TPM-Fail ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™ ืึทื– ืึทืœืึทื•ื– ืื™ืจ ืฆื• ืฆื•ืจื™ืงืงืจื™ื’ืŸ ืฉืœื™ืกืœืขืŸ ืกื˜ืึธืจื“ ืื™ืŸ ื˜ืคึผื ืžืึทื“ื–ืฉื•ืœื–

ื ืงืึธืœืขืงื˜ื™ื•ื• ืคื•ืŸ ืจื™ืกืขืจื˜ืฉืขืจื– ืคื•ืŸ Worcester Polytechnic Institute, ื“ื™ ืื•ื ื™ื•ื•ืขืจืกื™ื˜ืขื˜ ืคื•ืŸ Lรผbeck ืื•ืŸ ื“ื™ ืื•ื ื™ื•ื•ืขืจืกื™ื˜ืขื˜ ืคื•ืŸ ืงืึทืœื™ืคืึธืจื ื™ืึท ืื™ืŸ ืกืึทืŸ ื“ื™ืขื’ืึธ ื”ืื˜ ื“ืขื•ื•ืขืœืึธืคึผืขื“ ื ื–ื™ื™ึทื˜-ืงืึทื ืึทืœ ื‘ืึทืคืึทืœืŸ ืื•ืคึฟืŸ ืึทื– ืึทืœืึทื•ื– ืื™ืจ ืฆื• ืฆื•ืจื™ืงืงืจื™ื’ืŸ ื“ื™ ื•ื•ืขืจื˜ ืคื•ืŸ ืคึผืจื™ื•ื•ืึทื˜ ืฉืœื™ืกืœืขืŸ ืกื˜ืึธืจื“ ืื™ืŸ ื“ื™ TPM (ื˜ืจืึทืกื˜ืขื“ ืคึผืœืึทื˜ืคืึธืจื ืžืึธื“ื•ืœืข). ื“ื™ ืื˜ืืงืข ื”ืื˜ ื‘ืืงื•ืžืขืŸ ื ืงืื•ื“ ื ืืžืขืŸ TPM-Fail ืื•ืŸ ืึทืคืขืงืฅ ืคื˜ืคึผื (ื•ื•ื™ื™ื›ื•ื•ืืจื’ ื™ืžืคึผืœืึทืžืขื ื˜ื™ื™ืฉืึทืŸ ื‘ืื–ื™ืจื˜ ืื•ื™ืฃ ืคื™ืจืžื•ื•ืึทืจืข ืคืœื™ืกื ื“ื™ืง ืื•ื™ืฃ ืึท ื‘ืึทื–ื•ื ื“ืขืจ ืžื™ื™ืงืจืึธื•ืคึผืจืึทืกืขืกืขืจ ื™ืŸ ื“ื™ ืงืคึผื•) ืคึฟื•ืŸ Intel (CVE-2019-11090) ืื•ืŸ ื™ื™ึทื–ื ื•ื•ืึทืจื’ ื˜ืคึผื ืื•ื™ืฃ STMicroelectronics ื˜ืฉื™ืคึผืก ืกื˜ืงืกื ื•ืžืงืก (CVE-2019-16863).

