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Paper Title
Avalanche Effect: A Judgement Parameter of Strength in Symmetric Key Block Ciphers
Authors
  Bannishikha Banerjee

Abstract
Sharing of data between different nodes needs security. The data is confidential and it is important that no one other than the authorized users can access it. To ensure this, it is important that an algorithm provides sufficient confusion and diffusion to ensure avalanche effect. In this paper, a comparison and analysis has been done among several cryptographic algorithms on the basis of their size, execution time and avalanche effect using plaintext sensitivity and key sensitivity test. Key Sensitivity Test means when a single bit of the key is changed keeping the plaintext constant, a change in the ciphertext is noticed. If at least 50% of the ciphertext changes then it is called Avalanche effect. Similarly, in Plaintext Sensitivity Test when a single bit of plaintext is changed keeping the key constant, it is expected that a strong cryptographic algorithm will show avalanche effect.

Keywords- Cryptography, Diffusion, Confusion, Confidentiality, Avalanche Effect.
Publication Details
Unique Identification Number - IJEDR1902026
Page Number(s) - 116-121
Pubished in - Volume 7 | Issue 2 | May 2019
DOI (Digital Object Identifier) -   
Publisher - IJEDR (ISSN - 2321-9939)
Cite this Article
  Bannishikha Banerjee,   "Avalanche Effect: A Judgement Parameter of Strength in Symmetric Key Block Ciphers", International Journal of Engineering Development and Research (IJEDR), ISSN:2321-9939, Volume.7, Issue 2, pp.116-121, May 2019, Available at :http://www.ijedr.org/papers/IJEDR1902026.pdf
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