Side-Channel Attack

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Definition(s):

An attack enabled by leakage of information from a physical cryptosystem. Characteristics that could be exploited in a side-channel attack include timing, power consumption, and electromagnetic and acoustic emissions.
Source(s):
NIST SP 1800-21B under Side-Channel Attacks from NIST SP 800-63-3
NIST SP 800-63-3

Glossary Comments

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See NISTIR 7298 Rev. 3 for additional details.