Secure Intellicise Wireless Network: Agentic AI for Coverless Semantic Steganography Communication

Fuente: arXiv
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Autori principali: Meng, Rui, Gao, Song, Xu, Bingxuan, Xu, Xiaodong, Chen, Jianqiao, Ma, Nan, Xiao, Pei, Zhang, Ping, Tafazolli, Rahim
Natura: Preprint
Pubblicazione: 2026
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author Meng, Rui
Gao, Song
Xu, Bingxuan
Xu, Xiaodong
Chen, Jianqiao
Ma, Nan
Xiao, Pei
Zhang, Ping
Tafazolli, Rahim
author_facet Meng, Rui
Gao, Song
Xu, Bingxuan
Xu, Xiaodong
Chen, Jianqiao
Ma, Nan
Xiao, Pei
Zhang, Ping
Tafazolli, Rahim
contents Semantic Communication (SemCom), leveraging its significant advantages in transmission efficiency and reliability, has emerged as a core technology for constructing future intellicise (intelligent and concise) wireless networks. However, intelligent attacks represented by semantic eavesdropping pose severe challenges to the security of SemCom. To address this challenge, Semantic Steganographic Communication (SemSteCom) achieves ``invisible'' encryption by implicitly embedding private semantic information into cover modality carriers. The state-of-the-art study has further introduced generative diffusion models to directly generate stega images without relying on original cover images, effectively enhancing steganographic capacity. Nevertheless, the recovery process of private images is highly dependent on the guidance of private semantic keys, which may be inferred by intelligent eavesdroppers, thereby introducing new security threats. To address this issue, we propose an Agentic AI-driven SemSteCom (AgentSemSteCom) scheme, which includes semantic extraction, digital token controlled reference image generation, coverless steganography, semantic codec, and optional task-oriented enhancement modules. The proposed AgentSemSteCom scheme obviates the need for both cover images and private semantic keys, thereby boosting steganographic capacity while reinforcing transmission security. The simulation results on open-source datasets verify that, AgentSemSteCom achieves better transmission quality and higher security levels than the baseline scheme.
format Preprint
id arxiv_https___arxiv_org_abs_2601_16472
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle Secure Intellicise Wireless Network: Agentic AI for Coverless Semantic Steganography Communication
Meng, Rui
Gao, Song
Xu, Bingxuan
Xu, Xiaodong
Chen, Jianqiao
Ma, Nan
Xiao, Pei
Zhang, Ping
Tafazolli, Rahim
Cryptography and Security
Signal Processing
Semantic Communication (SemCom), leveraging its significant advantages in transmission efficiency and reliability, has emerged as a core technology for constructing future intellicise (intelligent and concise) wireless networks. However, intelligent attacks represented by semantic eavesdropping pose severe challenges to the security of SemCom. To address this challenge, Semantic Steganographic Communication (SemSteCom) achieves ``invisible'' encryption by implicitly embedding private semantic information into cover modality carriers. The state-of-the-art study has further introduced generative diffusion models to directly generate stega images without relying on original cover images, effectively enhancing steganographic capacity. Nevertheless, the recovery process of private images is highly dependent on the guidance of private semantic keys, which may be inferred by intelligent eavesdroppers, thereby introducing new security threats. To address this issue, we propose an Agentic AI-driven SemSteCom (AgentSemSteCom) scheme, which includes semantic extraction, digital token controlled reference image generation, coverless steganography, semantic codec, and optional task-oriented enhancement modules. The proposed AgentSemSteCom scheme obviates the need for both cover images and private semantic keys, thereby boosting steganographic capacity while reinforcing transmission security. The simulation results on open-source datasets verify that, AgentSemSteCom achieves better transmission quality and higher security levels than the baseline scheme.
title Secure Intellicise Wireless Network: Agentic AI for Coverless Semantic Steganography Communication
topic Cryptography and Security
Signal Processing
url https://arxiv.org/abs/2601.16472