improving existing ones to stay ahead of potential threats.In conclusion, ciphers are essential tools in the realm of data security. They serve to protect our information from prying eyes, whether it be in personal communications or sensitive governmental operations. As we continue to navigate an increasingly digital world, understanding and implementing effective ciphers will remain a critical component in safeguarding our privacy and security. The evolution of these encryption techniques will undoubtedly shape the future of secure communication, making it imperative for individuals and organizations alike to stay informed about the latest advancements in cryptography.

在今天的数字时代，安全的重要性不容小觑。确保数据安全的关键元素之一是使用密码，即用于加密和解密信息的算法。基本上，密码将可读数据转换为不可读格式，使其对未授权用户无法访问。这一过程对于保护敏感信息至关重要，如个人数据、财务记录和机密通信。密码的历史可以追溯到数千年前，早期的例子出现在古代文明中。凯撒密码以尤利乌斯·凯撒命名，是一种最简单的加密形式，其中字母在字母表中移动一定的位置。尽管按照今天的标准来看这种方法相对原始，但它为后来的更复杂的密码奠定了基础。随着技术的发展，加密方法也在不断演变。现代的密码要复杂得多，利用复杂的数学算法来保护数据。例如，高级加密标准（AES）是当今广泛使用的一种被认为是最安全的密码。它对数据块进行操作，并采用各种密钥大小，使得攻击者在没有正确密钥的情况下非常难以破解代码。密码的重要性不仅限于个人安全；它们在国家安全中也发挥着至关重要的作用。世界各国政府依赖加密通信来保护敏感信息免受间谍活动和网络威胁。例如，军事通信、外交信息和情报报告通常使用先进的密码进行加密，以确保机密性和完整性。此外，随着互联网的不断发展，对安全在线交易的需求变得至关重要。电子商务平台和金融机构使用密码来保护客户在交易过程中的数据。当您在网站上输入信用卡信息时，密码会对该数据进行加密，使其在传输过程中对任何可能拦截的人都不可读。这种加密过程建立了消费者与企业之间的信任，促进了安全的在线购物环境。然而，使用密码并非没有挑战。随着技术的进步，网络犯罪分子利用加密系统中的漏洞进行攻击的技术也在不断发展。这场安全专家与黑客之间的猫鼠游戏突显了在密码学领域创新的持续需求。研究人员不断致力于开发新的密码并改进现有的密码，以保持在潜在威胁面前的领先地位。总之，密码是数据安全领域的重要工具。它们保护我们的信息不被窥探，无论是在个人通信还是敏感的政府操作中。随着我们继续在一个日益数字化的世界中航行，理解和实施有效的密码将始终是保护我们的隐私和安全的关键组成部分。这些加密技术的发展无疑将塑造安全通信的未来，因此个人和组织都必须了解密码学领域最新的进展。