CTRSA
2004
Springer
14 years 4 months ago
2004
Springer
We present a cryptanalysis of a zero-knowledge identification protocol introduced by Naccache et al. at Eurocrypt '95. Our cryptanalysis enables a polynomial-time attacker to ...
CTRSA
2004
Springer
14 years 4 months ago
2004
Springer
Abstract. Secure authentication frequently depends on the correct recognition of a user's public key. When there is no certificate authority, this key is obtained from other u...
CTRSA
2004
Springer
14 years 5 months ago
2004
Springer
We describe a block-cipher mode of operation, EME, that turns an n-bit block cipher into
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...