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ISRO2018-74

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Avalanche effect in cryptography

  1. Is desirable property of cryptographic algorithm
  2. Is undesirable property of cryptographic algorithm
  3. Has no effect on encryption algorithm
  4. None of the above
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In cryptography, the avalanche effect is a desired effect in encryption to ensure that a person cannot easily predict a message based on the changes in the hash value through a statistical analysis.

If an input is changed slightly (for example, flipping a single bit), the output changes significantly (e.g., half the output bits flip). 

So Avalanche effect is a desirable property of the cryptographic algorithm. 

https://en.wikipedia.org/wiki/Avalanche_effect


Option A is correct. 

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