Buckley, Neil and Nagar, Atulya and Arumugam, Subramanian (2016) On the Use of Secret Sharing as a Secure Multi-use Pad. Innovations in Systems and Software Engineering, 12. pp. 215-225. ISSN 1614-5054
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Abstract
Secret sharing (SS) is a cryptographic method proposed independently by Adi Shamir and George Blakley in 1979 to encode the keys of public-key cryptography by splitting them into maximally entropic shares that are distributed to participants, only revealing the secret when combined. Each new sharing instance, even of the same key, produces a different set of shares to distribute anew. This paper investigates SS as an independent cipher to secure confidential messages between a limited set of trusted participants by eliminating the need to redistribute shares. A participant's master share is permanently fixed and unlimited temporary shares are created and combined with it to reveal new messages. Security is argued against specific and general attacks.
| Item Type: | Article |
|---|---|
| Keywords: | secret sharing • cryptography • cybersecurity |
| Faculty / Department: | Faculty of Human and Digital Sciences > Mathematics and Computer Science |
| Depositing User: | Atulya Nagar |
| Date Deposited: | 07 Apr 2016 14:57 |
| Last Modified: | 16 Nov 2022 14:19 |
| URI: | https://hira.hope.ac.uk/id/eprint/1071 |
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