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Paper 2019/1136
An implementation of the Paillier crypto system with threshold decryption without a trusted dealer
Thijs Veugen and Thomas Attema and Gabriele Spini
Abstract
We consider the problem of securely generating the keys of the Paillier crypto system [11] with (t, n) threshold decryption, without a trusted dealer. Nishide and Sakurai [10] describe a solution, secure in the malicious model. We use their ideas to make a simpler solution for the semi-honest model, and further introduce a few optimisations. We implement the secure key generation protocol on a single computer, and consider its performance.
Metadata
- Available format(s)
- Category
- Implementation
- Publication info
- Preprint. MINOR revision.
- Keywords
- threshold cryptographyimplementationPailliersecure key generation
- Contact author(s)
- thijs veugen @ tno nl
- History
- 2019-10-03: received
- Short URL
- https://ia.cr/2019/1136
- License
-
CC BY