Rijndael

E171102

block cipher encryption algorithm symmetric-key algorithm

Rijndael is a symmetric block cipher designed by Joan Daemen and Vincent Rijmen that was selected by NIST as the basis for the Advanced Encryption Standard (AES).

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All labels observed (4)

Label	Occurrences
Rijndael cipher	5
Rijndael canonical	4
AES	2
AES designers Joan Daemen and Vincent Rijmen	1

How this entity was disambiguated

This entity first appeared as the object of triple T1500507 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Rijndael
Context triple: [Advanced Encryption Standard, basedOnAlgorithm, Rijndael]

A. Advanced Encryption Standard
Advanced Encryption Standard is a widely used symmetric block cipher standard that secures digital data in applications ranging from wireless networks to government communications.
B. Salsa20
Salsa20 is a high-speed stream cipher designed by Daniel J. Bernstein, widely used in modern cryptography for its strong security and efficient software performance.
C. RC5
RC5 is a symmetric-key block cipher designed by cryptographer Ronald L. Rivest, known for its simplicity, parameter flexibility, and use in various encryption applications.
D. RC6
RC6 is a symmetric block cipher designed as a candidate for the Advanced Encryption Standard (AES), known for its simplicity, efficiency, and parameterized structure.
E. RC2
RC2 is a symmetric-key block cipher designed by cryptographer Ronald L. Rivest and widely used in early Internet security applications.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Rijndael
Target entity description: Rijndael is a symmetric block cipher designed by Joan Daemen and Vincent Rijmen that was selected by NIST as the basis for the Advanced Encryption Standard (AES).

A. Advanced Encryption Standard
Advanced Encryption Standard is a widely used symmetric block cipher standard that secures digital data in applications ranging from wireless networks to government communications.
B. Salsa20
Salsa20 is a high-speed stream cipher designed by Daniel J. Bernstein, widely used in modern cryptography for its strong security and efficient software performance.
C. RC5
RC5 is a symmetric-key block cipher designed by cryptographer Ronald L. Rivest, known for its simplicity, parameter flexibility, and use in various encryption applications.
D. RC6
RC6 is a symmetric block cipher designed as a candidate for the Advanced Encryption Standard (AES), known for its simplicity, efficiency, and parameterized structure.
E. RC2
RC2 is a symmetric-key block cipher designed by cryptographer Ronald L. Rivest and widely used in early Internet security applications.
F. None of above. chosen

Statements (46)

Predicate	Object
instanceOf	block cipher ⓘ encryption algorithm ⓘ symmetric-key algorithm ⓘ
AESBlockSize	128 bits ⓘ
AESKeySize	128 bits ⓘ 192 bits ⓘ 256 bits ⓘ
application	data encryption ⓘ disk encryption ⓘ network security ⓘ
blockCipherType	Substitution–permutation network ⓘ
countryOfOrigin	Belgium ⓘ
designedFor	efficiency in hardware ⓘ efficiency in software ⓘ
designer	Joan Daemen ⓘ Vincent Rijmen ⓘ
keyType	symmetric key ⓘ
namedAfter	Joan Daemen ⓘ Vincent Rijmen ⓘ
predecessorOf	Advanced Encryption Standard ⓘ surface form: AES-128 Advanced Encryption Standard ⓘ surface form: AES-192 Advanced Encryption Standard ⓘ surface form: AES-256
publicationDecade	1990s ⓘ
relatedTo	Square cipher ⓘ Whirlpool hash function ⓘ
roundStructure	multiple rounds with SubBytes, ShiftRows, MixColumns, AddRoundKey ⓘ
securityStatus	no practical attacks on full AES parameters known (as of 2024) ⓘ
selectedAsBasisFor	Advanced Encryption Standard ⓘ surface form: AES Advanced Encryption Standard ⓘ
selectionBy	National Institute of Standards and Technology ⓘ surface form: NIST
selectionProgram	AES competition ⓘ
selectionYear	2000 ⓘ
standardizationBody	NIST (for AES subset) ⓘ
standardizedAs	Advanced Encryption Standard ⓘ surface form: FIPS 197 (AES subset)
supportsBlockSize	128 bits ⓘ 160 bits ⓘ 192 bits ⓘ 224 bits ⓘ 256 bits ⓘ
supportsKeySize	128 bits ⓘ 160 bits ⓘ 192 bits ⓘ 224 bits ⓘ 256 bits ⓘ
usesFiniteField	GF(p^m) ⓘ surface form: GF(2^8)
usesSBox	yes ⓘ

How these facts were elicited

Referenced by (12)

Full triples — surface form annotated when it differs from this entity's canonical label.

Advanced Encryption Standard → basedOnAlgorithm → Rijndael ⓘ

RC6 → competedWith → Rijndael ⓘ

Substitution–permutation network → usedIn → Rijndael ⓘ