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S3K: Scalable Security With Symmetric Keys—DTLS Key Establishment for the Internet of Things

2016; Institute of Electrical and Electronics Engineers; Volume: 13; Issue: 3 Linguagem: Inglês

10.1109/tase.2015.2511301

1558-3783

Shahid Raza, Lüdwig Seitz, Sitenkov Denis, Göran Selander,

IoT and Edge/Fog Computing

DTLS is becoming the de facto standard for communication security in the Internet of Things (IoT). In order to run the DTLS protocol, one needs to establish keys between the communicating devices. The default method of key establishment requires X.509 certificates and a Public Key Infrastructure, an approach which is often too resource consuming for small IoT devices. DTLS also supports the use of preshared keys and raw public keys. These modes are more lightweight, but they are not scalable to a large number of devices.