webauthn-model/dev.webauthn.model/WebAuthnExtension

WebAuthnExtension

sealed interface WebAuthnExtension

Represents a standard or proprietary extension defined in the W3C WebAuthn specification (or IANA registry).

This provides a single source of truth for protocol extension identifiers, mapping strongly to both client capabilities and execution hooks.

Inheritors

Types

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object Companion

Companion utilities for standard extension aliases and identifier-based lookup.

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data class Custom(val key: String) : WebAuthnExtension

Fallback for proprietary, draft, or unrecognized extensions not yet modeled in the core.

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enum Standard : WebAuthnExtension, Enum<WebAuthnExtension.Standard>

Standardized W3C WebAuthn extension identifiers.

Properties

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abstract val identifier: String
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