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DOI: 10.14569/IJACSA.2011.020814
PDF

Analysis of Guess and Determined Attack on Non Linear Modified SNOW 2.0 Using One LFSR

Author 1: Madiha Waris
Author 2: Malik Sikandar Hayat Khiyal
Author 3: Aihab Khan

International Journal of Advanced Computer Science and Applications(IJACSA), Volume 2 Issue 8, 2011.

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Abstract: stream ciphers encrypt the data bit by bit. In this research a new model of stream cipher SNOW 2.0 has been proposed i.e. Non linear modified SNOW 2.0 using one Linear Feedback Shift Register (LFSR) with the embedding of non linear function in the model. The analysis of Guess and Determined (GD) attack has been done to check its security with respect to previous versions. The proposed model contains one Linear Feedback Shift Register (LFSR) along with the non linear function which increases the strength of the stream cipher, to make the static nature of modified SNOW 2.0 dynamic. The Experimental analysis show that such a mechanism has been built which provides more security than the previous version of modified SNOW 2.0 in which non linearity was either not introduced or it was introduced using two Linear Feedback Shift Registers (LFSRs). It is concluded that this version is more powerful with respect to the security of plain text against Guess and Determined attack (GD) as compared to the previous versions.

Keywords: component; Linear Feedback Shift Register , Guess and Determined Attack, Finite State Machine.

Madiha Waris, Malik Sikandar Hayat Khiyal and Aihab Khan, “Analysis of Guess and Determined Attack on Non Linear Modified SNOW 2.0 Using One LFSR” International Journal of Advanced Computer Science and Applications(IJACSA), 2(8), 2011. http://dx.doi.org/10.14569/IJACSA.2011.020814

@article{Waris2011,
title = {Analysis of Guess and Determined Attack on Non Linear Modified SNOW 2.0 Using One LFSR},
journal = {International Journal of Advanced Computer Science and Applications},
doi = {10.14569/IJACSA.2011.020814},
url = {http://dx.doi.org/10.14569/IJACSA.2011.020814},
year = {2011},
publisher = {The Science and Information Organization},
volume = {2},
number = {8},
author = {Madiha Waris and Malik Sikandar Hayat Khiyal and Aihab Khan}
}



Copyright Statement: This is an open access article licensed under a Creative Commons Attribution 4.0 International License, which permits unrestricted use, distribution, and reproduction in any medium, even commercially as long as the original work is properly cited.

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