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SHA-1

individual cryptographic hash function with output size of 160 bits
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SHA-1

Summary

SHA-1 is a SHA hash functions[1]. SHA-1 has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.[2]

Key Facts

  • SHA-1 is credited with the discovery of National Security Agency[3].
  • SHA-1's instance of is recorded as SHA hash functions[4].
  • SHA-1 followed SHA-0[5].
  • SHA-1 was followed by SHA-2[6].
  • 1995 marks the founding of SHA-1[7].
  • SHA-1's described by source is recorded as Q47476577[8].
  • SHA-1's described by source is recorded as RFC 6194: Security Considerations for the SHA-0 and SHA-1 Message-Digest Algorithms[9].
  • SHA-1's Stack Exchange tag is recorded as https://stackoverflow.com/tags/sha1[10].

Body

Definition and Type

SHA-1's instance of is recorded as SHA hash functions[4].

Origins

1995 marks the founding of SHA-1[7].

Why It Matters

SHA-1 has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.[2] SHA-1 is known by 10 alternative names across languages and contexts.[11]

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] ↑ . Wikidata sitelinks. wikidata.org.
  2. [11] ↑ . 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). SHA-1. Retrieved October 2, 2026, from https://4ort.xyz/entity/sha-1
MLA “SHA-1.” 4ort.xyz Knowledge Graph, 4ort.xyz, 2 Oct. 2026, https://4ort.xyz/entity/sha-1.
BibTeX @misc{4ortxyz_sha-1_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{SHA-1}}, year = {2026}, url = {https://4ort.xyz/entity/sha-1}, note = {Accessed: 2026-10-02}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): SHA-1 — https://4ort.xyz/entity/sha-1 (retrieved 2026-10-02)

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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. 25d ago · VGMaintenanceBot bot · 2026-09-08 view diff on Wikidata ↗
    Wikidata description → individual cryptographic hash function with output size of 160 bits
    Imported from → —
    Instance of → SHA hash functions
    Rosetta code page id → SHA-1
    + 15 other properties edited (see Wikidata diff for full list)
    "/* wbsetqualifier-add:1| */ [[Property:P9675]]: 8381, Add qualifier to Rosetta Code page ID `SHA-1`"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.