In the field of security different steganography techniques hides data within the cover media
in such a way so that human perception cannot follow it. All of these also try to follow three …

Steganography is an art of hiding the existence of secret information by embedding it in a
cover and hence preventing the unauthorized access of confidential information. This paper …

Transfer of secret data is an important aspect in the arena of developing technology. Privacy
of data is one of the major tasks required now days. In this paper, we dealt with …

Data transmission must be secure enough to be used in a channel medium without any loss
and tampering of data. Data sent in a compact way adds to the efficiency in sustaining the …

Obscuring the important message before disseminating become obligatory. In a traditional
(n, k) threshold visual secret sharing (VSS), size of the reassembled secret is more than the …

In this paper, a new approach is adopted to embed an image within an image using a
modified Hill cipher method. The secret image is taken and rearranged to form N 2× 2 …

One Time Password (OTP) provides an additional layer of authentication to a web server,
protecting against fraudulent attempts so that the information is protected between the user …

Data hiding is an approach in which one can transmit the information to the exact user
without notice to third person. Nowadays, the all information is available across the web has …

Protection of multimedia information from different types of attackers has become important
for people and governments. A high definition image has a large amount of data, and thus …

The paper proposes a robust steganography technique to hide the data in an image. The
method proposed uses Huffman coding to minimize the number of bits to be embedded and …