Reverse OTP Protocol
SYR-ROOT's Reverse OTP Protocol is a security mechanism that reverses the traditional one-time password flow, enhancing authentication security by having the server generate and validate OTPs in a novel way.
Background
- **SYR-ROOT** is a group ("Team SYR") that develops security research tools, particularly related to authentication systems.<br>- The **Reverse OTP Protocol** (repo: `syrot`) is their project that inverts the typical OTP flow. Instead of a website asking *you* for a code, your device sends the OTP to the website on your behalf — effectively flipping who initiates the challenge.<br>- This matters because it challenges the standard assumption in **two-factor authentication (2FA)**: that the user manually enters a time-based one-time password (TOTP) from an authenticator app. Automating that flow from the client side has security implications (bypassing the "something you have" factor if done improperly) and could be used in penetration testing or red-team tooling to test how well a system enforces 2FA.<br>- The repo name is a play on "TOTP" (Time-based One-Time Password) spelled backward, signaling the reversed direction of the protocol.