/**
 * 生成用于twofa绑定登录的token
 * @param {string} token 用于设置的payload的token参数
 */
export function buildTwofaLoginTokenPayload (token: string): Promise<{ msgToSign: Buffer, timestamp?: number }>;

/**
 * 生成用于twofa绑定登录的token
 * @param {string} token 用于设置的payload的token参数
 * @param {string} signature 签名结果
 */
export function generateTwofaLoginTokenBySigResult (token: string, signature: string, recovery?: number, timestamp = undefined): Promise<string>;

/**
 * 生成用于twofa绑定登录的token
 * @param {string} token 用于设置的payload的token参数
 * @param {string} prikey twofa私钥
 */
export function generateTwofaLoginToken (token: string, prikey: string): Promise<string>;

/**
 * 验证twofa绑定登录的token
 * @param {string} twofaToken 待验证的twofaToken
 * @param {string} loginToken 当前登录使用的loginToken
 * @param {string} twofaPubkey twofa公钥
 */
export function verifyTwofaLoginToken (twofaToken: string, loginToken: string, twofaPubkey: string): Promise<string>;