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