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MD4

obsolete cryptographic hash function
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MD4

Summary

MD4 is a cryptographic hash function[1]. MD4 draws 318 Wikipedia views per month (cryptographic_hash_function category, ranking #5 of 30).[2]

Key Facts

  • MD4 is credited with the discovery of Ron Rivest[3].
  • MD4's instance of is recorded as cryptographic hash function[4].
  • MD4 followed MD2[5].
  • MD4 was followed by MD5[6].
  • 1990 marks the founding of MD4[7].
  • MD4's described by source is recorded as RFC 1186: MD4 Message Digest Algorithm[8].
  • MD4's described by source is recorded as RFC 1320: The MD4 Message-Digest Algorithm[9].
  • MD4's described by source is recorded as RFC 6150: MD4 to Historic Status[10].

Body

Designation and Status

MD4's instance of is recorded as cryptographic hash function[4].

History and Context

1990 marks the founding of MD4[7].

Why It Matters

MD4 draws 318 Wikipedia views per month (cryptographic_hash_function category, ranking #5 of 30).[2] MD4 has Wikipedia articles in 15 language editions, a strong signal of global cultural recognition.[11] MD4 is known by 9 alternative names across languages and contexts.[12]

Related Entities

cryptographic hash function MD2 MD5 RIPEMD-128 RIPEMD-160 RIPEMD-256 Ron Rivest

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [4] ↑ . wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [11] ↑ . Wikidata sitelinks. wikidata.org.
  3. [12] ↑ . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). MD4. Retrieved October 6, 2026, from https://4ort.xyz/entity/md4
MLA “MD4.” 4ort.xyz Knowledge Graph, 4ort.xyz, 6 Oct. 2026, https://4ort.xyz/entity/md4.
BibTeX @misc{4ortxyz_md4_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{MD4}}, year = {2026}, url = {https://4ort.xyz/entity/md4}, note = {Accessed: 2026-10-06}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): MD4 — https://4ort.xyz/entity/md4 (retrieved 2026-10-06)

Canonical URL: https://4ort.xyz/entity/md4 · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 29d ago · VGMaintenanceBot bot · 2026-09-07 view diff on Wikidata ↗
    Microsoft academic id (discontinued) → —
    Freebase id → —
    Discoverer or inventor → —
    Instance of → cryptographic hash function
    + 19 other properties edited (see Wikidata diff for full list)
    "/* wbsetqualifier-add:1| */ [[Property:P9675]]: 3469, Add qualifier to File Format Wiki page ID `MD4`"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.