Random Numbers determine the security level of cryptographic applications as they are used to generate padding schemes in the encryption/decryption process as well as used to generate cryptographic keys. This paper utilizes the QKD to generate a random quantum bit rely on BB84 protocol, using the NIST and DIEHARD randomness test algorithms to test and evaluate the randomness rates for key gener...

Key technological advances in wireless communications, Micro Electro Mechanical Systems (MEMS), and digital circuitry have energized the research community to focus on the challenges of wireless sensor networks. In this paper, we propose a new pre-distribution key management scheme that meets the operational and security requirements of wireless sensor networks and provide authentication and ke...

We propose a new solution for key generation process on the basis of Received Signal Strength (RSS) for wireless sensor nodes. We use simulation environments to show that RSS at both the communicating parties is same due to high data transmission rates is a random characteristic and can be used to generate a secret key. We also try to show that how it can become vulnerable if proper care is not...

Key distribution is an important problem in wireless sensor networks where sensor nodes are randomly scattered in adversarial environments. Due to the random deployment of sensors, a list of keys must be pre-distributed to each sensor node before deployment. To establish a secure communication, two nodes must share common key from their key-rings. Otherwise, they can find a keypath in which ens...

Recently, LaMacchia, Lauter and Mityagin proposed the extended Canetti-Krawczyk (eCK) model for Authenticated Key Exchange (AKE) protocols that covers many attacks on existing models. An ID-based AKE protocol with Perfect Forward Secrecy (PFS) (respectively Master Perfect Forward Secrecy (MPFS)) ensures that revelation of the static keys of the parties (respectively the master secret key of the...

The establishing of a pairwise key between two nodes for encryption in a wireless sensor network is a challenging issue. To do this, we propose a new deterministic key pre-distribution scheme which has modified the multiple key space scheme (MKSS). In the MKSS, the authors define two random parameters to make better resilience than existing schemes. Instead of a random selection of these parame...

Abs t rac t . Path keys are secrets established between communicating devices that do not share a pre-distributed key. They are required by most key pre-distribution schemes for sensor networks, because topology is unknown before deployment and storing complete pairwise-unique keys is infeasible for low-cost devices such as sensors. Unfortunately, path keys have often been neglected by existing...