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How to use the hash function from bcryptjs

Find comprehensive JavaScript bcryptjs.hash code examples handpicked from public code repositorys.

bcryptjs.hash is a function that generates a salted hash of a password using the bcrypt algorithm.

young.js

GitHub: betagouv/service-national-universel

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  updatedAt: { type: Date, default: Date.now },
});


Schema.pre("save", function (next) {
  if (this.isModified("password") || this.isNew) {
    bcrypt.hash(this.password, 10, (e, hash) => {
      this.password = hash;
      return next();
    });
  } else {

+ 3 other calls in file

userModel.js

GitHub: siddhant7781/NodeJs-Projects

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// userSchema.pre('save', async function (next) {
//     //only run this function if password was actually modified
//     if (!this.isModified('password')) return next();


//     // hash the password with the cost of 12
//     this.password = await bcrypt.hash(this.password, 12);


//     //delete the password confirm field 
//     this.passwordConfirm = undefined;
//     next();

How does bcryptjs.hash work?

bcryptjs.hash is a function provided by the bcryptjs library that generates a hash value for the input password using the bcrypt algorithm, which is a one-way cryptographic hashing algorithm that is designed to be computationally expensive to prevent brute-force attacks. The function takes in a password string and a salt value, which is used to modify the hash output, and returns a Promise that resolves to the hashed password value.

challenge.js

GitHub: Entkenntnis/challenges-server

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  req.flash('changepw', App.i18n.t('register.pwMismatch'))
} else if (newpw1.length < App.config.accounts.minPw) {
  req.flash('changepw', App.i18n.t('register.pwTooShort'))
} else {
  // ready to go
  const password = await bcrypt.hash(newpw1, 8)
  req.user.password = password
  await req.user.save({ silent: true })
  res.renderPage('changepwSuccess')
  return

authController.js

GitHub: DAKSHAY111/MATERIAL-SHARING-DISCUSSION-FORUM

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const jwt = require("jsonwebtoken");
const bcrypt = require("bcryptjs");
const Post = require("../models/postModel");


const hashPassword = async (pass) => {
  pass = await bcrypt.hash(pass, 10);
  return pass;
};


const signToken = (id, expiryTime) => {

+ 9 other calls in file

Ai Example

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const bcrypt = require("bcryptjs");

const password = "myPassword123";
const saltRounds = 10;

bcrypt.hash(password, saltRounds, function (err, hash) {
  if (err) {
    console.error(err);
  } else {
    console.log(`Hashed password: ${hash}`);
  }
});

In this example, bcryptjs.hash is used to hash the plaintext password myPassword123. The saltRounds parameter determines the number of rounds of hashing to apply to the password. The higher the number of rounds, the more secure the resulting hash. The hash parameter contains the resulting hashed password, which can be stored in a database or compared against a previously hashed password to verify a user's identity.

userController.js

GitHub: trungkhiem1412z/app_nodejs

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if (existingUser) {
	res.status(400).json({ message: 'Tài khoản đã tồn tại' });
} else {
	// Mã hoá mật khẩu
	const salt = await bcryptjs.genSalt(saltRounds);
	const hashedPassword = await bcryptjs.hash(password, salt);
	// Upload data
	const user = await User.create({ first_name, last_name, phone, email, password: hashedPassword });
	// Gửi mail khi tạo tài khoản thành công
	mailApp.createAccount(last_name, email);

+ 2 other calls in file

userController.js

GitHub: waqui27/ToDo_plus_App_MERN_Stack

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if(existingUser) {
 res.status(401).send("User already found in database")
}

// encrypt the password
const myEncryptPassword = await bcrypt.hash(password, 10)


 // create a new entry in database
 //const newUser = await User.create({

+ 9 other calls in file

User.js

GitHub: abbas-roholamin/mern-plot

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});


schema.pre('save', async function (next) {
  if (!this.isModified('password')) return next();


  this.password = await bcrypt.hash(this.password, 12);
  this.passwordConfirm = undefined;
  next();
});

+ 8 other calls in file

users.js

GitHub: mikematt23/restAPI

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 const query = `SELECT * FROM users WHERE usersName = '${userName}'`
 const user = await db.query(query)
 if(user[0][0] !== undefined){
   return res.json({message: "already a users"})
 }
 await bcrypt.hash(password, 10, async (err,hash)=>{
   let hashedPassword = hash
   await db.query(`INSERT INTO users (usersName,password,email,level,lives) VALUES ('${userName}','${hashedPassword}','${email}',0,0)`)
 })
return res.json({message:"it is working"})

+ 4 other calls in file

userController.js

GitHub: Azzurro-M/DeniaCommunity

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  res.status(400);
  throw new Error("Email already exists");
}
//IF USER NEEDS TO BE CREATED
const salt = await bcrypt.genSalt(10);
const hashedPassword = await bcrypt.hash(password, salt);
const user = await User.create({
  name,
  email,
  password: hashedPassword,

