Tag：secret key
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Time：2021-9-21
A real-time weather display problem was encountered in the recent project. It was solved through the open API of Gaode map;Leave your thoughts behindIt has been encapsulated into a function. It can be used directly. However, it’s best to test it before use;Idea: First, by calling the API of Gaode map IP location; http://lbs.amap.com/api/webservice/guide/api/ipconfig The […]
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Time：2021-9-14
In manufacturing, medicine and other industries, there are a lot of sleeping data. Using these data will have the potential to promote technological innovation or decrypt the life sciences. But at the same time, these data involve trade secrets and user privacy protection. It has always been a difficult problem to realize secure data sharing […]
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Time：2021-9-9
WireShark Wireshark decrypts TLS data stream in two ways: one is to directly decrypt the server private key, and the other is to use sslkeylogfile to obtain the session key information in the handshake process for decryption. Only the second way to decrypt TLS data is tried here. Available applications include: chrome, Firefox, curl. First, […]
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Time：2021-9-8
preface This paper attempts to use Cowherd and weaver girl to explain HTTPS. Information exchange and transmission have existed since ancient times, but the transmission conductor and exchange mode are constantly changing. Modern information transmission is carried out through the network. The steps of information transmission are simplified: Packaging — > transmission — > unpacking. […]
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Time：2021-9-4
The following is a review of the previous top, middle and bottom three interview questions, with answers. As the saying goes, if the bottom is not firm, the earth will shake. These answers are just for your reference. You can answer them in combination with your own understanding. Let’s take a look at them together, […]
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Time：2021-9-3
preface How to ensure the security of password during transmission / storage when developing website login function? I believe many front-end and back-end friends will be asked similar questions during the interview. When I know nothing about cryptography, I will only answer:“MD5Encryption. “ You don’t know, cryptography in the network seven layer model, or evenwebThere […]
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Time：2021-8-31
case There is a real case. The security scheme is: Offline distribution to customersclientIdandsecretKey。 Request parameters are appendedclientId=xxx&ts=xxx&sign=xxx, where: tsWhen requestedtime stamp, which is the same as that of the server when it receives the requesttime stampCannot exceed1 minute。 signIs a signature string. The signature rule issign = sha256(clientId + “,” + secretKey + “,” […]
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Time：2021-8-31
The English full name of traditional network service program, SSH, is secure shell. By Using SSH, all transmitted data can be encrypted, which can prevent both attacks and IP spoofing. SSH provides two levels of security authentication 1. Password based security authentication, which is also commonly used. As long as you know the user name […]
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Time：2021-8-27
1、 Create an OSS account register Sign in OSSThe password requirements of the account are quite strict, so it is recommended to record and remark well;AndOSSThe user name and password of the account need to be configured toMavenofsetting.xmlIn the file。 2、 Create JIRA issue for new project hosting Log in to the just registeredOSSAccount, click […]
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Time：2021-8-24
Tortoisegit is a git tool used for visual interface, which is basically similar to SVN Link:https://pan.baidu.com/s/1D0Ke… Extraction code: w6d1 One is the tortoisegit tool installation package, and the other is the Sinicization toolFirst install the tortoisegit tool installation package, and then install the Sinicization tool According to the path you need Then install the Sinicization […]
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Time：2021-8-19
In Python, you can use paramiko to execute commands, upload and download files on the remote host. You can also use go to package one. In go, you can use SSH to implement the SFTP package. The following functions are realized Execute the command on the remote host and return the result and value Upload […]
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Time：2021-8-18
background There is a project written in Java, but it is usedxjar(about what xjar is, you can open GitHub to find out.) the class is encrypted and verified by MD5 and SHA1. The class cannot be replaced. When the project is started, there is a verification process. The machine code will be sent to the […]
