Node.js cipher.update() Method - GeeksforGeeks (2024)

Node.js cipher.final() Method

The cipher.final() method in Node.js is used to signal to the cipher object that the encryption or decryption process is complete. This method must be called after all data has been passed to the cipher object using the cipher.update() method. The cipher.final() method returns the remaining encrypted or decrypted data as a Buffer object. If the out

Node.js cipher.setAAD() Method

The cipher.setAAD() method is used in Node.js to set the additional authenticated data (AAD) for an encrypt/decrypt stream. The AAD is a chunk of data that is authenticated but not encrypted. It is useful for sending data alongside an encrypted message that needs to be authenticated but does not need to be kept secret. Syntax: cipher.setAAD(aad[, o

Node.js cipher.getAuthTag() Method

The cipher.getAuthTag() method returns a buffer containing the authentication tag that has been computed from the given data. This method should be called after using the final method. The Buffer objects are used for representing the fixed length of the sequence of bytes. Syntax: cipher.getAuthTag() Parameters: This method does not accept any param

Node.js cipher.setAutoPadding() Method

In this article, we will discuss about the setAutoPadding() method in the cipher class of the crypto module in Node JS. This method is used to automatically add padding to the input data of the appropriate size. To disable the padding, one can use cipher.setAutoPadding() with the false parameter. Note: This method must be called before the final me

Node.js hmac.update() Method

The hmac.update() method is an inbuilt method of class HMAC within the crypto module which is used to update the data of hmac object. Syntax: hmac.update(data[, inputEncoding])Parameters: This method takes the following two parameters: data: It can be of string, Buffer, TypedArray, or DataView type. It is the data that is passed to this function.in

Node.js verify.update(data[, inputEncoding]) Method

The verify.update() method is an inbuilt method in verify class within the crypto module in NodeJs. This method verifies the content within the given data. When the input encoding parameter is not specified and it detects that the data is a string, the 'utf8' encoding is used. However, if the data is the type of Buffer, TypedArray or DataView, then

Node.js decipher.update() Method

The decipher.update() method is an inbuilt application programming interface of class Decipher within crypto module which is used to update the decipher with the data according to the given encoding format. Syntax: const decipher.update(data[, inputEncoding][, outputEncoding]) Parameters: This method takes the following parameter: data: It is used

Node.js hash.update() Method

The hash.update( ) method is an inbuilt function of the crypto module’s Hash class. This is used to update the hash with given data. This method can be called multiple times to update the content of the hash as this method can take streaming data, such as file read stream. This function takes data as an argument to generate the hash, this can be a

Node.js sign.update(data[, inputEncoding]) Method

In this article, we will discuss about the sign.update() method in the sign class of the crypto module in NodeJS. This method updates the sign content with the given data and input encoding. If the provided data object is a Buffer, TypeArray, or DataView, then any given inputEncoding parameter is ignored. Syntax: sign.update(data, inputEncoding) Pa

How to update a record in your local/custom database in Node.js?

The custom database signifies the local database in your file system. There are two types of database ‘SQL’ and ‘NoSQL’. In SQL database, data are stored as table manner and in Nosql database data are stored independently with some particular way to identify each record independently. We can also create our own database or datastore locally in Nosq

How to update single and multiple documents in MongoDB using Node.js ?

MongoDB the most popular NoSQL database, is an open-source document-oriented database. The term ‘NoSQL’ means ‘non-relational’. It means that MongoDB isn’t based on the table-like relational database structure but provides an altogether different mechanism for storage and retrieval of data. This format of storage is called BSON (similar to JSON for

Difference between npm install and npm update in Node.js

NPM is like a powerhouse for Node.js that contains all the necessary modules for the smooth running of the node.js application. It gets installed on our machine when we install Node.js on our Windows, Linux or MAC OS. How to install Node on the machine? Refer to this article. NPM has 580096 registered packages. The average rate of growth of this nu

Node.js MySQL Update Statement

Node.js is an open-source platform for executing JavaScript code on the server-side. It can be downloaded from here. MySQL is an open-source Relational Database Management System (RDBMS) that uses Structured Query Language (SQL). It is the most popular language for adding, accessing, and managing content in a database. Here we will use the MySQL as

How to update all Node.js dependencies to their latest version ?

To update all Node.js dependencies to their latest versions, you can use the npm (Node Package Manager) command-line tool. First, navigate to your project's root directory. Then, run the following command to update all dependencies: npx npm-check-updates -unpm installHow Packages Become Dependencies?When you install a package using npm install

How to update data in sqlite3 using Node.js ?

