import type { OpaqueDataHeader } from './index.ts';
import type { PeerId, PrivateKey, PublicKey } from '@libp2p/interface';
export interface OpaqueUnwrapped {
    challengeClient: string;
    clientPublicKey?: string;
    hostname: string;
    creationTime: number;
}
export declare const MAX_AUTH_HEADER_SIZE = 2048;
export declare function generateChallenge(): string;
export declare function encodeAuthParams(params: Record<string, string>): string;
export declare function sign(key: PrivateKey, prefix: string, partsToSign: Array<[string, string | Uint8Array]>): Promise<Uint8Array>;
export declare function verify(key: PublicKey, prefix: string, partsToSign: Array<[string, string | Uint8Array]>, sig: Uint8Array): Promise<boolean>;
export declare function decodeAuthorizationHeader(header: string): unknown;
export declare function genOpaque(privateKey: PrivateKey, unwrapped: OpaqueUnwrapped): Promise<string>;
export declare function unwrapOpaque(publicKey: PublicKey, data: OpaqueDataHeader): Promise<OpaqueUnwrapped>;
export declare function signBox(key: PrivateKey, data: unknown): Promise<string>;
export declare function verifyBox(key: PublicKey, data: string): Promise<unknown>;
export declare function genBearerToken(serverKey: PrivateKey, clientPeerId: PeerId, hostname: string): Promise<string>;
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