{
  "name": "Public-key infrastructure",
  "order": 31,
  "challenges": [
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      "title": "Introduction to Public-key infrastructure",
      "description": [
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      ],
      "challengeSeed": [
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      "tests": [
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    {
      "id": "59a5801209a6acac5983b292",
      "title": "A practical protocol: Secure socket layer",
      "description": [
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      "challengeSeed": [
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      "tests": [
        ""
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    {
      "id": "59a5801209a6acac5983b293",
      "title": "Certificates",
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      "challengeSeed": [
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    },
    {
      "id": "59a5801209a6acac5983b294",
      "title": "Certificate life-cycle management",
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      "challengeSeed": [
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}