RFC 5639
E831076
RFC 5639 is an IETF standard document that specifies the Brainpool family of elliptic curves for use in cryptographic applications.
All labels observed (1)
| Label | Occurrences |
|---|---|
| RFC 5639 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9931884 — 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: RFC 5639 Context triple: [brainpool curves, standardizedIn, RFC 5639]
-
A.
RFC 5996
RFC 5996 is an Internet Engineering Task Force (IETF) standard that specifies the Internet Key Exchange Protocol version 2 (IKEv2) for establishing secure IPsec connections.
-
B.
RFC 6189
RFC 6189 is the Internet Engineering Task Force (IETF) standard that defines the ZRTP protocol for secure key agreement in Voice over IP communications.
-
C.
RFC 5906
RFC 5906 is an Internet Engineering Task Force (IETF) standard that specifies Network Time Protocol (NTP) authentication using Autokey public key cryptography.
-
D.
RFC 9293
RFC 9293 is the modern Internet standards document that consolidates and updates the core specification of the Transmission Control Protocol (TCP), replacing the original TCP specification defined in RFC 793.
-
E.
RFC 7539
RFC 7539 is an IETF standard that specifies the ChaCha20 stream cipher and the Poly1305 message authentication code for use in secure Internet protocols.
- 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: RFC 5639 Target entity description: RFC 5639 is an IETF standard document that specifies the Brainpool family of elliptic curves for use in cryptographic applications.
-
A.
RFC 5996
RFC 5996 is an Internet Engineering Task Force (IETF) standard that specifies the Internet Key Exchange Protocol version 2 (IKEv2) for establishing secure IPsec connections.
-
B.
RFC 6189
RFC 6189 is the Internet Engineering Task Force (IETF) standard that defines the ZRTP protocol for secure key agreement in Voice over IP communications.
-
C.
RFC 5906
RFC 5906 is an Internet Engineering Task Force (IETF) standard that specifies Network Time Protocol (NTP) authentication using Autokey public key cryptography.
-
D.
RFC 9293
RFC 9293 is the modern Internet standards document that consolidates and updates the core specification of the Transmission Control Protocol (TCP), replacing the original TCP specification defined in RFC 793.
-
E.
RFC 7539
RFC 7539 is an IETF standard that specifies the ChaCha20 stream cipher and the Poly1305 message authentication code for use in secure Internet protocols.
- F. None of above. chosen
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf |
IETF Request for Comments
ⓘ
technical standard ⓘ |
| applicableTo |
IPsec
ⓘ
S/MIME ⓘ TLS ⓘ digital signatures ⓘ key establishment ⓘ |
| area | Security ⓘ |
| category | Informational ⓘ |
| curveFamilyName |
Brainpool
ⓘ
linked to:
brainpool curves
|
| curveType | prime field elliptic curves ⓘ |
| defines |
Brainpool elliptic curves
ⓘ
linked to:
brainpool curves
ECC Brainpool standard curves ⓘ
linked to:
brainpool curves
curve generation procedure for Brainpool curves ⓘ |
| definesFieldSizes |
160-bit
ⓘ
192-bit ⓘ 224-bit ⓘ 256-bit ⓘ 320-bit ⓘ 384-bit ⓘ 512-bit ⓘ |
| designProperty |
resistance to known attacks on elliptic curves
ⓘ
verifiably pseudo-random curve parameters ⓘ |
| focusesOn | elliptic curve cryptography ⓘ |
| language | English ⓘ |
| obsoletedBy | none ⓘ |
| obsoletes | none ⓘ |
| publishedBy |
IETF
ⓘ
linked to:
Internet Engineering Task Force
Internet Engineering Task Force ⓘ |
| rfcNumber | 5639 ⓘ |
| securityGoal | high-security elliptic curves ⓘ |
| specifiesForUseIn |
cryptographic applications
ⓘ
elliptic curve cryptography ⓘ |
| standardizes |
Brainpool P-160r1
ⓘ
linked to:
brainpool curves
Brainpool P-160t1 ⓘ
linked to:
brainpool curves
Brainpool P-192r1 ⓘ
linked to:
brainpool curves
Brainpool P-192t1 ⓘ
linked to:
brainpool curves
Brainpool P-224r1 ⓘ
linked to:
brainpool curves
Brainpool P-224t1 ⓘ
linked to:
brainpool curves
Brainpool P-256r1 ⓘ
linked to:
brainpool curves
Brainpool P-256t1 ⓘ
linked to:
brainpool curves
Brainpool P-320r1 ⓘ
linked to:
brainpool curves
Brainpool P-320t1 ⓘ
linked to:
brainpool curves
Brainpool P-384r1 ⓘ
linked to:
brainpool curves
Brainpool P-384t1 ⓘ
linked to:
brainpool curves
Brainpool P-512r1 ⓘ
linked to:
brainpool curves
Brainpool P-512t1 ⓘ
linked to:
brainpool curves
|
| status | Informational RFC ⓘ |
| stream |
IETF
ⓘ
linked to:
Internet Engineering Task Force
|
| title | Elliptic Curve Cryptography (ECC) Brainpool Standard Curves and Curve Generation ⓘ |
| workingGroup | independent submission ⓘ |
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: RFC 5639 Description of subject: RFC 5639 is an IETF standard document that specifies the Brainpool family of elliptic curves for use in cryptographic applications.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.