activity
20242026
collaborators

6 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…

cs.CR2024

Have You Merged My Model? On The Robustness of Large Language Model IP Protection Methods Against Model Merging

Tianshuo Cong, Delong Ran, Zesen Liu +6

Model merging is a promising lightweight model empowerment technique that does not rely on expensive computing devices (e.g., GPUs) or require the collection of specific training d…