Artur K. Ekert Merton College and Physics Department, Oxford University, Oxford OX1 3PU, United Kingdom
Received 18 April 1991; published in the issue dated 5 August 1991
Practical application of the generalized Bell’s theorem in the so-called key distribution process in cryptography is reported. The proposed scheme is based on the Bohm’s version of the Einstein-Podolsky-Rosen gedankenexperiment and Bell’s theorem is used to test for eavesdropping.