"use strict";
const utils_ossUpload_common_crypto_crypto_js = require("./crypto.js.js");
(function() {
  var util = utils_ossUpload_common_crypto_crypto_js.Crypto.util;
  utils_ossUpload_common_crypto_crypto_js.Crypto.HMAC = function(hasher, message, key, options) {
    key = key.length > hasher._blocksize * 4 ? hasher(key, {
      asBytes: true
    }) : util.stringToBytes(key);
    var okey = key, ikey = key.slice(0);
    for (var i = 0; i < hasher._blocksize * 4; i++) {
      okey[i] ^= 92;
      ikey[i] ^= 54;
    }
    var hmacbytes = hasher(util.bytesToString(okey) + hasher(util.bytesToString(ikey) + message, {
      asString: true
    }), {
      asBytes: true
    });
    return options && options.asBytes ? hmacbytes : options && options.asString ? util.bytesToString(hmacbytes) : util.bytesToHex(hmacbytes);
  };
})();
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