{
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    "abstract": "This document describes the use of the SEED block cipher algorithm in the Cipher Block Chaining Mode, with an explicit IV, as a confidentiality mechanism within the context of the IPsec Encapsulating Security Payload (ESP). [STANDARDS-TRACK]",
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      "note": "Parsed from RFC index XML abstract",
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      "updated": "2026-10-16T15:45:21.685Z",
      "version": "extractDocs.js@commit:e0fe4a71cd26"
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    "authors": [
      {
        "name": "Hyangjin Lee"
      },
      {
        "name": "Jaeho Yoon"
      },
      {
        "name": "Seoklae Lee"
      },
      {
        "name": "Jaeil Lee"
      }
    ],
    "authors$meta": {
      "confidence": "high",
      "note": "Parsed from Datatracker doc page article:author (profile full names)",
      "originalValue": null,
      "source": "parsed",
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      "updated": "2026-10-16T15:45:21.685Z",
      "version": "extractDocs.js@commit:e0fe4a71cd26"
    },
    "docId": "RFC4196",
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      "confidence": "high",
      "note": "Derived from RFC number or Datatracker identifier",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4196/",
      "updated": "2026-10-16T15:45:21.685Z",
      "version": "extractDocs.js@commit:e0fe4a71cd26"
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    "docLabel": "IETF RFC 4196",
    "docLabel$meta": {
      "confidence": "high",
      "note": "Constructed from provider and document identifier",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4196/",
      "updated": "2026-10-16T15:45:21.685Z",
      "version": "extractDocs.js@commit:e0fe4a71cd26"
    },
    "docNumber": "4196",
    "docNumber$meta": {
      "confidence": "high",
      "note": "Parsed from RFC info page report metadata",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4196/",
      "updated": "2026-10-16T15:45:21.685Z",
      "version": "extractDocs.js@commit:e0fe4a71cd26"
    },
    "docTitle": "The SEED Cipher Algorithm and Its Use with IPsec",
    "docTitle$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML title",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4196/",
      "updated": "2026-10-16T15:45:21.685Z",
      "version": "extractDocs.js@commit:e0fe4a71cd26"
    },
    "docType": "Standard",
    "docType$meta": {
      "confidence": "high",
      "note": "Mapped from Datatracker std_level or RFC status text",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4196/",
      "updated": "2026-10-16T15:45:21.685Z",
      "version": "extractDocs.js@commit:e0fe4a71cd26"
    },
    "doi": "10.17487/RFC4196",
    "doi$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML doi",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4196/",
      "updated": "2026-10-16T15:45:21.685Z",
      "version": "extractDocs.js@commit:e0fe4a71cd26"
    },
    "href": "https://doi.org/10.17487/RFC4196",
    "href$meta": {
      "confidence": "high",
      "note": "Derived from DOI (https://doi.org/<doi>)",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4196/",
      "updated": "2026-10-16T15:45:21.685Z",
      "version": "extractDocs.js@commit:e0fe4a71cd26"
    },
    "keywords": [
      "ESP",
      "Encryption"
    ],
    "keywords$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML keywords",
      "originalValue": [
        "IPSEC Esp",
        "Encryption"
      ],
      "overridden": true,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4196/",
      "updated": "2026-10-16T16:57:26.107Z",
      "version": "extractDocs.js@commit:30d92d8ed083"
    },
    "pages": "12",
    "pages$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML page-count",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4196/",
      "updated": "2026-10-16T15:45:21.685Z",
      "version": "extractDocs.js@commit:e0fe4a71cd26"
    },
    "publicationDate": "2005-10-01",
    "publicationDate$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML date",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4196/",
      "updated": "2026-10-16T15:45:21.685Z",
      "version": "extractDocs.js@commit:e0fe4a71cd26"
    },
    "publisher": "IETF",
    "publisher$meta": {
      "confidence": "high",
      "note": "Static: provider",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4196/",
      "updated": "2026-10-16T15:45:21.685Z",
      "version": "extractDocs.js@commit:e0fe4a71cd26"
    },
    "references": {
      "normative": [
        "RFC2451",
        "RFC2406",
        "RFC2409",
        "RFC2119",
        "RFC4009",
        "NIST.FIPS.197",
        "RFC2401",
        "ISBN.9780471117094",
        "RFC2403",
        "RFC2404",
        "RFC2411",
        "orphan/RFC4196/h:ed8a10d8",
        "orphan/RFC4196/h:760e4353",
        "orphan/RFC4196/h:586ea6f0",
        "orphan/RFC4196/h:c75a757f",
        "orphan/RFC4196/h:dbecbf3e"
      ],
      "normative$meta": {
        "confidence": "high",
        "note": "Parsed from RFC HTML normative references sections",
        "originalValue": [],
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc4196/",
        "updated": "2026-10-16T15:45:21.686Z",
        "version": "extractDocs.js@commit:e0fe4a71cd26"
      }
    },
    "resolvedHref": "https://www.rfc-editor.org/info/rfc4196/",
    "resolvedHref$meta": {
      "confidence": "high",
      "note": "Final URL resolved via URL redirect verification",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4196/",
      "updated": "2026-10-16T15:45:21.685Z",
      "version": "extractDocs.js@commit:e0fe4a71cd26"
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    "status": {
      "active": true,
      "active$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc4196/",
        "updated": "2026-10-16T15:45:21.685Z",
        "version": "extractDocs.js@commit:e0fe4a71cd26"
      },
      "errataExist": false,
      "errataExist$meta": {
        "confidence": "high",
        "note": "Derived from presence of errata links on RFC/Datatracker pages",
        "originalValue": null,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc4196/",
        "updated": "2026-10-16T15:45:21.686Z",
        "version": "extractDocs.js@commit:e0fe4a71cd26"
      },
      "latestVersion": true,
      "latestVersion$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc4196/",
        "updated": "2026-10-16T15:45:21.685Z",
        "version": "extractDocs.js@commit:e0fe4a71cd26"
      },
      "statusNote": "Proposed Standard",
      "statusNote$meta": {
        "confidence": "high",
        "note": "Mapped from Datatracker doc.json std_level",
        "originalValue": null,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc4196/",
        "updated": "2026-10-16T15:45:21.685Z",
        "version": "extractDocs.js@commit:e0fe4a71cd26"
      },
      "superseded": false,
      "superseded$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc4196/",
        "updated": "2026-10-16T15:45:21.685Z",
        "version": "extractDocs.js@commit:e0fe4a71cd26"
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}