The following online tool can be used for converting the seed:īase16 seed: e0b10ee3a4bb2598c0575539529f33 (used by Swivel)īase 32 seed: 4CYQ5Y5EXMSZRQCXKU4VFHZT (used by Google Authenticator)ĭownload the Google Authenticator from the appropriate app store. Google enforces a minimum seed length of 16 characters or 80-bits. Multiple device support, Mobile app and web access with multiple. 2 Cross-platform 2FA Authenticator with TOTP & HOTP generator with sharing capabilities and password manager integration. 1 Open Source Cross platform password manager. Swivel uses a Hexadecimal seed, to generate a valid seed see seed.Ĭonvert the Hexadecimal seed ((A-Z, 0-9) into Base32 (A-Z, 2-7 and = for padding), for Google. Free and open source app for Android to manage your 2-step verification tokens. Configuring a software token is similar to configuring a hardware token. nodejs otp browser two-factor hotp authenticator hmac google-authenticator two-factor-authentication 2fa one-time-passwords Updated TypeScript ente-io / auth Star 1k. Code Issues Pull requests Generate Time-based OTPs in accordance with IETF RFC6238. One Time Password (OTP) / 2FA for Node.js and Browser - Supports HOTP, TOTP and Google Authenticator. There are 2 major standards to 2FAs: - HOTP: HMAC-Based One-Time Password Algorithm - TOTP: Time-Based One-Time Password Algorithm The choice between the two depends on the specific requirements. But is Google Authenticator the only option, or should you give one of the many alternatives like Microsoft Authenticator or Twilio. totp hotp google-authenticator two-factor-authentication 2fa rfc-6238 rfc-4226 Updated Shell ekamwalia / totp Star 6. Almost all services are compatible with it, and some even provide a link to the app when you set up 2FA. There are 278 other projects in the npm registry using speakeasy. Start using speakeasy in your project by running npm i speakeasy. Latest version: 2.0.0, last published: 8 years ago. Google Authenticator uses HMAC-SHA1 seeds.Ĭurrently Swivel is not compatible with the Authenticator Time Based OATH TOTP token as Swivel tokens use a 30 second refresh, and Google Authenticator uses a 60 second refresh.įor configuring the seeds on the Swivel server see Token. Google Authenticator is the most well-known and widely used authenticator app that generates such codes. One-time passcode generator (HOTP/TOTP) with support for Google Authenticator. Google Authenticator supports the use of OATH HOTP such as used with the Swivel Token, and software tokens with a valid Seed can be used to authenticate Swivel users. The second one is a counter, which is a variable stored on the server and the token (these two are. The first one is the seed shared by the server and the HOTP token, this is a constant that validates the OTPs. 4 Configure the Google Authenticator App HOTP (HMAC based OTP algorithm) is also often referred to as event-based one time pass.
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