—The pervasive distribution of digital images triggers an emergent need of authenticating degraded images by lossy compression and transmission. This paper proposes a robust cont...
Authentication is an important security measure for multicast applications, providing receivers with confidence that the packets they receive are valid. Simply signing every multi...
We present a new model for undeniable signatures: fair-anonymous undeniable signatures. This protocol can not only preserve the privacy of the signer (i.e. anonymity) but also trac...
Song Han, Elizabeth Chang, Xiaotie Deng, Winson K....
Undeniable signatures were introduced in 1989 by Chaum and van Antwerpen to limit the self-authenticating property of digital signatures. An extended concept – the convertible un...