Fast and Secure Transmission of Image by using Byte Rotation Algorithm in Network Security

International Research Journal of Engineering and Technology (IRJET) e-ISSN: 2395-0056
Volume: 04 Issue: 07 | July -2017 www.irjet.net p-ISSN: 2395-0072
© 2017, IRJET | Impact Factor value: 5.181 | ISO 9001:2008 Certified Journal | Page 1997
FAST AND SECURE TRANSMISSION OF IMAGE BY USING BYTE
ROTATION ALGORITHM IN NETWORK SECURITY
Miss A. P. Waghmare1, Mr. S.S. Kemekar2, Prof. P. R. Lakhe3
1Student of Suresh Deshmukh College Of Engineering, Selukate, Wardha
2 Instrumentation Engineer in Inox Air Product Ltd. Wardha
3 Assistant Professor of Suresh Deshmukh College of Engineering Selukate Wardha
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Abstract - In this paper, we have introduced some inventive
advancement to the byte rotation encryptionalgorithmwhich
is more secure and fast. There has been immense increase in
the accumulation and communication of digital computer
data in both the private and public sector. The main aim of
this study is to increase security in communication by
encryption the information using key that is created through
using an image. Whatever we want to send file from one
location to another location in the network, many
unauthorized users are illegally access the information. There
are different algorithms like blowfish, DES, AES, RC5 that
achieve more security but increases the complexity of the
algorithms and also takes more time for encryption and
decryption of files. The benefits of this algorithm for security
and also reduces time for process of file encryption and
decryption.
Key Words: Byte Rotation Algorithm (BRA), Advanced
Encryption Standard (AES), Network Security,
Encryption, Decryption.
1.INTRODUCTION
In network security different types of attacker, ethical
hacker unauthorized user access the secure data. All these
types of hacker access illegal data. To provide security for
the data authors implemented different algorithm for
encryption and decryption of the data. In the present world
as more and more information is generated and transferred
through network system, the information being transmitted
develops more and more important and security of this data
becomes a greater issue. This data varies from text to
multimedia data, multimedia data includes a major number
of images, images are transferred for different applications
that include medical image system, personal photographs,
military images, and confidential documents that may
contain some private or confidential information that is
required to be protected from any unauthorizedhuman.The
commonly applied approaches are steganography and
cryptography to implement image security. Cryptography is
a technique that uses various encryption and decryption
methods to hold the original message secret. As in
cryptography the encrypted image is visual to user and is in
unreadable form it attracts the attention of hacker. So to
make the secret image more protected the idea of
steganography is introduced that embed the secret message
behind a carrier to make it viewless while communication.
The two techniques differ from the fact that cryptography
tries to keep the content of message secret whereas the
steganography tries to keep the existence of message itself
hidden. In steganography of Image, the presence of secret
image is made hidden by hiding it behind another image. To
provide security to data in network different algorithms are
used but each and every algorithm having its own
advantages and disadvantages. Secret key is used for
encryption in DES algorithm. These algorithms face the
problem when key transmission is done over the network.
For encryption and decryption process RSA algorithm takes
maximum time. AES, DES, Triple DES, RSA are useful
algorithm for improve different parameter like security,
encryption, and decryption process time and increase
complexity. The author S. Bhati proposed Byte Rotation
Algorithm (BRA). Using Byte Rotation Algorithm increase
security and increase speed of encryption process.
1.1 Byte Rotation Algorithm
In digital computer programming, a bitwise
operation operates on one or more bit patterns or binary
numerals at the level of their individual bits. It is a fast,
simple action directly supported by the processor, and is
used to manipulate values for comparisons andcalculations,
typically, bitwise operations are substantially faster than
division, several times faster than multiplication, and
sometimes significantly faster than addition. While modern
processors usually perform addition and multiplication just
as fast as bitwise operations due to their longer instruction
pipelines and other architectural design choices, bitwise
operations do commonly use less power because of the
reduced use of resources.

