Ed25519 class

Pure Dart implementation of Ed25519 elliptic curve.

Ed25519 is defined in RFC 8032 and is used by Solana, Polkadot, and other modern blockchains for digital signatures.

This implementation follows the specification exactly and passes all RFC 8032 test vectors.

Implemented types

• CurveInterface

Constructors

Ed25519()

Properties

curveName → String

Gets the curve name.

no setter, override

hashCode → int

The hash code for this object.

no setter, inherited

privateKeyLength → int

Gets the expected private key length in bytes.

no setter, override

publicKeyLength → int

Gets the expected public key length in bytes.

no setter, override

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

signatureLength → int

Gets the expected signature length in bytes.

no setter, override

Methods

getPublicKey(Uint8List privateKey) → Uint8List

Derives the public key from a private key.

override

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

sign(Uint8List messageHash, Uint8List privateKey) → Uint8List

Signs a message hash with the given private key.

override

toString() → String

A string representation of this object.

inherited

verify(Uint8List signature, Uint8List messageHash, Uint8List publicKey) → bool

Verifies a signature against a message hash and public key.

override

Operators

operator ==(Object other) → bool

The equality operator.

inherited

Static Methods

derivePublicKey(Uint8List privateKey) → Uint8List

Derives the Ed25519 public key from a 32-byte private key.

generateKeyPair() → Ed25519KeyPair

Generates a new Ed25519 key pair.

isOnCurve(Uint8List bytes) → bool

Checks if the provided point bytes lie on the Ed25519 curve.