A common attack is to "downgrade" a device's firmware to an older version that had a known security vulnerability.
git clone https://source.codeaurora.org/external/qoriq/qoriq-components/cst cd cst make qoriq trust architecture 2.1 user guide
./cst --sign-debug-challenge --challenge 0xABCD1234... --key srk1_4096.pem --out response.bin A common attack is to "downgrade" a device's