collaborators

5 papers

cs.CR2026

FakeI2V-Bench: Benchmarking the Applicability of Image-level Deepfake Detectors for Deepfake Video Detection

Pei Li, Sihan Chen, Delong Ran +1

Recent advances in video generation models have significantly intensified the deepfake threat, yet the current deepfake video detection benchmarks remain underdeveloped. In particu…

cs.CR2026

Cryptanalysis of LDPC-Based Pseudorandom Error-Correcting Codes

Tianrui Wang, Anyu Wang, Tianshuo Cong +3

Pseudorandom error-correcting codes (PRCs), a novel cryptographic primitive recently proposed at CRYPTO 2024, are primarily applied in undetectable watermarking schemes for large g…

cs.CR2025

LoRA-Leak: Membership Inference Attacks Against LoRA Fine-tuned Language Models

Delong Ran, Xinlei He, Tianshuo Cong +3

Language Models (LMs) typically adhere to a "pre-training and fine-tuning" paradigm, where a universal pre-trained model can be fine-tuned to cater to various specialized domains.…

cs.CR2025

JailbreakEval: An Integrated Toolkit for Evaluating Jailbreak Attempts Against Large Language Models

Delong Ran, Jinyuan Liu, Yichen Gong +4

Jailbreak attacks induce Large Language Models (LLMs) to generate harmful responses, posing severe misuse threats. Though research on jailbreak attacks and defenses is emerging, th…

cs.CR2025

FigStep: Jailbreaking Large Vision-Language Models via Typographic Visual Prompts

Yichen Gong, Delong Ran, Jinyuan Liu +5

Large Vision-Language Models (LVLMs) signify a groundbreaking paradigm shift within the Artificial Intelligence (AI) community, extending beyond the capabilities of Large Language…