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Towards Practical Lattice-Based One-Time Linkable Ring Signatures
[chapter]
2018
Lecture Notes in Computer Science
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We define the ring SIS problem in the canonical embedding (rather than in the standard polynomial representation) and this allows us to get a stronger connection between breaking our binding property and ...
We show how to instantiate efficient zero-knowledge protocols that can be used to prove a number of relations among these commitments, and apply these in the context of lattice-based threshold cryptosystems ...
Acknowledgments We thank Nigel Smart for informing us about a bug in an earlier version of this work. ...
doi:10.1007/978-3-030-01950-1_18
fatcat:ymdodcwgvzeutgenjzqi4g4omu
Four-Round Concurrent Non-Malleable Commitments from One-Way Functions
[chapter]
2017
Lecture Notes in Computer Science
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A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2018; you can also visit the original URL.
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Later on we have found an error in the security proof (that also applies to the construction of [BGR + 15]) and the claim on concurrent non-malleability has then been withdrawn in the recent eprint version ...
On the other side, positive results of Goyal [STOC 2011], Lin and Pass [STOC 2011] and Goyal et al. ...
We also thank Giuseppe Persiano and Alessandra Scafuro for several discussions on delayed-input protocols. The work of 1st, 3rd and 4th authors has been done in part while visiting UCLA. ...
doi:10.1007/978-3-319-63715-0_5
fatcat:h52fqyyw5rabhc6morvtmmm6oa