Abstract. An electronic signature is considered to be valid, if the signature is mathematically correct and if the signer's public key is classified as authentic. While the fi...
The Exponential Challenge Response (XRC) and Dual Exponential Challenge Response (DCR) signature schemes are the building blocks of the HMQV protocol. We propose a complementary an...
Augustin P. Sarr, Philippe Elbaz-Vincent, Jean-Cla...
Current PKI-based email systems (such as X.509 S/MIME and PGP/ MIME) potentially enable a recipient to determine a name and organizational affiliation of the sender. This informati...