Public key encryption

nounid 3730·updated May 9, 2026

candidate

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A cryptographic system that uses two keys: one is a public key, which is known to everyone, and the second is a private or secret key, which is only known to the recipient of the message See also Asymmetric Key.

MWE

Classifications

per-axis with provenance

Entity Type

Credential90%rule-basedr:entity.credential.cert.v1

Sensitivity

unclassified

Information Class

unclassified

Variants

3 surface forms

plural: Public key encryptions
possessive: Public key encryption's
pluralpossessive: Public key encryptions'

Framework definitions

2 senses across 2 frameworks

SANS Glossary of Security Terms1 senseview framework →

§1: The popular synonym for "asymmetric cryptography".

ISACA Cybersecurity Glossary1 senseview framework →

§1: A cryptographic system that uses two keys: one is a public key, which is known to everyone, and the second is a private or secret key, which is only known to the recipient of the message See also Asymmetric Key.

Outgoing relationships

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Incoming relationships

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