Photuris (protocol)

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In computer networking, Photuris is a session key management protocol defined in RFC 2522.

Photuris is the Latin name of a genus of fireflies native to North America that mimic the signals of other firefly species. The name was chosen as a reference to the (classified) FIREFLY key exchange protocol developed by the National Security Agency and used in the STU-III secure telephone, which is believed to operate by similar principles.

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In computing, Internet Protocol Security (IPsec) is a secure network protocol suite that authenticates and encrypts the packets of data to provide secure encrypted communication between two computers over an Internet Protocol network. It is used in virtual private networks (VPNs).

Firefly Family of beetles

The Lampyridae are a family of insects in the beetle order Coleoptera, with more than 2,000 described species, many of which are light-emitting. They are soft-bodied beetles commonly called fireflies, glowworms, or lightning bugs for their conspicuous production of light, mainly during twilight, to attract mates. Light production in the Lampyridae originated as an honest warning signal that the larvae were distasteful; this was co-opted in evolution as a mating signal in the adults. In a further development, female fireflies of the genus Photuris mimic the flash pattern of Photinus species to trap their males as prey.

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Photuris may refer to:

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Photurinae Subfamily of beetles

The Photurinae are a subfamily of fireflies (Lampyridae). They contain many of the well-known North American species, such as the Pennsylvania firefly, state insect of Pennsylvania. They are among the "flashing" fireflies known as "lightning bugs" in North America, although they are not too distantly related to the flashing fireflies in the Lampyrinae; as the most basal lineages of that subfamily do not produce light at all, the Photurinae's flashing signals seem to be convergent evolution.

<i>Photuris pensylvanica</i> Species of beetle

Photuris pensylvanica, known by the common names Pennsylvania firefly, lightning bug, dot-dash firefly and glowworm, is a species of firefly from the United States and Canada. It is also widely known under the Latin name Photuris pennsylvanica, although the original spelling, with one "n", was common in Latinized names of the time and remains the valid name.

<i>Photinus pyralis</i> Species of beetle

Photinus pyralis, known by the common names common eastern firefly and big dipper firefly, is the most common species of firefly in North America. P. pyralis is a flying and light-producing beetle with a light organ on the ventral side of its abdomen. This organism is sometimes incorrectly classified as Photuris pyralis, which likely results from mistaking the similar-sounding genus Photuris.

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Photuris fairchildi is a species of firefly in the beetle family Lampyridae. It is found in North America.This species is known to use aggressive mimicry in order to lure in and prey upon the males of other species of firefly. This species inhabits marshes, spruce forests, and other low swampy areas.