Public Cloud User Authentication and Data Confidentiality Using Image Steganography with Hash Function

Bidisha Goswami; Ravichandra G.

doi:doi:10.11648/j.ajam.s.2015030102.11

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Public Cloud User Authentication and Data Confidentiality Using Image Steganography with Hash Function

Bidisha Goswami, Ravichandra G.

Published in American Journal of Applied Mathematics (Volume 3, Issue 1-2)

Received: 24 July 2014 Accepted: 2 September 2014 Published: 27 December 2014

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Abstract

Public cloud is an environment in which many users share resources, but the consumer has to sacrifice security owing to the multi - tenancy feature of cloud computing. However, maintaining Confidentiality and Security for critical data is highly challenging. Taking account of the static nature of user validation, this paper address authentication and confidentiality issues. A methodology has been proposed for user authentication to make cloud server, dynamic in nature, based on the time stamp and other parameters. The confidential data are embedded randomly in images using steganography as a basic technique, in which a new method of encryption and decryption is proposed. The methodology of encryption or decryption uses odd Fibonacci series values and a hash function to prepare hash value series. This hash value series is multiplied with ASCII codes of the original data which need to embed, in decryption process and similar technique have been used here, rather than the technique of multiplying ASCII codes with hash value using division operation.

Published in	American Journal of Applied Mathematics (Volume 3, Issue 1-2) This article belongs to the Special Issue Frontiers in Mathematics and Computing
DOI	10.11648/j.ajam.s.2015030102.11
Page(s)	1-8
Creative Commons	This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.
Copyright	Copyright © The Author(s), 2014. Published by Science Publishing Group

Keywords

Privacy, Cloud computing, Steganography, Encryption, Decryption, Hash Function

References

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APA Style

Bidisha Goswami, Ravichandra G. (2014). Public Cloud User Authentication and Data Confidentiality Using Image Steganography with Hash Function. American Journal of Applied Mathematics, 3(1-2), 1-8. https://doi.org/10.11648/j.ajam.s.2015030102.11

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ACS Style

Bidisha Goswami; Ravichandra G. Public Cloud User Authentication and Data Confidentiality Using Image Steganography with Hash Function. Am. J. Appl. Math. 2014, 3(1-2), 1-8. doi: 10.11648/j.ajam.s.2015030102.11

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AMA Style

Bidisha Goswami, Ravichandra G. Public Cloud User Authentication and Data Confidentiality Using Image Steganography with Hash Function. Am J Appl Math. 2014;3(1-2):1-8. doi: 10.11648/j.ajam.s.2015030102.11

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@article{10.11648/j.ajam.s.2015030102.11,
  author = {Bidisha Goswami and Ravichandra G.},
  title = {Public Cloud User Authentication and Data Confidentiality Using Image Steganography with Hash Function},
  journal = {American Journal of Applied Mathematics},
  volume = {3},
  number = {1-2},
  pages = {1-8},
  doi = {10.11648/j.ajam.s.2015030102.11},
  url = {https://doi.org/10.11648/j.ajam.s.2015030102.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajam.s.2015030102.11},
  abstract = {Public cloud is an environment in which many users share resources, but the consumer has to sacrifice security owing to the multi - tenancy feature of cloud computing. However, maintaining Confidentiality and Security for critical data is highly challenging. Taking account of the static nature of user validation, this paper address authentication and confidentiality issues. A methodology has been proposed for user authentication to make cloud server, dynamic in nature, based on the time stamp and other parameters. The confidential data are embedded randomly in images using steganography as a basic technique, in which a new method of encryption and decryption is proposed. The methodology of encryption or decryption uses odd Fibonacci series values and a hash function to prepare hash value series. This hash value series is multiplied with ASCII codes of the original data which need to embed, in decryption process and similar technique have been used here, rather than the technique of multiplying ASCII codes with hash value using division operation.},
 year = {2014}
}

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TY  - JOUR
T1  - Public Cloud User Authentication and Data Confidentiality Using Image Steganography with Hash Function
AU  - Bidisha Goswami
AU  - Ravichandra G.
Y1  - 2014/12/27
PY  - 2014
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DO  - 10.11648/j.ajam.s.2015030102.11
T2  - American Journal of Applied Mathematics
JF  - American Journal of Applied Mathematics
JO  - American Journal of Applied Mathematics
SP  - 1
EP  - 8
PB  - Science Publishing Group
SN  - 2330-006X
UR  - https://doi.org/10.11648/j.ajam.s.2015030102.11
AB  - Public cloud is an environment in which many users share resources, but the consumer has to sacrifice security owing to the multi - tenancy feature of cloud computing. However, maintaining Confidentiality and Security for critical data is highly challenging. Taking account of the static nature of user validation, this paper address authentication and confidentiality issues. A methodology has been proposed for user authentication to make cloud server, dynamic in nature, based on the time stamp and other parameters. The confidential data are embedded randomly in images using steganography as a basic technique, in which a new method of encryption and decryption is proposed. The methodology of encryption or decryption uses odd Fibonacci series values and a hash function to prepare hash value series. This hash value series is multiplied with ASCII codes of the original data which need to embed, in decryption process and similar technique have been used here, rather than the technique of multiplying ASCII codes with hash value using division operation.
VL  - 3
IS  - 1-2
ER  -

