File size: 5,789 Bytes
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"benchmark": "SOV-PQC",
"criteria": {
"alg_agility": "Every signed record names its algorithm, so a verifier need not assume one",
"hybrid_ready": "The format can carry two signatures over one payload (classical + PQC)",
"timestamped": "An RFC 3161 trusted timestamp proves existence before any future break",
"ts_renewal": "RFC 4998 evidence-record renewal, so the proof outlives its own algorithm",
"pqc_option": "A PQC algorithm is present or selectable (ML-DSA, COSE \u221248/\u221249/\u221250)"
},
"subjects_measured": 5,
"subjects_unmeasured": [],
"results": {
"SIGIL J-space chain": {
"alg_agility": {
"pass": false,
"detail": "0/21 signed records name an algorithm"
},
"hybrid_ready": {
"pass": false,
"detail": "0/21 carry a container signature field; a scalar string cannot hold a second signature"
},
"timestamped": {
"pass": false,
"detail": "no RFC 3161 token field found"
},
"ts_renewal": {
"pass": false,
"detail": "no RFC 4998 evidence-record field found"
},
"pqc_option": {
"pass": false,
"detail": "no PQC algorithm named anywhere in the chain"
},
"records": 21,
"signed_records": 21
},
"SOV33 sovereign chain": {
"alg_agility": {
"pass": false,
"detail": "0/3 signed records name an algorithm"
},
"hybrid_ready": {
"pass": false,
"detail": "0/3 carry a container signature field; a scalar string cannot hold a second signature"
},
"timestamped": {
"pass": false,
"detail": "no RFC 3161 token field found"
},
"ts_renewal": {
"pass": false,
"detail": "no RFC 4998 evidence-record field found"
},
"pqc_option": {
"pass": false,
"detail": "no PQC algorithm named anywhere in the chain"
},
"records": 3,
"signed_records": 3
},
"SOV33 composition chain": {
"alg_agility": {
"pass": false,
"detail": "0/2 signed records name an algorithm"
},
"hybrid_ready": {
"pass": false,
"detail": "0/2 carry a container signature field; a scalar string cannot hold a second signature"
},
"timestamped": {
"pass": false,
"detail": "no RFC 3161 token field found"
},
"ts_renewal": {
"pass": false,
"detail": "no RFC 4998 evidence-record field found"
},
"pqc_option": {
"pass": false,
"detail": "no PQC algorithm named anywhere in the chain"
},
"records": 2,
"signed_records": 2
},
"MEOK SOV33 chain": {
"alg_agility": {
"pass": false,
"detail": "0/2 signed records name an algorithm"
},
"hybrid_ready": {
"pass": false,
"detail": "0/2 carry a container signature field; a scalar string cannot hold a second signature"
},
"timestamped": {
"pass": false,
"detail": "no RFC 3161 token field found"
},
"ts_renewal": {
"pass": false,
"detail": "no RFC 4998 evidence-record field found"
},
"pqc_option": {
"pass": false,
"detail": "no PQC algorithm named anywhere in the chain"
},
"records": 2,
"signed_records": 2
},
"C2PA manifest (ours)": {
"alg_agility": {
"pass": true,
"detail": "COSE header carries an alg identifier"
},
"hybrid_ready": {
"pass": false,
"detail": "C2PA \u2264v2.4 defines ONE claim signature per claim \u2014 no hybrid slot exists in the spec, independent of our usage"
},
"timestamped": {
"pass": false,
"detail": "RFC 3161 timestamping is supported by C2PA; our selftest falls back to untimestamped when no TSA is reachable"
},
"ts_renewal": {
"pass": false,
"detail": "no RFC 4998 evidence-record renewal in C2PA \u2264v2.4"
},
"pqc_option": {
"pass": false,
"detail": "C2PA \u2264v2.4 permits ES256/EdDSA/PS256 only \u2014 all classical. RFC 9964 registered ML-DSA COSE \u221248/\u221249/\u221250 in May 2026 but C2PA has not adopted them"
},
"records": 1,
"signed_records": 1
}
},
"per_criterion": {
"alg_agility": {
"pass": 1,
"of": 5,
"criterion": "Every signed record names its algorithm, so a verifier need not assume one"
},
"hybrid_ready": {
"pass": 0,
"of": 5,
"criterion": "The format can carry two signatures over one payload (classical + PQC)"
},
"timestamped": {
"pass": 0,
"of": 5,
"criterion": "An RFC 3161 trusted timestamp proves existence before any future break"
},
"ts_renewal": {
"pass": 0,
"of": 5,
"criterion": "RFC 4998 evidence-record renewal, so the proof outlives its own algorithm"
},
"pqc_option": {
"pass": 0,
"of": 5,
"criterion": "A PQC algorithm is present or selectable (ML-DSA, COSE \u221248/\u221249/\u221250)"
}
},
"composite_score": "REFUSED BY DESIGN \u2014 see module docstring",
"standards": {
"NIST_IR_8547": "EdDSA/ECDSA disallowed after 2035",
"NSA_CNSA_2.0": "PQC support expected from Jan 2027",
"RFC_9964": "ML-DSA COSE identifiers -48/-49/-50, May 2026",
"C2PA_v2.4": "ES256/EdDSA/PS256 only \u2014 classical"
},
"corpus_anchor": {
"corpus_root": "3729b52eb469b77c6501056889460e9fcd45fc0127bc59b002863b28db3ef01d",
"provisions": 417,
"normaliser_version": "1.0.0",
"anchored_at": "2026-07-29T14:07:17.839263+00:00",
"retro": false,
"note": "Anchored at write time by anchored_write.write_result()."
}
} |