package entropy
Import Path
crypto/internal/entropy (on go.dev)
Dependency Relation
imports one package, and imported by one package
Involved Source Files
Package entropy provides the passive entropy source for the FIPS 140-3
module. It is only used in FIPS mode by [crypto/internal/fips140/drbg.Read].
This complies with IG 9.3.A, Additional Comment 12, which until January 1,
2026 allows new modules to meet an [earlier version] of Resolution 2(b):
"A software module that contains an approved DRBG that receives a LOAD
command (or its logical equivalent) with entropy obtained from [...] inside
the physical perimeter of the operational environment of the module [...]."
Distributions that have their own SP 800-90B entropy source should replace
this package with their own implementation.
Package-Level Functions (only one)
Depleted notifies the entropy source that the entropy in the module is
"depleted" and provides the callback for the LOAD command.
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