CallbackC2paSigner class final

C2paSigner adapter backed by a C2paSignCallback.

Implemented types

• C2paReservedSizeSigner

Constructors

CallbackC2paSigner({required String algorithm, required C2paSignCallback callback, int reservedSignatureSize = 0})

Creates a callback-backed signer.

const

Properties

algorithm → String

Signature algorithm name passed through to C2PA metadata.

final

callback → C2paSignCallback

Callback invoked by sign.

final

hashCode → int

The hash code for this object.

no setter, inherited

reservedSignatureSize → int

Reserved signature size in bytes for placeholder workflows.

final

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

sign(Uint8List data) → Future<Uint8List>

Signs data and returns the raw signature bytes.

override

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited