2FA Authenticator App
A desktop two-factor authentication (2FA) app for Time-based One-Time Passwords (TOTP), built in Python with CustomTkinter. Secrets are encrypted with AES-256-GCM using a key derived from your PIN or password (scrypt) and stored in the OS keyring. Includes QR code import, auto-lock, a wrong-attempt lockout that survives restarts, and encrypted backups.