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CRYPTO
2003
Springer
95views Cryptology» more  CRYPTO 2003»
14 years 1 months ago
Plaintext Awareness via Key Registration
Abstract. In this paper, we reconsider the notion of plaintext awareness. We present a new model for plaintext-aware encryption that is both natural and useful. We achieve plaintex...
Jonathan Herzog, Moses Liskov, Silvio Micali
CCS
2007
ACM
14 years 2 months ago
Chosen-ciphertext secure proxy re-encryption
In a proxy re-encryption (PRE) scheme, a proxy is given special information that allows it to translate a ciphertext under one key into a ciphertext of the same message under a di...
Ran Canetti, Susan Hohenberger
ESORICS
2007
Springer
14 years 2 months ago
On the Privacy of Concealed Data Aggregation
A formal treatment to the privacy of concealed data aggregation (CDA) is given. While there exist a handful of constructions, rigorous security models and analyses for CDA are stil...
Aldar C.-F. Chan, Claude Castelluccia
ASIACRYPT
2000
Springer
14 years 27 days ago
Authenticated Encryption: Relations among Notions and Analysis of the Generic Composition Paradigm
An authenticated encryption scheme is a symmetric encryption scheme whose goal is to provide both privacy and integrity. We consider two possible notions of authenticity for such ...
Mihir Bellare, Chanathip Namprempre
ASIACRYPT
2005
Springer
14 years 2 months ago
Identity-Based Hierarchical Strongly Key-Insulated Encryption and Its Application
In this paper, we discuss non-interactive updating of decryption keys in identity-based encryption (IBE). IBE is a public key cryptosystem where a public key is an arbitrary strin...
Yumiko Hanaoka, Goichiro Hanaoka, Junji Shikata, H...