09 CÂU HỎI KIỂM TRA CÁC KIẾN THỨC CƠ BẢN VỀ BẢO MẬT STM32 Nguồn: STMicroelectronics 1. When using asymmetric cryptography, which key is used to check a signature ? The public key The private key 2. 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 3. Can a Non-Secure interrupt occur during execution of Secure service in TrustZone environment ? No Yes 4. 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 5. What is the meaning of RDP ? Real Dual Protection ReaDout Protection Reinforced Dual Protection 6. To encrypt a big datafile, it’s better to use : Symmetric or Asymmetric, it’s just a different security scheme Symmetric cryptography Asymmetric cryptography 7. 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 8. What is SHA256 ? An encryption algorithm A hash algorithm A signature algorithm 9. This information is present in a certificate : An encrypted public key A private key encrypted with its signature A public key with its signature Loading … 2021-10-06