Kejiang Chen
2 papers · Latest:
Cryptography & Security
ReTokSync: Self-Synchronizing Tokenization Disambiguation for Generative Linguistic Steganography
ReTokSync is a self-synchronizing framework that resolves tokenization ambiguity in generative linguistic steganography, achieving high extraction accuracy with minimal overhead.
2604.25486
Cryptography & SecurityInto the Gray Zone: Domain Contexts Can Blur LLM Safety Boundaries
Jargon exploits LLM safety boundaries by leveraging domain contexts, achieving >93% attack success on frontier models, and proposes a policy-guided safeguard.
2604.15717
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