中西 透TOORU NAKANISHI

Last Updated :2021/01/05

所属・職名
大学院先進理工系科学研究科 教授
ホームページ
メールアドレス
t-nakanishihiroshima-u.ac.jp

基本情報

学位

  • 博士(工学) (大阪大学)
  • 修士(工学) (大阪大学)

教育担当

  • 【学士課程】 情報科学部 : 情報科学科
  • 【博士課程前期】 先進理工系科学研究科 : 先進理工系科学専攻 : 情報科学プログラム
  • 【博士課程後期】 先進理工系科学研究科 : 先進理工系科学専攻 : 情報科学プログラム

研究分野

  • 情報学 / 計算基盤 / 情報セキュリティ

所属学会

教育活動

授業担当

  1. 2020年, 学部専門, 集中, 通信工学
  2. 2020年, 学部専門, 1ターム, 計算理論
  3. 2020年, 学部専門, 2ターム, 情報社会とセキュリティ
  4. 2020年, 修士課程・博士課程前期, セメスター(前期), 情報工学講究IIA
  5. 2020年, 修士課程・博士課程前期, セメスター(後期), 情報工学講究IIB
  6. 2020年, 修士課程・博士課程前期, セメスター(前期), 情報工学セミナーIIA
  7. 2020年, 修士課程・博士課程前期, セメスター(後期), 情報工学セミナーIIB
  8. 2020年, 修士課程・博士課程前期, 年度, 情報科学特別研究
  9. 2020年, 修士課程・博士課程前期, 1ターム, 情報科学特別演習A
  10. 2020年, 修士課程・博士課程前期, 2ターム, 情報科学特別演習A
  11. 2020年, 修士課程・博士課程前期, 3ターム, 情報科学特別演習B
  12. 2020年, 修士課程・博士課程前期, 4ターム, 情報科学特別演習B
  13. 2020年, 修士課程・博士課程前期, 4ターム, Cryptography
  14. 2020年, 博士課程・博士課程後期, 年度, 情報科学特別研究

研究活動

学術論文(★は代表的な論文)

