Wireless body area networks (WBANs) consist of many small low-power sensors, through
which users could monitor the real-time parameters of patients' physiology remotely. This …

Smart grid is a fully automated power transmission network. It monitors and controls each
user and grid node to ensure bidirectional flow of information and power between all nodes …

Since certificateless public key cryptography (CLPKC) has received widespread attention
due to its efficiency in avoiding key escrow problems in identity-based public key …

Recently, numerous multireceiver identity‐based encryption or identity‐based broadcast
encryption schemes have been introduced with bilinear pairing and probabilistic map‐to …

Three-party key agreement protocol is an important cryptographic mechanism for secure
communication, which allows two parties authenticate each other with the help of a trusted …

Recently, He et al. proposed an efficient certificateless signature (CLS) scheme without
pairings and demonstrated their scheme to be provably secure in the random oracle model …

The certificateless public key cryptography has attracted wide attention since it could solve
the certificate management problem in the traditional public key cryptography and the key …

Power Internet of Things (IoT) is the application of IoT technology in the field of power grid,
which can better control all kinds of power equipment, power personnel and operating …

A provably secure certificateless digital signature scheme using elliptic curve cryptography
is presented in this paper. Since the certificateless public key cryptosystem removes the …

The proxy signature scheme allows a proxy signer to sign messages on behalf of an original
signer, a company or an organization. Such schemes have lots of practical applications …