CTRSA
2004
Springer
14 years 5 months ago
2004
Springer
Abstract. This paper analyses periodic properties of counter assisted stream ciphers. In particular, we analyze constructions where the counter system also has the purpose of provi...
CTRSA
2004
Springer
14 years 5 months ago
2004
Springer
Abstract. A compact mesh architecture for supporting the relation collection step of the number field sieve is described. Differing from TWIRL, only isolated chips without inter-...
CTRSA
2004
Springer
14 years 5 months ago
2004
Springer
Abstract. In [8] Vaudenay presented an attack on block cipher CBCmode encryption when a particular padding method is used. In this paper, we employ a similar approach to analyse th...
CTRSA
2004
Springer
14 years 5 months ago
2004
Springer
Abstract. Exponentiation is a central process in many public-key cryptosystems such as RSA and DH. This paper introduces the concept of self-randomized exponentiation as an efficie...
CTRSA
2004
Springer
14 years 5 months ago
2004
Springer
Abstract. In this paper, we give a first example of identity based undeniable signature using pairings over elliptic curves. We extend to the identity based setting the security m...
CTRSA
2004
Springer
14 years 5 months ago
2004
Springer
We introduce a new cryptographic technique that we call universal re-encryption. A conventional cryptosystem that permits reencryption, such as ElGamal, does so only for a player w...
CTRSA
2004
Springer
14 years 5 months ago
2004
Springer
This paper presents a scalable hardware implementation of both commonly used public key cryptosystems, RSA and Elliptic Curve Cryptosystem (ECC) on the same platform. The introduce...
ASIACRYPT
2004
Springer
14 years 5 months ago
2004
Springer
We investigate efficient protocols for password-authenticated key exchange based on the RSA public-key cryptosystem. To date, most of the published protocols for password-authentic...
ASIACRYPT
2004
Springer
14 years 5 months ago
2004
Springer
ASIACRYPT
2004
Springer
14 years 5 months ago
2004
Springer
Abstract. We consider the problem of increasing the threshold parameter of a secret-sharing scheme after the setup (share distribution) phase, without further communication between...