Function oath::totp_custom
[−]
[src]
pub fn totp_custom<D: Digest + Default>(
key: &[u8],
digits: u32,
epoch: u64,
time_step: u64,
current_time: u64
) -> u64
Low-level function, that computes an one-time password using TOTP algorithm.
It's generic over hashing algorithm D
.
key
is a slice, that represents the shared secret;
digits
- number of digits in output (usually 6 or 8);
epoch
- initial counter time T0 (default value is 0);
time_step
- time step in seconds (default value is 30);
current_time
- current Unix time (in seconds);
Example
extern crate sha_1 as sha1; extern crate oath; use sha1::Sha1; use oath::totp_custom; fn main () { assert_eq!(totp_custom::<Sha1>(b"\xff", 6, 0, 1, 23), 330795); }