export declare class CertificateEncryption { static generateMac(key: string, algorithm: string, data: string): string; static getThumbPrint(certificateId: string, algorithm: string): string; static getThumbPrintFromKeyStore( certificateId: string, alias: string, algorithm: string ): string; static sign( certificateId: string, alias: string, aliasPassword: string, algorithm: string, dataToSign: string ): string; }