import { PariKey } from "../cryptoUtils";
/**
 * 生成Rsa用于签名的公钥和私钥
 */
export declare const genHmacSignKey: (hash?: string) => Promise<PariKey>;
export declare const signHmac: (key: string, content: string, hash?: string) => Promise<string>;
/**
 * 用公钥进行验签
 * @param key
 * @param content
 * @param signature
 * @param hash
 * @returns
 */
export declare const verifyHmac: (key: string, content: string, signature: string, hash?: string) => Promise<boolean>;