The argument names have also changed to better describe the purpose of the argument. notp.getTOTP(args, err, cb) -> (key, opt).notp.getHOTP(args, err, cb) -> (key, opt).It takes a secret key, either as an argument or can be entered when prompted on standard input, and generates a token assuming SHA1, Unix timestamp for start, and 30 second time intervals. notp.checkTOTP(args, err, cb) -> (token, key, opt) generate.php is a script that acts exactly like Google Authenticator.notp.checkHOTP(args, err, cb) -> (token, key, opt).Some of the required arguments to the functions have also been removed from the args parameter and are passed as separate function parameters. This reflects the fact that the functions are actually synchronous and perform no I/O. ChangedĪll of the APIs have been changed to return values directly instead of using callbacks. If you wish to encode/decode base32 you should install a module to do so. The encBase32 and decBase32 methods have been removed. Return a time based one time password optĭefault - 30 Migrating from 1.x to 2.x Removed This should be stored by the application, must be user specific, and be incremented for each request. Return a counter based one time password optĬounter value. This must be the same for every request and is used to calculate C. if window = 5 and counter = 1000 all tokens between 9 will be checked against the supplied token The function will check window codes in the future against the provided token. delta is the count skew between client and server. Returns null if token is not valid for given key and options. There are 59 other projects in the npm registry using otpauth. Start using otpauth in your project by running npm i otpauth. Latest version: 9.2.2, last published: a month ago. Note: If your label has spaces or other invalid uri characters you will need to encode it accordingly using encodeURIComponent More details about the uri key format can be found on the google auth wiki API hotp.verify(token, key, opt)Ĭheck a counter based one time password for validity. One Time Password (HOTP/TOTP) library for Node.js, Deno, Bun and browsers. replace ( /= /g, '' ) // to create a URI for a qr code (change totp to hotp if using hotp) var uri = 'otpauth://totp/somelabel?secret=' + encodedForGoogle When the connected application requests a one-time password, go to TOTP.APP, look at the current one-time password for this application and enter it into needed field in the application. How to use: Add TOTP.APP to your browser bookmarks. encode ( key ) // Google authenticator doesn't like equal signs var encodedForGoogle = encoded. After application is added, TOTP.APP will generate one-time passwords for this application every 30 seconds. Var base32 = require ( 'thirty-two' ) var key = 'secret key for the user' // encoded will be the secret key, base32 encoded var encoded = base32.
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