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- (function() {
- var nodeEnv = typeof require !== 'undefined' && typeof process !== 'undefined';
- var __module = nodeEnv ? module : {exports:{}};
- var __filename = 'preview-scripts/__node_modules/create-hmac/legacy.js';
- var __require = nodeEnv ? function (request) {
- return cc.require(request);
- } : function (request) {
- return __quick_compile_project__.require(request, __filename);
- };
- function __define (exports, require, module) {
- if (!nodeEnv) {__quick_compile_project__.registerModule(__filename, module);}'use strict'
- var inherits = require('inherits')
- var Buffer = require('safe-buffer').Buffer
- var Base = require('cipher-base')
- var ZEROS = Buffer.alloc(128)
- var blocksize = 64
- function Hmac (alg, key) {
- Base.call(this, 'digest')
- if (typeof key === 'string') {
- key = Buffer.from(key)
- }
- this._alg = alg
- this._key = key
- if (key.length > blocksize) {
- key = alg(key)
- } else if (key.length < blocksize) {
- key = Buffer.concat([key, ZEROS], blocksize)
- }
- var ipad = this._ipad = Buffer.allocUnsafe(blocksize)
- var opad = this._opad = Buffer.allocUnsafe(blocksize)
- for (var i = 0; i < blocksize; i++) {
- ipad[i] = key[i] ^ 0x36
- opad[i] = key[i] ^ 0x5C
- }
- this._hash = [ipad]
- }
- inherits(Hmac, Base)
- Hmac.prototype._update = function (data) {
- this._hash.push(data)
- }
- Hmac.prototype._final = function () {
- var h = this._alg(Buffer.concat(this._hash))
- return this._alg(Buffer.concat([this._opad, h]))
- }
- module.exports = Hmac
- }
- if (nodeEnv) {
- __define(__module.exports, __require, __module);
- }
- else {
- __quick_compile_project__.registerModuleFunc(__filename, function () {
- __define(__module.exports, __require, __module);
- });
- }
- })();
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