"Diffie-Hellman" meaning in English

{
  "etymology_text": "Named after Whitfield Diffie and Martin Hellman.",
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  "lang": "English",
  "lang_code": "en",
  "pos": "name",
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          "langcode": "en",
          "name": "Cryptography",
          "orig": "en:Cryptography",
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      "glosses": [
        "A particular mechanism for key exchange in cryptographic communications."
      ],
      "id": "en-Diffie-Hellman-en-name-FpNDZ4ef",
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        [
          "cryptography",
          "cryptography"
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        [
          "key exchange",
          "key exchange"
        ],
        [
          "cryptographic",
          "cryptographic"
        ],
        [
          "communication",
          "communication"
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      ],
      "raw_glosses": [
        "(cryptography) A particular mechanism for key exchange in cryptographic communications."
      ],
      "topics": [
        "computing",
        "cryptography",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
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      "wikipedia": [
        "Diffie–Hellman key exchange"
      ]
    }
  ],
  "word": "Diffie-Hellman"
}

{
  "etymology_text": "Named after Whitfield Diffie and Martin Hellman.",
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      "expansion": "Diffie-Hellman",
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
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        "en:Cryptography"
      ],
      "glosses": [
        "A particular mechanism for key exchange in cryptographic communications."
      ],
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        [
          "cryptography",
          "cryptography"
        ],
        [
          "key exchange",
          "key exchange"
        ],
        [
          "cryptographic",
          "cryptographic"
        ],
        [
          "communication",
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      ],
      "raw_glosses": [
        "(cryptography) A particular mechanism for key exchange in cryptographic communications."
      ],
      "topics": [
        "computing",
        "cryptography",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ],
      "wikipedia": [
        "Diffie–Hellman key exchange"
      ]
    }
  ],
  "word": "Diffie-Hellman"
}