OTAC

Dynamic code generation

Generates unique, time-based authentication codes that change constantly, preventing reuse and unauthorized access

Offline functionality

Allows users to generate authentication codes without a network connection, enabling use in environments with poor or no connectivity

Single-step identification and authentication

Combines user identification and authentication into a single step, simplifying the authentication process

Lightweight implementation

Uses a compact algorithm under 4KB, enabling deployment on various devices with minimal CPU load and power consumption

Configurable parameters

Supports customizable code parameters, including code length and issuance medium, allowing flexibility in implementation across different use cases