05caa959c4
* Make verifiers composable * fix: remove unused code and improve signature verification logic * fix: simplify abstractions and renamed some things * fix: improve tl interface. * fix: sort out signer/verifier
59 lines
1.3 KiB
Rego
59 lines
1.3 KiB
Rego
package attest
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import rego.v1
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keys := [{
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"id": "6b241993defaba26558c64f94a94303ce860e7ad9163d801495c91cf57197c75",
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"key": "-----BEGIN PUBLIC KEY-----\nMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEZmicqYSY38DprGr42jU0V3ND0ROj\nzSRH1+yjsxhh0bi52Hh/DuOhrSq2KJ5a09lW3ybnDjljowbkof0Y1i9Oow==\n-----END PUBLIC KEY-----",
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"from": "2023-12-15T14:00:00Z",
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"to": null,
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# this key is still active
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"status": "active",
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"signing-format": "dssev1",
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}]
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provs(pred) := p if {
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res := attest.fetch(pred)
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not res.error
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p := res.value
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}
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atts := union({
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provs("https://slsa.dev/provenance/v0.2"),
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provs("https://spdx.dev/Document"),
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})
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opts := {"keys": keys, "skip_tl": true}
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statements contains s if {
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some att in atts
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res := attest.verify(att, opts)
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not res.error
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s := res.value
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}
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subjects contains subject if {
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some statement in statements
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some subject in statement.subject
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}
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violations contains v if {
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v := {
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"type": "missing_attestation",
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"description": "Attestation missing for subject",
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"attestation": null,
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"details": {},
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}
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}
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result := {
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"success": false,
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"violations": violations,
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"summary": {
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"subjects": subjects,
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"slsa_levels": ["SLSA_BUILD_LEVEL_3"],
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"verifier": "docker-official-images",
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"policy_uri": "https://docker.com/official/policy/v0.1",
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},
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}
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