ืจืขืกืขืึทืจื˜ืฉืขืจืก ืืจื•ื™ืก ืคึผืจืึธื•ื˜ืึทื˜ื™ื™ืคึผ ื‘ืึทืคืึทืœืŸ ื˜ืึธืึธืœืงื™ื˜ ืื•ืŸ ื“ืขืžืึทื ืกื˜ืจื™ื™ื˜ื™ื“ ื“ื™ ืคื™ื™ื™ืงื™ื™ื˜ ืฆื• ืฆื•ืจื™ืงืงืจื™ื’ืŸ ืึท 256-ื‘ื™ืกืœ ืคึผืจื™ื•ื•ืึทื˜ ืฉืœื™ืกืœ ื’ืขื ื™ืฆื˜ ืฆื• ื“ื–ืฉืขื ืขืจื™ื™ื˜ ื“ื™ื’ื™ื˜ืึทืœ ืกื™ื’ื ืึทื˜ืฉืขืจื– ื ื™ืฆืŸ ื™ืœื™ืคึผื˜ื™ืง ื•ื™ืกื‘ื™ื™ื’ ืึทืœื’ืขืจื™ื“ืึทืžื– ECDSA ืื•ืŸ EC-Schnorr. ื“ืขืคึผืขื ื“ื™ื ื’ ืื•ื™ืฃ ืึทืงืกืขืก ืจืขื›ื˜, ื“ื™ ื’ืึทื ืฅ ืึทื˜ืึทืง ืฆื™ื™ื˜ ืื•ื™ืฃ Intel ftPM ืกื™ืกื˜ืขืžืขืŸ ืื™ื– 4-20 ืžื™ื ื•ื˜ ืื•ืŸ ืจื™ืงื•ื•ื™ื™ืขืจื– ืึทื ืึทืœื™ืกื™ืก ืคื•ืŸ 1-15 ื˜ื•ื™ื–ื ื˜ ืึทืคึผืขืจื™ื™ืฉืึทื ื–. ืขืก ื ืขืžื˜ ื•ื•ืขื’ืŸ 33 ืžื™ื ื•ื˜ ืฆื• ื‘ืึทืคืึทืœืŸ ืกื™ืกื˜ืขืžืขืŸ ืžื™ื˜ ื“ื™ ST80 ืฉืคึผืึธืŸ ืื•ืŸ ืึทื ืึทืœื™ื™ื– ื•ื•ืขื’ืŸ 40 ื˜ื•ื™ื–ื ื˜ ืึทืคึผืขืจื™ื™ืฉืึทื ื– ืฆื• ื“ื–ืฉืขื ืขืจื™ื™ื˜ ืึท ื“ื™ื’ื™ื˜ืึทืœ ื›ืกื™ืžืข.

ื“ื™ ืจื™ืกืขืจื˜ืฉืขืจื– ืื•ื™ืš ื“ืขืžืึทื ืกื˜ืจื™ื™ื˜ื™ื“ ื“ื™ ืžืขื’ืœืขื›ืงื™ื™ื˜ ืคื•ืŸ ื“ื•ืจื›ืคื™ืจืŸ ืึท ื•ื•ื™ื™ึทื˜ ื‘ืึทืคืึทืœืŸ ืื™ืŸ ื”ื•ื™ืš-ื’ื™ื›ืงื™ื™ึทื˜ ื ืขื˜ื•ื•ืึธืจืงืก, ื•ื•ืึธืก ื’ืขืžืื›ื˜ ืขืก ืžืขื’ืœืขืš ืฆื• ืฆื•ืจื™ืงืงืจื™ื’ืŸ ืึท ืคึผืจื™ื•ื•ืึทื˜ ืฉืœื™ืกืœ ืื™ืŸ ืึท ื”ื™ื’ืข ื ืขืฅ ืžื™ื˜ ืึท ื‘ืึทื ื“ื•ื•ื™ื“ื˜ ืคื•ืŸ 1 ื’ื‘ ืื™ืŸ ืœืึทื‘ืึธืจืึทื˜ืึธืจื™ืข ื˜ื ืึธื™ื ืื™ืŸ ืคื™ื ืฃ ืฉืขื”, ื ืึธืš ืžืขืกื˜ืŸ ื“ื™ ืขื ื˜ืคืขืจ ืฆื™ื™ื˜ ืคึฟืึทืจ 45. ื˜ื•ื™ื–ื ื˜ ืึธื˜ืขื ื˜ืึทืงื™ื™ืฉืึทืŸ ืกืขืฉืึทื ื– ืžื™ื˜ ืึท ื•ื•ืคึผืŸ ืกืขืจื•ื•ืขืจ ื‘ืื–ื™ืจื˜ ืื•ื™ืฃ ืฉื˜ืึทืจืง ืกื•ื•ืึทืŸ ื•ื•ื™ื™ื›ื•ื•ืืจื’, ื•ื•ืึธืก ืกื˜ืึธืจื– ื–ื™ื™ึทืŸ ืฉืœื™ืกืœืขืŸ ืื™ืŸ ื“ื™ ืฉืคึผื™ืจืขื•ื•ื“ื™ืง TPM.

