A Flexibly Revocable Key-Distribution Scheme for Efficient Black-Box Tracing. - Tatsuyuki Matsushita (ICICS, 2002)

A Public-Key Black-Box Traitor Tracing Scheme with Sublinear Ciphertext Size Against Self-Defensive Pirates. - Tatsuyuki Matsushita; Hideki Imai (ASIACRYPT, 2004)

A Flexible-Revocation Scheme for Efficient Public-Key Black-Box Traitor Tracing. - Tatsuyuki Matsushita; Hideki Imai (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2005)

Hierarchical Key Assignment for Black-Box Tracing with Efficient Ciphertext Size. - Tatsuyuki Matsushita; Hideki Imai (ICICS, 2006)

Unforgeability of Re-Encryption Keys against Collusion Attack in Proxy Re-Encryption. - Ryotaro Hayashi 001; Tatsuyuki Matsushita; Takuya Yoshida; Yoshihiro Fujii; Koji Okada (IWSEC, 2011)

A Proxy Re-Encryption Scheme with the Unforgeability of Re-Encryption Keys against Collusion Attacks. - Ryotaro Hayashi 001; Tatsuyuki Matsushita (IACR Cryptol. ePrint Arch., 2014)

A Peer-to-Peer Content-Distribution Scheme Resilient to Key Leakage. - Tatsuyuki Matsushita; Shinji Yamanaka; Fangming Zhao (IEICE Trans. Inf. Syst., 2016)