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Author Information

Bidisha Goswami

Computer Science & Engineering, PES Institute of Technology, Bangalore South Campus, Bangalore, India
Ravichandra G.

Computer Science & Engineering, PES Institute of Technology, Bangalore South Campus, Bangalore, India

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APA Style

Bidisha Goswami, Ravichandra G. (2014). Public Cloud User Authentication and Data Confidentiality Using Image Steganography with Hash Function. American Journal of Applied Mathematics, 3(1-2), 1-8. https://doi.org/10.11648/j.ajam.s.2015030102.11

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ACS Style

Bidisha Goswami; Ravichandra G. Public Cloud User Authentication and Data Confidentiality Using Image Steganography with Hash Function. Am. J. Appl. Math. 2014, 3(1-2), 1-8. doi: 10.11648/j.ajam.s.2015030102.11

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AMA Style

Bidisha Goswami, Ravichandra G. Public Cloud User Authentication and Data Confidentiality Using Image Steganography with Hash Function. Am J Appl Math. 2014;3(1-2):1-8. doi: 10.11648/j.ajam.s.2015030102.11

Copy | Download

@article{10.11648/j.ajam.s.2015030102.11,
  author = {Bidisha Goswami and Ravichandra G.},
  title = {Public Cloud User Authentication and Data Confidentiality Using Image Steganography with Hash Function},
  journal = {American Journal of Applied Mathematics},
  volume = {3},
  number = {1-2},
  pages = {1-8},
  doi = {10.11648/j.ajam.s.2015030102.11},
  url = {https://doi.org/10.11648/j.ajam.s.2015030102.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajam.s.2015030102.11},
  abstract = {Public cloud is an environment in which many users share resources, but the consumer has to sacrifice security owing to the multi - tenancy feature of cloud computing. However, maintaining Confidentiality and Security for critical data is highly challenging. Taking account of the static nature of user validation, this paper address authentication and confidentiality issues. A methodology has been proposed for user authentication to make cloud server, dynamic in nature, based on the time stamp and other parameters. The confidential data are embedded randomly in images using steganography as a basic technique, in which a new method of encryption and decryption is proposed. The methodology of encryption or decryption uses odd Fibonacci series values and a hash function to prepare hash value series. This hash value series is multiplied with ASCII codes of the original data which need to embed, in decryption process and similar technique have been used here, rather than the technique of multiplying ASCII codes with hash value using division operation.},
 year = {2014}
}

Copy | Download

TY  - JOUR
T1  - Public Cloud User Authentication and Data Confidentiality Using Image Steganography with Hash Function
AU  - Bidisha Goswami
AU  - Ravichandra G.
Y1  - 2014/12/27
PY  - 2014
N1  - https://doi.org/10.11648/j.ajam.s.2015030102.11
DO  - 10.11648/j.ajam.s.2015030102.11
T2  - American Journal of Applied Mathematics
JF  - American Journal of Applied Mathematics
JO  - American Journal of Applied Mathematics
SP  - 1
EP  - 8
PB  - Science Publishing Group
SN  - 2330-006X
UR  - https://doi.org/10.11648/j.ajam.s.2015030102.11
AB  - Public cloud is an environment in which many users share resources, but the consumer has to sacrifice security owing to the multi - tenancy feature of cloud computing. However, maintaining Confidentiality and Security for critical data is highly challenging. Taking account of the static nature of user validation, this paper address authentication and confidentiality issues. A methodology has been proposed for user authentication to make cloud server, dynamic in nature, based on the time stamp and other parameters. The confidential data are embedded randomly in images using steganography as a basic technique, in which a new method of encryption and decryption is proposed. The methodology of encryption or decryption uses odd Fibonacci series values and a hash function to prepare hash value series. This hash value series is multiplied with ASCII codes of the original data which need to embed, in decryption process and similar technique have been used here, rather than the technique of multiplying ASCII codes with hash value using division operation.
VL  - 3
IS  - 1-2
ER  -

Copy | Download