【求助】请高手帮我分析这两个文件的代码是如何汇编而来的，两个文件里面只是有效期不同而已

文件1：
<?xml version="1.0" encoding="utf-8"?>
<key>D95CAF6A4956A75C2E5CB8607824F4369211A6685C1A0A127108B96FF52FBFF1</key>
  <generatedby />
  <guid>82E7CC44F907F246F4B13B0B4BC5EF27</guid>
  <serialnumber>35259</serialnumber>
  <component name="Service" version="4" layoutname="Service" layoutversion="4">
    <key>1B04711F352DF703202C57A26DE949C259EBD259B7796E9DDA7A9FA539571C12</key>
    <level name="purchased">
      <details>
        <package name="Access Level" value="Service Engineer" />
      </details>
      <valid>October 29, 2012</valid>
      <expires>December 31, 2019</expires>
    </level>
  </component>

文件2：
<?xml version="1.0" encoding="utf-8"?>
<key>0DD885F99A279C732BD11C4685DCCB6BEFB80A42CEE01E4926BB8490A4A5F0EC</key>
  <generatedby />
  <guid>82E7CC44F907F246F4B13B0B4BC5EF27</guid>
  <serialnumber>35259</serialnumber>
  <component name="Service" version="4" layoutname="Service" layoutversion="4">
    <key>326507A6966AF5D31396B9E966C5A2044015C8A407F74287FFCB5D27022693ED</key>
    <level name="purchased">
      <details>
        <package name="Access Level" value="Service Engineer" />
      </details>
      <valid>October 29, 2012</valid>
      <expires>December 31, 2030</expires>
    </level>
  </component>
</license>

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