1562 search results - page 157 / 313 » Mathematics, Cryptology, Security |
CHES
2006
Springer
14 years 3 days ago
2006
Springer
In this paper, we propose a new block cipher HIGHT with 64-bit block length and 128-bit key length. It provides low-resource hardware implementation, which is proper to ubiquitous ...
CRYPTO
2006
Springer
14 years 3 days 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 3 days 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 days 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, ...
CTRSA
2006
Springer
14 years 1 days ago
2006
Springer
A series of recent papers have demonstrated collision attacks on popularly used hash functions, including the widely deployed MD5 and SHA-1 algorithm. To assess this threat, the na...