{
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  "lastModified": "2026-10-13T18:22:46.541Z",
  "sourcePath": "src/main/data/docs",
  "docId": "RFC5751",
  "document": {
    "abstract": "This document defines Secure/Multipurpose Internet Mail Extensions (S/MIME) version 3.2. S/MIME provides a consistent way to send and receive secure MIME data. Digital signatures provide authentication, message integrity, and non-repudiation with proof of origin. Encryption provides data confidentiality. Compression can be used to reduce data size. This document obsoletes RFC 3851. [STANDARDS-TRACK]",
    "abstract$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML abstract",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5751/",
      "updated": "2026-10-13T18:22:46.540Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "authors": [
      {
        "name": "Blake C. Ramsdell"
      },
      {
        "name": "Sean Turner"
      }
    ],
    "authors$meta": {
      "confidence": "high",
      "note": "Parsed from Datatracker doc page article:author (profile full names)",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5751/",
      "updated": "2026-10-13T18:22:46.540Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "docId": "RFC5751",
    "docId$meta": {
      "confidence": "high",
      "note": "Derived from RFC number or Datatracker identifier",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5751/",
      "updated": "2026-10-13T18:22:46.540Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "docLabel": "IETF RFC 5751",
    "docLabel$meta": {
      "confidence": "high",
      "note": "Constructed from provider and document identifier",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5751/",
      "updated": "2026-10-13T18:22:46.540Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "docNumber": "5751",
    "docNumber$meta": {
      "confidence": "high",
      "note": "Parsed from RFC info page report metadata",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5751/",
      "updated": "2026-10-13T18:22:46.540Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "docTitle": "Secure/Multipurpose Internet Mail Extensions (S/MIME) Version 3.2 Message Specification",
    "docTitle$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML title",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5751/",
      "updated": "2026-10-13T18:22:46.540Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "docType": "Standard",
    "docType$meta": {
      "confidence": "high",
      "note": "Mapped from Datatracker std_level or RFC status text",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5751/",
      "updated": "2026-10-13T18:22:46.540Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "doi": "10.17487/RFC5751",
    "doi$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML doi",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5751/",
      "updated": "2026-10-13T18:22:46.540Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "href": "https://doi.org/10.17487/RFC5751",
    "href$meta": {
      "confidence": "high",
      "note": "Derived from DOI (https://doi.org/<doi>)",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5751/",
      "updated": "2026-10-13T18:22:46.540Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "keywords": [
      "MIME",
      "Encryption"
    ],
    "keywords$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML keywords",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5751/",
      "updated": "2026-10-13T18:22:46.540Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "pages": "45",
    "pages$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML page-count",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5751/",
      "updated": "2026-10-13T18:22:46.540Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "publicationDate": "2010-01-01",
    "publicationDate$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML date",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5751/",
      "updated": "2026-10-13T18:22:46.540Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "publisher": "IETF",
    "publisher$meta": {
      "confidence": "high",
      "note": "Static: provider",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5751/",
      "updated": "2026-10-13T18:22:46.540Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "references": {
      "bibliographic": [
        "RFC2785",
        "RFC4270",
        "RFC3218",
        "RFC2315",
        "RFC2311",
        "RFC2312",
        "RFC2313",
        "RFC2314",
        "RFC2630",
        "RFC2631",
        "RFC2632",
        "RFC2633",
        "RFC3850",
        "RFC3851",
        "RFC3852",
        "NIST.SP.800-57",
        "RFC3766"
      ],
      "bibliographic$meta": {
        "confidence": "medium",
        "flag": "MIXED_REF_LAYOUT_RISK anchored=51 proseBlocks=50 skippedAnchorBlocks=48",
        "note": "Parsed from RFC HTML references/informative sections",
        "originalValue": [],
        "reviewRequired": true,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc5751/",
        "updated": "2026-10-13T18:22:46.541Z",
        "version": "extractDocs.js@commit:6d30695438dd"
      },
      "normative": [
        "RFC5750",
        "RFC3565",
        "RFC3370",
        "RFC3274",
        "RFC5754",
        "RFC2183",
        "NIST.FIPS.186-2",
        "NIST.FIPS.186-3",
        "RFC1847",
        "RFC2119",
        "RFC4086",
        "RFC2045",
        "RFC2046",
        "RFC2047",
        "RFC2049",
        "RFC2634",
        "RFC4288",
        "RFC4289",
        "RFC5035",
        "RFC5652",
        "RFC3560",
        "RFC4056",
        "NIST.SP.800-56A",
        "ISO.8824-1.2002",
        "ISO.8825-1.2002",
        "orphan/RFC5751/h:3f6cfed3"
      ],
      "normative$meta": {
        "confidence": "high",
        "note": "Parsed from RFC HTML normative references sections",
        "originalValue": [],
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc5751/",
        "updated": "2026-10-13T18:22:46.541Z",
        "version": "extractDocs.js@commit:6d30695438dd"
      }
    },
    "resolvedHref": "https://www.rfc-editor.org/info/rfc5751/",
    "resolvedHref$meta": {
      "confidence": "high",
      "note": "Final URL resolved via URL redirect verification",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5751/",
      "updated": "2026-10-13T18:22:46.540Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "status": {
      "active": false,
      "active$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc5751/",
        "updated": "2026-10-13T18:22:46.540Z",
        "version": "extractDocs.js@commit:6d30695438dd"
      },
      "errataExist": true,
      "errataExist$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/rfc5751/",
        "updated": "2026-10-13T18:22:46.540Z",
        "version": "extractDocs.js@commit:6d30695438dd"
      },
      "errataUrl": [
        "https://www.rfc-editor.org/errata/rfc5751",
        "https://www.rfc-editor.org/errata_search.php?rfc=5751",
        "https://www.rfc-editor.org/rfc/inline-errata/rfc5751.html"
      ],
      "errataUrl$meta": {
        "confidence": "high",
        "note": "Parsed from errata links on RFC/Datatracker pages",
        "originalValue": [],
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc5751/",
        "updated": "2026-10-13T18:22:46.541Z",
        "version": "extractDocs.js@commit:6d30695438dd"
      },
      "latestVersion": false,
      "latestVersion$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc5751/",
        "updated": "2026-10-13T18:22:46.540Z",
        "version": "extractDocs.js@commit:6d30695438dd"
      },
      "statusNote": "Proposed Standard",
      "statusNote$meta": {
        "confidence": "high",
        "note": "Mapped from Datatracker doc.json std_level",
        "originalValue": null,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc5751/",
        "updated": "2026-10-13T18:22:46.540Z",
        "version": "extractDocs.js@commit:6d30695438dd"
      },
      "superseded": true,
      "superseded$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc5751/",
        "updated": "2026-10-13T18:22:46.540Z",
        "version": "extractDocs.js@commit:6d30695438dd"
      },
      "supersededBy": [
        "RFC8551"
      ],
      "supersededBy$meta": {
        "confidence": "high",
        "note": "Parsed from RFC index XML",
        "originalValue": [],
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc5751/",
        "updated": "2026-10-13T18:22:46.541Z",
        "version": "extractDocs.js@commit:6d30695438dd"
      },
      "supersedes": [
        "RFC3851"
      ],
      "supersedes$meta": {
        "confidence": "high",
        "note": "Parsed from RFC index XML",
        "originalValue": [],
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc5751/",
        "updated": "2026-10-13T18:22:46.541Z",
        "version": "extractDocs.js@commit:6d30695438dd"
      }
    }
  }
}