Length extension attack

en

WikiRank.net
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Length extension attack

Quality:

Length extension attack - attack against cryptographical hash functions, where knowing Hash(message₁) and the length of message₁ allows an attacker to calculate Hash(message₁ ‖ message₂) for an attacker-controlled message₂. Article “Length extension attack” in English Wikipedia has 20 points for quality (as of July 1, 2025). The article contains 9 references and 4 sections.

In this language version of Wikipedia the article has the best quality. Also, this article is the most popular in that (English) language version.

Since the creation of article “Length extension attack”, its content was written by 53 registered users of English Wikipedia and edited by 82 registered Wikipedia users in all languages.

The article is cited 117 times in English Wikipedia and cited 211 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (English): #33500 in September 2012
  • Global: #190769 in September 2012

The highest popularity rank from 2008:

  • Local (English): #175641 in December 2017
  • Global: #283142 in December 2017

There are 5 language versions for this article in the WikiRank database (of the considered 55 Wikipedia language editions).

The quality and popularity assessment was based on Wikipédia dumps from July 1, 2025 (including revision history and pageviews for previous years).

The table below shows the language versions of the article with the highest quality.

Languages with the highest quality

#LanguageQuality gradeQuality score
1English (en)
Length extension attack
19.9722
2Chinese (zh)
长度扩展攻击
19.4558
3Russian (ru)
Атака удлинением сообщения
19.2073
4French (fr)
Attaque par extension de longueur
13.4029
5Italian (it)
Attacco di estensione della lunghezza
1.0204
More...

The following table shows the most popular language versions of the article.

Most popular in all the time

The most popular language versions of the article "Length extension attack" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Length extension attack
543 049
2Chinese (zh)
长度扩展攻击
27 080
3Russian (ru)
Атака удлинением сообщения
20 165
4French (fr)
Attaque par extension de longueur
2 417
5Italian (it)
Attacco di estensione della lunghezza
1 357
More...

The following table shows the language versions of the article with the highest popularity in the last month.

Most popular in June 2025

The most popular language versions of the article "Length extension attack" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
Length extension attack
3 199
2Chinese (zh)
长度扩展攻击
85
3Russian (ru)
Атака удлинением сообщения
81
4French (fr)
Attaque par extension de longueur
44
5Italian (it)
Attacco di estensione della lunghezza
16
More...

The following table shows the language versions of the article with the highest Authors’ Interest.

The highest AI

Language versions of the article "Length extension attack" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
Length extension attack
53
2Chinese (zh)
长度扩展攻击
12
3French (fr)
Attaque par extension de longueur
7
4Italian (it)
Attacco di estensione della lunghezza
5
5Russian (ru)
Атака удлинением сообщения
5
More...

The following table shows the language versions of the article with the highest Authors’ Interest in the last month.

The highest AI in June 2025

Language versions of the article "Length extension attack" with the highest AI in June 2025
#LanguageAI awardRelative AI
1English (en)
Length extension attack
0
2French (fr)
Attaque par extension de longueur
0
3Italian (it)
Attacco di estensione della lunghezza
0
4Russian (ru)
Атака удлинением сообщения
0
5Chinese (zh)
长度扩展攻击
0
More...

The following table shows the language versions of the article with the highest number of citations.

The highest CI

Language versions of the article "Length extension attack" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1English (en)
Length extension attack
117
2French (fr)
Attaque par extension de longueur
51
3Chinese (zh)
长度扩展攻击
35
4Russian (ru)
Атака удлинением сообщения
6
5Italian (it)
Attacco di estensione della lunghezza
2
More...

Scores

Estimated value for Wikipedia:
English:
Global:
Popularity in June 2025:
English:
Global:
Popularity in all years:
English:
Global:
Authors in June 2025:
English:
Global:
Registered authors in all years:
English:
Global:
Citations:
English:
Global:

Quality measures

Interwikis

#LanguageValue
enEnglish
Length extension attack
frFrench
Attaque par extension de longueur
itItalian
Attacco di estensione della lunghezza
ruRussian
Атака удлинением сообщения
zhChinese
长度扩展攻击

Popularity rank trends

Best Rank English:
#175641
12.2017
Global:
#283142
12.2017

AI rank trends

Best Rank English:
#33500
09.2012
Global:
#190769
09.2012

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on Length extension attack from Wikipedia articles about SHA-2, HMAC, SHA hash functions, SHA-1 and SHA-3. Whereas reading the article about Length extension attack people most often go to Wikipedia articles on SHA-2, Merkle–Damgård construction, HMAC, Message authentication code and SHA-3.

Cumulative results of quality and popularity of the Wikipedia article

List of Wikipedia articles in different languages (starting with the most popular):

News from 10 February 2026

On 10 February 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: Jeffrey Epstein, Ghislaine Maxwell, Ilia Malinin, Bad Bunny, 2026 Winter Olympics, Epstein files, Jutta Leerdam, Jake Paul, Puerto Rico, Little Saint James.

In English Wikipedia the most popular articles on that day were: Bad Bunny, Jeffrey Epstein, Epstein files, Ilia Malinin, Savannah Guthrie, Ghislaine Maxwell, 2026 Winter Olympics, List of Super Bowl halftime shows, Eileen Gu, Jutta Leerdam.

About WikiRank

The WikiRank project is intended for automatic relative evaluation of the articles in the various language versions of Wikipedia. At the moment the service allows to compare over 44 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2025. When calculating current popularity and AI of articles data from June 2025 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2025... More information