ox/dist/webauthn/internal/utils.d.ts

Ethereum Standard Library

import type * as Types from '../Types.js';
/** @internal */
export declare const base64UrlOptions: {
    readonly url: true;
    readonly pad: false;
};
/** @internal */
export declare const responseKeys: readonly ["attestationObject", "authenticatorData", "clientDataJSON", "signature", "userHandle"];
/** @internal */
export declare function bytesToArrayBuffer(bytes: Uint8Array): ArrayBuffer;
/** @internal */
export declare function bufferSourceToBytes(source: Types.BufferSource): Uint8Array;
/**
 * Parsed authenticator data per W3C WebAuthn Level 2 §6.1.
 *
 * @internal
 */
export type ParsedAuthenticatorData = {
    /** Raw authenticator data bytes (zero-copy view). */
    bytes: Uint8Array;
    /** SHA-256 hash of the relying party ID (32 bytes). */
    rpIdHash: Uint8Array;
    /** Authenticator flags byte. */
    flags: number;
    /** User Present flag. */
    up: boolean;
    /** User Verified flag. */
    uv: boolean;
    /** Backup Eligibility flag. */
    be: boolean;
    /** Backup State flag. */
    bs: boolean;
    /** Attested credential data flag. */
    at: boolean;
    /** Extension data flag. */
    ed: boolean;
    /** Signature counter (4-byte big-endian). */
    signCount: number;
};
/**
 * Parses the fixed 37-byte header of authenticator data into rpIdHash, flags
 * and signature counter. Variable-length tail (attested credential data,
 * extensions) is the caller's responsibility.
 *
 * @internal
 */
export declare function parseAuthenticatorData(authenticatorData: Uint8Array): ParsedAuthenticatorData | undefined;
/**
 * Serializes the response fields of a WebAuthn `AuthenticatorResponse`-like
 * object into a base64url-encoded record. Falls back to getter methods
 * (e.g. `getAuthenticatorData()`) for browsers and passkey providers that
 * expose response fields only via getters.
 *
 * @internal
 */
export declare function serializeResponseFields(response: Record<string, unknown>): Record<string, string>;
/** @internal */
export declare function serializeExtensions(extensions: Types.AuthenticationExtensionsClientInputs): Types.AuthenticationExtensionsClientInputs<true>;
/** @internal */
export declare function deserializeExtensions(extensions: Types.AuthenticationExtensionsClientInputs<true>): Types.AuthenticationExtensionsClientInputs;
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