Totpex v0.1.4 Totpex View Source
Generate a Time-Based One-Time Password used from 2 factor authentication. Official specification: https://tools.ietf.org/html/rfc6238
To accomodate Google Authenticator secrets are accepted with or without padding.
Link to this section Summary
Functions
Generate Time-Based One-Time Password. The default period used to calculate the moving factor is 30s
Validate Time-Based One-Time Password. Accepts the following options
Link to this section Functions
Generate Time-Based One-Time Password. The default period used to calculate the moving factor is 30s
The secret should be valid Base32
encoded, with or without padding.
Examples
iex> generate_totp(Base.encode32("My secret"))
"79727"
Validate Time-Based One-Time Password. Accepts the following options:
:period
- moving factor in integer seconds (integer, default 30):grace_periods
- number of periods offset from current time to accept as valid tokens (integer, default 0)