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Question

The conditions for perfect secrecy are

a.

Only one key transforming message should exist

b.

All keys should be equally likely

c.

One key transforming message to each cipher text & all keys should be equally likely

d.

None of the mentioned

Posted under Digital Communication

Answer: (c).One key transforming message to each cipher text & all keys should be equally likely

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Q. The conditions for perfect secrecy are
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