A Subject-Delegated Decryption Scheme with "Tightly" Limited Authority

Lihua Wang, Takeshi Okamoto, Masahiro Mambo, Eiji Okamoto. A Subject-Delegated Decryption Scheme with "Tightly" Limited Authority. IACR Cryptology ePrint Archive, 2006:344, 2006. [doi]

Abstract

Abstract is missing.