ื“ื™ ื‘ืึทืคืึทืœืŸ ืื•ืคึฟืŸ ืื™ื– ื‘ืื–ื™ืจื˜ ืื•ื™ืฃ ืึทื ืึทืœื™ื™ื–ื™ื ื’ ื“ื™ืคืขืจืึทื ืกื™ื– ืื™ืŸ ื“ืขืจ ื“ื•ืจื›ืคื™ืจื•ื ื’ ืฆื™ื™ื˜ ืคื•ืŸ ืึทืคึผืขืจื™ื™ืฉืึทื ื– ืื™ืŸ ื“ืขื ืคึผืจืึธืฆืขืก ืคื•ืŸ ื“ื–ืฉืขื ืขืจื™ื™ื˜ื™ื ื’ ืึท ื“ื™ื’ื™ื˜ืึทืœ ื›ืกื™ืžืข. ืขืกื˜ื™ืžืึทื˜ื™ื ื’ ืงืึทืžืคึผื™ื•ื˜ื™ื ื’ ืœื™ื™ื˜ืึทื ืกื™ ืึทืœืึทื•ื– ืื™ืจ ืฆื• ื‘ืึทืฉืœื™ืกืŸ ืื™ื ืคึฟืึธืจืžืึทืฆื™ืข ื•ื•ืขื’ืŸ ื™ื—ื™ื“ ื‘ื™ื˜ืŸ ื‘ืขืฉืึทืก ืกืงืึทืœืึทืจ ืงื™ื™ืคืœ ืื™ืŸ ื™ืœื™ืคึผื˜ื™ืงืึทืœ ื•ื™ืกื‘ื™ื™ื’ ืึทืคึผืขืจื™ื™ืฉืึทื ื–. ืคึฟืึทืจ ECDSA, ื“ื™ื˜ืขืจืžืึทื ื™ื ื’ ืืคื™ืœื• ืึท ื‘ื™ืกืœ ื‘ื™ื˜ืŸ ืžื™ื˜ ืื™ื ืคึฟืึธืจืžืึทืฆื™ืข ื•ื•ืขื’ืŸ ื“ื™ ื™ื ื™ื˜ื™ืึทืœื™ื–ืึทื˜ื™ืึธืŸ ื•ื•ืขืงื˜ืึธืจ (ื ืึธื ืก) ืื™ื– ื’ืขื ื•ื’ ืฆื• ื“ื•ืจื›ืคื™ืจืŸ ืึท ื‘ืึทืคืึทืœืŸ ืฆื• ืกืึทืงื•ื•ืขื ื˜ืฉืึทืœื™ ืฆื•ืจื™ืงืงืจื™ื’ืŸ ื“ื™ ื’ืื ืฆืข ืคึผืจื™ื•ื•ืึทื˜ ืฉืœื™ืกืœ. ืฆื• ื”ืฆืœื—ื” ื“ื•ืจื›ืคื™ืจืŸ ืึท ื‘ืึทืคืึทืœืŸ, ืขืก ืื™ื– ื ื™ื™ื˜ื™ืง ืฆื• ืคื•ื ืึทื ื“ืขืจืงืœื™ื™ึทื‘ืŸ ื“ื™ ื“ื•ืจ ืฆื™ื™ื˜ ืคื•ืŸ ืขื˜ืœืขื›ืข ื˜ื•ื™ื–ื ื˜ ื“ื™ื’ื™ื˜ืึทืœ ืกื™ื’ื ืึทื˜ืฉืขืจื– ื‘ืืฉืืคืŸ ืื™ื‘ืขืจ ื“ืึทื˜ืŸ ื‘ืืงืื ื˜ ืฆื• ื“ื™ ืึทื˜ืึทืงืขืจ.

ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™ ื™ืœื™ืžืึทื ื™ื™ื˜ืึทื“ ื“ื•ืจืš STMicroelectronics ืื™ืŸ ืึท ื ื™ื™ึทืข ืึทื“ื™ืฉืึทืŸ ืคื•ืŸ ื˜ืฉื™ืคึผืก ืื™ืŸ ื•ื•ืึธืก ื“ื™ ื™ืžืคึผืœืึทืžืขื ื˜ื™ื™ืฉืึทืŸ ืคื•ืŸ ื“ื™ ECDSA ืึทืœื’ืขืจื™ื“ืึทื ืื™ื– ื‘ืืคืจื™ื™ื˜ ืคื•ืŸ ืงืึธืจืึทืœื™ื™ืฉืึทื ื– ืžื™ื˜ ื“ื™ ื“ื•ืจื›ืคื™ืจื•ื ื’ ืฆื™ื™ื˜ ืคื•ืŸ ืึทืคึผืขืจื™ื™ืฉืึทื ื–. ื™ื ื˜ืขืจืขืกื˜ื™ื ื’ืœื™, ื“ื™ ืึทืคืขืงื˜ืึทื“ STMicroelectronics ื˜ืฉื™ืคึผืก ื–ืขื ืขืŸ ืื•ื™ืš ื’ืขื ื™ืฆื˜ ืื™ืŸ ื•ื™ืกืจื™ื›ื˜ ื•ื•ืึธืก ื˜ืจืขืคืŸ ื“ื™ CommonCriteria (CC) EAL 4+ ื–ื™ื›ืขืจื”ื™ื™ื˜ ืžื“ืจื’ื”. ื“ื™ ืจื™ืกืขืจื˜ืฉืขืจื– ืื•ื™ืš ื˜ืขืกื˜ืขื“ TPM ื˜ืฉื™ืคึผืก ืคึฟื•ืŸ Infineon ืื•ืŸ Nuvoton, ืึธื‘ืขืจ ื–ื™ื™ ื”ืึธื‘ืŸ ื ื™ืฉื˜ ืจื™ื ืขืŸ ื‘ืื–ื™ืจื˜ ืื•ื™ืฃ ืขื ื“ืขืจื•ื ื’ืขืŸ ืื™ืŸ ืงืึทืžืคึผื™ืึทื˜ื™ื™ืฉืึทืŸ ืฆื™ื™ื˜.

ืื™ืŸ ื™ื ื˜ืขืœ ืคึผืจืึทืกืขืกืขืจื–, ื“ื™ ืคึผืจืึธื‘ืœืขื ืื™ื– ืกื˜ืึทืจื˜ื™ื ื’ ืคื•ืŸ ื“ื™ Haswell ืžืฉืคึผื—ื” ื‘ืืคืจื™ื™ื˜ ืื™ืŸ 2013. ืขืก ืื™ื– ื‘ืืžืขืจืงื˜ ืึทื– ื“ื™ ืคึผืจืึธื‘ืœืขื ืึทืคืขืงืฅ ืึท ื‘ืจื™ื™ื˜ ืงื™ื™ื˜ ืคื•ืŸ ืœืึทืคึผื˜ืึทืคึผืก, ืคึผืงืก ืื•ืŸ ืกืขืจื•ื•ืขืจืก ื’ืขืฉืืคืŸ ื“ื•ืจืš ืคืึทืจืฉื™ื“ืŸ ืžืึทื ื™ืึทืคืึทืงื˜ืฉืขืจืขืจื–, ืึทืจื™ื™ึทื ื’ืขืจืขื›ื ื˜ Dell, Lenovo ืื•ืŸ HP.

