Twisted Edwards curve

E831082

A Twisted Edwards curve is a type of elliptic curve with a specific algebraic form that enables especially fast and secure implementations of cryptographic operations such as digital signatures and key exchange.

All labels observed (4)

How this entity was disambiguated

Statements (47)

Predicate Object
instanceOf algebraic curve
elliptic curve
advantage high performance in hardware
high performance in software
resistance to certain side-channel attacks
simple and unified addition formulas
appliedIn TLS
cryptographic libraries
secure messaging protocols
definedOver field
enables constant-time implementations
efficient point addition
efficient point doubling
fast elliptic curve scalar multiplication
groupLawIs complete addition law under certain parameter conditions
hasGeneralEquation ax^2 + y^2 = 1 + dx^2y^2
hasNeutralElement (0,1)
hasParameter a
d
hasProperty can be defined over binary fields
can be defined over extension fields
can be defined over prime fields
forms an abelian group with respect to point addition
often admits complete addition formulas
suitable for high-security parameter sizes
supports unified addition and doubling formulas
hasSpecialCase Edwards curve
complete Edwards curve
isBirationallyEquivalentTo Montgomery curve
linked to: Montgomery curves

Weierstrass elliptic curve
linked to: Weierstrass form
isGeneralizationOf Edwards curve
relatedTo Curve25519
Curve448
Ed25519
Ed448
requiresConditionOnParameter a ≠ 0
a ≠ d
d ≠ 0
studiedIn computational number theory
elliptic curve cryptography
supportsGroupLaw elliptic curve group law
usedIn Diffie–Hellman key exchange
EdDSA
Elliptic Curve Diffie–Hellman
digital signatures
key exchange
public-key cryptography

How these facts were elicited

Referenced by (4)

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

Ed25519 basedOn Twisted Edwards curve
EdDSA fullName Edwards-curve Digital Signature Algorithm
linked to: Twisted Edwards curve
EdDSA usesCurveType twisted Edwards curves
linked to: Twisted Edwards curve
EdDSA curveForEd25519 Curve25519 in Edwards form
linked to: Twisted Edwards curve