09 CÂU HỎI KIỂM TRA CÁC KIẾN THỨC CƠ BẢN VỀ BẢO MẬT STM32 Nguồn: STMicroelectronics 1. What is a secure boot purpose ? A mechanism that ensures application code executed is genuine A mechanism that ensures boot code never crash A mechanism that ensures your IOT device is registered to a server 2. What is SHA256 ? A hash algorithm A signature algorithm An encryption algorithm 3. What is the role of the firewall on STM32 ? A software system that filters illegal memory accesses A hardware mechanism to create a security enclave A hardware mechanism used to protect against attack on the debug port 4. Can a Non-Secure interrupt occur during execution of Secure service in TrustZone environment ? Yes No 5. To encrypt a big datafile, it’s better to use : Asymmetric cryptography Symmetric or Asymmetric, it’s just a different security scheme Symmetric cryptography 6. This information is present in a certificate : A private key encrypted with its signature A public key with its signature An encrypted public key 7. When using asymmetric cryptography, which key is used to check a signature ? The private key The public key 8. What is the link register in Cortex M ? It contains the address of current executed instruction It contains the return address of function call If is used to link 2 registers 9. What is the meaning of RDP ? Real Dual Protection Reinforced Dual Protection ReaDout Protection Loading … 2021-10-06