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DAM
2006
121views more  DAM 2006»
13 years 11 months ago
Fine-grained forward-secure signature schemes without random oracles
We propose the concept of fine-grained forward-secure signature schemes. Such signature schemes not only provide non-repudiation w.r.t. past time periods the way ordinary forward-...
Jan Camenisch, Maciej Koprowski
CRYPTO
2001
Springer
106views Cryptology» more  CRYPTO 2001»
14 years 4 months ago
Forward-Secure Signatures with Optimal Signing and Verifying
We propose the first forward-secure signature scheme for which both signing and verifying are as efficient as for one of the most efficient ordinary signature schemes (Guillou-Qui...
Gene Itkis, Leonid Reyzin