Qoriq Trust Architecture 2.1 User Guide -

: A block of Write-Once-Read-Many (WORM) fuses that store the Super Root Key (SRK) hash and "Intent to Secure" bits.

// Using /dev/crypto or keyctl #include <asm/crypto.h> struct caam_snvs_key key; key.slot = 0; memcpy(key.data, user_key, 16); ioctl(fd, CAAM_SNVS_ADD, &key); qoriq trust architecture 2.1 user guide

Before touching registers or keys, you must understand three pillars of TA 2.1: : A block of Write-Once-Read-Many (WORM) fuses that