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List of cryptosystems

Wikimedia list article

Cross-disciplinary reference desk with index cards, atlas, dictionary and catalogue
General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionApr 15, 2026
Entity authorityQ109536148 ↗
Source-derived summary

A cryptosystem is a set of cryptographic algorithms that map ciphertexts and plaintexts to each other.

Private-key cryptosystems

Private-key cryptosystems use the same key for encryption and decryption.

Caesar cipher

Substitution cipher

Enigma machine

Data Encryption Standard

Twofish

Serpent

Camellia

Salsa20

ChaCha20

Blowfish

CAST5

Kuznyechik

RC4

3DES

Skipjack

Safer

IDEA

Advanced Encryption Standard, also known as AES and Rijndael.

Public-key cryptosystems

Public-key cryptosystems use a public key for encryption and a private key for decryption.

Editorial summary

The public source identifies “List of cryptosystems” as wikimedia list article. This brief keeps that definition visible, then builds a research path around List, cryptosystems and Wikimedia.

Editorial reviewA practical starting point whose main value is the path it opens into stronger specialist and primary sources. The current 75-word lead offers orientation but no explicit four-digit date, so chronology should not be assumed. The selected authority fields contribute no independent date. Its value is orientation rather than verdict, with List, cryptosystems and Wikimedia providing the first useful test.
Editorial analysis

Why this record matters

A short description can identify a subject without explaining its stakes. For “List of cryptosystems”, the useful work is to connect “wikimedia list article” to the records capable of establishing context and consequence.

Evidence profile

Named sources, stable identifiers and responsible institutions provide the strongest route from overview to verifiable evidence. The source revision retrieved here is dated Apr 15, 2026. The linked authority identifier is Q109536148. None of the 0 selected statements returned an explicit reference.

Critical limits

Overview language is designed for orientation and should not be treated as a substitute for the evidence cited beneath it. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

How to read it

Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.

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The closest primary source, responsible institution and strongest cited specialist reference.

Three-step research path

  1. Establish the record: confirm the title “List of cryptosystems”, its source revision and the description used here.
  2. Expand the search: follow List of cryptosystems primary sources, List of cryptosystems archive and List research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

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Source & attribution

This entry incorporates text from “List of cryptosystems” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.