totp-rs

This library permits the creation of 2FA authentification tokens per TOTP, the verification of said tokens, with configurable time skew, validity time of each token, algorithm and number of digits! Default features are kept as low-dependency as possible to ensure small binaries and short compilation time

## Features

qr

With optionnal feature "qr", you can use it to generate a base64 png qrcode

serde_support

With optionnal feature "serde_support", library-defined types will be Deserialize-able and Serialize-able

## How to use

Add it to your Cargo.toml: toml [dependencies] totp-rs = "~0.5" You can then do something like: ```Rust use std::time::SystemTime; use totp_rs::{Algorithm, TOTP};

let totp = TOTP::new( Algorithm::SHA1, 6, 1, 30, "supersecret", ); let time = SystemTime::now() .durationsince(SystemTime::UNIXEPOCH).unwrap() .assecs(); let url = totp.geturl("user@example.com", "my-org.com"); println!("{}", url); let token = totp.generate(time); println!("{}", token); ```

With qrcode generation

Add it to your Cargo.toml: toml [dependencies.totp-rs] version = "~0.5" features = ["qr"] You can then do something like: ```Rust use totp_rs::{Algorithm, TOTP};

let totp = TOTP::new( Algorithm::SHA1, 6, 1, 30, "supersecret", ); let code = totp.get_qr("user@example.com", "my-org.com")?; println!("{}", code); ```

With serde support

Add it to your Cargo.toml: toml [dependencies.totp-rs] version = "~0.5" features = ["serde_support"]