In this article, we are going to see how to update data in the sqlite3 database using node.js. So for this, we are going to use the run function which is available in sqlite3. This function will help us to run the queries for updating the data. SQLite is a self-contained, high-reliability, embedded, public-domain, SQL database engine. It is the mos

How to Update value with put in Express/Node JS?

Express JS provides various HTTP methods to interact with data. Among these methods, the PUT method is commonly used to update existing resources. PrerequisitesNode JS Express JS In this article, we are going to setup the request endpoint on the server side using Express JS and Node JS. This endpoint will be responsible for updating the existing da

How to Update Node.js and NPM to the Latest Version?

Updating Node.js and NPM to the latest version ensures the newest features, performance improvements, and security updates. This article will guide you through the steps to update Node.js and npm to the latest version on various operating systems, including Windows, macOS, and Linux. To update Node and NPM to latest versions we can use various meth

jQWidgets jqxChart update() Method

jQWidgets is a JavaScript framework for making web-based applications for PC and mobile devices. It is a very powerful and optimized framework, platform-independent, and widely supported. jqxChart is a lightweight and powerful chart widget written 100% in JavaScript. It offers many advanced features and supports three different rendering technologi

jQWidgets jqxNavigationBar update() Method

jQWidgets is a JavaScript framework for making web-based applications for PC and mobile devices. It is a very powerful, optimized, platform-independent, and widely supported framework. The jqxNavigationBar is used for representing a jQuery widget that has header and content sections. On clicking over the header, the content will be expanded or coll

Lodash _.update() Method

Lodash _.update() method accepts an updater to produce the value to set. This method uses _.updateWith() function to customize path creation. It is almost the same as the _.set() function. Syntax:_.update(object, path, updater);Parameters: object: This parameter holds the object to modify.path: This parameter holds the path of the property to set.

Bootstrap 5 Tooltips update() Method

Bootstrap 5 Tooltip is used to show some extra information to the user when the user hovers over the element or when the element with the tooltip is in focus. The update() method is used to update a tooltip instance after we have done setting its configuration and position etc i.e it is used to refresh the tooltip. Syntax: tooltip.update();Return V

Bootstrap 5 Popovers update() Method

Bootstrap5 Popovers update() method is used to re-calculate the position of the popover based on any changes in the content or size. It can be called on the popover instance to dynamically update its position, ensuring that it remains visible and properly aligned with the triggering element. Syntax: const popover = new bootstrap.Popover(element);po

PHP | MySQL UPDATE Query

The MySQL UPDATE query is used to update existing records in a table in a MySQL database. It can be used to update one or more field at the same time. It can be used to specify any condition using the WHERE clause. Syntax : The basic syntax of the Update Query is - Implementation of Where Update Query : Let us consider the following table "Data" wi

How to directly update a field by using ng-click in AngularJS ?

In this article, we will see how to update the field directly with the help of the ng-click directive in AngularJS, along with understanding different ways to implement it through the implementations. Any field can be updated with ng-click using a custom JavaScript function. For this, we can make a clickable object in HTML (usually a button) and at

How to update dependency in package.json file ?

In this article, we will discuss how to update the dependencies of a project with npm. You must have heard about npm which is called a node package manager. So, we can run this command to install an npm package. npm install Note: The --save flag is no longer needed after the Node 5.0.0 version. The package gets installed and should be found in the

Mongoose | update() Function

The update() function is used to update one document in the database without returning it. Installation of mongoose module: You can visit the link to Install mongoose module. You can install this package by using this command. npm install mongoose After installing mongoose module, you can check your mongoose version in command prompt using the comm

How to set or update page title using UI-Router?

UI-Router: UI-Router is a client-side router. It is made for single-page web applications. A client-side router updates the browser URL as the user navigates through the single-page app. AngularJS allows you to change your page title at different stages Let's see how to change title using a resolve function in our $state to tell the title using $ro

How to update the state of react components using callback?

The state is mutable in react components. To make the React applications interactive we almost use state in every react component. The state is initialized with some value and based on user interaction with the application we update the state of the component at some point in time using setState method. setState method allows to change of the state

How to update an array element in AngularJS ?

Given an array with an initial array of elements & the task is to update an array element using AngularJS. To update a particular item in an array, there are 2 ways, i.e., either by its value or by its index. Here, we will use the concept of the Property accessors method that is used to access the properties of an object using the bracket notat

How to change/update image size dynamically using amp-bind in Google AMP ?

Sometimes you want to add custom interactivity to your AMP pages to make your pages look more user-friendly and user calling. Although AMP's pre-built components are limited, so amp-bind is made to overcome this problem. It helps the developer to add custom interactivity to the pages without using AMP's pre-built components. You can use amp-bind to