HABv4 Secure Boot on i.MX RT: A Production Checklist (Fuses, Keys, Encrypted XIP)
Secure boot on the i.MX RT10xx is a sequence of one-way steps. A production checklist in the order that avoids bricking boards: trust boundary, keys, signing, testing on an open part, fusing the SRK hash, encrypted XIP, closing the part, and locking debug.