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» Anonymous Signatures Revisited
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SCN
2010
Springer
116views Communications» more  SCN 2010»
13 years 6 months ago
Provably Secure Convertible Undeniable Signatures with Unambiguity
Abstract. This paper shows some efficient and provably-secure convertible undeniable signature schemes (with both selective conversion and all conversion), in the standard model an...
Le Trieu Phong, Kaoru Kurosawa, Wakaha Ogata
INTR
2006
90views more  INTR 2006»
13 years 7 months ago
Anonymous attribute certificates based on traceable signatures
Purpose
Vicente Benjumea, Javier Lopez, José M. Tro...
CANS
2007
Springer
96views Cryptology» more  CANS 2007»
14 years 1 months ago
Anonymity 2.0 - X.509 Extensions Supporting Privacy-Friendly Authentication
Abstract. We present a semantic extension to X.509 certificates that allows incorporating new anonymity signature schemes into the X.509 framework. This fact entails advantages to...
Vicente Benjumea, Seung Geol Choi, Javier Lopez, M...
PKC
2007
Springer
144views Cryptology» more  PKC 2007»
14 years 1 months ago
Traceable Ring Signature
Abstract. The ring signature allows a signer to leak secrets anonymously, without the risk of identity escrow. At the same time, the ring signature provides great flexibility: No ...
Eiichiro Fujisaki, Koutarou Suzuki
ICICS
2005
Springer
14 years 1 months ago
Asymmetric Concurrent Signatures
The concept of concurrent signatures allows two entities to produce two signatures in such a way that, the signer of each signature is ambiguous from a third party’s point of vie...
Khanh Nguyen