"Nihilist cipher" meaning in All languages combined

{
  "etymology_text": "The cipher was originally used by Russian Nihilists in the 1880s to organise terrorism against the tsarist regime.",
  "forms": [
    {
      "form": "Nihilist ciphers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "head": "Nihilist cipher"
      },
      "expansion": "Nihilist cipher (plural Nihilist ciphers)",
      "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": "topical",
          "langcode": "en",
          "name": "Cryptography",
          "orig": "en:Cryptography",
          "parents": [
            "Computer science",
            "Formal sciences",
            "Mathematics",
            "Computing",
            "Sciences",
            "Technology",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A symmetric cipher in which a Polybius square using a mixed alphabet is used to convert both the plain text and a keyword to a series of two-digit numbers, which are then summed in the normal way to get the ciphertext, with the key numbers repeated as required; (by extension) any of several improved algorithms based on this."
      ],
      "id": "en-Nihilist_cipher-en-noun-Y632zlfH",
      "links": [
        [
          "cryptography",
          "cryptography"
        ],
        [
          "symmetric",
          "symmetric"
        ],
        [
          "cipher",
          "cipher"
        ],
        [
          "Polybius square",
          "Polybius square"
        ],
        [
          "convert",
          "convert"
        ],
        [
          "plain text",
          "plain text"
        ],
        [
          "keyword",
          "keyword"
        ],
        [
          "ciphertext",
          "ciphertext"
        ],
        [
          "algorithm",
          "algorithm"
        ]
      ],
      "raw_glosses": [
        "(cryptography, historical) A symmetric cipher in which a Polybius square using a mixed alphabet is used to convert both the plain text and a keyword to a series of two-digit numbers, which are then summed in the normal way to get the ciphertext, with the key numbers repeated as required; (by extension) any of several improved algorithms based on this."
      ],
      "tags": [
        "historical"
      ],
      "topics": [
        "computing",
        "cryptography",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ]
    }
  ],
  "word": "Nihilist cipher"
}

{
  "etymology_text": "The cipher was originally used by Russian Nihilists in the 1880s to organise terrorism against the tsarist regime.",
  "forms": [
    {
      "form": "Nihilist ciphers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "head": "Nihilist cipher"
      },
      "expansion": "Nihilist cipher (plural Nihilist ciphers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with historical senses",
        "en:Cryptography"
      ],
      "glosses": [
        "A symmetric cipher in which a Polybius square using a mixed alphabet is used to convert both the plain text and a keyword to a series of two-digit numbers, which are then summed in the normal way to get the ciphertext, with the key numbers repeated as required; (by extension) any of several improved algorithms based on this."
      ],
      "links": [
        [
          "cryptography",
          "cryptography"
        ],
        [
          "symmetric",
          "symmetric"
        ],
        [
          "cipher",
          "cipher"
        ],
        [
          "Polybius square",
          "Polybius square"
        ],
        [
          "convert",
          "convert"
        ],
        [
          "plain text",
          "plain text"
        ],
        [
          "keyword",
          "keyword"
        ],
        [
          "ciphertext",
          "ciphertext"
        ],
        [
          "algorithm",
          "algorithm"
        ]
      ],
      "raw_glosses": [
        "(cryptography, historical) A symmetric cipher in which a Polybius square using a mixed alphabet is used to convert both the plain text and a keyword to a series of two-digit numbers, which are then summed in the normal way to get the ciphertext, with the key numbers repeated as required; (by extension) any of several improved algorithms based on this."
      ],
      "tags": [
        "historical"
      ],
      "topics": [
        "computing",
        "cryptography",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ]
    }
  ],
  "word": "Nihilist cipher"
}