/**
 * forked from https://github.com/bitchan/eccrypto/blob/master/index.js
 *
 * rewrite curves & hashes
 */
export declare const encrypt: (publicKeyTo: any, msg: any, opts?: any) => Promise<{
    iv: any;
    ephemPublicKey: any;
    ciphertext: Uint8Array<ArrayBufferLike>;
    mac: Buffer<ArrayBuffer>;
}>;
export declare const decrypt: (privateKey: any, opts: any) => Promise<Uint8Array<ArrayBufferLike>>;