ื™ื ื˜ืขืœ ื”ืื˜ ืึทืจื™ื™ึทื ื’ืขืจืขื›ื ื˜ ืึท ืคืึทืจืจื™ื›ื˜ืŸ ืื™ืŸ ื ืื•ื•ืขืžื‘ืขืจ ืคื™ืจืžื•ื•ืึทืจืข ื“ืขืจื”ื™ื™ึทื ื˜ื™ืงืŸ, ืื™ืŸ ื•ื•ืึธืก, ืื™ืŸ ืึทื“ื™ืฉืึทืŸ ืฆื• ื“ื™ ืคึผืจืึธื‘ืœืขื ืื•ื ื˜ืขืจ ื‘ืึทื˜ืจืึทื›ื˜ื•ื ื’, ื™ืœื™ืžืึทื ื™ื™ื˜ืึทื“ ื ืึธืš 24 ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™ื–, ืคื•ืŸ ื•ื•ืึธืก ื ื™ื™ึทืŸ ื–ืขื ืขืŸ ืึทืกื™ื™ื ื“ ืึท ื”ื•ื™ืš ืžื“ืจื’ื” ืคื•ืŸ ื’ืขืคืึทืจ, ืื•ืŸ ืื™ื™ื ืขืจ ืื™ื– ืงืจื™ื˜ื™ืฉ. ืื•ื™ืฃ ื“ื™ ืคืจืื‘ืœืขืžืขืŸ, ื‘ืœื•ื™ื– ื’ืขื ืขืจืึทืœ ืื™ื ืคึฟืึธืจืžืึทืฆื™ืข ืื™ื– ืฆื•ื’ืขืฉื˜ืขืœื˜, ืœืžืฉืœ, ืขืก ืื™ื– ื“ืขืจืžืื ื˜ ืึทื– ื“ื™ ืงืจื™ื˜ื™ืฉ ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™ (CVE-2019-0169) ืื™ื– ืจืขื›ื˜ ืฆื• ื“ืขืจ ืคื™ื™ื™ืงื™ื™ื˜ ืฆื• ืคืึทืจืฉืึทืคืŸ ืึท ืงื•ืคึผืข ืึธื•ื•ื•ืขืจืคืœืึธื• ืื•ื™ืฃ ื“ื™ ื–ื™ื™ึทื˜ ืคื•ืŸ ื“ื™ Intel CSME (Converged Security and Management Engine) ) ืื•ืŸ Intel TXE (ื˜ืจืึทืกื˜ืขื“ ืขืงืกืขืงื•ื˜ื™ืึธืŸ ืขื ื’ื™ื ืข) ื™ื ื•ื•ื™ื™ืจืึทื ืžืึทื ืฅ, ื•ื•ืึธืก ืึทืœืึทื•ื– ืึทื˜ืึทืงืขืจ ืฆื• ืคืึทืจื’ืจืขืกืขืจืŸ ื–ื™ื™ืขืจ ืคึผืจื™ื•ื•ื™ืœืึทื“ื–ืฉืึทื– ืื•ืŸ ื‘ืึทืงื•ืžืขืŸ ืึทืงืกืขืก ืฆื• ืงืึทื ืคืึทื“ืขื ืฉืึทืœ ื“ืึทื˜ืŸ.

