Deterministic Random Bit Generator

nounid 2304·updated May 12, 2026

candidate

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A Random Bit Generator (RBG) that includes a DRBG mechanism and (at least initially) has access to a source of entropy input. The DRBG produces a sequence of bits from a secret initial value called a seed, along with other possible inputs. A DRBG is often called a Pseudorandom Number (or Bit) Generator. Source of entropy input. The DRBG produces a sequence of bits from a secret initial value called a seed, along with other possible inputs. A DRBG is often called a Pseudorandom Number (or Bit) Generator.

MWE

Classifications

per-axis with provenance

Entity Type

Capability0%rule-basedmulti_axis_classifier_low_confidence.v1

Sensitivity

Regulated90%llm-generatedllm:claude-haiku-4-5

Information Class

—50%llm-generatedllm:claude-haiku-4-5

Variants

4 surface forms

acronym: DRBG
plural: Deterministic Random Bit Generators
possessive: Deterministic Random Bit Generator's
pluralpossessive: Deterministic Random Bit Generators'

Framework definitions

2 senses across 2 frameworks

NISTIR 7298: Glossary of Key Information Security Terms, Revision 21 senseview framework →

§1: A Random Bit Generator (RBG) that includes a DRBG mechanism and (at least initially) has access to a source of entropy input. The DRBG produces a sequence of bits from a secret initial value called a seed, along with other possible inputs. A DRBG is often called a Pseudorandom Number (or Bit) Generator. Source of entropy input. The DRBG produces a sequence of bits from a secret initial value called a seed, along with other possible inputs. A DRBG is often called a Pseudorandom Number (or Bit) Generator.

NIST SP 800-90A1 senseview framework →

§1: A Random Bit Generator (RBG) that includes a DRBG mechanism and (at least initially) has access to a source of entropy input. The DRBG produces a sequence of bits from a secret initial value called a seed, along with other possible inputs. A DRBG is often called a Pseudorandom Number (or Bit) Generator. Source of entropy input. The DRBG produces a sequence of bits from a secret initial value called a seed, along with other possible inputs. A DRBG is often called a Pseudorandom Number (or Bit) Generator.

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