What is the mutual information between Alice and Bob in the BB84 protocol in the case when the error on the receiving side is 0.5?

Question

Cryptography

What is the mutual information between Alice and Bob in the BB84 protocol in the case when the error on the receiving side is 0.5.

Answer 1

42

Answer 2

at 50% errors, 50% of the sieved information remains.
That is 50% of the general information.

Answer 3

2020