Trusted_Computing

Question 1

TPM: Trusted Platform Modul

Answer 1

• usually implemented into the motherboard
• basic crypto functions
• get system informations
• secure storage
• authentication

Question 2

TPM usage

Answer 2

• password managers
• attesting platform
• disc, file, folder encryption

Question 3

Authenticated boot

Answer 3

• Integrity Measurement
• Chain of trust (E_i measures E_i+1)
• TPM to CPU to CRTM to BIOS and on
• > CRTM Core Root of Trust for Measurement

Question 4

Remote Attestation

Answer 4

• give to an outside person an attest that your system is okay
• TPM and CRTM act as Root of Trust for Reporting (RTR)

Question 5

Intel SGX

Answer 5

• only CPU is trusted
• enclaves can’t harm the system
• enclaves have isolated memory