Ryotaro Hayashi

According to our database, Ryotaro Hayashi authored at least 8 papers between 2004 and 2014.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of three.

2014

A Proxy Re-Encryption Scheme with the Unforgeability of Re-Encryption Keys against Collusion Attacks.

Ryotaro Hayashi, Tatsuyuki Matsushita

IACR Cryptol. ePrint Arch., 2014

2011

Unforgeability of Re-Encryption Keys against Collusion Attack in Proxy Re-Encryption.

Ryotaro Hayashi, Tatsuyuki Matsushita, Takuya Yoshida, Yoshihiro Fujii, Koji Okada

Proceedings of the Advances in Information and Computer Security, 2011

2007

Anonymity on Paillier's Trap-Door Permutation.

Ryotaro Hayashi, Keisuke Tanaka

Proceedings of the Information Security and Privacy, 12th Australasian Conference, 2007

2006

Schemes for Encryption with Anonymity and Ring Signature.

Ryotaro Hayashi, Keisuke Tanaka

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2006

PA in the Two-Key Setting and a Generic Conversion for Encryption with Anonymity.

Ryotaro Hayashi, Keisuke Tanaka

Proceedings of the Information Security and Privacy, 11th Australasian Conference, 2006

2005

The Sampling Twice Technique for the RSA-Based Cryptosystems with Anonymity.

Ryotaro Hayashi, Keisuke Tanaka

Proceedings of the Public Key Cryptography, 2005

Universally Anonymizable Public-Key Encryption.

Ryotaro Hayashi, Keisuke Tanaka

Proceedings of the Advances in Cryptology, 2005

2004

An RSA Family of Trap-Door Permutations with a Common Domain and Its Applications.

Ryotaro Hayashi, Tatsuaki Okamoto, Keisuke Tanaka

Proceedings of the Public Key Cryptography, 2004