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1 VM Secure Processor for Protecting VM and its Application to Authentication

2 1

3 OS OS TPM Trusted Boot TPM Trusted Boot OS TPM Trusted Boot OS OS OS OS OS OS VM VM 2

4 DRM DRM DRM TPM TrustedBoot TrustedBoot TPM TrustedBoot VM VM VM VM VM i

5 TPM Trusted Boot ii

6 2.1 IBM TPM Trusted Boot Page Table Entry OS TPM Trusted Boot iii

7 1 [1] [2] OS OS OS DRM TPM Trusted Boot TPM[9, 10] Trusted Boot TPM Trusted Boot OS TPM Trusted Boot OS OS 1

8 OS VM VM 2 3 VM 4 VM

9 2 2.1 DRM (Digital Rights Management : DRM) [3, 4] DRM DRM [5, 6] DRM 2 ID PC ID PC OS DRM DRM DVD CSS DVD. 3

10 OS DRM OS OS OS OS OS DRM DRM DRM [7] OS OS DRM 2.2 IBM 4758 cryptograph coprosessor 1997 IBM PCI 2.1 Intel i486 DES DRAM RAM FLASH ROM IBM 4758 cryptograph coprosessor CPU Intel i

11 2.1: IBM TPM TrustedBoot TPM Trusted Boot TrustedBoot TPM TPM Trusted Boot 5

12 2.2: TPM Trusted Boot Trusted Boot TPM [14] Trusted Boot 2.2 BIOS CRTM(Core Root of Trust Measurement) OS PCR(Platform Configuration Register) TPM CRTM CRTM TPM CRTM CRTM CRTM TPM CRTM BIOS PCR PCR TPM PCR PCR 6

13 TPM TPM TrustedBoot TPM TrustedBoot CRTM BIOS TPM OS OS TPM Trusted Boot OS OS OS TPM Trusted Boot OS TPM Trusted Boot 2.3 7

14 2.3: 8

15 3 VM VM 3.1 OS OS [15]

16 3.1: Lie XOM[16, 17] OS 3.1 AEGIS Suh AEGIS[18] [19, 20, 21]

17 3.2: Page Table Entry OS OS OS OS 3.2 VM VM VM VM VM VM VM OS VM 11

18 3.2.1 VM VM VM VM VM VM VM VM VM VM VM VM VM VM VM VM VM VM VM VM OS OS VM VM VM VM OS VM VM VM 12

19 4 VM 4.1 VM OS AES[22] m S R key S R key S R m m key ce m ce m ckenc key (m) (4.1) RSA[23] S R pk sk S m R sk S m sk S S pk S m 13

20 4.1: m sk S sd m sd m sig sks (m) (4.2) S R pk R m pk R R sk R pk R m pe m pe m pkenc pkr (m) (4.3) SHA[24]. m hd m hd m hash(m) (4.4) 14

21 4.1.4 m 1 m 2 m 12 m 12 m 1 m 2 (4.5) VM P pk P sk P pk P P pk M pk P sk P P OS OS A OS A X pk X pk X A pk X otk 15

22 4.2: A A hash(d) P hd d hash(d) (4.6) d A d pk X P hd d P sk P hd d sig skp (hash(d)) A. sd d sig skp (hash(d)) (4.7) P sk P pk P P 16

23 4.3: 3. A otk A sd d pk P otk pk X pkenc pkx (otk pk P sd d ) X. pe d pkenc pkx (otk pk P sd d ) (4.8) X X sk X pe d 6. X P pk M pk P P P pk P sd d P. 7. sd d X hd d hd d X t otk ckenc otk (t) A. ce t ckenc otk (t) (4.9) A otk ce t t. t 9. A t 17

24 4.4 18

25 P A pe d pkenc pkx (otk pk P sd d ) pk P X pk P pk M pk P sd d P 19

26 5.1: OS : OS VM A A pe d pkenc pkx (otk pk P sd d ) 5.3 A A X pk X pe d 3. 20

27 5.3: : ce t otk otk otk otk A X ce t A A A otk X A ce t pe d X ce t 21

28 5.5: 22

29 6 6.1 [11] [12] [13] OS VM VM 6.2 TPM Trusted Boot TPM Trusted Boot 6.1 TPM Trusted Boot BIOS Boot Loader 6.1 VM BIOS Boot Loader OS 23

