121 search results - page 21 / 25 » A Ring Signature Scheme Using Bilinear Pairings |
WAIFI
2010
Springer
14 years 8 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...
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EUROCRYPT
2010
Springer
15 years 3 months 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
15 years 4 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
15 years 17 days 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
15 years 5 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 ...