2. PROPOSED METHODOLOGY
Block diagram of Proposed method
In fig (1) block diagram, for encryptionprocess,secretimage
is input image which divided into four blocks. By using byte
rotation algorithm blocks are shuffle then the cover imageis
embedded on secret image. For decryption process the first
byte rotation algorithm apply on embedded image. After
extraction process, recovering andseparatingimage isdone.
And get output image in RGB.
The proposed method includes following steps:
1. First taking input image which contain secret datatoa
size M*N so that divide resized image into four sub-
images.
2. The sub-images have the size (M/2)*(N/2).
3. Load four sub-images and divide into a number of
pixels. The image is decomposed into blocks with the
same number of pixels. The Image is decomposed into
blocks, each one containinga specific numberofpixels.
4. The main idea is that an image can be encrypted by
rotating the rows and columns of the faces of sub-
images and not to change the positions of the blocks.
By rotating the rows a number of times depending on
the rotation table, and then same number of times for
the columns for an arrangement of blocks, the image
can be scrambled.
5. With a small block size, the correlation will be
decreased and thus it becomes difficult to predict the
value of any given pixel from the values of its
neighbors.
6. The correlation between the blocks of the image is
decreased so as to provide a good level of encryption
of the image.
7. At the receiver side, original image can be retrievedby
an inverse rotation of the blocks.
3. SIMULATION RESULT
Fig 1(a) Fig 1(b)
Fig 1(c) Fig 1(d)
Here first resolution of both inputtedfilethatisofbothcover
image and data image is checked. Cover image and data
image are of resolution 300*168 and 512*512 respectively
shows in fig 1(a) and fig 1(b). In next step data images is
pixel divided into four blocks. Each block size is of 16 bytes.
Subimages divided into number of pixels. Cover image is
embedded with data image.Fig.1(c)showsembeddedimage
of resolution 64*64. At last AES encryption algorithm is
implemented to transfer the recovery information along
with embedded image for exact recovery of data image. The
embedded image is compressed by using lossless JPEG
compression to reduce size for fast transmission. At the
receiver end the image is first decompressed and then data
image is recovered from embedded image.Theoutputimage
is data image shown in fig 1(d).
Fig 2(a) Fig 2(b)

Fig 2(c) Fig 2(d)
Fig. 2 Experimental result (a) cover image.
(b) Data image. (c) Embedded image
(d) Extracted image.
Fig 3(a) Fig 3(b)
Fig 3(c) Fig 3(d)
Fig. 3 Experimental result: (a) Cover image (b)
Data image (c) Embedded image (d) Extracted image.
3.1 PEAK SIGNALTO NOISE RATIO
The high value of MSE and low value of PSNR causes the
resulting encrypted image more randomness. MSE is
calculated using equation (1).
MSE= ....... (1)
PSNR = 10 * log10 (255 / sqrt(MSE)) ........... (2)
where I(x,y) is the original image, I'(x,y) is theapproximated
version (which is actually the decompressed image)and M,N
are the dimensions of the images. Calculated results of MSE
and PSNR are tabulated in the following table.
Input Images
(Original Vs.
Encrypted image)
PSNR NC
Fig 1(a) & Fig.1(c) 59.9406 0.9262
Fig 2(a) & Fig.2(c) 67.1402 0.8811
Fig 3(a) & Fig.3(c) 66.8443 0.9110
Table 1
4. CONCLUSION
In this paper, A new secure image transmission method
has been proposed, which not only improve the image
quality of recover image in but also increase PSNR ratio.
Also, the original secret images can be recovered nearly
lossless from the embedded image. Good experimental
results have shown the feasibility of the proposed method.
Future studies may be directed to applying the proposed
method to images of colour models other than the RGB.
ACKNOWLEDGEMENT
My thanks goes to my guide who have guided me for
development of this project.
REFERENCES
[1] Punam V. Maitri Rekha V. Sarawade “Secure File
Transmission using ByteRotationAlgorithminNetwork
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[3] Prabir Kr. Naskar1, Ayan Chaudhuri2, Atal Chaudhuri3”
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[4] Kalyani V. Gulhane,”A Review on Low Latency for File
Encryption and Decryption Using BRA Algorithm for
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[6] Nidhi Gouttam,”Implementation Of Simulation Of Byte
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[7] Ya-Lin Lee.” A new secureimagetransmissiontechnique
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