"stream cipher" meaning in English

{
  "forms": [
    {
      "form": "stream ciphers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "stream cipher (plural stream 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-key cipher in which plaintext digits are combined with a pseudorandom cipher digit stream"
      ],
      "id": "en-stream_cipher-en-noun-tk7KYX1c",
      "links": [
        [
          "cryptography",
          "cryptography"
        ],
        [
          "symmetric",
          "symmetric"
        ],
        [
          "key",
          "key"
        ],
        [
          "cipher",
          "cipher"
        ],
        [
          "plaintext",
          "plaintext"
        ],
        [
          "pseudorandom",
          "pseudorandom"
        ]
      ],
      "raw_glosses": [
        "(cryptography) a symmetric-key cipher in which plaintext digits are combined with a pseudorandom cipher digit stream"
      ],
      "topics": [
        "computing",
        "cryptography",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ],
      "translations": [
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "Translations",
          "word": "jonosalaaja"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "Translations",
          "word": "jonosalaus"
        },
        {
          "code": "fr",
          "lang": "French",
          "sense": "Translations",
          "tags": [
            "masculine"
          ],
          "word": "chiffrement de flux"
        },
        {
          "code": "de",
          "lang": "German",
          "sense": "Translations",
          "tags": [
            "feminine"
          ],
          "word": "Stromverschlüsselung"
        },
        {
          "code": "is",
          "lang": "Icelandic",
          "sense": "Translations",
          "tags": [
            "feminine"
          ],
          "word": "straumdulritun"
        },
        {
          "code": "it",
          "lang": "Italian",
          "sense": "Translations",
          "tags": [
            "masculine"
          ],
          "word": "cifrario a flusso"
        }
      ],
      "wikipedia": [
        "stream cipher"
      ]
    }
  ],
  "word": "stream cipher"
}

{
  "forms": [
    {
      "form": "stream ciphers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "stream cipher (plural stream 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",
        "Translation table header lacks gloss",
        "en:Cryptography"
      ],
      "glosses": [
        "a symmetric-key cipher in which plaintext digits are combined with a pseudorandom cipher digit stream"
      ],
      "links": [
        [
          "cryptography",
          "cryptography"
        ],
        [
          "symmetric",
          "symmetric"
        ],
        [
          "key",
          "key"
        ],
        [
          "cipher",
          "cipher"
        ],
        [
          "plaintext",
          "plaintext"
        ],
        [
          "pseudorandom",
          "pseudorandom"
        ]
      ],
      "raw_glosses": [
        "(cryptography) a symmetric-key cipher in which plaintext digits are combined with a pseudorandom cipher digit stream"
      ],
      "topics": [
        "computing",
        "cryptography",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ],
      "wikipedia": [
        "stream cipher"
      ]
    }
  ],
  "translations": [
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "Translations",
      "word": "jonosalaaja"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "Translations",
      "word": "jonosalaus"
    },
    {
      "code": "fr",
      "lang": "French",
      "sense": "Translations",
      "tags": [
        "masculine"
      ],
      "word": "chiffrement de flux"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "Translations",
      "tags": [
        "feminine"
      ],
      "word": "Stromverschlüsselung"
    },
    {
      "code": "is",
      "lang": "Icelandic",
      "sense": "Translations",
      "tags": [
        "feminine"
      ],
      "word": "straumdulritun"
    },
    {
      "code": "it",
      "lang": "Italian",
      "sense": "Translations",
      "tags": [
        "masculine"
      ],
      "word": "cifrario a flusso"
    }
  ],
  "word": "stream cipher"
}