First method, you hash the password, second method, you need to compare the new sign-in password with the stored password. scrypt is callback based so with promisify we can await it The second parameter will be the key, which is where we’ll pass in our salt.Import from "crypto" We’ll use the **crypto.createHmac(algorithm, key)**, which creates and returns an Hmac object that uses the given algorithm and key. Next, we’ll define our hashing algorithm to perform the hashing and salting logic. toString('hex') method converts the string to hexadecimal format, while slice(0, rounds) returns just the number of the required value. A basic understanding Node.js A code editor, such as VS Code, installed POSTMAN installed MongoDB set up Writing the hashing functions Basically we will have three functions to carry out each of the following tasks. Running node index on the console prints the generated random string. Return crypto.randomBytes(Math.ceil(rounds / 2)).toString('hex').slice(0, rounds) Throw new Error('rounds param must be a number') Nest itself does not provide any additional package on top of this module to avoid introducing unnecessary abstractions. let generateSalt = rounds => is greater than 15,Must be less that 15`) Node.js provides a built-in crypto module that you can use to encrypt and decrypt strings, numbers, buffers, streams, and more. We’ll add a simple validator to check whether the number is greater than 15. This function will take in a number as a parameter to define the length of the salt. The next step is to create a function to generate the random salt. We’ll start by requiring the Node.js crypto module and before creating a simple function to log the functions on the console. If you get Hello.I'm a nodejs developer printed on the consol, you’re good to go. console.log(`Hello.I'm a nodejs developer`) touch index.jsĪdd the following to your index.js file. This is the root of the application and where we’ll be writing all our hashing codes. To create that, run the following on your terminal. To set up a Node.js application, you’ll need a package.json file to document the dependencies.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |