If you don't increment the rollback protection counter, an attacker can force your device to revert to a vulnerable firmware version. Always set rollback_counter: +1 in your manifest.
Instead of raw .bin or .hex files, EFRPME uses .efp packages. These contain:
Add the EFRPME client library to your firmware code. The initialization takes ~10 lines of C/C++: efrpme easy firmware top
#include <efrpme_client.h>
void setup_firmware_manager() efrpme_config_t config = .server_url = "https://ota.yourdomain.com", .device_id = get_unique_id(), .public_key = root_of_trust_cert ; efrpme_init(&config); efrpme_auto_update_enable(true);
efrpme top --repack fw_extracted/ -o patched_firmware.bin
binwalk -e firmware_dump.bin
If squashfs or cramfs is found, mount it: If you don't increment the rollback protection counter,
unsquashfs -d extracted squashfs_root
Advanced scripts (like efrpme_unpack) might recursively extract nested filesystems.