1562 search results - page 201 / 313 » Mathematics, Cryptology, Security |
EUROCRYPT
2005
Springer
14 years 1 months ago
2005
Springer
In undeniable signature schemes, zero-knowledgeness and non-transferability have been identified so far. In this paper, by separating these two notions, we show the first 3-move ...
HIP
2005
Springer
14 years 1 months ago
2005
Springer
Abstract. Current CAPTCHAs require users to solve objective questions such as text recognition or image recognition. We propose a class of CAPTCHAs based on collaborative filterin...
WCC
2005
Springer
14 years 1 months ago
2005
Springer
The security of the RSA public key cryptosystem depends on the intractability of the integer factoring problem. This paper shall give some theoretical support to the assumption of ...
ACNS
2004
Springer
14 years 1 months ago
2004
Springer
A family of authenticators based on static shared keys is identified and proven secure. The authenticators can be used in a variety of settings, including identity-based ones. App...
CRYPTO
2004
Springer
14 years 1 months ago
2004
Springer
Ordinarily, RSA and Rabin ciphertexts and signatures are log N bits, where N is a composite modulus; here, we describe how to “compress” Rabin ciphertexts and signatures (among...