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# INFA 640 Cryptology and Data Protection

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Question 1

Answer 1

Given:

2000 bits message is used to produce 256 bits hash

The number of different message which can be produce are = 2^{2000}

The number of different hash which can be produce = 2^{256}

Hence the average number of messages having same hash = 2^{2000}/2^{256} = 2^{2000 – 256} = 2^{1744}

Thus above result state that to have unique hash value for different message the length of message must be approximately equal or less than the length of hash.

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## [Solved] INFA 640 Cryptology and Data Protection

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- Submitted On 31 May, 2016 04:53:26

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- NUMBER1TUTOR
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Question 1
Answer 1
Given:
2000 bits message is used to produce 256 bits hash
The number of different message whi...

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