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Lattice-Based Threshold Signcryption for Blockchain Oracle Data Transmission

Abstract— Threshold signature can solve the problems of high cost and network congestion during the execution of smart contracts. However, the information transmitted in public links is vulnerable to

ide

sed

oracle

原创 2023-09-08 00:21:28 216 阅读

LaRRS: Lattice-Based Revocable Ring Signature and its application for VANETs

Abstract—Vehicular ad-hoc networks (VANETs) have drawn a lot of attention for their potential to improve traffic efficiency and safety. To deal with anonymous authentication and message integrity duri

ci

Ring

sed

原创 2023-09-07 00:05:43 188 阅读

Efficient Data Sharing With Privacy Preservation Over Lattices for Secure Cloud Storage

Abstract—Data sharing is a basic data processing mechanism in the cloud storage. Data confidentiality and the receiver privacy are two important requirements of data-sharing systems. Because the data

sed

ide

ci

原创 2023-09-06 00:28:52 124 阅读

Efficient Lattice-Based Ring Signature for Message Authentication in VANETs

Abstract—In this article, we propose an efficient lattice-based ring signature scheme for message authentication in vehicular adhoc networks (VANETs). It provides unconditional identity privacy preser

sed

ide

ci

原创 2023-09-05 00:03:35 132 阅读

Lattice-Based zk-SNARKs from Square Span Programs

Zero-Knowledge Proof Systems. Proof systems [37] are a fundamental tool in theoretical computer science and cryptography. Consider an NP relation ℛ which defines the language of all statements ? for w

ide

ci

原创 2023-09-04 00:51:35 126 阅读

Improved Non-Interactive Zero Knowledge with Applications to Post-Quantum Signatures

Recent work, including ZKBoo, ZKB++, and Ligero, has developed efficient non-interactive zero-knowledge proofs of knowledge (NIZKPoKs) for Boolean circuits based on symmetric-key primitives alone, usi

ci

sed

Boo

原创 2023-09-03 00:27:26 198 阅读

Post-Quantum Zero-Knowledge and Signatures from Symmetric-Key Primitives

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 ext

ci

oracle

ide

原创 2023-09-02 00:17:58 162 阅读

Practical Quantum-Safe Voting from Lattices

We propose a lattice-based electronic voting scheme, EVOLVE (Electronic Voting from Lattices with Verification), which is conjectured to resist attacks by quantum computers. Our protocol involves a nu

ci

sed

lua

原创 2023-09-01 19:48:31 146 阅读

One-Shot Fiat-Shamir-based NIZK Arguments of Composite Residuosity and Logarithmic-Size Ring Signatu

Abstract. The standard model security of the Fiat-Shamir transform has been an active research area for many years. In breakthrough results, Canetti et al. (STOC’19) and Peikert-Shiehian (Crypto’19) s

sed

oracle

ide

原创 2023-08-23 00:38:43 148 阅读 1收藏

On the Security of Lattice-Based Fiat-Shamir Signatures in the Presence of Randomness Leakage

artial key exposure and partial (or complete) randomness exposure, may be devastating for the security of digital signatures. In this work, we investigate the security of lattice-based Fiat-Shamir sig

sed

ci

desktop

原创 2023-08-22 00:02:28 195 阅读 1收藏

On the Security of Lattice-Based Fiat-Shamir Signatures in the Presence of Randomness Leakage

Abstract— Leakages during the signing process, including partial key exposure and partial (or complete) randomness exposure, may be devastating for the security of digital signatures. In this work, we

sed

ci

desktop

原创 2023-08-21 00:44:11 239 阅读 1收藏

Efficient Laconic Cryptography from Learning With Errors

Abstract. Laconic cryptography is an emerging paradigm that enables cryptographic primitives with sublinear communication complexity in just two messages. In particular, a two-message protocol between

sed

ci

ide

原创 2023-08-20 00:25:14 181 阅读

API-Bank: A Benchmark for Tool-Augmented LLMs

Recent research has shown that Large Language Models (LLMs) can utilize external tools to improve their contextual processing abilities, moving away from the pure language modeling paradigm and paving

API

Augmented

lua

原创 2023-08-19 00:04:00 292 阅读

Two-round n-out-of-n and Multi-Signatures and Trapdoor Commitment from Lattices?

