/rfc4226-6238

trying https://datatracker.ietf.org/doc/html/rfc6238

Primary LanguageJavaScript

I just want to know how to implement 2FA (HOTP/TOTP) in NodeJS without using libraries. 

## references
1. RFC 4226 (HOTP) https://datatracker.ietf.org/doc/html/rfc4226
2. RFC 6238 (TOTP) https://datatracker.ietf.org/doc/html/rfc6238