Qoriq Trust Architecture 21 User Guide -
The Security Monitor is a state machine that tracks the security health of the device. It manages transitions between different security states: Initial validation phase. Trusted: System is running validated code. Non-Trusted: Security has been compromised or disabled. Soft/Hard Fail: Response states to detected threats. 3. Secure Non-Volatile Storage (SNVS)
QorIQ Trust Architecture 2.1 User Guide: A Comprehensive Guide to NXP Secure Boot and Platform Security
Once these fuses are blown, the device will only boot correctly signed code. It cannot be undone. QTA 2.1 vs. Previous Architectures
SHA-1, SHA-256, SHA-384, and SHA-512 for integrity verification. qoriq trust architecture 21 user guide
If you are looking for implementation help without the full guide, you can refer to these publicly available resources:
For advanced details, register for access to the official, NDA-protected through your NXP representative.
The trusted public key decrypts and verifies the signature of the Pre-Boot Loader (PBL) or U-Boot. If validation succeeds, control transfers to U-Boot. The Security Monitor is a state machine that
The primary objective of TA 21 is to ensure that a system only executes verified, untampered code from a trusted source. It provides a foundational layer of protection that operates independently of the main Operating System (OS). Key Objectives of TA 21:
These mechanisms, alongside the anti-tamper features, form a comprehensive data protection solution. The SEC also supports advanced key management features like the Job Descriptor Key Encryption Key (JDKEK) for protecting keys in transit within the chip and Trusted Descriptors for creating secure "applets" that can be safely executed by less-trusted software.
The step-by-step walkthrough of the (RSA-2048/4096, ECC256) is a gold standard. If you need to know exactly where the hash comparison fails, this guide has the register addresses. Non-Trusted: Security has been compromised or disabled
: JTAG debugging features are permanently disabled or restricted via cryptographic challenge-response mechanisms. The device is fully locked down for deployment in untrusted environments. 6. Implementation Best Practices
Program the final configuration fuse, often called the SEC_EN or OEM_PROD fuse. Warning: This step is irreversible. Once blown, the chip will permanently reject any code that is not cryptographically signed by the corresponding private key. 5. Advanced Runtime Security Features
# Generate the key hash structure for OTP fuse blowing cst_key_hash -i oem_private_key.pem -o public_key_hash.bin Use code with caution. Step 3: Create the Command Sequence File (CSF)