This paper introduces Bicameral and Auditably Private Signatures (BAPS) – a new privacy-preserving signature system with several novel features. In a BAPS system, given a certified attribute $\mathbf{x}$ and a certified policy P, a signer can issue a ...$$$\mathbf{}$$\mathbf{}$$$$\mathbf{}$

Common verification steps in cryptographic protocols, such as signature or message authentication code checks or the validation of elliptic curve points, are crucial for the overall security of the protocol. Yet implementation errors omitting these steps ...

Private payments in blockchain-based cryptocurrencies have been a topic of research, both academic and industrial, ever since the advent of Bitcoin. Stealth address payments were proposed as a solution to improve payment privacy for users and are, in ...

Invariants withstand transformations and, therefore, represent the essence of objects or phenomena. In mathematics, transformations often constitute a group action. Since the 19th century, studying the structure of various types of invariants and ...

Synthetic data is an emerging technology that can significantly accelerate the development and deployment of AI machine learning pipelines. In this work, we develop high-fidelity time-series generators, the SigWGAN, by combining continuous-time ...

We employ the expected signature of equity and foreign exchange markets to derive an optimal double-execution trading strategy. The signature of a path of a stochastic process is a sequence of real numbers that provides a full description of the ...

Mathematical models, calibrated to data, have become ubiquitous to make key decision processes in modern quantitative finance. In this work, we propose a novel framework for data-driven model selection by integrating a classical quantitative setup with ...

Building on the Gennaro & Goldfeder and Lindell & Nof protocols (CCS '18), we present two threshold ECDSA protocols, for any number of signatories and any threshold, that improve as follows over the state of the art: -- For both protocols, only the last ...

To prove the graph relations such as the connectivity and the isolation for a certified graph, the system of graph signature and proofs have been proposed. In this system, an issuer generates a signature certifying the topology of an undirected graph, ...

We present a method for obtaining approximate solutions to the problem of optimal execution, based on a signature method. The framework is general, only requiring that the price process is a geometric rough path and the price impact function is a ...

With the advent of LTE another technology is gaining momentum in mobile communication, viz. Voice-over-IP (VoIP). While LTE provides state-of-the-art security features such as confidentiality, integrity, and authenticity, non-repudiation of voice ...

The unsupervised clustering of biological sequences is an important task in the bioinformatics space; however, the high computational expense associated with computing pairwise distances between these sequences makes many traditional clustering ...

This paper presents a signature based point of interest (POI) group recommendation system which provides personalized recommendations of places, such as restaurants, for mobile social groups. The growth of location-based social networking (LBSN) like ...

In the search for post-quantum secure alternatives to RSA and ECC, lattice-based cryptography appears to be an attractive and efficient option. A particularly interesting lattice-based signature scheme is BLISS, offering key and signature sizes in the ...

We propose a new class of post-quantum digital signature schemes that: (a) derive their security entirely from the security of symmetric-key primitives, believed to be quantum-secure, and (b) have extremely small keypairs, and, (c) are highly ...

Although anti-virus software has significantly evolved over the last decade, classic signature matching based on byte patterns is still a prevalent concept for identifying security threats. Anti-virus signatures are a simple and fast detection mechanism ...

We initiate the study of related randomness attack in the face of a number of practical attacks in public key cryptography, ranges from active attacks like fault-injection, to passive attacks like software (mis)implementation on choosing random numbers. ...

Signatures have been proposed in transactional memory systems to represent read and write sets and to decouple transaction conflict detection from private caches or to accelerate it. Generally, signatures are implemented as Bloom filters that allow ...

DNSSEC offers protection against spoofing of DNS data by providing authentication of its origin, ensuring integrity and giving a way to authenticate denial of existence by using public-key cryptography. Where the relevance of securing a technology as ...

Since Buchberger's initial algorithm for computing Gröbner bases in 1965 [1] many attempts have been taken to detect zero reductions in advance. Buchberger's Product and Chain criteria may be known the most, especially in the installaton of Gebauer and ...