Cross-Layer Deanonymization Methods in the Lightning Protocol

Autor: Romiti, Matteo, Victor, Friedhelm, Moreno-Sanchez, Pedro, Nordholt, Peter Sebastian, Haslhofer, Bernhard, Maffei, Matteo

Bitcoin (BTC) pseudonyms (layer 1) can effectively be deanonymized using heuristic clustering techniques. However, while performing transactions off-chain (layer 2) in the Lightning Network (LN) seems to enhance privacy, a systematic analysis of the

Externí odkaz: http://arxiv.org/abs/2007.00764

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Confidential benchmarking based on multiparty computation

Autor: Damgård, Ivan, Damgård, Kasper, Nielsen, Kurt, Nordholt, Peter Sebastian, Toft, Tomas

Publikováno v: Damgård, I, Damgård, K, Nielsen, K, Nordholt, P S & Toft, T 2017, Confidential benchmarking based on multiparty computation . in J Grossklags & B Preneel (eds), Financial Cryptography and Data Security-20th International Conference, FC 2016, Revised Selected Papers . vol. 9603 LNCS, Springer VS, Lecture Notes in Computer Science, vol. 9603, pp. 169-187, 20th International Conference on Financial Cryptography and Data Security, FC 2016, Christ Church, Barbados, 22/02/2016 . https://doi.org/10.1007/978-3-662-54970-4_10

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pure_au_____::5ce3302211a90b2b88c3dd01efc4ef05
https://pure.au.dk/portal/da/publications/confidential-benchmarking-based-on-multiparty-computation(626cee70-d578-4bd1-b65d-d53a9446048f).html

MiniLEGO:Efficient secure two-party computation from general assumptions

Autor: Frederiksen, Tore Kasper, Jakobsen, Thomas Pelle, Nielsen, Jesper Buus, Nordholt, Peter Sebastian, Orlandi, Claudio

Publikováno v: Frederiksen, T K, Jakobsen, T P, Nielsen, J B, Nordholt, P S & Orlandi, C 2013, MiniLEGO : Efficient secure two-party computation from general assumptions . in T Johansson & P Q Nguyen (eds), Advances in Cryptology – EUROCRYPT 2013 : 32nd Annual International Conference on the Theory and Applications of Cryptographic Techniques, Athens, Greece, May 26-30, 2013. Proceedings . Springer VS, Lecture Notes in Computer Science, vol. 7881, pp. 537-556, Internationall Conference on Theory and Application of Cryptographic Techniques, Athens, Greece, 26/05/2013 . https://doi.org/10.1007/978-3-642-38348-9_32
Frederiksen, T K, Jakobsen, T P, Nielsen, J B, Nordholt, P S & Orlandi, C 2013, MiniLEGO : Efficient secure two-party computation from general assumptions . in T Johansson & P Q Nguyen (eds), Advances in Cryptology – EUROCRYPT 2013 : 32nd Annual International Conference on the Theory and Applications of Cryptographic Techniques, Athens, Greece, May 26-30, 2013. Proceedings . Springer VS, Lecture Notes in Computer Science, vol. 7881, pp. 537-556, Athens, Greece, 26/05/2013 . https://doi.org/10.1007/978-3-642-38348-9_32

One of the main tools to construct secure two-party computation protocols are Yao garbled circuits. Using the cut-and-choose technique, one can get reasonably efficient Yao-based protocols with security against malicious adversaries. At TCC 2009, Nie

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::ce52821d88f00aff80a9963b8a0b419f
https://pure.au.dk/portal/da/publications/minilego(fd973d76-e3e8-411d-85ae-af5243552a89).html

A New Approach to Practical Active-Secure Two-Party Computation

Autor: Nielsen, Jesper Buus, Nordholt, Peter Sebastian, Orlandi, Claudio, Burra, Sai Sheshank

Publikováno v: Nielsen, J B, Nordholt, P S, Orlandi, C & Burra, S S 2011 ' A New Approach to Practical Active-Secure Two-Party Computation ' . < http://eprint.iacr.org/2011/091 >

We propose a new approach to practical two-party computation secure against an active adversary. All prior practical protocols were based on Yao's garbled circuits. We use an OT-based approach and get efficiency via OT extension in the random oracle

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pure_au_____::617ae128ef940f86ae3aad80221ffbbc
https://pure.au.dk/portal/da/publications/a-new-approach-to-practical-activesecure-twoparty-computation(5d4f6960-1b32-4c1f-8523-a35fd2ac1e61).html