import { PrivateKey } from "../Core/Support/PrivateKey";
import { PublicKey } from "../Core/Support/PublicKey";
import RSA from "../Core/Support/RSA";
/**
 * 敏感信息加解密
 * @see https://pay.weixin.qq.com/docs/merchant/development/interface-rules/sensitive-data-encryption.html
 */
declare class Encryptor extends RSA {
    protected publicCert: PublicKey;
    protected privateCert: PrivateKey;
    /**
     * 设置加密机所需的公私密钥
     * @param publicCert PublicKey封装的公钥
     * @param privateCert PrivateKey封装的私钥
     */
    setCerts(publicCert: PublicKey, privateCert: PrivateKey): void;
    /**
     * 获取公钥的序列号
     */
    getSerialNo(): string;
    /**
     * 加密
     * @param plaintext 待加密文本
     * @param encoding 编码，默认：'base64'
     * @param hashType 哈希方式，默认：'sha1'
     * @param padding 补位方式，默认：crypto.constants.RSA_PKCS1_OAEP_PADDING
     * @returns
     */
    encrypt(plaintext: string, encoding?: BufferEncoding, hashType?: string, padding?: number): string;
    /**
     * 解密
     * @param ciphertext 待解密文本
     * @param encoding 编码，默认：'base64'
     * @param hashType 哈希方式，默认：'sha1'
     * @param padding 补位方式，默认：crypto.constants.RSA_PKCS1_OAEP_PADDING
     * @returns
     */
    decrypt(ciphertext: string, encoding?: BufferEncoding, hashType?: string, padding?: number): string;
}
export = Encryptor;