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Class swarmauri_cipher_suite_sigstore.SigstoreCipherSuite.SigstoreCipherSuite

swarmauri_cipher_suite_sigstore.SigstoreCipherSuite.SigstoreCipherSuite

Bases: CipherSuiteBase

Sigstore / Cosign policy bundle.

suite_id 

suite_id()
Source code in swarmauri_cipher_suite_sigstore/SigstoreCipherSuite.py 
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def suite_id(self) -> str:
    return "sigstore"

supports 

supports()
Source code in swarmauri_cipher_suite_sigstore/SigstoreCipherSuite.py 
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def supports(self) -> Mapping[CipherOp, Iterable[Alg]]:
    return {"sign": _SIG_ALGS, "verify": _SIG_ALGS}

default_alg 

default_alg(op, *, for_key=None)
Source code in swarmauri_cipher_suite_sigstore/SigstoreCipherSuite.py 
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def default_alg(self, op: CipherOp, *, for_key: Optional[KeyRef] = None) -> Alg:
    return "ES256"

features 

features()
Source code in swarmauri_cipher_suite_sigstore/SigstoreCipherSuite.py 
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def features(self) -> Features:
    return {
        "suite": "sigstore",
        "version": 1,
        "dialects": {"jwa": list(_SIG_ALGS), "sigstore": ["rekor", "tsa:rfc3161"]},
        "ops": {"sign": {"default": "ES256", "allowed": list(_SIG_ALGS)}},
        "constraints": {"tsa": {"required": False}},
        "compliance": {"fips": False},
        "notes": ["Cosign-style transparency log + optional TSA"],
    }

normalize 

normalize(
    *, op, alg=None, key=None, params=None, dialect=None
)
Source code in swarmauri_cipher_suite_sigstore/SigstoreCipherSuite.py 
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def normalize(
    self,
    *,
    op: CipherOp,
    alg: Optional[Alg] = None,
    key: Optional[KeyRef] = None,
    params: Optional[ParamMapping] = None,
    dialect: Optional[str] = None,
) -> NormalizedDescriptor:
    allowed = set(self.supports().get(op, ()))
    chosen = alg or self.default_alg(op)
    if chosen not in allowed:
        raise ValueError(f"{chosen=} not supported in Sigstore suite")

    mapped = {"jwa": chosen, "sigstore": chosen, "provider": chosen}
    return {
        "op": op,
        "alg": chosen,
        "dialect": "jwa" if dialect is None else dialect,
        "mapped": mapped,
        "params": dict(params or {}),
        "constraints": {},
        "policy": self.policy(),
    }