RC6
E116319
RC6 is a symmetric block cipher designed as a candidate for the Advanced Encryption Standard (AES), known for its simplicity, efficiency, and parameterized structure.
All labels observed (2)
| Label | Occurrences |
|---|---|
| RC6 canonical | 3 |
| RC6 block cipher | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T963996 — 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: RC6 Context triple: [Ronald L. Rivest, notableWork, RC6]
-
A.
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.
-
B.
RC2
RC2 is a symmetric-key block cipher designed by cryptographer Ronald L. Rivest and widely used in early Internet security applications.
-
C.
RC4 stream cipher
The RC4 stream cipher is a once-widely used symmetric key algorithm known for its simplicity and speed in software, but now considered insecure due to multiple discovered vulnerabilities.
-
D.
Spritz cipher
Spritz cipher is a modern stream cipher and hash function designed by Ronald Rivest and Jacob Schuldt as a more secure and flexible successor to RC4.
-
E.
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.
- 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: RC6 Target entity description: RC6 is a symmetric block cipher designed as a candidate for the Advanced Encryption Standard (AES), known for its simplicity, efficiency, and parameterized structure.
-
A.
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.
-
B.
RC2
RC2 is a symmetric-key block cipher designed by cryptographer Ronald L. Rivest and widely used in early Internet security applications.
-
C.
RC4 stream cipher
The RC4 stream cipher is a once-widely used symmetric key algorithm known for its simplicity and speed in software, but now considered insecure due to multiple discovered vulnerabilities.
-
D.
Spritz cipher
Spritz cipher is a modern stream cipher and hash function designed by Ronald Rivest and Jacob Schuldt as a more secure and flexible successor to RC4.
-
E.
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.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
Feistel-like cipher
ⓘ
block cipher ⓘ symmetric-key algorithm ⓘ |
| basedOn | RC5 ⓘ |
| blockSize | 128 bits ⓘ |
| cipherType | iterated cipher ⓘ |
| competedWith |
MARS
ⓘ
Rijndael ⓘ World Serpent ⓘ
surface form:
Serpent
Twofish ⓘ |
| defaultKeyBytes | 16 bytes ⓘ |
| defaultParameterSet | RC6-32/20/16 ⓘ |
| defaultRounds | 20 ⓘ |
| defaultWordSize | 32 bits ⓘ |
| designedBy |
Matt Robshaw
ⓘ
Ray Sidney ⓘ Ronald L. Rivest ⓘ
surface form:
Ron Rivest
Yiqun Lisa Yin ⓘ |
| designedFor |
Advanced Encryption Standard competition
ⓘ
high performance on 32-bit processors ⓘ simplicity of implementation ⓘ software efficiency ⓘ |
| designedToResist |
differential cryptanalysis
ⓘ
linear cryptanalysis ⓘ |
| developedBy |
RSA Security
ⓘ
surface form:
RSA Laboratories
|
| encryptionMode | private-key encryption ⓘ |
| improvesOn | RC5 ⓘ |
| keyScheduleType | expanded key table ⓘ |
| notation | RC6-w/r/b ⓘ |
| parameterizedBy |
key size
ⓘ
number of rounds ⓘ word size ⓘ |
| patentHolder | RSA Security ⓘ |
| patentStatus | patented ⓘ |
| rounds | 20 ⓘ |
| securityGoal | confidentiality ⓘ |
| standardizationStatus | not selected as AES ⓘ |
| structure | four-word register-based structure ⓘ |
| submittedTo |
Advanced Encryption Standard
ⓘ
surface form:
NIST AES competition
|
| supportsBlockSize | 128 bits ⓘ |
| supportsKeySize |
128 bits
ⓘ
192 bits ⓘ 256 bits ⓘ |
| usesKeyScheduleFrom | RC5-like key schedule ⓘ |
| usesOperation |
bitwise XOR
ⓘ
data-dependent rotations ⓘ integer addition modulo 2^w ⓘ |
| wordSize | 32 bits ⓘ |
| yearIntroduced | 1998 ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: RC6 Description of subject: RC6 is a symmetric block cipher designed as a candidate for the Advanced Encryption Standard (AES), known for its simplicity, efficiency, and parameterized structure.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
RC6 block cipher