Public-Key Forward Secrecy

nounid 3736·updated May 12, 2026

candidate

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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

Classifications

per-axis with provenance

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

4 surface forms

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

Framework definitions

1 sense across 1 framework

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.

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