  1. Efficiency Improvement in Group Signature Scheme with Probabilistic Revocation, Journal of Information Processing, 27巻, pp. 508-516, 201912
  2. An Efficient Anonymous Reputation System for Crowd Sensing, Proc. 6th International Workshop on Information and Communication Security (WICS 2019), pp. 374-380, 201912
  3. An Anonymous Credential System with Constant-Size Attribute Proofs for CNF Formulas with Negations, Proc. 14th International Workshop on Security (IWSEC 2019), LNCS 11689巻, pp. 89-106, 201908
  4. Speeding Up Revocable Group Signature with Compact Revocation List Using Vector Commitments, IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES, E102A巻, 12号, pp. 1676-1687, 201912
  5. ★, An Efficient Blacklistable Anonymous Credentials without TTP of Tracing Authority Using Pairing-Based Accumulator, IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES, E102A巻, 12号, pp. 1968-1979, 201912
  6. Speeding Up Revocable Group Signature with Compact Revocation List Using Vector Commitments, Sixth International Symposium on Computing and Networking (CANDAR 2018), pp. 160-166, 201811
  7. Efficiency Improvement in Group Signature Scheme with Probabilistic Revocation, 2018 International Symposium on Information Theory and Its Applications (ISITA 2018), pp. 80-84, 201810
  8. An Efficient Blacklistable Anonymous Credential System with Reputation Using Pairing-based Accumulator, 17th IEEE International Conference on Trust, Security and Privacy in Computing and Communications (IEEE TrustCom-18), pp. 1140-1148, 201808
  9. A Pairing-Based Anonymous Credential System with Efficient Attribute Proofs, Journal of Information Processing, 20巻, 3号, pp. 774-784
  10. Forward-Secure Group Signatures From Pairings, IEICE Trans. Fundamentals, E93-A巻, 11号, pp. 2007-2016
  11. Anonymous IEEE802.1X Authentication System Using Group Signatures, IPSJ Journal, 51巻, 3号, pp. 691-704
  12. Revocable Group Signature Schemes with Constant Costs for Signing and Verifying, IEICE Trans. Fundamentals, E93-A巻, 1号, pp. 50-62
  13. Efficient Revocable Group Signature Schemes Using Primes, IPSJ Journal, 49巻, 9号, pp. 110-121
  14. A Short Verifier-Local Revocation Group Signature Scheme with Backward Unlinkability, IEICE Trans. Fundamentals, E90-A巻, 9号, pp. 1793-1802
  15. Verifier-Local Revocation Group Signature Schemes with Backward Unlinkability from Bilinear Maps, IEICE Trans. Fundamentals, E90-A巻, 1号, pp. 65-74
  16. Group Signature Schemes with Membership Revocation for Large Groups, IEICE Trans. Fundamentals, E89-A巻, 5号, pp. 1275-1283
  17. An Efficient On-line Electronic Cash with Unlinkable Exact Payments, IEICE Trans. Fundamentals, E88-A巻, 10号, pp. 2769-2777
  18. A Group Signature Scheme with Efficient Membership Revocation for Middle-Scale Groups, IEICE Trans. Fundamentals, Vol.E88-A, E88-A巻, 5号, pp. 1224-1233
  19. Sealed-bid Auctions with Efficient Bids Using Secure Bit-slicing Conversion, IEICE Trans. Fundamentals, E87-A巻, 10号, pp. 2533-2542
  20. An Efficient Anonymous Survey for Attribute Statistics Using a Group Signature Scheme with Attribute Tracing, IEICE Trans. Fundamentals, E86-A巻, 10号, pp. 2560-2568
  21. An Unlinkable Divisible Electronic Cash Using Secure Proxy Computation for DL One-way Function, Trans. IPS. Japan, 44巻, 8号, pp. 2126-2136
  22. An Efficiency Improvement on an Unlinkable Divisible Electronic Cash System, IEICE Trans. Fundamentals, E85-A巻, 10号, pp. 2326-2335
  23. Anonymous Statistical Survey of Attributes Using Distributed Plaintext Membership Test, Trans. IPS. Japan, 43巻, 8号, pp. 2414-2424
  24. Group Signature Scheme with Signature Tracing and Its Application to Electronic Coupon System, Trans. IPS. Japan, 42巻, 8号, pp. 2030-2039
  25. An Anonymous Bidding Protocol without Any Reliable Center, Trans. IPS. Japan, 41巻, 8号, pp. 2161-2169
  26. A Linkable Group Signature and Its Application to Secret Voting, Trans. IPS. Japan, 40巻, 7号, pp. 3085-3096
  27. Efficient Proofs for CNF Formulas on Attributes in Pairing-Based Anonymous Credential System, ICISC2012, pp. 495-509
  28. Efficient Proofs of Attributes in Pairing-Based Anonymous Credential System, PETS2011, pp. 246-263
  29. Forward-Secure Group Signatures From Pairings, Pairing2009, pp. 171-186
  30. ★, Revocable Group Signature Schemes with Constant Costs for Signing and Verifying, PKC2009, pp. 463-480
  31. An Implementation of Anonymous IEEE802.1X Authentication with User Revocation, JWIS2008, pp. 112-125
  32. A Short Anonymously Revocable Group Signature Scheme from Decision Linear Assumption, ASIACCS2008, pp. 337-340
  33. A Proposal of Anonymous IEEE802.1X Authentication Protocol for Wireless Networks, NPSec2006, pp. 26-31
  34. A Short Verifier-Local Revocation Group Signature Scheme with Backward Unlinkability, IWSEC2006, pp. 17-32
  35. ★, Verifier-Local Revocation Group Signature Schemes with Backward Unlinkability from Bilinear Maps, ASIACRYPT2005, pp. 533-548
  36. Group Signature Schemes with Membership Revocation for Large Groups, ACISP2005, pp. 443-454
  37. An Efficient Weighted Voting Protocol with Secret Weights, ISITA2004, pp. 498-502
