{
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  "docId": "RFC6664",
  "document": {
    "abstract": "This document defines a set of Secure/Multipurpose Internet Mail Extensions (S/MIME) Capability types for ASN.1 encoding for the current set of public keys defined by the PKIX working group. This facilitates the ability for a requester to specify information on the public keys and signature algorithms to be used in responses. \"Online Certificate Status Protocol Algorithm Agility\" (RFC 6277) details an example of where this is used. This document is not an Internet Standards Track specification; it is published for informational purposes.",
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      "confidence": "high",
      "note": "Parsed from RFC index XML abstract",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6664/",
      "updated": "2026-10-20T17:30:03.432Z",
      "version": "extractDocs.js@commit:8277ba975118"
    },
    "authors": [
      {
        "name": "Jim Schaad"
      }
    ],
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      "confidence": "high",
      "note": "Parsed from Datatracker doc page article:author (profile full names)",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6664/",
      "updated": "2026-10-20T17:30:03.432Z",
      "version": "extractDocs.js@commit:8277ba975118"
    },
    "docId": "RFC6664",
    "docId$meta": {
      "confidence": "high",
      "note": "Derived from RFC number or Datatracker identifier",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6664/",
      "updated": "2026-10-20T17:30:03.432Z",
      "version": "extractDocs.js@commit:8277ba975118"
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    "docLabel": "IETF RFC 6664",
    "docLabel$meta": {
      "confidence": "high",
      "note": "Constructed from provider and document identifier",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6664/",
      "updated": "2026-10-20T17:30:03.432Z",
      "version": "extractDocs.js@commit:8277ba975118"
    },
    "docNumber": "6664",
    "docNumber$meta": {
      "confidence": "high",
      "note": "From the RFC index entry (rfc-index.xml <doc-id>)",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6664/",
      "updated": "2026-10-20T17:30:03.432Z",
      "version": "extractDocs.js@commit:8277ba975118"
    },
    "docTitle": "S/MIME Capabilities for Public Key Definitions",
    "docTitle$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML title",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6664/",
      "updated": "2026-10-20T17:30:03.432Z",
      "version": "extractDocs.js@commit:8277ba975118"
    },
    "docType": "Informational",
    "docType$meta": {
      "confidence": "high",
      "note": "Mapped from Datatracker std_level or RFC status text",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6664/",
      "updated": "2026-10-20T17:30:03.432Z",
      "version": "extractDocs.js@commit:8277ba975118"
    },
    "doi": "10.17487/RFC6664",
    "doi$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML doi",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6664/",
      "updated": "2026-10-20T17:30:03.432Z",
      "version": "extractDocs.js@commit:8277ba975118"
    },
    "href": "https://doi.org/10.17487/RFC6664",
    "href$meta": {
      "confidence": "high",
      "note": "Derived from DOI (https://doi.org/<doi>)",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6664/",
      "updated": "2026-10-20T17:30:03.432Z",
      "version": "extractDocs.js@commit:8277ba975118"
    },
    "keywords": [
      "OCSP",
      "CMS"
    ],
    "keywords$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML keywords",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6664/",
      "updated": "2026-10-20T17:30:03.432Z",
      "version": "extractDocs.js@commit:8277ba975118"
    },
    "pages": "19",
    "pages$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML page-count",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6664/",
      "updated": "2026-10-20T17:30:03.432Z",
      "version": "extractDocs.js@commit:8277ba975118"
    },
    "publicationDate": "2012-07-01",
    "publicationDate$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML date",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6664/",
      "updated": "2026-10-20T17:30:03.432Z",
      "version": "extractDocs.js@commit:8277ba975118"
    },
    "publisher": "IETF",
    "publisher$meta": {
      "confidence": "high",
      "note": "Static: provider",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6664/",
      "updated": "2026-10-20T17:30:03.432Z",
      "version": "extractDocs.js@commit:8277ba975118"
    },
    "references": {
      "bibliographic": [
        "NIST.SP.800-57",
        "RFC4262",
        "RFC5912",
        "RFC6277",
        "RFC5751",
        "RFC2633"
      ],
      "bibliographic$meta": {
        "confidence": "medium",
        "flag": "MIXED_REF_LAYOUT_RISK anchored=10 proseBlocks=14 skippedAnchorBlocks=12",
        "note": "Parsed from RFC HTML references/informative sections",
        "originalValue": [],
        "reviewRequired": true,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc6664/",
        "updated": "2026-10-20T17:30:03.432Z",
        "version": "extractDocs.js@commit:8277ba975118"
      },
      "normative": [
        "RFC2119",
        "RFC3279",
        "RFC4055",
        "RFC5480"
      ],
      "normative$meta": {
        "confidence": "high",
        "note": "Parsed from RFC HTML normative references sections",
        "originalValue": [],
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc6664/",
        "updated": "2026-10-20T17:30:03.432Z",
        "version": "extractDocs.js@commit:8277ba975118"
      }
    },
    "resolvedHref": "https://www.rfc-editor.org/info/rfc6664/",
    "resolvedHref$meta": {
      "confidence": "high",
      "note": "Final URL resolved via URL redirect verification",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6664/",
      "updated": "2026-10-20T17:30:03.432Z",
      "version": "extractDocs.js@commit:8277ba975118"
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      "active": true,
      "active$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc6664/",
        "updated": "2026-10-20T17:30:03.432Z",
        "version": "extractDocs.js@commit:8277ba975118"
      },
      "errataExist": true,
      "errataExist$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/rfc6664/",
        "updated": "2026-10-20T17:30:03.432Z",
        "version": "extractDocs.js@commit:8277ba975118"
      },
      "errataUrl": [
        "https://www.rfc-editor.org/errata/rfc6664",
        "https://www.rfc-editor.org/errata_search.php?rfc=6664"
      ],
      "errataUrl$meta": {
        "confidence": "high",
        "note": "Parsed from errata links on RFC/Datatracker pages",
        "originalValue": [],
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc6664/",
        "updated": "2026-10-20T17:30:03.432Z",
        "version": "extractDocs.js@commit:8277ba975118"
      },
      "latestVersion": true,
      "latestVersion$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc6664/",
        "updated": "2026-10-20T17:30:03.432Z",
        "version": "extractDocs.js@commit:8277ba975118"
      },
      "statusNote": "Informational",
      "statusNote$meta": {
        "confidence": "high",
        "note": "Mapped from Datatracker doc.json std_level",
        "originalValue": null,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc6664/",
        "updated": "2026-10-20T17:30:03.432Z",
        "version": "extractDocs.js@commit:8277ba975118"
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      "superseded": false,
      "superseded$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc6664/",
        "updated": "2026-10-20T17:30:03.432Z",
        "version": "extractDocs.js@commit:8277ba975118"
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}