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Deterministic Random Bit Generator

Term · Cybersecurity · MLC-T-CYB-001338

1. An RBG that includes a DRBG mechanism and (at least initially) has access to a randomness source. 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. Contrast with NRBG.

2. An 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.

3. See Deterministic random bit generator (DRBG).

4. See Deterministic Random Bit Generator.

5. A random bit generator that includes a DRBG algorithm and (at least initially) has access to a source of randomness. The DRBG produces a sequence of bits from a secret initial value called a seed, along with other possible inputs. A cryptographic DRBG has the additional property that the output is unpredictable, given that the seed is not known. A DRBG is sometimes also called a Pseudo-random Number Generator (PRNG) or a deterministic random number generator.

6. A random bit generator that includes a DRBG algorithm and (at least initially) has access to a source of randomness. The DRBG produces a sequence of bits from a secret initial value called a seed. A cryptographic DRBG has the additional property that the output is unpredictable given that the seed is not known. A DRBG is sometimes also called a pseudo-random number generator (PRNG) or a deterministic random number generator.

7. An algorithm that produces a sequence of bits that are uniquely determined from an initial value called a seed. The output of the DRBG “appears” to be random, i.e., the output is statistically indistinguishable from random values. A cryptographic DRBG has the additional property that the output is unpredictable, given that the seed is not known. A DRBG is sometimes also called a Pseudo Random Number Generator (PRNG) or a deterministic random number generator.

Table 1. Record
IdentifierMLC-T-CYB-001338
FieldCybersecurity
AbbreviationDRBG; NRBG
SynonymsDeterministic random bit generator (DRBG); deterministic random number generator; Pseudorandom Number Generator; Pseudorandom number generator (PRNG); Pseudo-random Number Generator (PRNG)
ReferencesNIST SP 800-90A Rev. 1; NIST SP 800-90B; NIST SP 800-57 Part 1 Rev. 4 [Superseded]; NIST SP 800-57 Part 1 Rev. 5; NIST SP 800-57 Part 1 Rev. 3 [Superseded]; NIST SP 800-57 Part 1 Rev. 4 [Superseded]; NIST SP 800-57 Part 1 Rev. 5; NIST SP 800-57 Part 1 Rev. 3 [Superseded]; NIST CSRC Glossary
See alsoDeterministic Algorithm; NRBG
Record as JSON 
{
  "id": "MLC-T-CYB-001338",
  "term": "Deterministic Random Bit Generator",
  "field": "Cybersecurity",
  "definition": "1. An RBG that includes a DRBG mechanism and (at least initially) has access to a randomness source. 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. Contrast with NRBG.\n\n2. An 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.\n\n3. See Deterministic random bit generator (DRBG).\n\n4. See Deterministic Random Bit Generator.\n\n5. A random bit generator that includes a DRBG algorithm and (at least initially) has access to a source of randomness. The DRBG produces a sequence of bits from a secret initial value called a seed, along with other possible inputs. A cryptographic DRBG has the additional property that the output is unpredictable, given that the seed is not known. A DRBG is sometimes also called a Pseudo-random Number Generator (PRNG) or a deterministic random number generator.\n\n6. A random bit generator that includes a DRBG algorithm and (at least initially) has access to a source of randomness. The DRBG produces a sequence of bits from a secret initial value called a seed. A cryptographic DRBG has the additional property that the output is unpredictable given that the seed is not known. A DRBG is sometimes also called a pseudo-random number generator (PRNG) or a deterministic random number generator.\n\n7. An algorithm that produces a sequence of bits that are uniquely determined from an initial value called a seed. The output of the DRBG “appears” to be random, i.e., the output is statistically indistinguishable from random values. A cryptographic DRBG has the additional property that the output is unpredictable, given that the seed is not known. A DRBG is sometimes also called a Pseudo Random Number Generator (PRNG) or a deterministic random number generator.",
  "abbreviation": [
    "DRBG",
    "NRBG"
  ],
  "synonyms": [
    "Deterministic random bit generator (DRBG)",
    "deterministic random number generator",
    "Pseudorandom Number Generator",
    "Pseudorandom number generator (PRNG)",
    "Pseudo-random Number Generator (PRNG)"
  ],
  "see_also": [
    "Deterministic Algorithm",
    "NRBG"
  ],
  "references": [
    "NIST SP 800-90A Rev. 1",
    "NIST SP 800-90B",
    "NIST SP 800-57 Part 1 Rev. 4 [Superseded]; NIST SP 800-57 Part 1 Rev. 5; NIST SP 800-57 Part 1 Rev. 3 [Superseded]",
    "NIST SP 800-57 Part 1 Rev. 4 [Superseded]",
    "NIST SP 800-57 Part 1 Rev. 5",
    "NIST SP 800-57 Part 1 Rev. 3 [Superseded]",
    "NIST CSRC Glossary"
  ],
  "url": "https://mlchart.com/terminology/cybersecurity/deterministic-random-bit-generator/"
}

Record 1,338 of 4,693 in Cybersecurity terminology (MLC-0102). Request the full dataset.