export declare function createSignedCertificateAsync(aid?: string): Promise<{
    csrPEM: string;
    prvKeyPEM: string;
    pubKeyPEM: string;
}>;
export declare function isPemValid(certPem: string): boolean;
export declare function getPublicKeyPem(agentId: string): Promise<{
    publicKeyPem: string;
    certPem: string;
}>;
/**
 * 签名函数
 */
export declare function signPrivate(nonce: string, privateKey: string): Promise<string>;
/**
 * 预加载 jsrsasign 模块
 */
export declare function preloadCrypto(): Promise<void>;