English
Related papers

Related papers: Lightweight security mechanism for PSTN-VoIP coope…

200 papers

Data security is required when communications over untrusted networks takes place. Security tools such as cryptography and steganography are applied to achieve such objectives, but both have limitations and susceptible to attacks if they…

Cryptography and Security · Computer Science 2019-03-01 Sherief H. Murad , Amr M. Gody , Tamer M. Barakat

The STCP (Stream Control Transmission Protocol) is a candidate for a new transport layer protocol that may replace the TCP (Transmission Control Protocol) and the UDP (User Datagram Protocol) protocols in future IP networks. Currently, the…

Cryptography and Security · Computer Science 2011-04-19 Wojciech Fraczek , Wojciech Mazurczyk , Krzysztof Szczypiorski

Steganography and Cryptography are two popular ways of sending vital information in a secret way. One hides the existence of the message and the other distorts the message itself. There are many cryptography techniques available; among them…

Cryptography and Security · Computer Science 2010-09-16 Dipti Kapoor Sarmah , Neha Bajpai

As is commonly known, the steganographic algorithms employ images, audio, video or text files as the medium to ensure hidden exchange of information between multiple contenders to protect the data from the prying eyes. However, using text…

Cryptography and Security · Computer Science 2012-03-19 Shraddha Dulera , Devesh Jinwala , Aroop Dasgupta

In recent years, the security related to data over the internet has become a major issue. Different techniques are used to secure the information, one such technique is steganography. In steganography, one can have a cover media as an…

Cryptography and Security · Computer Science 2022-02-02 P N Priya , R Ranjitha , Yashaswini Naik , Shrilekha , Rama Moorthy H

In this letter, we present a novel and extremely fast steganalysis method of Voice over IP (VoIP) streams, driven by the need for a quick and accurate detection of possible steganography in VoIP streams. We firstly analyzed the correlations…

Multimedia · Computer Science 2020-04-22 Hao Yang , ZhongLiang Yang , YongJian Bao , YongFeng Huang

The purpose of this tutorial is to present an overview of various information hiding techniques. A brief history of steganography is provided along with techniques that were used to hide information. Text, image and audio based information…

Cryptography and Security · Computer Science 2008-02-27 Sabu M. Thampi

We provide a new provably-secure steganographic encryption protocol that is proven secure in the complexity-theoretic framework of Hopper et al. The fundamental building block of our steganographic encryption protocol is a "one-time…

Cryptography and Security · Computer Science 2009-09-22 Aggelos Kiayias , Yona Raekow , Alexander Russell , Narasimha Shashidhar

Steganography is the science of hiding and communicating a secret message by embedding it in an innocent looking text such that the eavesdropper is unaware of its existence. Previously, attempts were made to establish steganography using…

Quantum Physics · Physics 2022-06-07 Rohan Joshi , Akhil Gupta , Kishore Thapliyal , R Srikanth , Anirban Pathak

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

As computer systems become more pervasive and complex, security is increasingly important. Secure Transmission refers to the transfer of data such as confidential or proprietary information over a secure channel. Many secure transmission…

Multimedia · Computer Science 2013-07-01 Deepali Virmani , Nidhi Beniwal , Gargi Mandal , Saloni Talwar

Voice over IP (VoIP) is unquestionably the most popular real-time service in IP networks today. Recent studies have shown that it is also a suitable carrier for information hiding. Hidden communication may pose security concerns as it can…

Cryptography and Security · Computer Science 2010-02-24 Wojciech Mazurczyk , Krzysztof Cabaj , Krzysztof Szczypiorski

With the Volume of Voice over IP (VoIP) traffic rises shapely, more and more VoIP-based steganography methods have emerged in recent years, which poses a great threat to the security of cyberspace. Low bit-rate speech codecs are widely used…

Multimedia · Computer Science 2019-10-11 Hao Yang , Zhongliang Yang , YongJian Bao , Yongfeng Huang

The paper presents a new steganographic method called LACK (Lost Audio PaCKets Steganography) which is intended mainly for VoIP. The method is presented in a broader context of network steganography and of VoIP steganography in particular.…

Cryptography and Security · Computer Science 2008-11-26 Wojciech Mazurczyk , Jozef Lubacz

Steganography is the process of embedding secret information discreetly within a carrier, ensuring secure exchange of confidential data. The Adaptive Pixel Value Differencing (APVD) steganography method, while effective, encounters certain…

Cryptography and Security · Computer Science 2025-07-21 Mehrab Hosain , Rajiv Kapoor

Steganography is the science of invisible communication. The purpose of Steganography is to maintain secret communication between two parties. The secret information can be concealed in content such as image, audio, or video. This paper…

Multimedia · Computer Science 2013-04-15 Hemalatha S , U Dinesh Acharya , Renuka A , Priya R. Kamath

In recent years, there has been an increasing number of information hiding techniques based on network streaming media, focusing on how to covertly and efficiently embed secret information into real-time transmitted network media signals to…

Cryptography and Security · Computer Science 2024-11-22 Pengcheng Zhou , Zhengyang Fang , Zhongliang Yang , Zhili Zhou , Linna Zhou

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

The Session Initiation Protocol (SIP) has become the most predominant protocol for Voice over Internet Protocol (VoIP) signaling. Security of SIP is an important consideration for VoIP communication as the traffic is transmitted over the…

Cryptography and Security · Computer Science 2010-02-08 Abdullah Al Hasib , Abdullah Azfar , Md. Sarwar Morshed

Data privacy and data security are always on highest priority in the world. We need a reliable method to encrypt the data so that it reaches the destination safely. Encryption is a simple yet effective way to protect our data while…

Multimedia · Computer Science 2020-02-07 Hanisha Chowdary N , Karan K , Bharath K P , Rajesh Kumar M