Quantum mutual information and the one-time pad
Quantum Physics
2009-11-13 v1
Abstract
Alice and Bob share a correlated composite quantum system AB. If AB is used as the key for a one-time pad cryptographic system, we show that the maximum amount of information that Alice can send securely to Bob is the quantum mutual information of AB.
Cite
@article{arxiv.quant-ph/0604207,
title = {Quantum mutual information and the one-time pad},
author = {Benjamin Schumacher and Michael D. Westmoreland},
journal= {arXiv preprint arXiv:quant-ph/0604207},
year = {2009}
}
Comments
11 pages, LaTeX