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» Hash Based Digital Signature Schemes
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EUROCRYPT
2012
Springer
13 years 2 months ago
Lattice Signatures without Trapdoors
We provide an alternative method for constructing lattice-based digital signatures which does not use the “hash-and-sign” methodology of Gentry, Peikert, and Vaikuntanathan (ST...
Vadim Lyubashevsky
ACNS
2007
Springer
129views Cryptology» more  ACNS 2007»
15 years 5 months ago
Gradually Convertible Undeniable Signatures
In 1990, Boyar, Chaum, Damg˚ard and Pedersen introduced convertible undeniable signatures which limit the self-authenticating property of digital signatures but can be converted b...
Laila El Aimani, Damien Vergnaud
AIL
2006
84views more  AIL 2006»
14 years 11 months ago
Meaningful electronic signatures based on an automatic indexing method
Legal information certification and secured storage combined with documents electronic signature are of great interest when digital documents security and conservation are in conce...
Maxime Wack, Ahmed Nait-Sidi-Moh, Sid Lamrous, Nat...
ACNS
2003
Springer
131views Cryptology» more  ACNS 2003»
15 years 4 months ago
On the Security of Two Threshold Signature Schemes with Traceable Signers
A (t, n) threshold signature scheme allows t or more group members to generate signatures on behalf of a group with n members, while any t−1 or less members cannot do the same th...
Guilin Wang, Xiaoxi Han, Bo Zhu
PKC
2007
Springer
129views Cryptology» more  PKC 2007»
15 years 5 months ago
Two-Tier Signatures, Strongly Unforgeable Signatures, and Fiat-Shamir Without Random Oracles
We provide a positive result about the Fiat-Shamir (FS) transform in the standard model, showing how to use it to convert threemove identification protocols into two-tier signatur...
Mihir Bellare, Sarah Shoup