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    "abstract": "The advent of a cryptographically relevant quantum computer (CRQC) would render state-of-the-art, traditional public key algorithms deployed today obsolete, as the mathematical assumptions underpinning their security would no longer hold. To address this, protocols and infrastructure must transition to post-quantum algorithms, which are designed to resist both traditional and quantum attacks. This document explains why engineers need to be aware of and understand post-quantum cryptography (PQC), and it details the impact of CRQCs on existing systems and the challenges involved in transitioning to post-quantum algorithms. Unlike previous cryptographic updates, this shift may require significant protocol redesign due to the unique properties of post-quantum algorithms.",
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    "authors": [
      {
        "name": "Aritra Banerjee"
      },
      {
        "name": "Tirumaleswar Reddy.K"
      },
      {
        "name": "Dimitrios Schoinianakis"
      },
      {
        "name": "Tim Hollebeek"
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      {
        "name": "Mike Ounsworth"
      }
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      "confidence": "high",
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      "source": "parsed",
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      "updated": "2026-10-20T21:48:07.129Z",
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      "confidence": "high",
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      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc9958/",
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      "confidence": "high",
      "note": "From the RFC index entry (rfc-index.xml <doc-id>)",
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      "source": "parsed",
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    "docTitle": "Post-Quantum Cryptography for Engineers",
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      "confidence": "high",
      "note": "Parsed from RFC index XML title",
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      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc9958/",
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      "confidence": "high",
      "note": "Mapped from Datatracker std_level or RFC status text",
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    "doi": "10.17487/RFC9958",
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      "confidence": "high",
      "note": "Parsed from RFC index XML doi",
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      "updated": "2026-10-20T21:48:07.129Z",
      "version": "extractDocs.js@commit:92f3ced618ff"
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    "href": "https://doi.org/10.17487/RFC9958",
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      "confidence": "high",
      "note": "Derived from DOI (https://doi.org/<doi>)",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc9958/",
      "updated": "2026-10-20T21:48:07.129Z",
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      "confidence": "high",
      "note": "Parsed from RFC index XML keywords",
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      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc9958/",
      "updated": "2026-10-20T21:48:07.129Z",
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      "confidence": "high",
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      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc9958/",
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      "confidence": "high",
      "note": "Parsed from RFC index XML date",
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      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc9958/",
      "updated": "2026-10-20T21:48:07.129Z",
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        "IETF.draft-irtf-cfrg-bbs-signatures-10",
        "IETF.draft-ietf-pquip-pqc-hsm-constrained-05",
        "IETF.draft-bonnell-lamps-chameleon-certs-07",
        "10.1137-0217017",
        "10.1103-PhysRevA.60.2746",
        "IETF.draft-ietf-pquip-hybrid-signature-spectrums-07",
        "IETF.draft-ounsworth-cfrg-kem-combiners-05",
        "10.1007-978-3-030-17259-6_19",
        "10.1007-978-3-030-45727-3_1",
        "GITHUB.open-quantum-safe.liboqs",
        "10.1109-OJCS.2022.3198073",
        "IETF.draft-ietf-lamps-pq-composite-sigs-19",
        "IETF.draft-ietf-hpke-pq-04",
        "IETF.draft-irtf-cfrg-hybrid-kems-11",
        "IETF.draft-ietf-mls-combiner-02",
        "RFC5652",
