{
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  "docId": "RFC4169",
  "document": {
    "abstract": "HTTP Digest, as specified in RFC 2617, is known to be vulnerable to man-in-the-middle attacks if the client fails to authenticate the server in TLS, or if the same passwords are used for authentication in some other context without TLS. This is a general problem that exists not just with HTTP Digest, but also with other IETF protocols that use tunneled authentication. This document specifies version 2 of the HTTP Digest AKA algorithm (RFC 3310). This algorithm can be implemented in a way that it is resistant to the man-in-the-middle attack. This memo provides information for the Internet community.",
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    "authors": [
      {
        "name": "Vesa Torvinen"
      },
      {
        "name": "Jari Arkko"
      },
      {
        "name": "Mats Naslund"
      }
    ],
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      "confidence": "high",
      "note": "Parsed from Datatracker doc page article:author (profile full names)",
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      "updated": "2026-10-09T15:38:45.577Z",
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    "docId": "RFC4169",
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      "confidence": "high",
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      "originalValue": null,
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      "sourceUrl": "https://www.rfc-editor.org/info/rfc4169/",
      "updated": "2026-10-09T15:38:45.577Z",
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    "docLabel": "IETF RFC 4169",
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      "confidence": "high",
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      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4169/",
      "updated": "2026-10-09T15:38:45.577Z",
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    },
    "docNumber": "4169",
    "docNumber$meta": {
      "confidence": "high",
      "note": "Parsed from RFC info page report metadata",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4169/",
      "updated": "2026-10-09T15:38:45.577Z",
      "version": "extractDocs.js@commit:12c59e0e1847"
    },
    "docTitle": "Hypertext Transfer Protocol (HTTP) Digest Authentication Using Authentication and Key Agreement (AKA) Version-2",
    "docTitle$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML title",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4169/",
      "updated": "2026-10-09T15:38:45.577Z",
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    },
    "docType": "Informational",
    "docType$meta": {
      "confidence": "high",
      "note": "Mapped from Datatracker std_level or RFC status text",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4169/",
      "updated": "2026-10-09T15:38:45.577Z",
      "version": "extractDocs.js@commit:12c59e0e1847"
    },
    "doi": "10.17487/RFC4169",
    "doi$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML doi",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4169/",
      "updated": "2026-10-09T15:38:45.577Z",
      "version": "extractDocs.js@commit:12c59e0e1847"
    },
    "href": "https://doi.org/10.17487/RFC4169",
    "href$meta": {
      "confidence": "high",
      "note": "Derived from DOI (https://doi.org/<doi>)",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4169/",
      "updated": "2026-10-09T15:38:45.577Z",
      "version": "extractDocs.js@commit:12c59e0e1847"
    },
    "keywords": [
      "TLS",
      "Tunneled Authentication",
      "Man-in-the-middle Attacks"
    ],
    "keywords$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML keywords",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4169/",
      "updated": "2026-10-09T15:38:45.577Z",
      "version": "extractDocs.js@commit:12c59e0e1847"
    },
    "pages": "13",
    "pages$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML page-count",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4169/",
      "updated": "2026-10-09T15:38:45.577Z",
      "version": "extractDocs.js@commit:12c59e0e1847"
    },
    "publicationDate": "2005-11-01",
    "publicationDate$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML date",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4169/",
      "updated": "2026-10-09T15:38:45.577Z",
      "version": "extractDocs.js@commit:12c59e0e1847"
    },
    "publisher": "IETF",
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      "confidence": "high",
      "note": "Static: provider",
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      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4169/",
      "updated": "2026-10-09T15:38:45.577Z",
      "version": "extractDocs.js@commit:12c59e0e1847"
    },
    "references": {
      "bibliographic": [
        "3GPP.TS-33.102.200112",
        "orphan/RFC4169/h:6c84c55b",
        "orphan/RFC4169/h:129fdf05"
      ],
      "bibliographic$meta": {
        "confidence": "medium",
        "flag": "MIXED_REF_LAYOUT_RISK anchored=9 proseBlocks=14 skippedAnchorBlocks=10",
        "note": "Parsed from RFC HTML references/informative sections",
        "originalValue": [
          "orphan/RFC4169/h:93a59ecb",
          "orphan/RFC4169/h:6c84c55b",
          "orphan/RFC4169/h:129fdf05"
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        "overridden": true,
        "reviewRequired": true,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc4169/",
        "updated": "2026-10-09T16:03:23.286Z",
        "version": "extractDocs.js@commit:8432189beb5c"
      },
      "normative": [
        "RFC2045",
        "RFC2104",
        "RFC2119",
        "RFC2617",
        "RFC3261",
        "RFC3310"
      ],
      "normative$meta": {
        "confidence": "high",
        "note": "Parsed from RFC HTML normative references sections",
        "originalValue": [],
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc4169/",
        "updated": "2026-10-09T15:38:45.577Z",
        "version": "extractDocs.js@commit:12c59e0e1847"
      }
    },
    "resolvedHref": "https://www.rfc-editor.org/info/rfc4169/",
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      "confidence": "high",
      "note": "Final URL resolved via URL redirect verification",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4169/",
      "updated": "2026-10-09T15:38:45.577Z",
      "version": "extractDocs.js@commit:12c59e0e1847"
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        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc4169/",
        "updated": "2026-10-09T15:38:45.577Z",
        "version": "extractDocs.js@commit:12c59e0e1847"
      },
      "errataExist": false,
      "errataExist$meta": {
        "confidence": "high",
        "note": "Derived from presence of errata links on RFC/Datatracker pages",
        "originalValue": null,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc4169/",
        "updated": "2026-10-09T15:38:45.577Z",
        "version": "extractDocs.js@commit:12c59e0e1847"
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      "latestVersion": true,
      "latestVersion$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc4169/",
        "updated": "2026-10-09T15:38:45.577Z",
        "version": "extractDocs.js@commit:12c59e0e1847"
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      "statusNote": "Informational",
      "statusNote$meta": {
        "confidence": "high",
        "note": "Mapped from Datatracker doc.json std_level",
        "originalValue": null,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc4169/",
        "updated": "2026-10-09T15:38:45.577Z",
        "version": "extractDocs.js@commit:12c59e0e1847"
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      "superseded": false,
      "superseded$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc4169/",
        "updated": "2026-10-09T15:38:45.577Z",
        "version": "extractDocs.js@commit:12c59e0e1847"
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}