English
Related papers

Related papers: SMT-Boosted Security Types for Low-Level MPC

200 papers

- In this paper a session based symmetric key encryption system has been proposed and is termed as Permutated Cipher Technique (PCT). This technique is more fast, suitable and secure for larger files. In this technique the input file is…

Cryptography and Security · Computer Science 2009-08-04 Manas Paul , Tanmay Bhattacharya , Suvajit Pal , Ranit Saha

We formalize the simulation paradigm of cryptography in terms of category theory and show that protocols secure against abstract attacks form a symmetric monoidal category, thus giving an abstract model of composable security definitions in…

Cryptography and Security · Computer Science 2024-10-22 Anne Broadbent , Martti Karvonen

We present a relational MPC framework for secure collaborative analytics on private data with no information leakage. Our work targets challenging use cases where data owners may not have private resources to participate in the computation,…

Databases · Computer Science 2022-02-04 John Liagouris , Vasiliki Kalavri , Muhammad Faisal , Mayank Varia

Classical computability theory tells us that self-modifying code (SMC) on a deterministic universal Turing machine can be simulated by non-SMC code on the same model. That abstraction, however, omits the external timing inputs, concurrency,…

Cryptography and Security · Computer Science 2026-04-15 Gregory Morse , Tamás Kozsik

In the realm of control systems, model predictive control (MPC) has exhibited remarkable potential; however, its reliance on accurate models and substantial computational resources has hindered its broader application, especially within…

Systems and Control · Electrical Eng. & Systems 2025-04-14 Amin Vahidi-Moghaddam , Kaian Chen , Kaixiang Zhang , Zhaojian Li , Yan Wang , Kai Wu

Unlike other industries in which intellectual property is patentable, the financial industry relies on trade secrecy to protect its business processes and methods, which can obscure critical financial risk exposures from regulators and the…

Risk Management · Quantitative Finance 2011-11-28 Emmanuel A. Abbe , Amir E. Khandani , Andrew W. Lo

Modern language models have enabled the development of agentic systems that achieve strong performance on reasoning-intensive tasks. Unfortunately, this has come with a security cost; these systems are vulnerable to prompt injection, a…

Cryptography and Security · Computer Science 2026-05-12 Dennis Jacob , Emad Alghamdi , Zhanhao Hu , Basel Alomair , David Wagner

We propose a secure multi-party computation (MPC) protocol that constructs a secret-shared decision tree for a given secret-shared dataset. The previous MPC-based decision tree training protocol (Abspoel et al. 2021) requires $O(2^hmn\log…

Cryptography and Security · Computer Science 2021-12-28 Koki Hamada , Dai Ikarashi , Ryo Kikuchi , Koji Chida

As vehicles become increasingly connected and autonomous, they accumulate and manage various personal data, thereby presenting a key challenge in preserving privacy during data sharing and processing. This survey reviews applications of…

Cryptography and Security · Computer Science 2025-08-05 Nergiz Yuca , Nikolay Matyunin , Ektor Arzoglou , Nikolaos Athanasios Anagnostopoulos , Stefan Katzenbeisser

Software composition analysis (SCA) denotes the process of identifying open-source software components in an input software application. SCA has been extensively developed and adopted by academia and industry. However, we notice that the…

Software Engineering · Computer Science 2024-12-03 Huaijin Wang , Zhibo Liu , Yanbo Dai , Shuai Wang , Qiyi Tang , Sen Nie , Shi Wu

Recent advancements in privacy-preserving machine learning are paving the way to extend the benefits of ML to highly sensitive data that, until now, have been hard to utilize due to privacy concerns and regulatory constraints.…

Cryptography and Security · Computer Science 2024-09-24 Hidde Lycklama , Alexander Viand , Nicolas Küchler , Christian Knabenhans , Anwar Hithnawi

Protocols provide the unifying glue in concurrent and distributed software today; verifying that message-passing programs conform to such governing protocols is important but difficult. Static approaches based on multiparty session types…

Programming Languages · Computer Science 2022-05-24 Bas van den Heuvel , Jorge A. Pérez

The additional complexity caused by concurrently communicating processes in distributed systems render the verification of such systems into a very hard problem. Multiparty session types were developed to govern communication and…

Logic in Computer Science · Computer Science 2019-08-20 Kirstin Peters , Christoph Wagner , Uwe Nestmann

We address the problem of efficiently verifying a commitment in a two-party computation. This addresses the scenario where a party P1 commits to a value $x$ to be used in a subsequent secure computation with another party P2 that wants to…

Cryptography and Security · Computer Science 2022-01-28 Nitin Agrawal , James Bell , Adrià Gascón , Matt J. Kusner

Encrypted computing is an emerging technology based on a processor that `works encrypted', taking encrypted inputs to encrypted outputs while data remains in encrypted form throughout. It aims to secure user data against possible insider…

Cryptography and Security · Computer Science 2019-02-19 Peter T. Breuer

Homomorphic encryption aims at allowing computations on encrypted data without decryption other than that of the final result. This could provide an elegant solution to the issue of privacy preservation in data-based applications, such as…

Cryptography and Security · Computer Science 2019-05-13 Diego Chialva , Ann Dooms

Nowadays, gathering high-quality training data from multiple data sources with privacy preservation is a crucial challenge to training high-performance machine learning models. The potential solutions could break the barriers among isolated…

Cryptography and Security · Computer Science 2023-03-14 Lushan Song , Guopeng Lin , Jiaxuan Wang , Haoqi Wu , Wenqiang Ruan , Weili Han

In order to perform machine learning among multiple parties while protecting the privacy of raw data, privacy-preserving machine learning based on secure multi-party computation (MPL for short) has been a hot spot in recent. The…

Cryptography and Security · Computer Science 2022-11-17 Lushan Song , Jiaxuan Wang , Zhexuan Wang , Xinyu Tu , Guopeng Lin , Wenqiang Ruan , Haoqi Wu , Weili Han

Cloud applications need network data encryption to isolate from other tenants and protect their data from potential eavesdroppers in the network infrastructure. This paper presents SMT, a protocol design for emerging datacenter transport…

Cryptography and Security · Computer Science 2026-02-16 Tianyi Gao , Xinshu Ma , Suhas Narreddy , Eugenio Luo , Steven W. D. Chien , Michio Honda

We derive algorithms for efficient secure numerical and logical operations using a recently introduced scheme for secure multi-party computation~\cite{sch15} in the semi-honest model ensuring statistical or perfect security. To derive our…

Cryptography and Security · Computer Science 2017-07-21 Johannes Schneider , Bin Lu