        "RFC9528",
        "RFC9763",
        "RFC9794",
        "RFC9814",
        "RFC9941",
        "10.1007-s13389-023-00315-3",
        "ISBN.9781718503847",
        "NIST.SP.800-56Cr2",
        "IETF.draft-ietf-tls-hybrid-design-16",
        "IETF.draft-connolly-cfrg-xwing-kem-10",
        "orphan/RFC9958/h:5a25a302",
        "orphan/RFC9958/h:06517e5b",
        "orphan/RFC9958/h:d360772a",
        "orphan/RFC9958/h:62eb6038",
        "orphan/RFC9958/h:4df8ce71",
        "orphan/RFC9958/h:095d96a4",
        "orphan/RFC9958/h:4b45a28a",
        "orphan/RFC9958/h:e97e1b4f",
        "orphan/RFC9958/h:ca115ed9",
        "orphan/RFC9958/h:98165fdb",
        "orphan/RFC9958/h:dcce9167",
        "orphan/RFC9958/h:b96a4681",
        "orphan/RFC9958/h:ef66d3a2",
        "orphan/RFC9958/h:7fea4192",
        "orphan/RFC9958/h:b01153f9",
        "orphan/RFC9958/h:80eeb62e",
        "orphan/RFC9958/h:74c6b54f",
        "orphan/RFC9958/h:7ca49b61",
        "orphan/RFC9958/h:79f2382f",
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        "orphan/RFC9958/h:ff4b6b8a",
        "orphan/RFC9958/h:1e3c1a2d",
        "orphan/RFC9958/h:134f76ef",
        "orphan/RFC9958/h:0fa4250c",
        "orphan/RFC9958/h:e3a839d9",
        "orphan/RFC9958/h:05a2b36d",
        "orphan/RFC9958/h:620a0985",
        "orphan/RFC9958/h:e2a7585c",
        "orphan/RFC9958/h:2c1d0e3c",
        "orphan/RFC9958/h:6a35de1f",
        "orphan/RFC9958/h:e922622d",
        "orphan/RFC9958/h:1dab74f7"
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        "confidence": "high",
        "note": "Parsed from RFC HTML references/informative sections",
        "originalValue": [],
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc9958/",
        "updated": "2026-10-20T21:48:07.129Z",
        "version": "extractDocs.js@commit:92f3ced618ff"
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        "NIST.FIPS.204",
        "NIST.FIPS.203",
        "RFC4034",
        "RFC6090",
        "RFC8235",
        "RFC8391",
        "RFC8446",
        "RFC8554",
        "RFC9180",
        "RFC9242",
        "RFC9370",
        "RFC9881",
        "10.1145-359340.359342",
        "NIST.FIPS.205",
        "orphan/RFC9958/h:7957ec80",
        "orphan/RFC9958/h:71691cb5",
        "orphan/RFC9958/h:46392258",
        "orphan/RFC9958/h:74b1c6d0",
        "orphan/RFC9958/h:dbea3e91"
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        "confidence": "high",
        "note": "Parsed from RFC HTML normative references sections",
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        "updated": "2026-10-20T21:48:07.129Z",
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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/rfc9958/",
      "updated": "2026-10-20T21:48:07.129Z",
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      "active$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc9958/",
        "updated": "2026-10-20T21:48:07.129Z",
        "version": "extractDocs.js@commit:92f3ced618ff"
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      "errataExist$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/rfc9958/",
        "updated": "2026-10-20T21:48:07.129Z",
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      "errataUrl": [
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        "https://www.rfc-editor.org/errata_search.php?rfc=9958",
        "https://www.rfc-editor.org/rfc/inline-errata/rfc9958.html"
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        "confidence": "high",
        "note": "Parsed from errata links on RFC/Datatracker pages",
        "originalValue": [],
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc9958/",
        "updated": "2026-10-20T21:48:07.129Z",
        "version": "extractDocs.js@commit:92f3ced618ff"
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      "latestVersion$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc9958/",
        "updated": "2026-10-20T21:48:07.129Z",
        "version": "extractDocs.js@commit:92f3ced618ff"
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        "confidence": "high",
        "note": "Mapped from Datatracker doc.json std_level",
        "originalValue": null,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc9958/",
        "updated": "2026-10-20T21:48:07.129Z",
        "version": "extractDocs.js@commit:92f3ced618ff"
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      "superseded$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc9958/",
        "updated": "2026-10-20T21:48:07.129Z",
        "version": "extractDocs.js@commit:92f3ced618ff"
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}