export declare const encryptedBySecret: (secret: string, data: string) => string;
export declare const decryptBySecret: (secret: string, data: string) => string;
export declare const encrypt: (pk_to: string, message: any) => Promise<string>;
export declare const sign: (from_privateKey: string, message: any) => Promise<{
    message: any;
    signature: string;
}>;
export declare const recoverSignature: (payload: {
    message: any;
    signature: string;
}) => {
    message: any;
    signer: string;
};
export declare const encryptSign: (from_privateKey: string, to_publicKey: string, message: any) => Promise<string>;
export declare const decrypt: (privateKey: string, message: any) => Promise<any>;
export declare const decryptSigned: (privateKey: string, message: any) => Promise<any>;
export declare const metaMaskEncrypt: (publicKey: string, data: string) => string;
export declare const metaMaskDecrypt: (account: string, data: string, metaMaskDecryptCallback: (data: string) => Promise<string>) => Promise<string>;
export declare const textToBigInt: (text: string) => bigint;
export declare const bigIntToText: (bigIntValue: bigint) => string;