CRYPTO
1998
Springer
13 years 9 months ago
1998
Springer
CRYPTO
1998
Springer
13 years 9 months ago
1998
Springer
CRYPTO
1998
Springer
13 years 9 months ago
1998
Springer
The exponentiation function in a finite field of order p (a prime number) is believed to be a one-way function. It is well known that O(log log p) bits are simultaneously hard for ...
CRYPTO
1998
Springer
13 years 9 months ago
1998
Springer
Abstract. We evaluate constructions for building pseudo-random functions (PRFs) from pseudo-random permutations (PRPs). We present two constructions: a slower construction which pr...
CRYPTO
1998
Springer
13 years 9 months ago
1998
Springer
We introduce delegation schemes wherein a user may delegate certain rights to himself, but may not safely delegate these rights to others. In our motivating application, a user ha...
CRYPTO
1998
Springer
13 years 9 months ago
1998
Springer
A new public key cryptosystem is proposed and analyzed. The scheme is quite practical, and is provably secure against adaptive chosen ciphertext attack under standard intractabili...
CRYPTO
1998
Springer
13 years 9 months ago
1998
Springer
We state the basic requirements for time-stamping systems applicable as the necessary support to the legal use of electronic documents. We analyze the main drawbacks of the time-st...
CRYPTO
1998
Springer
13 years 9 months ago
1998
Springer
Verifiable Signature Sharing (VS ) enables the recipient of a digital signature, who is not necessarily the original signer, to share such signature among n proxies so that a subse...
CRYPTO
1998
Springer
13 years 9 months ago
1998
Springer
CRYPTO
1998
Springer
13 years 9 months ago
1998
Springer
ded abstract of this paper appears in Advances in Cryptology { Crypto 98 Proceedings, Lecture Notes in Computer Science Vol. 1462, H. Krawczyk ed., Springer-Verlag, 1998. This is t...