CCA-secure unidirectional proxy re-encryption in the adaptive corruption model without random oracles

• Main Authors: WENG, Jian, CHEN, Minrong, YANG, Yanjiang, DENG, Robert H., CHEN, Kefei
• Format: text
• Language: English
• Published: Institutional Knowledge at Singapore Management University 2010
• Subjects: Adaptive corruption model; Chosen-ciphertext attack; Unidirectional proxy re-encryption; Information Security
• Online Access: https://ink.library.smu.edu.sg/sis_research/4818; https://ink.library.smu.edu.sg/context/sis_research/article/5821/viewcontent/CCA_Secure_Oracles_2010_pv.pdf
• Institution: Singapore Management University

Proxy re-encryption (PRE), introduced by Blaze, Bleumer and Strauss in Eurocrypt’98, allows a semitrusted proxy to convert a ciphertext originally intended for Alice into an encryption of the same message intended for Bob. PRE has recently drawn great interest, and many interesting PRE schemes have...