121 search results - page 21 / 25 » A Ring Signature Scheme Using Bilinear Pairings |
WAIFI
2010
Springer
13 years 5 months ago
2010
Springer
Abstract. We focus on the implementation and security aspects of cryptographic protocols that use Type 1 and Type 4 pairings. On the implementation front, we report improved timing...
EUROCRYPT
2010
Springer
14 years 6 days ago
2010
Springer
In this paper, we present two fully secure functional encryption schemes. Our first result is a fully secure attribute-based encryption (ABE) scheme. Previous constructions of AB...
CCS
2007
ACM
14 years 1 months ago
2007
ACM
In ciphertext policy attribute-based encryption (CP-ABE), every secret key is associated with a set of attributes, and every ciphertext is associated with an access structure on a...
CCS
2008
ACM
13 years 9 months ago
2008
ACM
In 1998, Blaze, Bleumer, and Strauss suggested a cryptographic primitive termed proxy re-signature in which a proxy transforms a signature computed under Alice's secret key in...
ICC
2008
IEEE
14 years 1 months ago
2008
IEEE
—We investigate multiuser two-way relaying strategies for interference limited systems where multiple pairs of users exchange information with their partners via an intermediate ...