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Least significant bit (LSB) steganography technique on digital PNG formatted images
Abdul Hakim Shukor1, Noratikah Shamsudin2, Noraini Seman3.
Steganography is the efficient technique to provide secure data
transmission over the network, as the number of users increases effectively.
The cryptography is also used to provide security to data over network, but
transmission of secured message may be detectable to third party. From
security point of view, steganography does not allow to detect the presence
of hidden secret other than indeed user, over the communication channel.
Here we are implementing the image steganography i.e image as the
master file or cover media and secrete message can be text messages. This
paper presents to provide the transfer of secret data embedded into master
file to obtain new image , which is practically indistinguishable from the
original image, so that other than the indeed user, cannot detect the
presence of the secrete data sent. Here we use the Least Significant Bit
(LSB) algorithm technique for hiding the secrete data by embedding the
secrete data into a master file in sending station and we use reverse process
of LSB encoding technique during the retrieval of the secrete data from the
master file by the intended user. The PSNR of both techniques should be
measured as performance characteristics of the steganography and
comparing both the techniques.
Affiliation:
- Universiti Teknologi MARA, Malaysia
- Universiti Teknologi MARA, Malaysia
- Universiti Teknologi MARA, Malaysia
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