30 6.1: TPM Trusted Boot 24

31 7 7.1 OS VM OS OS 7.2 VM 25

32 [1]. recent trends in broadband contents sharing platform. [2],,,..,, vol. 109, no. 237, pp. 7-12, [3] P. A. Jamkhedkar and G. L. Heileman. Drm as a layered system, DRM 04:Proceedings of the 4th ACM workshop on Digital rights management, New York, NY, USA, ACM Press, pp [4] W. Ku and C.-H. Chi. Survey on the technological aspects of digital rights management, ISC, pp [5] Q. Liu, R. Safavi-Naini and N. P. Sheppard. Digital rights management for content distribution, CRPITS 03: Proceedings of the Australasian information security workshop conference on ACSW frontiers 2003, Darlinghaust, Australia, Australian Computer Society, Inc., pp [6] M. L. Smith. Digital rights managements protecting the digital media value chain, MUM 04: Proceedings of the 3rd international conference on Mobile and ubiquitous multimedia, New York, NY, USA, ACM Press, pp [7] T. Hauser and C. Wenz. Drm unter attack: Weaknesses in exsting systems, Digital Rights Management, pp [8] IBM. IBM PCI Cryptographic Coprocessor 03.ibm.com/security/cryptocards/pcicc/overview.shtml [9] Trusted Computing Group. TCG Specification Architecture Overview. [10] Trusted Computing Group. TPM Specification Version 1.2 Revision 103. [11],, : OS, CPSY , Vol. 112, No. 173 pp ). 26

33 [12] Tsuyoshi Yamada, Naruki Kurata, Rie Shigetomi Yamaguchi, Masahiro Goshima, Shuichi Sakai. Minimal Additional Function to Secure Processor for Application Authentication. WEWoRC [13]. CSS [14],,, Nguyen Anh Quynh,. Knoppix trusted computing. [15],. OS., Vol.45, No.3, March [16] Dan Boneh, David Lie, Pat Lincoln, Lohn Mitchell, and Mark Mitchell. Hardware support for tamper-resistatnt and copy-resistant software. Technical report, Stanford University Computer Science, [17] David Lie, Chandramohan A. Thekkath, and Mark Horowitz. Implementing an untrusted operating system on trusted hardware. In Proceedings of ACM Symposium on Operating Systems Principles, [18] G. Edward Suh, Dwaine Clarke, Blaise Gassend, Marten van Dijk, and Srinivas Devadas. AEGIS: Architecture for tamperevident and tamper-resistant processing. In International Conference on Supercomputing, [19],,, no.17, pp , [20],,,.., CPSY , vol.109, no.237, pp , [21], CPSY , vol.111, no.163 pp [22] National Institute of Standards and Technology. Federal Information Processing Standards Publication 197 ADVANCED ENCRYPTION STANDARD (AES), November 26, [23] Rivest, R., Shamir, A., and Adleman, L. A method for obtaining digital signatures and public-key cryptosystems. Comm. ACM 21, 2(Feb. 1978),

34 [24] National Institute of Standards and Technology. Federal Information Processing Standards Publication SECURE HASH STANDARD (SHS), March,

35 1. VM,,, SCIS 2014(2014). 2.,,, CSS 2013(2013). 3. Tsuyoshi Yamada, Naruki Kurata, Rie Shigetomi Yamaguchi, Masahiro Goshima, Shuichi Sakai Minimal Additional Function to Secure Processor for Application Authentication WEWoRC 2013(2013). 4.,, OS CPSY (2012) (2012). 1. A Cloud Architecture for Protecting Guest s Information from Malicious Operators with Memory Management Koki Murakami, Tsuyoshi Yamada, Rie Yamaguchi, Masahiro Goshima and Shuichi Sakai CODASPY 2014(2014). 29

36 2.,,,, SCIS 2014(2014). 3.,,,, CSS 2013(2013). 30

37 31

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( ) NAIST-IS-MT0851100 2010 2 4 ( ) CR CR CR 1980 90 CR Kerberos SSH CR CR CR CR CR CR,,, ID, NAIST-IS- MT0851100, 2010 2 4. i On the Key Management Policy of Challenge Response Authentication Schemes Toshiya

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