"private key" meaning in English

{
  "forms": [
    {
      "form": "private keys",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "private key (plural private keys)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Mandarin terms with redundant transliterations",
          "parents": [
            "Terms with redundant transliterations",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Cryptography",
          "orig": "en:Cryptography",
          "parents": [
            "Computer science",
            "Formal sciences",
            "Mathematics",
            "Computing",
            "Sciences",
            "Technology",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "coordinate_terms": [
        {
          "word": "public key"
        }
      ],
      "glosses": [
        "The unpublished key in asymmetric cryptography."
      ],
      "id": "en-private_key-en-noun-wfXNWjhz",
      "links": [
        [
          "unpublished",
          "unpublished"
        ],
        [
          "asymmetric cryptography",
          "asymmetric cryptography"
        ]
      ],
      "related": [
        {
          "word": "public-key cryptography"
        }
      ],
      "translations": [
        {
          "code": "ca",
          "lang": "Catalan",
          "sense": "unpublished key",
          "tags": [
            "feminine"
          ],
          "word": "clau privada"
        },
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "sense": "unpublished key",
          "word": "私鑰"
        },
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "roman": "sīyào",
          "sense": "unpublished key",
          "word": "私钥"
        },
        {
          "code": "cs",
          "lang": "Czech",
          "sense": "unpublished key",
          "tags": [
            "masculine"
          ],
          "word": "soukromý klíč"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "unpublished key",
          "word": "yksityinen avain"
        },
        {
          "code": "de",
          "lang": "German",
          "sense": "unpublished key",
          "tags": [
            "masculine"
          ],
          "word": "privater Schlüssel"
        },
        {
          "code": "hu",
          "lang": "Hungarian",
          "sense": "unpublished key",
          "word": "titkos kulcs"
        },
        {
          "code": "is",
          "lang": "Icelandic",
          "sense": "unpublished key",
          "tags": [
            "masculine"
          ],
          "word": "einkalykill"
        }
      ]
    }
  ],
  "word": "private key"
}

{
  "coordinate_terms": [
    {
      "word": "public key"
    }
  ],
  "forms": [
    {
      "form": "private keys",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "private key (plural private keys)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "public-key cryptography"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English entries with topic categories using raw markup",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with non-redundant non-automated sortkeys",
        "Mandarin terms with redundant transliterations",
        "en:Cryptography"
      ],
      "glosses": [
        "The unpublished key in asymmetric cryptography."
      ],
      "links": [
        [
          "unpublished",
          "unpublished"
        ],
        [
          "asymmetric cryptography",
          "asymmetric cryptography"
        ]
      ]
    }
  ],
  "translations": [
    {
      "code": "ca",
      "lang": "Catalan",
      "sense": "unpublished key",
      "tags": [
        "feminine"
      ],
      "word": "clau privada"
    },
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "sense": "unpublished key",
      "word": "私鑰"
    },
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "roman": "sīyào",
      "sense": "unpublished key",
      "word": "私钥"
    },
    {
      "code": "cs",
      "lang": "Czech",
      "sense": "unpublished key",
      "tags": [
        "masculine"
      ],
      "word": "soukromý klíč"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "unpublished key",
      "word": "yksityinen avain"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "unpublished key",
      "tags": [
        "masculine"
      ],
      "word": "privater Schlüssel"
    },
    {
      "code": "hu",
      "lang": "Hungarian",
      "sense": "unpublished key",
      "word": "titkos kulcs"
    },
    {
      "code": "is",
      "lang": "Icelandic",
      "sense": "unpublished key",
      "tags": [
        "masculine"
      ],
      "word": "einkalykill"
    }
  ],
  "word": "private key"
}