Related papers: Le probleme de l'isomorphisme de graphes est dans …

This paper has been withdrawn by the authors due to several major changes in concepts and results. New version will follow briefly as a new e-print.

This paper has been withdrawn by the author

This paper has been withdrawn by the author.

This paper has been withdrawn by the author due to an error in the proof of Theorem 1.

This paper has been withdrawn by the author

This paper has been withdrawn.

The paper has been withdrawn by authors. The issues studied in this paper were changed so much that we have published a new paper considering these issues. See hep-th/0406074

This paper has been withdrawn by the author due to a crucial error in example.

This paper has been withdrawn by the author, due to the insecurity against attacks received in quant-ph/0605027v5.

This paper was withdrawn by the author.

This paper has been withdrawn by the author.

The paper has been withdrawn due to an error in the main theorem.

The paper is withdrawn.

This paper has been withdrawn

This paper has been withdrawn by the author, due to an error in the proof of Theorem 3.8.

This paper has been withdrawn by the authors due to an error.

This paper has been withdrawn

This article has been withdrawn due to an error in a proof of the main result.

This paper has been withdrawn by the author due to the incorrect argument for the security.

This paper has been withdrawn while the author verifies the literature.