PHP encryption and decryption algorithm function, mcrypt_encrypt is no longer recommended

There is a warning on the official website: This function has been DEPRECATED as of PHP 7.1.0. Relying on this function is highly discouraged. So what function is used for encryption and decryption?

黄舟 2017-05-16 13:16:22 0  4  755

javascript - js and c++ encryption and decryption through des

I would like to ask the experts if there are any useful libraries and manuals for javascript and c++ des encryption and decryption. Or beg for a demo~

ringa_lee 2017-05-16 13:27:02 0  1  1003

User update problem

The password in the data table is SHA1 encrypted. Later, the update was re-encrypted, resulting in the inability to log in after the update. I would like to know how the teacher solved it later. It seems that it was not mentioned in the class?

拼搏奋斗 2019-08-08 09:49:51 0  1  1172

About PHP and JAVA 3DES encryption issues

I want to write an encryption class in Java using PHP, but I saw this writing method in Java and it gave me a headache. Totally illogical. I found a complete class and wanted to refer to it. After many experiments, I could not translate the encryption class I uploaded into PHP. Please help me. Thank...

给我你的怀抱 2017-06-15 09:21:44 0  1  919

javascript - Choose a suitable front-end framework

The company is developing an email gateway and needs to encrypt and decrypt sent emails. It only needs to configure a few issues. The company requires a new framework that has not been used before and reuse it for future projects. Future projects are unknown. I am now The initial idea is that as lon...

phpcn_u1582 2017-07-07 10:34:25 0  3  889

3DES encryption, how to save the key

When doing a Springboot project, you need to use 3DES encryption, generate a key locally, and send it to another server. Other classes in the program will also use this local key. How should I save this local key? What's good about it? Any method? I’m a novice, please give me some advice.

伊谢尔伦 2017-06-23 09:12:42 0  1  828

javascript - vue project, how to import all functions of another js file in one js file

A login component needs to use RS encryption and imports three files Barrett.js, BigInt.js and RSA.js. The file tree and login are imported as shown in the figure: login: But I only exported the functions needed in the component in the js file. Taking the RSA file as an example, the RSAkeyPair funct...

PHP中文网 2017-06-12 09:31:59 0  1  1053

How to do PHP encryption authorization and packaging?

Recently, I have a project requirement like this. I have never been involved in writing PHP before. I would like to ask for advice: Is it possible to package PHP into an installation package for one-click installation (windows environment)? Code encryption is recommended. How to authorize? To put it...

怪我咯 2017-05-19 10:08:32 0  5  906

This is a big php programming question. I have no choice. Please help.

Define a parent class Person (person), including two attribute members xm (name) and xb (gender) and a constructor. xm and xb cannot be read and written directly in the main program. The name and gender are initialized in the constructor. . Define a subclass teacher (teacher) inherited from Person, ...

有为鱼 2019-01-08 15:02:44 0  3  1105

The website has been hacked. Please tell me how to encrypt the content of datebase.php.

The website ransomware attack should be a general attack, because it was a website under development, and only two people were logging in. Checking the log, the attacker only did it a few times, then came in, deleted the database, and replaced it with ransom information. The hacker's code should hav...

言茗℡¹³⁹⁰⁶⁰⁵⁶⁰³⁶ 2020-10-31 15:26:42 1  4  1220

How to create a visual editing website in PHP?

Learned a little bit of php development. I have seen many visual editing websites on the market. Register as a member and select a template to edit. The web page is highly operable. I studied it for 1-2 weeks with a learning mentality, and found that I had no foundation at all. I found several sets ...

阿浓 2019-02-19 00:48:01 0  5  1507

Ways to fix issue 2003 (HY000): Unable to connect to MySQL server 'db_mysql:3306' (111)

I recently tried to containerize my FastAPIPython server (also for replication/doubling purposes). Before, I had just a MySQL server in a Docker container and everything was fine, but when I also made my web server a service, it couldn't connect to the MySQL server, so now the application doesn't wo...

P粉178132828 2023-09-05 11:18:47 0  1  797

Experiment with sorting after query limit

So this is my first question here, please forgive me if something is wrong. I'm trying to make a sort query based on constraints. So there is a Customers table with 90 records. I want to first perform a query limited to 3 records, and then sort the results of this query by a column called ContactNam...

P粉237125700 2023-09-05 14:46:42 0  1  711

CSS Grid: Create new row when child content overflows column width

I have a two column layout based on CSS grid. When the content of the second column exceeds 1fr I want to create a new row. As it currently stands, the content simply overflows the column. One requirement of this layout is that the items in the right menu column are in one row. I achieve this with: ...

P粉212114661 2023-09-05 15:18:28 0  1  598

PHP full text search functionality using AND, OR and NOT operators

Newbie question: I'm trying to implement a full text search on a search string using php and eloquent. $searchstring="+(victimsuspect)+crime-covid";$searchresult=RssItem::whereRaw("MATCH(description)AGAINST('$searchstring'INBOOLEANMODE)")->ge

P粉076987386 2023-09-05 15:06:32 0  1  558

Shortest way to convert all PHP types to string

I'm writing a general system that I hope can one day be applied to fields like medicine (i.e. it's "scientific"). I think the best way is to represent all the data in php with strings (true will be "true", false will be "false" and so on). The reason for this is that in...

P粉369196603 2023-09-05 15:34:44 0  1  989

How to get average of DATETIME column in MySQL while grouping by other columns

I'm creating and populating a MySQL table using the following query: SETtime_zone='+00:00';CREATETABLEtimestamp_n_datetime(idINT,timeDATETIME,avg_timeDATETIME);INSERTINTOtimestamp_n_datetime(id,time,avg_time)VALUES("1","2023-01-0310:

P粉460377540 2023-09-05 11:46:21 0  1  500

Multi-device (mobile phone) synchronization - React Native

I'm trying to create a Lightshow that will launch on all users' mobile devices at the same time (can have up to 2000-3000 users). All users will use the Internet (Wi-Fi or mobile data). In our FE we use Apollo for subscriptions and it works like a charm. But the problem is, user A can get subscribed...

P粉151466081 2023-09-05 11:58:38 0  1  691