09 CÂU HỎI KIỂM TRA CÁC KIẾN THỨC CƠ BẢN VỀ BẢO MẬT STM32 Nguồn: STMicroelectronics 1. To encrypt a big datafile, it’s better to use : Symmetric or Asymmetric, it’s just a different security scheme Symmetric cryptography Asymmetric cryptography 2. What is the role of the firewall on STM32 ? A hardware mechanism used to protect against attack on the debug port A hardware mechanism to create a security enclave A software system that filters illegal memory accesses 3. When using asymmetric cryptography, which key is used to check a signature ? The public key The private key 4. What is the link register in Cortex M ? It contains the return address of function call It contains the address of current executed instruction If is used to link 2 registers 5. 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 6. What is the meaning of RDP ? ReaDout Protection Reinforced Dual Protection Real Dual Protection 7. What is SHA256 ? A signature algorithm A hash algorithm An encryption algorithm 8. Can a Non-Secure interrupt occur during execution of Secure service in TrustZone environment ? No Yes 9. This information is present in a certificate : A public key with its signature A private key encrypted with its signature An encrypted public key Loading … 2021-10-06