import * as ellipticPkg from 'elliptic';
import { Decryptor, EciesScheme, Encryptor } from '../encryption/encryption.js';
import { PubKeyEncodable } from '../reencryption/index.js';
export declare const TEST_ECIES_PUB_KEY = "0x02516bda9e68a1c3dce74dc1b6ed7d91a91d51c1e1933947f06331cef59631e9eb";
export declare const TEST_ECIES_PRIVATE_KEY = "0x384a707568ab63ad2ad9f10135faa0699801db3174f33f7846badc11affb8f57";
export interface Secp256k1Keypair extends PubKeyEncodable {
    scheme: EciesScheme;
    kp: ellipticPkg.ec.KeyPair;
}
export type Secp256k1PubKey = ellipticPkg.curve.base.BasePoint;
export declare function toSecp256k1Keypair(kp: ellipticPkg.ec.KeyPair): Secp256k1Keypair;
export declare function generateSecp256k1Keypair(): Secp256k1Keypair;
export declare function encodeSecp256k1PublicKey(pub: Secp256k1PubKey): Uint8Array;
export declare function decodeSecp256k1PublicKey(pubKeyCompressed: Uint8Array): Secp256k1PubKey;
export declare function decodeSecp256k1PrivateKey(privKey: Uint8Array): Secp256k1Keypair;
export declare function encrypt(pubKeyA: Secp256k1PubKey, plaintext: Uint8Array, privKeyB: Secp256k1Keypair): Promise<Uint8Array>;
export type EciesEncryptorArgs = {
    pubKeyA: Secp256k1PubKey;
    privKeyB: Secp256k1Keypair;
};
export declare function getEciesEncryptor({ pubKeyA, privKeyB, }: EciesEncryptorArgs): Encryptor<EciesScheme>;
export declare function decrypt(privKeyA: Secp256k1Keypair, ciphertext: Uint8Array): Promise<Uint8Array>;
export type EciesDecryptorArgs = {
    privKeyA: Secp256k1Keypair;
};
export declare function getEciesDecryptor({ privKeyA, }: EciesDecryptorArgs): Decryptor<EciesScheme>;