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INFORMATICALT
2006
177views more  INFORMATICALT 2006»
13 years 7 months ago
Cryptanalysis and Improvement of Practical Convertible Authenticated Encryption Schemes Using Self-Certified Public Keys
A convertible authenticated encryption scheme allows a specified recipient to recover and verify a message simultaneously. Moreover the recipient can prove the dishonesty of the se...
Zuhua Shao
FC
2006
Springer
147views Cryptology» more  FC 2006»
13 years 11 months ago
Timed-Release and Key-Insulated Public Key Encryption
In this paper we consider two security notions related to Identity Based Encryption: Key-insulated public key encryption, introduced by Dodis, Katz, Xu and Yung; and Timed-Release ...
Jung Hee Cheon, Nicholas Hopper, Yongdae Kim, Ivan...
EUROCRYPT
2003
Springer
14 years 26 days ago
A Simpler Construction of CCA2-Secure Public-Key Encryption under General Assumptions
Abstract. In this paper we present a simpler construction of a publickey encryption scheme that achieves adaptive chosen ciphertext security (CCA2), assuming the existence of trapd...
Yehuda Lindell
CTRSA
2006
Springer
176views Cryptology» more  CTRSA 2006»
13 years 11 months ago
Chosen Ciphertext Secure Public Key Threshold Encryption Without Random Oracles
Abstract. We present a non-interactive chosen ciphertext secure threshold encryption system. The proof of security is set in the standard model and does not use random oracles. Our...
Dan Boneh, Xavier Boyen, Shai Halevi
ISW
1997
Springer
13 years 11 months ago
Signcryption and Its Applications in Efficient Public Key Solutions
Signcryption is a new paradigm in public key cryptography that simultaneously fulfills both the functions of digital signature and public key encryption in a logically single step,...
Yuliang Zheng