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Bcryptjs

Basic start up

https://www.npmjs.com/package/bcryptjsΒ 

Terminal
npm install bcryptjs npm install --save @types/bcryptjs

Hash and compare

Basically, we can use the bcrypt to hash the plain password to hashed value.

hashed.ts
import { bcrypt } from 'bcryptjs'; const salt = 12; // Default is 10 // Hash data const hash: string = bcrypt.hashSync("data_that_want_to_hash", salt); // Compart hashed and incoming data const isMatch: boolean = bcrypt.compareSync("incoming_data", hash);

For password checking

Basically, we can use the bcrypt to hash the plain password to hashed value.

hashed.ts
import { bcrypt } from 'bcryptjs'; const salt = 12; function hashPlainPassword(plainPassword: string): string{ return bcrypt.hashSync(plainPassword, salt); } function checkPasswordHash(userInputPlainPassword: string, hashedValue: string): boolean{ return bcrypt.compareSync(userInputPlainPassword, hash); }
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