"use strict";
Object.defineProperty(exports, Symbol.toStringTag, { value: "Module" });
const hmac$1 = require("../../_virtual/hmac.js");
const core = require("./core.js");
var hmac = hmac$1.__module.exports;
var hasRequiredHmac;
function requireHmac() {
  if (hasRequiredHmac) return hmac$1.__module.exports;
  hasRequiredHmac = 1;
  (function(module2, exports2) {
    (function(root, factory) {
      {
        module2.exports = factory(core.__require());
      }
    })(hmac, function(CryptoJS) {
      (function() {
        var C = CryptoJS;
        var C_lib = C.lib;
        var Base = C_lib.Base;
        var C_enc = C.enc;
        var Utf8 = C_enc.Utf8;
        var C_algo = C.algo;
        C_algo.HMAC = Base.extend({
          /**
           * Initializes a newly created HMAC.
           *
           * @param {Hasher} hasher The hash algorithm to use.
           * @param {WordArray|string} key The secret key.
           *
           * @example
           *
           *     var hmacHasher = CryptoJS.algo.HMAC.create(CryptoJS.algo.SHA256, key);
           */
          init: function(hasher, key) {
            hasher = this._hasher = new hasher.init();
            if (typeof key == "string") {
              key = Utf8.parse(key);
            }
            var hasherBlockSize = hasher.blockSize;
            var hasherBlockSizeBytes = hasherBlockSize * 4;
            if (key.sigBytes > hasherBlockSizeBytes) {
              key = hasher.finalize(key);
            }
            key.clamp();
            var oKey = this._oKey = key.clone();
            var iKey = this._iKey = key.clone();
            var oKeyWords = oKey.words;
            var iKeyWords = iKey.words;
            for (var i = 0; i < hasherBlockSize; i++) {
              oKeyWords[i] ^= 1549556828;
              iKeyWords[i] ^= 909522486;
            }
            oKey.sigBytes = iKey.sigBytes = hasherBlockSizeBytes;
            this.reset();
          },
          /**
           * Resets this HMAC to its initial state.
           *
           * @example
           *
           *     hmacHasher.reset();
           */
          reset: function() {
            var hasher = this._hasher;
            hasher.reset();
            hasher.update(this._iKey);
          },
          /**
           * Updates this HMAC with a message.
           *
           * @param {WordArray|string} messageUpdate The message to append.
           *
           * @return {HMAC} This HMAC instance.
           *
           * @example
           *
           *     hmacHasher.update('message');
           *     hmacHasher.update(wordArray);
           */
          update: function(messageUpdate) {
            this._hasher.update(messageUpdate);
            return this;
          },
          /**
           * Finalizes the HMAC computation.
           * Note that the finalize operation is effectively a destructive, read-once operation.
           *
           * @param {WordArray|string} messageUpdate (Optional) A final message update.
           *
           * @return {WordArray} The HMAC.
           *
           * @example
           *
           *     var hmac = hmacHasher.finalize();
           *     var hmac = hmacHasher.finalize('message');
           *     var hmac = hmacHasher.finalize(wordArray);
           */
          finalize: function(messageUpdate) {
            var hasher = this._hasher;
            var innerHash = hasher.finalize(messageUpdate);
            hasher.reset();
            var hmac2 = hasher.finalize(this._oKey.clone().concat(innerHash));
            return hmac2;
          }
        });
      })();
    });
  })(hmac$1.__module);
  return hmac$1.__module.exports;
}
exports.__require = requireHmac;
