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CRYPTO
2006
Springer
14 years 1 months ago
2006
Springer
We build concurrently executable blind signatures schemes in the common reference string model, based on general complexity assumptions, and with optimal round complexity. Namely, ...
CRYPTO
2006
Springer
14 years 1 months ago
2006
Springer
We present a robust multiparty computation protocol. The protocol is for the cryptographic model with open channels and a polytime adversary, and allows n parties to actively secur...
CRYPTO
2006
Springer
14 years 1 months ago
2006
Springer
Let H1, H2 be two hash functions. We wish to construct a new hash function H that is collision resistant if at least one of H1 or H2 is collision resistant. Concatenating the outpu...
CRYPTO
2006
Springer
14 years 1 months ago
2006
Springer
We present an identity-based cryptosystem that features fully anonymous ciphertexts and hierarchical key delegation. We give a proof of security in the standard model, based on the...
CRYPTO
2006
Springer
14 years 1 months ago
2006
Springer
In the last ten years, multivariate cryptography has emerged as a possible alternative to public key cryptosystems based on hard computational problems from number theory. Notably,...