Key pre-distribution scheme with limited collusion resistance

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Learn about HIMMO

HIMMO is a key pre-distribution scheme invented at Philips Research that allows any pair of devices to easily agree on a common pairwise key or implicitly verify their credentials.

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Features & Applications

HIMMO's pairwise keys and excellent performance are ideal for the Internet of Things, but HIMMO has limited collusion resistance, which limits its deployment in larger networks.

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Security level

HIMMO has been shown to have limited collusion resistance capabilities. More information can be found in this paper.