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Public-Key Forward Secrecy

nounid 3736·updated Aug 30, 2026
verified· unreviewed

For a key agreement protocol based on asymmetric cryptography, the property that ensures that a session key derived from a set of long-term public and private keys will not be compromised if one of the private keys is compromised in the future.

MWE

Attested in

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Classifications

Entity Type

Control0%rule-basedmulti_axis_classifier_low_confidence.v1

Sensitivity

60%llm-generatedllm:claude-haiku-4-5

Information Class

80%llm-generatedllm:claude-haiku-4-5

Variants

acronym
PFS
plural
Public-Key Forward Secrecies
possessive
Public-Key Forward Secrecy's
pluralpossessive
Public-Key Forward Secrecies'

Framework definitions

SANS Glossary of Security Terms1 senseview framework →
§1
For a key agreement protocol based on asymmetric cryptography, the property that ensures that a session key derived from a set of long-term public and private keys will not be compromised if one of the private keys is compromised in the future.
Legacy lexicon import1 senseview framework →
§1 · legacy_primary
For a key agreement protocol based on asymmetric cryptography, the property that ensures that a session key derived from a set of long-term public and private keys will not be compromised if one of the private keys is compromised in the future.
DR-088 backfill from the noun definition column

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Incoming relationships

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