import { Numeric } from 'icbsc.js';
export declare class crypto {
    newKey: () => {
        type: Numeric.KeyType;
        priKey: string;
        pubKey: string;
    };
    sign: (msgStr: string, hexPriKey: string, type?: Numeric.KeyType) => string;
    verify: (msgStr: string, signHex: string, hexPubKey: string, type?: Numeric.KeyType) => boolean;
    keyToChainKey: (hexKey: string, isPrivate: boolean, type?: Numeric.KeyType) => string;
    encrypt: (msgStr: string, hexPubKey: string, type?: Numeric.KeyType) => string;
    decrypt: (msg: string, hexPriKey: string, type?: Numeric.KeyType) => string;
}