  38. An Efficient On-line Electronic Cash with Unlinkable Exact Payments, ISC2004, pp. 367-378
  39. A Group Signature Scheme with Efficient Membership Revocation for Reasonable Groups, ACISP2004, pp. 336-347
  40. Sealed-bid Auctions with Efficient Bids, ICISC2003, pp. 230-244
  41. A Group Signature Scheme Committing the Group, ICICS2002, pp. 73-84
  42. An Unlinkable Divisible Electronic Cash with User's Less Computations Using Active Trustees, ISITA2002, pp. 547-550
  43. Anonymous Statistical Survey of Attributes, ACISP2001, pp. 460-473
  44. Unlinkable Divisible Electronic Cash, ISW2000, pp. 121-134
  45. Unlinkable Electronic Coupon Protocol with Anonymity Control, ISW99, pp. 37-46
  46. Hierarchical Motion Representation of 2-State Number Conserving Cellular Automata, CANDAR-AFCA 2017, pp. 194-199, 201711
  47. Designated-Senders Public-Key Searchable Encryption Secure against Keyword Guessing Attacks, CANDAR-WICS 2017, pp. 496-502, 201711
  48. Implementation of Revocable Group Signatures with Compact Revocation List Using Vector Commitments, CANDAR-WICS 2017, pp. 489-495, 201711
  49. An Efficient Blacklistable Anonymous Credentials without TTPs Using Pairing-Based Accumulator, AINA2017, pp. 780-786, 201703
  50. Accumulator for Monotone Formulas and its Application to Anonymous Credential System, Journal of Information Processing, 25巻, pp. 949-961, 201712
  51. Revocable Group Signatures with Compact Revocation List Using Vector Commitments, IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES, E100A巻, 8号, pp. 1672-1682, 201708
  52. Implementation of a Revocable Group Signature Scheme with Compact Revocation List Using Accumulator, Proc. CANDAR2016-WICS, pp. 610-615, 201611
  53. Revocable Group Signatures with Compact Revocation List Using Vector Commitments, Proc. 17th World Conference on Information Security Applications (WISA 2016), LNCS 10144巻, pp. 245-257, 201608
  54. Reduction of Certificates in an Anonymous Credential System with Proofs for Monotone Formulas on Attributes, Proc. 2016 IEEE International Conference on Consumer Electronics-Taiwan (ICCE-TW), 201605
  55. A Secure Data Exchange System in Wireless Delay Tolerant Network Using Attribute-Based Encryption, Journal of Information Processing, 25巻, pp. 234-243, 201702
  56. An implementation of Secure Data Exchange System with Multi-hop Routing in Wireless Delay Tolerant Network Using Attribute-Based Encryption, Proc. CANDAR, 2nd International Workshop on Information and Communication Security (WICS 2015), pp. 536-542, 201512
  57. Anonymous Credential System with Efficient Proofs for Monotone Formulas on Attributes, Proc. 10th International Workshop on Security (IWSEC 2015), LNCS 9241, pp. 262-278, 201508
  58. Reduction of Authentication Time in an Anonymous Credential System with Proofs for Monotone Formulas on Attributes, Proc. 2015 IEEE International Conference on Consumer Electronics-Taiwan (ICCE-TW 2015), pp. 376-377, 201506
  59. Extensions of Access-Point Aggregation Algorithm for Large-scale Wireless Local Area Networks, International Journal of Networking and Computing, 5巻, 1号, pp. 200-222, 201501
  60. Revocable Group Signatures with Compact Revocation List Using Accumulators, IEICE Trans. Fundamentals, E98-A巻, 1号, pp. 117-131, 201501
  61. Revocable Group Signatures with Compact Revocation List Using Accumulators, Proc. ICISC 2013, LNCS 8565巻, pp. 435-451
  62. An Anonymous Reputation System with Reputation Secrecy for Manager, Proc. ICISC 2013, LNCS 8565巻, 363号, pp. 363-378
  63. Efficient Proofs for CNF Formulas on Attributes in Pairing-Based Anonymous Credential System, IEICE Trans. Fundamentals, E96-A巻, 12号, pp. 2422-2433, DEC 2013
  64. Implementation of Anonymous Credential System with Efficient Proofs for Monotone Formulas on Attributes Excluding Restriction, Proc. of CANDAR’14, the 1st International Workshop on Information and Communication Security (WICS), pp. 531-535, 201412
  65. An Implementation of Secure Data Exchange in Wireless Delay Tolerant Network Using Attribute-Based Encryption, Proc. of CANDAR’14, the 1st International Workshop on Information and Communication Security (WICS), pp. 536-542, 201412
  66. An Implementation of Mobile Anonymous Attribute Authentication for Android Devices, Proc. of 2014 IEEE International Conference on Consumer Electronics - Taiwan (ICCE-TW2014), pp. 47-48, 201405
  67. A Proposal of Routing Algorithm under Practical Conditions for Wireless Internet-Access Mesh Networks, Proc. of 2014 IEEE International Conference on Consumer Electronics - Taiwan (ICCE-TW2014), pp. 27-28, 201405
  68. An Anonymous Reputation System with Reputation Secrecy for Manager, IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES, E97A巻, 12号, pp. 2325-2335, 201412

著書等出版物

  1. 2017年01月10日, 現代暗号のしくみ 〜共通鍵暗号,公開鍵暗号から高機能暗号まで〜, 共立出版, 2017年, 01, 単行本(学術書), 単著, 日本語, 中西透, 120, 1-120

外部資金

競争的資金等の採択状況

  1. 科学研究費助成事業(基盤研究(C)), モバイル環境に適した匿名認証の提案とその実装, 2013年, 2015年
  2. 科学研究費助成事業(基盤研究(C)), スケーラブルな失効可能グループ署名方式の提案とその実装, 2010年, 2012年
  3. 科学研究費助成事業(基盤研究(C)), クラウドコンピューティングにおける高機能暗号の安全性向上および効率化, 2016年, 2018年