+ 3 other calls in file

profile.js

GitHub: jingjinjessica/CSTP-2204-GroupProject

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const petImageResult = await uploadImage(req, "petImg");
const data = req.body;

// password update
if(data.password && data.password === data.cnfpwd){
    const encryptPassword = await bcrypt.hash(data.password, 10);
    await User.findOneAndUpdate({email:data.email},{$set: {password: encryptPassword}},{new:false});
}
const hasP = await hasProfile(req);
// Owner profile update

+ 9 other calls in file

admin.js

GitHub: LucasFranca65/Controle-PDVs

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    setor: req.body.setor,
    senha: req.body.senha1,
    eAdmin: true
})
bcrypt.genSalt(10, (erro, salt)=>{
    bcrypt.hash(novoUsuario.senha, salt,(erro,hash)=>{
        if(erro){
            req.flash('error_msg',"Houve um erro ao salvar usuario Administrador")
            res.redirect('/admin/users/add_user')
        }

+ 5 other calls in file

student.js

GitHub: ravindra579/folder_strutcure

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} else {
  const rollno = Student.rollno;
  const studentEmail = Student.email;
  const studentName = Student.name;
  const password = crypto.randomBytes(5).toString("hex");
  var encryptedPassword = await bcrypt.hash(password, 8);

  // how to update -> get an instance and then update

  await student.findOne({ where: { rollno: rollno } }).then((record) => {

+ 14 other calls in file

mess.js

GitHub: ravindra579/folder_strutcure

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const createMessAdmin = catchAsync(async (req, res) => {
  const admin = await messAdmin.findOne({ where: { email: req.body.email } });
  if (admin == null) {
    const body = req.body;
    const pswd = await bcrypt.hash(body.pswd, 8);
    const data = await messAdmin.create({
      name: body.name,
      email: body.email,
      pswd: pswd,

+ 4 other calls in file

users.js

GitHub: samh06/tutor-app

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// removed || req.body.isAdmin from the below if statement because it seemed useless because anyone can say they are an admin
if (req.body.userId === req.params.id) {
  if (req.body.password) {
    try {
      const salt = await bcrypt.genSalt(10);
      req.body.password = await bcrypt.hash(req.body.password, salt);
    } catch (err) {
      return res.status(500).json(err);
    }
  }

auth.routes.js

GitHub: jdluis/flexi-learn-server

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const { email, password, type } = req.body;
if (type === undefined) {
  return res.status(400).json({errorMessage: "You should select a type"})
}
const salt = await bcrypt.genSalt(10);
const hashPassword = await bcrypt.hash(password, salt);

const dataSigup = {
  email,
  password: hashPassword,

+ 4 other calls in file

user.controller.js

GitHub: DayanaBiddika/BACK-END-PROJECT-PULSE

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}

// if user not exists 
else {
  // hash the password
  let hashedPassword = await bcryptjs.hash(password, 6);
  req.body.password = hashedPassword;
  await User.create(req.body);
  res.status(201).send({ message: "User Registered successfully" });
}

auth.js

GitHub: XENOX-GRIX/MedStop

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  resetTokenExpiration: { $gt: Date.now() },
  _id: userId
})
  .then(user => {
    resetUser = user;
    return bcrypt.hash(newPassword, 12);
  })
  .then(hashedPassword => {
    resetUser.password = hashedPassword;
    resetUser.resetToken = undefined;

+ 4 other calls in file

utilisateur_model.js

GitHub: mokoa009/dev-festival-api

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async function createUtilisateur(nom,prenom,email,mdp,isAdmin){
    return new Promise((resolve, reject) => {
        //cryptage mdp
        bcrypt.genSalt(10, function (err , salt) {
            if(err) reject(err)
            bcrypt.hash(mdp, salt, function (err, hash) {
                if (err) {
                    console.error('Impossible de crypter le mot de passe')
                    reject(err)
                }

+ 9 other calls in file

userController.js

GitHub: DmHack/servpol

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if (user) {

    jwt.verify(token, process.env.JWT_SECRET_ACCESS_REST_PASS, async (err, user) => {
        if (!err) {
            const salt = await bcrypt.genSalt(10)
            const hashedPassword = await bcrypt.hash(password, salt)
            const refreshToken = generateRefreshToken(id);
            User.findOneAndUpdate({ _id: id }, { password: hashedPassword, refresh: refreshToken }, { upsert: true }, function (err, doc) {
                if (err) return console.log(500, { error: err });
                let transporter = nodemailer.createTransport({

user.routes.js

GitHub: eremziom/fmt-server

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if (oldUser) {
  return res.status(409).send("User Already Exist. Please Login")
}

encryptedPassword = await bcrypt.hash(password, 10)

const newUser = await User.create({
  login: login,
  password: encryptedPassword,

Other functions in bcryptjs

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