Cloud computing is emerging as a new computing paradigm in the healthcare sector
besides other business domains. Large numbers of health organizations have started …

The key exchange protocol that establishes initial shared secrets in the handshake of the
Signal end-to-end encrypted messaging protocol has several important characteristics:(1) it …

Communication in modern cars is managed by a controller area network (CAN) bus protocol
and its extensions for electronic control units (ECUs). The CAN bus is a preferred method for …

Multiparty signature protocols need protection against rogue-key attacks, made possible
whenever an adversary can choose its public key (s) arbitrarily. For many schemes …

Zero trust architecture is an end-to-end approach for server resources and data security
which contains identity authentication, access control, dynamic evaluation, and so on. This …

Abstract The concept of Designated Verifier Signatures (DVS) was introduced by Jakobsson,
Sako and Impagliazzo at Eurocrypt'96. These signatures are intended to a specific verifier …

Image recognition is one of the most important fields of image processing and computer
vision. Food image classification is an unique branch of image recognition problem. In …

We show that the signer can abuse the disavowal protocol in the Jakobsson-Sako-
Impagliazzo designated-verifier signature scheme. In addition, we identify a new security …

Chameleon signatures are based on well established hash-and-sign paradigm, where a
chameleon hash function is used to compute the cryptographic message digest. Chameleon …

Abstract Universal Designated-Verifier Signature (UDVS) schemes are digital signature
schemes with additional functionality which allows any holder of a signature to designate the …