Abstract. Although they have been studied for a long time, distributed signature protocols have garnered renewed interest in recent years in view of novel applications to topics like blockchains. Most

sed

ci

ide

原创 2023-08-18 00:16:55 144 阅读 1收藏

Two-round n-out-of-n and Multi-Signatures and Trapdoor Commitment from Lattices

Abstract. Although they have been studied for a long time, distributed signature protocols have garnered renewed interest in recent years in view of novel applications to topics like blockchains. Most

sed

ci

ide

原创 2023-08-17 10:43:36 102 阅读

Two-round n-out-of-n and Multi-Signatures and Trapdoor Commitment from Lattices

Abstract. Although they have been studied for a long time, distributed signature protocols have garnered renewed interest in recent years in view of novel applications to topics like blockchains. Most

sed

ci

ide

原创 2023-08-16 09:28:49 93 阅读

Efficient Lattice-Based Threshold Signatures With Functional Interchangeability

Abstract— A threshold signature scheme distributes the ability to generate signatures through distributed key generation and signing protocols. A threshold signature scheme should be functionally inte

sed

ci

lua

原创 2023-08-15 00:31:12 218 阅读

Practical Covertly Secure MPC for Dishonest Majority – or: Breaking the SPDZ Limits

Abstract. SPDZ (pronounced “Speedz”) is the nickname of the MPC protocol of Damgard et al. from Crypto 2012. ˚SPDZ provided various efficiency innovations on both the theoretical and practical sides c

ide

ci

sed

原创 2023-08-14 15:09:44 101 阅读

Non-interactive zero-knowledge proof scheme from RLWE-based key exchange

Lattice-based non-interactive zero-knowledge proof has been widely used in one-way communication and can be effectively applied to resist quantum attacks. However, lattice-based non-interactive zero-k

sed

ide

ci

原创 2023-08-14 00:18:36 101 阅读

Amortized Efficient zk-SNARK from Linear-Only RLWE Encodings

Abstract—This paper addresses a new lattice-based designated zk-SNARK having the smallest proof size in the amortized sense, from the linear-only ring learning with the error (RLWE) encodings. We firs

sed

原创 2023-08-13 01:35:35 125 阅读

Shorter and Faster Post-Quantum Designated-Verifier zkSNARKs from Lattices

Zero-knowledge succinct arguments of knowledge (zkSNARKs) enable efficient privacy-preserving proofs of membership for general NP languages. Our focus in this work is on post-quantum zkSNARKs, with a

sed

ci

ide

原创 2023-08-12 00:06:39 101 阅读

Large language models encode clinical knowledge

Large language models (LLMs) have demonstrated impressive capabilities, but the bar for clinical applications is high. Attempts to assess the clinical knowledge of models typically rely on

lua

ci

sed

原创 2023-08-11 00:24:03 228 阅读

Bring Your Own Data! Self-Supervised Evaluation of Large Language Models

With the rise of Large Language Models (LLMs) and their ubiquitous deployment in diverse domains, measuring language model behavior on realistic data is imperative. For example, a company deploying a

lua

sed

ci

原创 2023-08-10 00:04:54 157 阅读

Multi-key and Multi-input Predicate Encryption from Learning with Errors

Abstract We put forward two natural generalizations of predicate encryption (PE), dubbed multikey and multi-input PE. More in details, our contributions are threefold. • Definitions. We formalize secu

ci

原创 2023-08-08 00:09:03 94 阅读

Orion: Zero Knowledge Proof with Linear Prover Time

There are three major efficiency measures in ZKP: the overhead of the prover to generate the proof, which is referred to as the prover time; the total communication between the prover and the verifier

