/**
 * @packageDocumentation
 *
 * This is an implementation of the [Peer ID Auth](https://github.com/libp2p/specs/blob/master/http/peer-id-auth.md)
 * spec that allows clients and servers to exchange PeerIds.
 */
import type { AbortOptions, PeerId, PrivateKey } from '@libp2p/interface';
export * from './errors.ts';
export declare const PEER_ID_AUTH_SCHEME = "libp2p-PeerID";
export declare const HTTP_PEER_ID_AUTH_PROTOCOL = "/http-peer-id-auth/1.0.0";
export declare const DEFAULT_AUTH_TOKEN_TTL: number;
export interface ClientChallengeHeader {
    'challenge-server': string;
    'public-key': string;
}
export interface ClientChallengeResponseHeader {
    'challenge-client': string;
    'public-key': string;
    sig: string;
    opaque: string;
}
export interface BearerTokenHeader {
    bearer: string;
    sig?: string;
}
export interface OpaqueDataHeader {
    opaque: string;
    sig: string;
}
export interface ServerChallengeHeader {
    'challenge-client': string;
    'public-key': string;
    opaque: string;
}
export interface ServerChallengeResponseHeader {
    'challenge-server': string;
    'public-key': string;
    opaque: string;
    sig: string;
}
export interface ServerResponse {
    /**
     * The PeerId of the client
     */
    peerId: PeerId;
    /**
     * If present this should be sent to the client as a `authentication-info`
     * header
     */
    info?: string;
    /**
     * If present this should be sent to the client as a `www-authenticate` header
     */
    authenticate?: string;
}
export interface ClientResponse {
    /**
     * The PeerId of the server
     */
    peerId: PeerId;
    /**
     * If present this should be sent to the client as a `www-authenticate` header
     */
    authenticate?: string;
    /**
     * If present this should be used for subsequent requests
     */
    bearer?: string;
}
export interface VerifyPeer {
    (peerId: PeerId, opts?: AbortOptions): boolean | Promise<boolean>;
}
export interface VerifyClientChallengeResponseOptions extends AbortOptions {
    verifyPeer?: VerifyPeer;
    tokenTTL?: number;
}
export declare function createServerChallenge(hostname: string, serverKey: PrivateKey): Promise<string>;
/**
 * Handle incoming messages from the authenticating client
 */
export declare function serverResponds(authHeader: string, hostname: string, serverKey: PrivateKey, tokenTTL?: number): Promise<ServerResponse>;
export { ClientInitiatedHandshake, ServerInitiatedHandshake } from './client.ts';
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