/**
 * LibHaLo - Programmatically interact with HaLo tags from the web browser, mobile application or the desktop.
 * Copyright by Arx Research, Inc., a Delaware corporation
 * License: MIT
 */
import { Buffer } from 'buffer/index.js';
import { PublicKeyList } from "../types.js";
declare const SECP256k1_ORDER = 115792089237316195423570985008687907852837564279074904382605163141518161494337n;
declare const BJJ_ORDER = 2736030358979909402780800718157159386076813972158567259200215660948447373041n;
interface SignatureObj {
    r: string;
    s: string;
}
declare function hex2arr(hexString: string): Uint8Array<ArrayBuffer>;
declare function arr2hex(buffer: number[] | Uint8Array): string;
declare function parsePublicKeys(buffer: Buffer | string): PublicKeyList;
declare function parseSig(res: Buffer, curveOrder: bigint): {
    r: string;
    s: string;
};
declare function sigToDer(sig: SignatureObj): Buffer;
declare function convertSignature(digest: string, signature: string, publicKey: string, curveOrder: bigint): {
    raw: {
        v: number;
        r: string;
        s: string;
    };
    der: string;
    ether: string;
};
declare function recoverPublicKey(digest: string, signature: string, curveOrder: bigint): any[];
declare function mode<Type>(arr: Type[]): Type;
declare function randomBuffer(): Buffer;
declare function isWebDebugEnabled(): boolean;
declare function webDebug(...args: unknown[]): void;
export { SECP256k1_ORDER, BJJ_ORDER, hex2arr, arr2hex, parseSig, sigToDer, convertSignature, parsePublicKeys, recoverPublicKey, mode, randomBuffer, isWebDebugEnabled, webDebug, };
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