var createOutputMethod = function (e, t) {},
createMethod = function (e) {},
nodeWrap = function (method, is224) {},
createHmacOutputMethod = function (e, t) {},
createHmacMethod = function (e) {};
function Sha256(e, t) {}
function HmacSha256(e, t, n) {}
// 此处省略 N 个方法
