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index.js
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index.js
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'use strict';
var crypto = require('crypto');
/**
* generates random string of characters i.e salt
* @function
* @param {number} length - Length of the random string.
*/
var genRandomString = function(length){
return crypto.randomBytes(Math.ceil(length/2))
.toString('hex') /** convert to hexadecimal format */
.slice(0,length); /** return required number of characters */
};
/**
* hash password with sha512.
* @function
* @param {string} password - List of required fields.
* @param {string} salt - Data to be validated.
*/
var sha512 = function(password, salt){
var hash = crypto.createHmac('sha512', salt); /** Hashing algorithm sha512 */
hash.update(password);
var value = hash.digest('hex');
return {
salt:salt,
passwordHash:value
};
};
function saltHashPassword(userpassword) {
var salt = genRandomString(16); /** Gives us salt of length 16 */
var passwordData = sha512(userpassword, salt);
console.log('UserPassword = '+userpassword);
console.log('Passwordhash = '+passwordData.passwordHash);
console.log('nSalt = '+passwordData.salt);
}
saltHashPassword('MYPASSWORD');
saltHashPassword('MYPASSWORD');