Auth utilities class

Main Functionality

This is a collection of utility functions for use in authentication

Main functions

Constructor takes default values object

const defaultValues = {
    defaultAlgorithm: 'sha512',
    defaultSecret: 'dev-secret',
    defaultOutputType: 'base64'
};

const authUtil = new AuthUtil(defaultValues);

Creates hash of password -> returns string

• this string contains $algorithm.hash.salt

createPasswordHash(password, secretKey, algorithm, outputType)

Verify hash -> returns true or false

• Password: user password
• passwordHash: hash stored in the database as it is -> created by createPasswordHash() function
• secretKey: optional key, if different then the key used at initialization

verifyPasswordHash(password, passwordHash, secretKey)

Create JWT -> returns url safe jwt string

• This string follows jwt specification

createJWT(header, payload, key)

verify JWT signatures -> returns true or false

• Returns true or false

verifySignatureJWT(jwt, key)

read JWT -> return object containing header, payload, signature

• Returns object containing { header: {}, payload: {} }

readJWT(jwt)