Older technology (and some cheap modern devices) uses static codes. Every time you press the button, the remote sends the exact same signal.
At 30 codes per second (max speed of the CC1101 + protocol overhead), it takes roughly 6.4 days of continuous transmission to try all codes. flipper zero brute force full
Brute forcing is generally only practical for shorter keys (e.g., 8 to 12-bit). For a 64-bit key, a full attack could theoretically take years, making it impractical for modern encryption. Older technology (and some cheap modern devices) uses
The Flipper Zero can act as a universal remote by "brute forcing" its internal library of IR codes. flipper zero brute force full