31 search results - page 2 / 7 » Direct Chosen-Ciphertext Secure Identity-Based Key Encapsula... |
TIT
2011
13 years 2 days ago
2011
Abstract. In 1998, Blaze, Bleumer, and Strauss proposed a cryptographic primitive called proxy re-encryption, in which a proxy transforms – without seeing the corresponding plain...
EUROCRYPT
2009
Springer
14 years 5 months ago
2009
Springer
Recently, at Crypto 2008, Boneh, Halevi, Hamburg, and Ostrovsky (BHHO) solved the longstanding open problem of "circular encryption," by presenting a public key encrypti...
ASIACRYPT
2005
Springer
13 years 10 months ago
2005
Springer
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...
ACISP
2010
Springer
13 years 6 months ago
2010
Springer
We introduce the concept of attribute-based authenticated key exchange (AB-AKE) within the framework of ciphertext policy attribute-based systems. A notion of AKE-security for AB-A...
DCC
2008
IEEE
14 years 4 months ago
2008
IEEE
In this paper, we formally prove that padding the plaintext with a random bit-string provides the semantic security against chosen plaintext attack (IND-CPA) for the McEliece (and ...