{
  "name": "Hash Functions",
  "order": 6,
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      "title": "Introduction to Hash Functions",
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    {
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    {
      "id": "59a5801209a6acac5983b195",
      "title": "Security of hash functions",
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      "challengeSeed": [
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    {
      "id": "59a5801209a6acac5983b196",
      "title": "Random Oracle model",
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      "challengeSeed": [
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      "title": "Algorithms in the random oracle model",
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    {
      "id": "59a5801209a6acac5983b198",
      "title": "Comparison of security criteria",
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      "challengeSeed": [
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      "tests": [
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    {
      "id": "59a5801209a6acac5983b199",
      "title": "Iterated hash functions",
      "description": [
        ""
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      "challengeSeed": [
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      "tests": [
        ""
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    },
    {
      "id": "59a5801209a6acac5983b201",
      "title": "Merkle-Damgard Construction",
      "description": [
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      "tests": [
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    },
    {
      "id": "59a5801209a6acac5983b202",
      "title": "Secure hash algorithm",
      "description": [
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      "challengeSeed": [
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      "tests": [
        ""
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  ]
}