英和和英

語源

From side +‎ channel.

名詞

sidechannel (plural sidechannels)

1. (computing, security) An indirect source of information about what a system is doing, such as execution time, version number, etc.
   • 2005, Subhamoy Maitra, C.E. Veni Madhavan, Ramarathnam Venkatesan, Progress in Cryptology - INDOCRYPT 2005, →ISBN:

     VLSI circuits are open to sidechannel attacks which disclose information about its internal state to an adversary.

   • 2007, Sean Smith, John Marchesini, The Craft of System Security, →ISBN:

     Timing attacks are an example of sidechannel analysis: examining ways a device can inadvertently transmit information, in addition to its official I/O channels.

   • 2009, Marko Wolf, Security Engineering for Vehicular IT Systems, →ISBN:

     Due to their non-invasive, non-harming manner, and the rarely available and the yet more rarely implemented proper countermeasures, sidechannel attacks are a particularly dangerous attack method against many vehicular IT security mechanisms.

2. A small branch from the main flow of a river, hydraulic system, or electronic circuit.
   • 2001, Bitterroot National Forest (N.F.), Burned Area Recovery, Final Environmental Impact Statement:

     Juvenile growth and survivorship is likely to be reduced by cumulative losses of pool volume and sedimentation of shallow rearing areas such as stream margins and sidechannels.

   • 2007, Travis B. Sanderson, Habitat Diversity and Access to Tributaries are Important to Adult Snake River Cutthroat Trout Residing in the Salt River, Wyoming (MS thesis, University of Wyoming), →ISBN:

     Among all 16 fish, eight showed an association with sidechannel habitat during the spring, being either located in a sidechannel or residing in the mainstem within one habitat unit of where a sidechannel flowed into the mainstem.

   • 2013, Geoff Bearne, Marc Dupuis, Gary Tarcy, Essential Readings in Light Metals, Aluminum Reduction Technology, →ISBN:

     However as the two sidechannel transients are markedly different, because the flow is asymmetric, the value of fitting the model data to the average sidechannel transient is questionable.

アナグラム

• candleshine, channelised