Released only in commonjs format for stability. While Node.js v13 onwards shipped with it enabled by default.Īs the feature is still listed as experimental, the packages in this project will continue to be Node.js 12 introduced ECMAScript modules support behind the -experimental-modules flag, Provide any backup code related verification logic, and thus would have to be It is common for services to also provide a set of backup codes to authenticateĪnd bypass the OTP step in the event that you are not able to access your 2FAĪs this process is separate from the specifications for OTP, this library does not > secret = 'KVKFKRCPNZQUYMLXOVYDSQKJKZDTSRLD ' # You should see something like: # Node v8.9.4, local-repl 4.0.0 # otplib 10.0.0 # Context: otplib # > In RFC 6238, the secret / seed length for different algorithms are predefined: Paired with the gzipped browser buffer.js module, it would be about 7.65KB + 9.53KB = 17.18KB.įor more details, please refer to the documentation. The approximate size for the optimised, minified + gzipped bundle is 9.53KB. Browser is a umd bundle with some node modules replaced to reduce the browser size. You to find more details in the core-async folder. This was added as some libraries like expo.io or even Async SupportĪsync support was introduced in v12.0.0 as an additional core library. js files.Īs of v12.0.0, the library has been re-written in Typescript from the ground up. TypeScript support was introduced in v10.0.0, which added type definitions over. Please check out the docs if you are migrating.Ī preset adapter is available to provide methods that behave like v11.x of otplib. V12.x is a huge architectural and language rewrite. Therefore, if there are any releases or updates to a package, we will bump all packages.Ĭheck out the release notes associated with each tagged versions To simplify releases, all packages within this repository have their versions synced. Please check upgrade notes for more information,Įspecially before making any major upgrades. As such, major version bumps usually mean API changes or behavior changes. // // įor more details, please refer to the documentation. If you need to customise your base32 or crypto libraries,Ĭheck out the In-Depth Guide and Available Packages In Node.js default-async (same as default, but with async methods).This library is also compatible with Google Authenticator,Īnd includes additional methods to allow you to work with Google Authenticator. These datasets can be found in the tests/data folder. Otplib is a JavaScript One Time Password (OTP) library for OTP generation and verification.Īnd are tested against the test vectors provided in their respective RFC specifications. Difference between Authenticator and TOTP.Time-based (TOTP) and HMAC-based (HOTP) One-Time Password library
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