Ryotaro Hayashi, Tatsuyuki Matsushita, Takuya Yoshida, Yoshihiro Fujii, Koji Okada. Unforgeability of Re-Encryption Keys against Collusion Attack in Proxy Re-Encryption. In Tetsu Iwata, Masakatsu Nishigaki, editors, Advances in Information and Computer Security - 6th International Workshop, IWSEC 2011, Tokyo, Japan, November 8-10, 2011. Proceedings. Volume 7038 of Lecture Notes in Computer Science, pages 210-229, Springer, 2011. [doi]
Abstract is missing.