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Non-deterministic Random Bit Generator

nounid 3374·updated Aug 30, 2026
verified· unreviewed

An RBG that (when working properly) produces outputs that have full entropy. Contrast with a DRBG. Other names for non-deterministic RBGs are True Random Number (or Bit) Generators and, simply, Random Number (or Bit) Generators.

MWE

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Classifications

Entity Type

Capability0%rule-basedmulti_axis_classifier_low_confidence.v1

Sensitivity

85%llm-generatedllm:claude-haiku-4-5

Information Class

90%llm-generatedllm:claude-haiku-4-5

Variants

acronym
NRBG
plural
Non-deterministic Random Bit Generators
possessive
Non-deterministic Random Bit Generator's
pluralpossessive
Non-deterministic Random Bit Generators'

Framework definitions

NISTIR 7298: Glossary of Key Information Security Terms, Revision 21 senseview framework →
§1
An RBG that (when working properly) produces outputs that have full entropy. Contrast with a DRBG. Other names for non-deterministic RBGs are True Random Number (or Bit) Generators and, simply, Random Number (or Bit) Generators.
NIST SP 800-90A1 senseview framework →
§1
An RBG that (when working properly) produces outputs that have full entropy. Contrast with a DRBG. Other names for non-deterministic RBGs are True Random Number (or Bit) Generators and, simply, Random Number (or Bit) Generators.
Legacy lexicon import1 senseview framework →
§1 · legacy_primary
An RBG that (when working properly) produces outputs that have full entropy. Contrast with a DRBG. Other names for non-deterministic RBGs are True Random Number (or Bit) Generators and, simply, Random Number (or Bit) Generators.
DR-088 backfill from the noun definition column

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