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PKC
2012
Springer
11 years 7 months ago
2012
Springer
PKC
2012
Springer
11 years 7 months ago
2012
Springer
We revisit the deļ¬nition of unforgeability of blind signatures as proposed by Pointcheval and Stern (Journal of Cryptology 2000). Surprisingly, we show that this established deļ¬...
PKC
2012
Springer
11 years 7 months ago
2012
Springer
Abstract. In the standard setting of broadcast encryption, information about the receivers is transmitted as part of the ciphertext. In several broadcast scenarios, however, the id...
PKC
2012
Springer
11 years 7 months ago
2012
Springer
ded abstract of this work will appear in Public Key Cryptography ā PKC 2012. This is the full version. We propose a general framework that converts (ordinary) signature schemes ...
PKC
2012
Springer
11 years 7 months ago
2012
Springer
We deļ¬ne a new notion of relatively-sound non-interactive zeroknowledge (NIZK) proofs, where a private veriļ¬er with access to a trapdoor continues to be sound even when the Ad...