Related papers: Quantum cryptography without a quantum channel

This paper has been withdrawn Abstract: This paper has been withdrawn by the author due to the publication.

This paper was withdrawn by the authors.

This paper has been withdrawn by the author and replaced by arXiv:0809.4751

This paper has been withdrawn by the author.

This paper has been withdrawn by the authors. We have discovered an error in the evaluation of the diagram, which invalidates our conclusion.

This paper has been withdrawn by the author due to a crucial problem associated with Figs. 2 and 3.

This paper has been withdrawn by the author(s). Please see arXiv:0711.3910 for revision.

This paper has been withdrawn by the authors. It has been superseded by hep-th/0309154

This paper has been withdrawn by the author due to errors.

Ever since its inception, cryptography has been caught in a vicious circle: Cryptographers keep inventing methods to hide information, and cryptanalysts break them, prompting cryptographers to invent even more sophisticated encryption…

This paper has been withdrawn by the authors due to a gap in the proof of the main result (in 5.3).

This paper has been withdrawn by the author because the conclusions reached in it are incorrect.

This paper has been withdrawn by the author. This paper is now obsolete. For a solution please see: arXiv:/1205.4265.

This paper has been withdrawn by the author because it was a speculative investigation.

The paper has been withdrawn

This paper has been withdrawn by the author because there are some typos in proofs.

This paper has been withdrawn by the authors.

This paper has been withdrawn by the author.

This paper has been withdrawn by the author due to a gap in the proof of the main result.

None. This paper has been withdrawn by the authors.