{
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    "abstract": "This document describes three Elliptic Curve Cryptography (ECC) groups for use in the Internet Key Exchange (IKE) and Internet Key Exchange version 2 (IKEv2) protocols in addition to previously defined groups. These groups are based on modular arithmetic rather than binary arithmetic. These groups are defined to align IKE and IKEv2 with other ECC implementations and standards, particularly NIST standards. In addition, the curves defined here can provide more efficient implementation than previously defined ECC groups. This document obsoletes RFC 4753. This document is not an Internet Standards Track specification; it is published for informational purposes.",
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    "authors": [
      {
        "name": "David E. Fu"
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      {
        "name": "Jerome Solinas"
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      "confidence": "high",
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      "originalValue": null,
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    "docNumber": "5903",
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      "confidence": "high",
      "note": "Parsed from RFC info page report metadata",
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    "docTitle": "Elliptic Curve Groups modulo a Prime (ECP Groups) for IKE and IKEv2",
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      "confidence": "high",
      "note": "Parsed from RFC index XML title",
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      "confidence": "high",
      "note": "Mapped from Datatracker std_level or RFC status text",
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      "updated": "2026-10-13T18:23:00.924Z",
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    },
    "doi": "10.17487/RFC5903",
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      "confidence": "high",
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      "originalValue": null,
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      "confidence": "high",
      "note": "Derived from DOI (https://doi.org/<doi>)",
      "originalValue": null,
      "source": "resolved",
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      "Elliptic Curve Cryptography",
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      "ECDH",
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      "confidence": "high",
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      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5903/",
      "updated": "2026-10-13T18:23:00.924Z",
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      "confidence": "high",
      "note": "Parsed from RFC index XML page-count",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5903/",
      "updated": "2026-10-13T18:23:00.924Z",
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    },
    "publicationDate": "2010-06-01",
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      "confidence": "high",
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      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5903/",
      "updated": "2026-10-13T18:23:00.924Z",
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      "source": "parsed",
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      "bibliographic": [
        "NIST.FIPS.197",
        "NIST.FIPS.186-2",
        "IEEE.STD1363.2000",
        "ISO.14888-3.2006",
        "ISO.15946-1.2002",
        "ISO.15946-2.2002",
        "ISO.15946-3.2002",
        "ISO.15946-4.2004",
        "ISO.18031.2005",
        "NIST.SP.800-56A",
        "ANSI.X9.62.1998",
        "ANSI.X9.62.2005",
        "ANSI.X9.63.2001",
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        "orphan/RFC5903/h:1795a30f"
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        "version": "extractDocs.js@commit:6d30695438dd"
      },
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        "RFC4306",
        "RFC2119",
        "RFC4753",
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        "orphan/RFC5903/h:67bb411b"
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        "confidence": "high",
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        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc5903/",
        "updated": "2026-10-13T18:23:00.924Z",
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      "errataExist": true,
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        "confidence": "high",
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        "originalValue": null,
        "source": "parsed",
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      "errataUrl": [
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        "confidence": "high",
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        "confidence": "high",
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        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc5903/",
        "updated": "2026-10-13T18:23:00.924Z",
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        "confidence": "high",
        "note": "Mapped from Datatracker doc.json std_level",
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        "source": "parsed",
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        "updated": "2026-10-13T18:23:00.924Z",
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        "confidence": "high",
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        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc5903/",
        "updated": "2026-10-13T18:23:00.924Z",
        "version": "extractDocs.js@commit:6d30695438dd"
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        "confidence": "high",
        "note": "Parsed from RFC index XML",
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