ci

scala

原创 2023-08-07 00:00:56 108 阅读

Privacy-preserving raw data collection without a trusted authority for IoT

With the rapid developments of IoT technologies, a large amount of real-time data is collected and shared, having important impacts on many applications, such as business advertisement and decisionmak

ci

sed

ide

原创 2023-08-06 00:05:00 99 阅读

Orion: Zero Knowledge Proof with Linear Prover Time

Abstract. Zero-knowledge proof is a powerful cryptographic primitive that has found various applications in the real world. However, existing schemes with succinct proof size suffer from a high overhe

ci

sed

原创 2023-08-05 00:02:16 99 阅读

Zero-Knowledge IOPs with Linear-Time Prover and Polylogarithmic-Time Verifier

Zero knowledge. Kilian’s approach to additionally achieve zero knowledge makes a non-black-box use of the collision-resistant hash function and the probabilistic proof’s verifier.20 Ishai et al. [IMSX

ci

sed

原创 2023-08-04 00:03:21 129 阅读

Zero-Knowledge IOPs with Linear-Time Prover and Polylogarithmic-Time Verifier

As our main result concerns IOPs, we summarize prior works on probabilistic proofs that study related questions. Further connections to prior work are given in Section 2 where we overview our techniqu

ci

ide

原创 2023-08-03 00:00:29 181 阅读

Zero-Knowledge IOPs with Linear-Time Prover and Polylogarithmic-Time Verifier

Time

原创 2023-08-03 00:00:00 119 阅读

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Lattice-Based Threshold Signcryption for Blockchain Oracle Data Transmission

LaRRS: Lattice-Based Revocable Ring Signature and its application for VANETs

Efficient Data Sharing With Privacy Preservation Over Lattices for Secure Cloud Storage

Efficient Lattice-Based Ring Signature for Message Authentication in VANETs

Lattice-Based zk-SNARKs from Square Span Programs

Improved Non-Interactive Zero Knowledge with Applications to Post-Quantum Signatures

Post-Quantum Zero-Knowledge and Signatures from Symmetric-Key Primitives

Practical Quantum-Safe Voting from Lattices

One-Shot Fiat-Shamir-based NIZK Arguments of Composite Residuosity and Logarithmic-Size Ring Signatu

On the Security of Lattice-Based Fiat-Shamir Signatures in the Presence of Randomness Leakage

On the Security of Lattice-Based Fiat-Shamir Signatures in the Presence of Randomness Leakage

Efficient Laconic Cryptography from Learning With Errors

API-Bank: A Benchmark for Tool-Augmented LLMs

Two-round n-out-of-n and Multi-Signatures and Trapdoor Commitment from Lattices?

Two-round n-out-of-n and Multi-Signatures and Trapdoor Commitment from Lattices

Two-round n-out-of-n and Multi-Signatures and Trapdoor Commitment from Lattices

Efficient Lattice-Based Threshold Signatures With Functional Interchangeability

Practical Covertly Secure MPC for Dishonest Majority – or: Breaking the SPDZ Limits

Non-interactive zero-knowledge proof scheme from RLWE-based key exchange

Amortized Efficient zk-SNARK from Linear-Only RLWE Encodings

Shorter and Faster Post-Quantum Designated-Verifier zkSNARKs from Lattices

Large language models encode clinical knowledge

Bring Your Own Data! Self-Supervised Evaluation of Large Language Models

Multi-key and Multi-input Predicate Encryption from Learning with Errors

Orion: Zero Knowledge Proof with Linear Prover Time

Privacy-preserving raw data collection without a trusted authority for IoT

Orion: Zero Knowledge Proof with Linear Prover Time

Zero-Knowledge IOPs with Linear-Time Prover and Polylogarithmic-Time Verifier

Zero-Knowledge IOPs with Linear-Time Prover and Polylogarithmic-Time Verifier

Zero-Knowledge IOPs with Linear-Time Prover and Polylogarithmic-Time Verifier