A Private Key Management Scheme on Blockchain Against Collusion Attacks
To address the security of the recovery of lost private keys on the blockchain,this paper proposes a distributed management scheme for private keys based on threshold secret sharing.The scheme combines the user’s private key with the secret password as a secret and uses the threshold key mechanism t...
| Published in: | Jisuanji gongcheng |
|---|---|
| Main Author: | |
| Format: | Article |
| Language: | English |
| Published: |
Editorial Office of Computer Engineering
2020-11-01
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| Subjects: | |
| Online Access: | https://www.ecice06.com/fileup/1000-3428/PDF/20201103.pdf |
| _version_ | 1848649728319815680 |
|---|---|
| author | ZHOU Jian, QU Ran |
| author_facet | ZHOU Jian, QU Ran |
| author_sort | ZHOU Jian, QU Ran |
| collection | DOAJ |
| container_title | Jisuanji gongcheng |
| description | To address the security of the recovery of lost private keys on the blockchain,this paper proposes a distributed management scheme for private keys based on threshold secret sharing.The scheme combines the user’s private key with the secret password as a secret and uses the threshold key mechanism to divide the secret into several secret fragments,which are assigned to honest nodes for custody in the network by using the practical Byzantine fault tolerant algorithm.When the user’s private key is lost,the private key can be recovered by collecting secret fragments more than the threshold and combining them with the secret password.Analysis results show that this scheme is anonymous and resistant to collusion attacks and single node failure.It can implement recovery of the user’s lost private key while the dynamic management and secure storage of the private key is ensured. |
| format | Article |
| id | doaj-068575fa853a4482a89f35dff7c7c75b |
| institution | Directory of Open Access Journals |
| issn | 1000-3428 |
| language | English |
| publishDate | 2020-11-01 |
| publisher | Editorial Office of Computer Engineering |
| record_format | Article |
| spelling | doaj-068575fa853a4482a89f35dff7c7c75b2025-11-03T05:53:30ZengEditorial Office of Computer EngineeringJisuanji gongcheng1000-34282020-11-014611232810.19678/j.issn.1000-3428.0057591A Private Key Management Scheme on Blockchain Against Collusion AttacksZHOU Jian, QU Ran01. School of Management Science and Engineering, Anhui University of Finance and Economics, Bengbu, Anhui 233030, China;2. School of Computer Science, Beijing University of Posts and Telecommunications, Beijing 100876, ChinaTo address the security of the recovery of lost private keys on the blockchain,this paper proposes a distributed management scheme for private keys based on threshold secret sharing.The scheme combines the user’s private key with the secret password as a secret and uses the threshold key mechanism to divide the secret into several secret fragments,which are assigned to honest nodes for custody in the network by using the practical Byzantine fault tolerant algorithm.When the user’s private key is lost,the private key can be recovered by collecting secret fragments more than the threshold and combining them with the secret password.Analysis results show that this scheme is anonymous and resistant to collusion attacks and single node failure.It can implement recovery of the user’s lost private key while the dynamic management and secure storage of the private key is ensured.https://www.ecice06.com/fileup/1000-3428/PDF/20201103.pdfblockchain|private key management|threshold key|practical byzantine fault tolerant algorithm|key recovery |
| spellingShingle | ZHOU Jian, QU Ran A Private Key Management Scheme on Blockchain Against Collusion Attacks blockchain|private key management|threshold key|practical byzantine fault tolerant algorithm|key recovery |
| title | A Private Key Management Scheme on Blockchain Against Collusion Attacks |
| title_full | A Private Key Management Scheme on Blockchain Against Collusion Attacks |
| title_fullStr | A Private Key Management Scheme on Blockchain Against Collusion Attacks |
| title_full_unstemmed | A Private Key Management Scheme on Blockchain Against Collusion Attacks |
| title_short | A Private Key Management Scheme on Blockchain Against Collusion Attacks |
| title_sort | private key management scheme on blockchain against collusion attacks |
| topic | blockchain|private key management|threshold key|practical byzantine fault tolerant algorithm|key recovery |
| url | https://www.ecice06.com/fileup/1000-3428/PDF/20201103.pdf |
| work_keys_str_mv | AT zhoujianquran aprivatekeymanagementschemeonblockchainagainstcollusionattacks AT zhoujianquran privatekeymanagementschemeonblockchainagainstcollusionattacks |