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| Title: | 可抵抗提權攻擊之新型可追蹤隱匿地址方案
A New Traceable One-time Address Scheme Secure Against Privilege Escalation Attacks |
| Authors: | 陳則叡
Chen, Tse-Jui |
| Contributors: | 左瑞麟
Tso, Raylin
陳則叡
Chen, Tse-Jui |
| Keywords: | 提權攻擊
可追蹤性
一次性地址
區塊鏈
Privilege escalation attack
Traceability
One-time address
Blockchain |
| Date: | 2025 |
| Issue Date: | 2025-08-04 13:57:20 (UTC+8) |
| Abstract: | 隨著加密貨幣系統對隱私保護的日益重視，一次性地址已被 Monero 等平台廣泛採用以保護用戶匿名性。然而，現有的可追蹤一次性地址方案（如 Zhao 等人提出的方案）仍然容易受到提權攻擊，當一次性密鑰洩露時，攻擊者能夠重建長期密鑰，進而危及所有相關地址和資金。
為解決此問題，我們提出了一個增強型可追蹤一次性地址方案，該方案能夠容忍衍生密鑰洩露。我們的方案消除了地址生成過程中對安全通道的需求，並提高了用戶端地址識別的效率。我們在隨機預言模型下，基於標準密碼學假設，正式證明了構造的安全性，並通過與現有方法的實驗比較評估其性能。儘管我們的方案在地址生成方面產生了略高的成本，但考慮到其提供的改進安全性和可追蹤性，整體計算開銷仍在可接受範圍內。
With the growing emphasis on privacy in cryptocurrency systems, one-time addresses have been widely adopted by platforms such as Monero to protect user anonymity. However, existing traceable one-time address schemes—such as the one by Zhao et al.—remain vulnerable to privilege escalation attacks, where the leakage of a one-time secret key enables adversaries to reconstruct the long-term secret key, compromising all associated addresses and funds.
To address this problem, we propose an enhanced traceable one-time address scheme that tolerates derived secret key leakage. Our scheme removes the requirement for secure channels during address generation and improves the efficiency of user-side address recognition. We formally prove the security of our construction in the random oracle model under standard cryptographic assumptions, and evaluate its performance through experimental comparison with existing approaches. Although our scheme incurs slightly higher cost in address generation, the overall computational overhead remains acceptable given the improved security and traceability it offers. |
| Reference: | [1] Nicolas Van Saberhagen. Cryptonote v 2.0, 2013.
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[3] Liutao Zhao, Lin Zhong, and Jiawan Zhang. Traceable one-time address solution to the interactive blockchain for digital museum assets. Information Sciences, 625: 157–174, 2023.
[4] Yu Chen, Xuecheng Ma, Cong Tang, and Man Ho Au. Pgc: Decentralized confidential payment system with auditability. In Computer Security–ESORICS 2020: 25th European Symposium on Research in Computer Security, ESORICS 2020, Guildford, UK, September 14–18, 2020, Proceedings, Part I 25, pages 591–610. Springer, 2020.
[5] Fergal Reid and Martin Harrigan. An analysis of anonymity in the bitcoin system. Springer, 2013.
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[16] Dan Boneh and Matt Franklin. Identity-based encryption from the weil pairing. In Annual international cryptology conference, pages 213–229. Springer, 2001.
[17] Whitfield Diffie and Martin Hellman. New directions in cryptography. IEEE Transactions on Information Theory, 22(6):644–654, 1976.
[18] Brent Waters. Efficient identity-based encryption without random oracles. In Annual international conference on the theory and applications of cryptographic techniques, pages 114–127. Springer, 2005.
[19] Mihir Bellare and Gregory Neven. Multi-signatures in the plain public-key model and a general forking lemma. In Proceedings of the 13th ACM conference on Computer and communications security, pages 390–399, 2006.
[20] Junke Duan, Licheng Wang, Wei Wang, and Lize Gu. Trct: A traceable anonymous transaction protocol for blockchain. IEEE Transactions on Information Forensics and Security, 18:4391–4405, 2023. |
| Description: | 碩士
國立政治大學
資訊科學系
110753119 |
| Source URI: | http://thesis.lib.nccu.edu.tw/record/#G0110753119 |
| Data Type: | thesis |
| Appears in Collections: | [資訊科學系] 學位論文
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