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 your IOT device is registered to a server A mechanism that ensures boot code never crash 2. What is the link register in Cortex M ? If is used to link 2 registers It contains the return address of function call It contains the address of current executed instruction 3. To encrypt a big datafile, it’s better to use : Asymmetric cryptography Symmetric cryptography Symmetric or Asymmetric, it’s just a different security scheme 4. This information is present in a certificate : A private key encrypted with its signature A public key with its signature An encrypted public key 5. When using asymmetric cryptography, which key is used to check a signature ? The public key The private key 6. 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 7. What is the meaning of RDP ? Reinforced Dual Protection ReaDout Protection Real Dual Protection 8. Can a Non-Secure interrupt occur during execution of Secure service in TrustZone environment ? No Yes 9. What is SHA256 ? A hash algorithm An encryption algorithm A signature algorithm Loading … 2021-10-06