Privacy-awareness in blockchain-based PKI
Conventional public key infrastructure (PKI) designs are not optimal and contain security flaws; there is much work underway in improving PKI. The properties given by the Bitcoin blockchain and its derivatives are a natural solution to some of the problems with PKI - in particular, certificate trans...
| Format: | Working paper |
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| Language: | English |
| Published: |
2015
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| Subjects: |
| _version_ | 1826305757279158272 |
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| collection | OXFORD |
| description | Conventional public key infrastructure (PKI) designs are not optimal and contain security flaws; there is much work underway in improving PKI. The properties given by the Bitcoin blockchain and its derivatives are a natural solution to some of the problems with PKI - in particular, certificate transparency and elimination of single points of failure. Recently-proposed blockchain PKI designs are built as public ledgers linking identity with public key, giving no provision of privacy. We consider the suitability of a blockchain-based PKI for contexts in which PKI is required, but in which linking of identity with public key is undesirable; specifically, we show that blockchain can be used to construct a privacy-aware PKI while simultaneously eliminating some of the problems encountered in conventional PKI. |
| first_indexed | 2024-03-07T06:37:41Z |
| format | Working paper |
| id | oxford-uuid:f8377b69-599b-4cae-8df0-f0cded53e63b |
| institution | University of Oxford |
| language | English |
| last_indexed | 2024-03-07T06:37:41Z |
| publishDate | 2015 |
| record_format | dspace |
| spelling | oxford-uuid:f8377b69-599b-4cae-8df0-f0cded53e63b2022-03-27T12:48:36ZPrivacy-awareness in blockchain-based PKIWorking paperhttp://purl.org/coar/resource_type/c_8042uuid:f8377b69-599b-4cae-8df0-f0cded53e63bCyber SecurityComputer securityComputingEnglishOxford University Research Archive - Valet2015Conventional public key infrastructure (PKI) designs are not optimal and contain security flaws; there is much work underway in improving PKI. The properties given by the Bitcoin blockchain and its derivatives are a natural solution to some of the problems with PKI - in particular, certificate transparency and elimination of single points of failure. Recently-proposed blockchain PKI designs are built as public ledgers linking identity with public key, giving no provision of privacy. We consider the suitability of a blockchain-based PKI for contexts in which PKI is required, but in which linking of identity with public key is undesirable; specifically, we show that blockchain can be used to construct a privacy-aware PKI while simultaneously eliminating some of the problems encountered in conventional PKI. |
| spellingShingle | Cyber Security Computer security Computing Privacy-awareness in blockchain-based PKI |
| title | Privacy-awareness in blockchain-based PKI |
| title_full | Privacy-awareness in blockchain-based PKI |
| title_fullStr | Privacy-awareness in blockchain-based PKI |
| title_full_unstemmed | Privacy-awareness in blockchain-based PKI |
| title_short | Privacy-awareness in blockchain-based PKI |
| title_sort | privacy awareness in blockchain based pki |
| topic | Cyber Security Computer security Computing |