English
Related papers

Related papers: Quantum Steganography over Noiseless Channels: Ach…

200 papers

In this paper, a novel steganographic scheme based on chaotic iterations is proposed. This research work takes place into the information hiding security framework. The applications for anonymity and privacy through the Internet are…

Cryptography and Security · Computer Science 2012-02-27 Jacques M. Bahi , Jean-François Couchot , Nicolas Friot , Christophe Guyeux

Transmitting information about quantum states over classical noisy channels is an important problem with applications to science, computing, and sensing. This task, however, poses fundamental challenges due to the exponential scaling of…

Quantum Physics · Physics 2025-12-08 Nikhitha Nunavath , Jiechen Chen , Osvaldo Simeone , Riccardo Bassoli , Frank H. P. Fitzek

In today's digital age, the internet is essential for communication and the sharing of information, creating a critical need for sophisticated data security measures to prevent unauthorized access and exploitation. Cryptography encrypts…

Cryptography and Security · Computer Science 2024-04-12 Anamitra Maiti , Subham Laha , Rishav Upadhaya , Soumyajit Biswas , Vikas Chaudhary , Biplab Kar , Nikhil Kumar , Jaydip Sen

We examine a situation in which an information-carrying signal is sent from two sources to a common receiver. The radiation travels through free space in the presence of noise. The information resides in a relationship between the two…

Quantum Physics · Physics 2007-05-23 Walter Simmons , Sandip Pakvasa

In this paper we propose a general method to quantify how "quantum" a set of quantum states is. The idea is to gauge the quantumness of the set by the worst-case difficulty of transmitting the states through a purely classical communication…

Quantum Physics · Physics 2007-05-23 Christopher A. Fuchs , Masahide Sasaki

An efficient quantum cryptography network protocol is proposed with d-dimension polarized photons, without resorting to entanglement and quantum memory. A server on the network, say Alice, provides the service for preparing and measuring…

Quantum Physics · Physics 2015-05-13 Chun-Yan Li , Xi-Han Li , Fu-Guo Deng , Ping Zhou , Yu-Jie Liang , Hong-Yu Zhou

Image steganography is the art of hiding data into images. Secret data such as messages, audio, images can be hidden inside the cover image. This is mainly achieved by hiding the data into the LSB(Least Significant Bit) of the image pixels.…

Cryptography and Security · Computer Science 2020-12-07 Sahil Gangurde , Krishnakant Tiwari

Color image steganography based on deep learning is the art of hiding information in the color image. Among them, image hiding steganography(hiding image with image) has attracted much attention in recent years because of its great…

Cryptography and Security · Computer Science 2021-12-30 Hai Su , Shan Yang , Shuqing Zhang , Songsen Yu

The impressive pace of advance of quantum technology calls for robust and scalable techniques for the characterization and validation of quantum hardware. Quantum process tomography, the reconstruction of an unknown quantum channel from…

In this paper, the authors propose a new algorithm to hide data inside image using steganography technique. The proposed algorithm uses binary codes and pixels inside an image. The zipped file is used before it is converted to binary codes…

Multimedia · Computer Science 2011-12-14 Rosziati Ibrahim , Teoh Suk Kuan

With the advancement of communication technology,data is exchanged digitally over the network. At the other side the technology is also proven as a tool for unauthorized access to attackers. Thus the security of data to be transmitted…

Multimedia · Computer Science 2014-07-11 Manisha Rana , Rohit Tanwar

With the explosive growth of internet and the fast communication techniques in recent years the security and the confidentiality of the sensitive data has become of prime and supreme importance and concern. To protect this data from…

Cryptography and Security · Computer Science 2012-07-04 Harshavardhan Kayarkar , Sugata Sanyal

A promising strategy to protect quantum information from noise-induced errors is to encode it into the low-energy states of a topological quantum memory device. However, readout errors from such memory under realistic settings is less…

Quantum Physics · Physics 2024-01-15 Weishun Zhong , Oles Shtanko , Ramis Movassagh

Redundant information of low-bit-rate speech is extremely small, thus it's very difficult to implement large capacity steganography on the low-bit-rate speech. Based on multiple vector quantization characteristics of the Line Spectrum Pair…

Cryptography and Security · Computer Science 2018-09-11 Zhongliang Yang , Xueshun Peng , Yongfeng Huang , Chinchen Chang

Quantum key distribution is an effective encryption technique which can be used to perform secure quantum communication between satellite and ground stations. Quantum cryptography enhances security in various networks such as optical fibers…

Quantum Physics · Physics 2018-07-20 Vishal Sharma , Subhashish Banerjee

We propose quantum cryptographic protocols to secretly communicate a reference frame- unspeakable information in the sense it cannot be encoded into a string of bits. Two distant parties can secretly align their Cartesian axes by exchanging…

Quantum Physics · Physics 2008-10-22 Giulio Chiribella , Lorenzo Maccone , Paolo Perinotti

Entanglement has the ability to enhance the transmission of classical information over a quantum channel. However, fully harvesting this advantage typically requires complex entangling measurements, which are challenging to implement and…

This paper presents an adaptable steganography (information hiding) method for digital radio communication. Many radio steganography methods exist, but most are defined at higher levels of the protocol stack and are thus protocol dependent.…

Multimedia · Computer Science 2013-04-30 David E. Robillard

Quantum communication addresses the problem of exchanging information across macroscopic distances by employing encryption techniques based on quantum mechanical laws. Here, we advance a new paradigm for secure quantum communication by…

Quantum Physics · Physics 2021-05-19 R. Di Candia , H. Yiğitler , G. S. Paraoanu , R. Jäntti

We study the limitations of steganography when the sender is not using any properties of the underlying channel beyond its entropy and the ability to sample from it. On the negative side, we show that the number of samples the sender must…

Cryptography and Security · Computer Science 2008-06-05 Nenad Dedić , Gene Itkis , Leonid Reyzin , Scott Russell