steganography

简明释义

英[ˌsteɡəˈnɒɡrəfi]美[steɡəˈnɑːɡrəfi]

n. 速记式加密；密码学

英英释义

单词用法

同义词

反义词

例句

1.An information steganography algorithm based on image chroma redundancy is structured.

提出了一种基于图象色度冗余的信息伪装算法。

2.Steganography detection is to detect information in Internet to determine whether concealing information exists.

隐写检测就是要对网络信息进行检测以判断是否有隐写信息存在。

3.Extensive experiments prove the differences between the digital watermarking and digital steganography.

并通过实验证明了数字水印和数字密写之间的区别。

4.The information steganography tool JPHS has been elementary taken part.

对信息伪装工具JPHS进行了初步地剖析。

5.The point of the extracting attack to random LSB steganography of JPEG images is to recover the stego-key.

对JPEG图像随机LSB隐写系统的提取实际上是对隐写密钥的恢复。

6.The "extracting attack" on steganography is a kind of steganalysis, the purpose of which is to extract the hidden message.

对于隐写术的提取攻击是一种隐写分析，其目的是将隐藏消息提取出来。

7.Traditional steganography hides its message as, say, every 20th word in a letter, or as the colour of every hundredth pixel in an electronic image.

传统的信息隐藏法隐藏信息的方式是藏掉一封信中的每20个字，或者一幅电子图片中的每百个像素。

8.The study of steganography as one important branch of information security attracts more concerns than before.

而信息安全的一个重要分支：隐写术的研究正越来越受到重视。

9.This paper analyzes the structure of the hypertext files and proposes a new and more secure steganography method.

通过分析超文本的文件结构，提出了一种更为安全可行的方法。

10.Digital artists sometimes use steganography 隐写术 to embed their signatures in images without altering the visible content.

数字艺术家有时使用steganography 隐写术 在图像中嵌入他们的签名，而不改变可见内容。

11.Researchers are developing new algorithms to improve the efficiency of steganography 隐写术 in digital communications.

研究人员正在开发新的算法，以提高数字通信中steganography 隐写术 的效率。

12.The software allows users to apply steganography 隐写术 to audio files, making it possible to transmit secure messages within music tracks.

该软件允许用户对音频文件应用steganography 隐写术，使得可以在音乐曲目中传输安全消息。

13.During the investigation, the police discovered that the suspect had used steganography 隐写术 to hide messages in seemingly innocent files.

在调查过程中，警方发现嫌疑人使用steganography 隐写术 将信息隐藏在看似无害的文件中。

14.In the field of cybersecurity, many experts are exploring ways to enhance steganography 隐写术 techniques to protect sensitive data.

在网络安全领域，许多专家正在探索增强steganography 隐写术 技术以保护敏感数据。

作文

In the digital age, where information is a crucial asset, the need for secure communication has never been more important. One fascinating method of achieving this is through a technique known as steganography, which is derived from the Greek words 'steganos' meaning 'covered' and 'graphy' meaning 'writing'. Essentially, steganography refers to the practice of hiding messages within other non-secret text or data, making the presence of the hidden message undetectable to the casual observer. Unlike cryptography, which alters the appearance of a message, steganography conceals the very existence of the message itself.The history of steganography dates back to ancient times. The Greeks used it to send secret messages during wars by writing on wooden tablets and covering them with wax. In modern times, with the advent of digital technology, steganography has evolved significantly. Today, it can be applied to various digital formats, including images, audio files, and video files. For instance, a simple image can contain hidden text that can only be revealed through specific software tools designed to extract the concealed information.One of the most common methods of steganography in images is known as Least Significant Bit (LSB) insertion. In this technique, the least significant bits of pixel values in an image are replaced with bits of the secret message. Since changes made to these bits are imperceptible to the human eye, the original image appears unchanged while it secretly carries hidden data. This method has become popular among digital artists and security professionals alike, as it allows for the discreet sharing of sensitive information.The applications of steganography are vast and varied. It can be used for secure communications, copyright protection, and digital watermarking, among other things. For example, journalists working in oppressive regimes might use steganography to communicate sensitive information without the risk of interception. Similarly, businesses may employ this technique to protect proprietary information from competitors.However, the use of steganography is not without its challenges. As technology advances, so do the methods used to detect it. Law enforcement agencies and cybersecurity experts are continuously developing tools to uncover hidden messages, which poses a constant threat to those who rely on steganography for secure communication. Moreover, ethical concerns arise when considering the potential for misuse. Just as steganography can be used for legitimate purposes, it can also facilitate illegal activities, such as the distribution of illicit content or the planning of criminal acts.In conclusion, steganography is a powerful tool in the realm of information security, allowing individuals and organizations to communicate discreetly in an increasingly interconnected world. Its ability to hide messages in plain sight makes it an intriguing subject of study, blending art, science, and technology. As we continue to navigate the complexities of digital communication, understanding techniques like steganography will be essential for both protecting sensitive information and recognizing potential threats to our privacy.

在数字时代，信息是一项至关重要的资产，安全通信的需求从未如此重要。一种实现这一目标的迷人方法是通过一种称为隐写术的技术，它源自希腊词“steganos”，意为“覆盖”，“graphy”意为“书写”。本质上，隐写术指的是将消息隐藏在其他非秘密文本或数据中，使得普通观察者无法检测到隐藏消息的存在。与改变消息外观的密码学不同，隐写术掩盖了消息本身的存在。隐写术的历史可以追溯到古代。希腊人在战争期间使用它通过在木板上写字并用蜡覆盖来发送秘密消息。在现代，随着数字技术的出现，隐写术发生了显著变化。今天，它可以应用于各种数字格式，包括图像、音频文件和视频文件。例如，一幅简单的图像可以包含隐藏的文本，这些文本只能通过特定的软件工具提取。在图像中，隐写术最常见的方法之一被称为最低有效位（LSB）插入。在这种技术中，图像中像素值的最低有效位被替换为秘密消息的位。由于对这些位的更改对人眼是不可察觉的，因此原始图像看起来没有变化，同时它秘密地携带了隐藏的数据。这种方法在数字艺术家和安全专业人士中变得流行，因为它允许以低调的方式共享敏感信息。隐写术的应用广泛而多样。它可以用于安全通信、版权保护和数字水印等多个领域。例如，在压迫政权下工作的记者可能会使用隐写术来传递敏感信息，而不必担心被拦截。同样，企业也可能采用这种技术来保护专有信息不被竞争对手窃取。然而，隐写术的使用并非没有挑战。随着技术的进步，检测隐写术的方法也在不断发展。执法机构和网络安全专家正在不断开发工具来揭示隐藏的消息，这对依赖隐写术进行安全通信的人构成了持续威胁。此外，当考虑到潜在的误用时，伦理问题也随之而来。正如隐写术可以用于合法目的，它也可能促进非法活动，例如分发非法内容或策划犯罪行为。总之，隐写术是信息安全领域中的一项强大工具，使个人和组织能够在日益互联的世界中进行隐秘交流。它在显而易见的地方隐藏消息的能力使其成为一个引人入胜的研究主题，融合了艺术、科学和技术。随着我们继续应对数字通信的复杂性，理解像隐写术这样的技术将对保护敏感信息和识别潜在的隐私威胁至关重要。