Tag：digital signature
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Time：2020-11-24
In the bitcoin white paper, there are three key words that explain what transactions are. Although digital signatures partly solve the problem of e-cash system, it still needs the support of the third party to prevent double payment, then the system will lose its value of existence. An electronic currency is defined as a chain […]
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Time：2020-11-21
In the last article, we focus on digital signature. In this article, we explore the source code of bitcoin transactions and answer the following questions: How to give e-money a unit. How to divide an electronic currency into several electronic currencies. How to integrate multiple e-money into one e-money. How to represent an unused electronic […]
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Time：2020-10-29
First of all, I’ll post the article I’ve read:1.http://www.cnblogs.com/xiekel…2.http://blog.leapoahead.com/20…3.http://blog.leapoahead.com/20…4.jwt demo ：https://github.com/bigmeow/JWTFive https://github.com/jwtk/jjwt There are several good ones here, which are officially recommendedSix http://blog.csdn.net/koastal/… Anti replay attack scheme based on timestamp and nonce The company’s current web design is based on HTTP basic auth, and has always felt that there will be great security problems, and […]
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Time：2020-9-6
How to install Chinese input method in Kali Linux It’s very simple to install the input method. Just follow my step by step. Here I summarize my problems and solutions 1. In order to install successfully, update the source -apt-get update 2. Installation input method -apt-get install ibus ibus-pinyin 3. If the above is not […]
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Time：2020-8-19
Network transmission of data will face data eavesdropping, tampering, counterfeiting. These three attacks will destroy the privacy, integrity and mutual trust of the two sides of the communication respectively. One way encrypted hash hash is not an encryption algorithm in strict senseMD5 (message digest algorithm 5): message digest algorithmSha (secure hash algorithm): secure hash algorithmHMAC […]
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Time：2020-7-30
Devui is a team with both design and engineering perspectives. It serves Huawei cloud devcloud platform and several Huawei internal middle and back-end systems, as well as designers and front-end engineers.Official website: devui.designNg component library: ng devui (welcome to star)Official communication group: add devui small assistant (micro signal: devui official) into the group introduction This […]
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Time：2020-7-1
Xiaomo always tells you how good the blockchain is and how much it will help the development of the copyright field in the future. As the saying goes, “a slap won’t make a sound… A hole can’t come…”!According to the data of the white paper on copyright protection of Chinese online literature in 2016, in […]
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Time：2020-6-9
1. Overview of HTTP interface security: 1.1. HTTP interface is one of the important ways to connect the various systems of the Internet. Using HTTP interface is very convenient for development and call, and it is also widely used. It can enable data exchange and sharing between different systems. However, because HTTP interface is open […]
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Time：2020-6-5
introduction Recent studiesjwtLearning is crazy. I seldom dream before. I dream everyday these two days. Dream of writing by yourselfjwt, dream of makinghttp 3.0Norm, dreamGithubKill me. Maybe it’s another level. I read a lot of blogs recently to studyjwt, found a lot of blogs rightjwtThere was a misunderstanding, so I went out of my wayjwtThe […]
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Time：2020-4-6
What is cookie Cookie(also calledWeb CookieOr browserCookie）It is a small piece of data sent by the server to the user’s browser and saved locally. It will be carried and sent to the server the next time the browser makes a request to the same server. Usually, it is used to tell the server whether two […]
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Time：2019-1-17
Have you ever thought about how the mining process of block chains works, or how your transactions are confirmed and added to the block chains? Okay, so am I. Since I couldn’t find any clear step-by-step explanations for this process, I decided to go into it and write my own guide. Here are seven steps […]
