13 search results - page 2 / 3 » Reducing Trust in the PKG in Identity Based Cryptosystems |
CNSR
2004
IEEE
13 years 9 months ago
2004
IEEE
In this paper, we propose a pairing-based signcryption scheme for authenticated broadcasting, which requires less computation than a previously proposed scheme suggesting identity...
CCS
2008
ACM
13 years 7 months ago
2008
ACM
A well-known concern in the setting of identity based encryption is that the PKG is all powerful and has to be completely trusted. To mitigate this problem, the notion of Accounta...
TCC
2004
Springer
13 years 11 months ago
2004
Springer
We show how to public-key obfuscate two commonly used shuffles: decryption shuffles which permute and decrypt ciphertexts, and re-encryption shuffles which permute and re-encrypt c...
FC
1999
Springer
13 years 9 months ago
1999
Springer
Abstract. We present a series of protocols for authenticating an individual’s membership in a group without revealing that individual’s identity and without restricting how the...
JUCS
2010
13 years 4 months ago
2010
: With the spreading of embedded and mobile devices, public-key cryptography has become an important feature for securing communication and protecting personal data. However, the c...