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Recent steganographic schemes, starting with Meteor (CCS'21), rely on leveraging large language models (LLMs) to resolve a historically-challenging task of disguising covert communication as ``innocent-looking'' natural-language…

Cryptography and Security · Computer Science 2025-04-15 Neil Perry , Sanket Gupte , Nishant Pitta , Lior Rotem

The technique of hiding secret messages within seemingly harmless covertext to evade examination by censors with rigorous security proofs is known as provably secure steganography (PSS). PSS evolves from symmetric key steganography to…

Cryptography and Security · Computer Science 2025-04-29 Xin Zhang , Kejiang Chen , Na Zhao , Weiming Zhang , Nenghai Yu

Recently, a chaotic image encryption algorithm based on perceptron model was proposed. The present paper analyzes security of the algorithm and finds that the equivalent secret key can be reconstructed with only one pair of…

Cryptography and Security · Computer Science 2011-11-08 Yu Zhang , Chengqing Li , Qin Li , Dan Zhang , Shi Shu

To provide an added security level most of the existing reversible as well as irreversible image steganography schemes emphasize on encrypting the secret image (payload) before embedding it to the cover image. The complexity of encryption…

Multimedia · Computer Science 2014-10-14 Soumendu Chakraborty , Anand Singh Jalal , Charul Bhatnagar

Steganography is the process of hiding secret information by embedding it in an "innocent" message. We present protocols for hiding quantum information in a codeword of a quantum error-correcting code passing through a channel. Using either…

Quantum Physics · Physics 2013-05-29 Bilal A. Shaw , Todd A. Brun

In this paper, A new image steganography scheme is proposed which is a kind of spatial domain technique. In order to hide secret data in cover-image, the first component alteration technique is used. Techniques used so far focuses only on…

Multimedia · Computer Science 2010-01-13 Amanpreet Kaur , Renu Dhir , Geeta Sikka

We propose to realize visual cryptography in an indirect way with the help of computer-generated hologram. At present, the recovery method of visual cryptography is mainly superimposed on transparent film or superimposed by computer…

Image and Video Processing · Electrical Eng. & Systems 2022-12-22 Tao Yu , Jinge Ma , Guilin Li , Dongyu Yang , Rui Ma , Yishi Shi

In this position paper, we argue that when hypergraphs are used to capture multi-way local relations of data, their resulting topological features describe global behaviour. Consequently, these features capture complex correlations that can…

Nowadays, social media has become the preferred communication platform for web users but brought security threats. Linguistic steganography hides secret data into text and sends it to the intended recipient to realize covert communication.…

Cryptography and Security · Computer Science 2023-03-13 Xilong Wang , Yaofei Wang , Kejiang Chen , Jinyang Ding , Weiming Zhang , Nenghai Yu

Steganography plays a vital role in achieving secret data security by embedding it into cover media. The cover media and the secret data can be text or multimedia, such as images, videos, etc. In this paper, we propose a novel…

Multimedia · Computer Science 2020-07-13 Rohit Agrawal

This paper presents Quantum Gatekeeper, a context-bound image steganography framework where successful payload recovery depends on both cryptographic decryption and the reconstruction of a precise extraction path. The system integrates…

Quantum Physics · Physics 2026-04-30 Sahil Tomar , Sandeep Kumar

Steganography is the art and science of covert writing, with a broad range of applications interwoven within the realm of cybersecurity. As artificial intelligence continues to evolve, its ability to synthesise realistic content emerges as…

Cryptography and Security · Computer Science 2025-04-22 Ching-Chun Chang , Isao Echizen

The proliferation of digital carriers that can be exploited to conceal arbitrary data has greatly increased the number of techniques for implementing network steganography. As a result, the literature overlaps greatly in terms of concepts…

The Penrose triangle, staircase, and related ``impossible objects'' have long been understood as related to first cohomology $H^1$: the obstruction to extending locally consistent interpretations around a loop. This paper develops a…

Algebraic Topology · Mathematics 2026-02-11 Lewis Ghrist , Robert Ghrist

Image Steganography is a growing research area of information security where secret information is embedded in innocent-looking public communication. This paper proposes a novel crystographic technique for grayscale images in spatial…

Multimedia · Computer Science 2016-01-08 Khan Muhammad , Jamil Ahmad , Haleem Farman , Zahoor Jan

Visual cryptography aims to protect images against their possible illegitimate use. Thus, one can cipher, hash, or add watermarks for protecting copyright, among others. In this paper we provide a new solution to the problem of secret…

Cryptography and Security · Computer Science 2023-06-22 José Ignacio Farrán , David Cerezo

This paper presents a recursive computational multi-secret sharing technique that hides k-2 secrets of size b each into n shares of a single secret S of size b, such that any k of the n shares suffice to recreate the secret S as well as all…

Cryptography and Security · Computer Science 2010-01-20 Abhishek Parakh , Subhash Kak

This paper is concerned with secret hiding in multiple image bitplanes for increased security without undermining capacity. A secure steganographic algorithm based on bitplanes index manipulation is proposed. The index manipulation is…

Multimedia · Computer Science 2020-04-28 Alan Anwer Abdulla , Sabah A. Jassim , Harin Sellahewa

In this paper, we propose a session based bit level symmetric key cryptographic technique and it is termed as Spiral Matrix Based Bit Orientation Technique (SMBBOT). SMBBOT consider the input plain text as binary bit stream. During…

Cryptography and Security · Computer Science 2013-05-06 Manas Paul , Jyotsna Kumar Mandal

In this work we investigate the problem of simultaneous privacy and integrity protection in cryptographic circuits. We consider a white-box scenario with a powerful, yet limited attacker. A concise metric for the level of probing and fault…

Cryptography and Security · Computer Science 2009-07-27 Berndt M. Gammel , Stefan Mangard