This paper presents some new unknown key-share attacks on STS-MAC, the version of the STS key agreement protocol which uses a MAC algorithm to provide key confirmation. Various me...
Public-key implementers often face strong hardware-related constraints. In particular, modular operations required in most cryptosystems generally constitute a computational bottle...
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...
Ahto Buldas, Peeter Laud, Helger Lipmaa, Jan Wille...
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...
In this article, we look at the elliptic curve cryptography, which is believed to be one of the most promising candidates for the next generation cryptographic tool. The following ...