ืื™ืจ ืงืขื ืขืŸ ืื•ื™ืš ื˜ืึธืŸ ืึทื ื˜ืคึผืœืขืงื•ื ื’ ืงืึธื ื˜ืจืึธืœื™ืจืŸ ืจืขื–ื•ืœื˜ืึทื˜ืŸ ืคื•ืŸ ืคืึทืจืฉื™ื“ืŸ SDKs ืคึฟืึทืจ ื“ืขื•ื•ืขืœืึธืคึผื™ื ื’ ืึทืคึผืœืึทืงื™ื™ืฉืึทื ื– ื•ื•ืึธืก ื™ื ื˜ืขืจืึทืงื˜ ืžื™ื˜ ืงืึธื“ ืขืงืกืึทืงื™ื•ื˜ืึทื“ ืื•ื™ืฃ ื“ื™ ื–ื™ื™ึทื˜ ืคื•ืŸ ืืคื’ืขื–ื•ื ื“ืขืจื˜ ื™ื ืงืœืึทื•ื•ืขืก. ืื™ืŸ ืกื“ืจ ืฆื• ื™ื“ืขื ื˜ื™ืคื™ืฆื™ืจืŸ ืคึผืจืึธื‘ืœืขืžืึทื˜ื™ืง ืคืึทื ื’ืงืฉืึทื ื– ื•ื•ืึธืก ืงืขืŸ ื–ื™ื™ืŸ ื’ืขื ื™ืฆื˜ ืฆื• ื“ื•ืจื›ืคื™ืจืŸ ืึทื˜ืึทืงืก, ืึทื›ื˜ SDKs ื–ืขื ืขืŸ ื’ืขืœืขืจื ื˜: Intel SGX-SDK, SGX-LKL, Microsoft OpenEnclave, ื’ืจืึทืคืขื ืข,
Rust-EDP ะธ ื’ื•ื’ืœ ืึทืกื™ืœืึธ ืคึฟืึทืจ Intel SGX, ืฉืœื™ืกืœืฉื˜ื™ื™ืŸ ืคึฟืึทืจ RISC-V ืื•ืŸ Sancus ืคึฟืึทืจ Sancus TEE. ื‘ืขืฉืึทืก ื“ื™ ืงืึธื ื˜ืจืึธืœื™ืจืŸ ืขืก ืื™ื– ื’ืขื•ื•ืขืŸ ืื ื˜ืคืœืขืงื˜ 35 ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™ื–, ื‘ืื–ื™ืจื˜ ืื•ื™ืฃ ื•ื•ืึธืก ืขื˜ืœืขื›ืข ื‘ืึทืคืึทืœืŸ ืกื™ื ืขืจื™ืึธื•ื– ื–ืขื ืขืŸ ื“ืขื•ื•ืขืœืึธืคึผืขื“ ื•ื•ืึธืก ืœืึธื–ืŸ ืื™ืจ ืฆื• ืขืงืกื˜ืจืึทืงื˜ AES ืฉืœื™ืกืœืขืŸ ืคื•ืŸ ืึท ืขื ืงืœืึทื•ื•ืข ืึธื“ืขืจ ืึธืจื’ืึทื ื™ื–ื™ืจืŸ ื“ื™ ื“ื•ืจื›ืคื™ืจื•ื ื’ ืคื•ืŸ ื“ื™ื™ืŸ ืงืึธื“ ื“ื•ืจืš ืงืจื™ื™ื™ื˜ื™ื ื’ ื˜ื ืึธื™ื ืคึฟืึทืจ ื“ืึทืžื™ื“ื–ืฉื™ื ื’ ื“ื™ ืื™ื ื”ืึทืœื˜ ืคื•ืŸ ื–ื›ึผืจื•ืŸ.

TPM-Fail ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™ ืึทื– ืึทืœืึทื•ื– ืื™ืจ ืฆื• ืฆื•ืจื™ืงืงืจื™ื’ืŸ ืฉืœื™ืกืœืขืŸ ืกื˜ืึธืจื“ ืื™ืŸ ื˜ืคึผื ืžืึทื“ื–ืฉื•ืœื–

ืžืงื•ืจ: opennet.ru

ืœื™ื™ื’ืŸ ืึท ื‘ืึทืžืขืจืงื•ื ื’