The rapid advance and popularization of VoIP (Voice over IP) has also brought security
issues. VoIP-based secure voice communication has two sides: first, for legitimate users, the …

Since the concept of coverless information hiding was proposed, it has been greatly
developed due to its effectiveness of resisting the steganographic tools. In this paper, a new …

The improved technology in information security, now day has been being still developed.
This, cause of the object called data which still has an important role in communications …

Voice over Internet Protocol (VoIP) is a popular and important internet protocol for real-time
voice calling. It is used in several software applications such as Skype, WhatsApp, and …

Data hiding in Voice over Internet Protocol (VoIP) using coverless approach improves the
undetectability by preserving the cover bits from modification. This paper focuses on hiding …

Documents for some entities contain important information. Cryptography and
steganography are a mechanism that is often used to maintain confidentiality. Parallel …

The idea of coverless information hiding has seen a great deal of development since it was
initially introduced due to its effectiveness in defeating steganalysis tools. However, the …

Covert communication is an important necessity for governments and companies due to the
ease of eavesdropping and access to information. A private channel with robust encryption …

Abstract Voice over Internet Protocol (VoIP) steganography based on Quantization Index
Modulation (QIM) has become one of the mainstream audio steganography methods due to …

Cryptography and steganography are the major role approaches for covert communications.
While cryptography enciphers the information in such a way to be nonunderstandable for …