74 lines
3.4 KiB
Protocol Buffer
74 lines
3.4 KiB
Protocol Buffer
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// Copyright 2019 The Grafeas Authors. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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syntax = "proto3";
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package grafeas.v1;
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import "grafeas/v1/common.proto";
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option go_package = "google.golang.org/genproto/googleapis/grafeas/v1;grafeas";
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option java_multiple_files = true;
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option java_package = "io.grafeas.v1";
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option objc_class_prefix = "GRA";
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// An attestation wrapper with a PGP-compatible signature. This message only
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// supports `ATTACHED` signatures, where the payload that is signed is included
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// alongside the signature itself in the same file.
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// Note kind that represents a logical attestation "role" or "authority". For
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// example, an organization might have one `Authority` for "QA" and one for
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// "build". This note is intended to act strictly as a grouping mechanism for
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// the attached occurrences (Attestations). This grouping mechanism also
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// provides a security boundary, since IAM ACLs gate the ability for a principle
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// to attach an occurrence to a given note. It also provides a single point of
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// lookup to find all attached attestation occurrences, even if they don't all
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// live in the same project.
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message AttestationNote {
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// This submessage provides human-readable hints about the purpose of the
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// authority. Because the name of a note acts as its resource reference, it is
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// important to disambiguate the canonical name of the Note (which might be a
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// UUID for security purposes) from "readable" names more suitable for debug
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// output. Note that these hints should not be used to look up authorities in
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// security sensitive contexts, such as when looking up attestations to
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// verify.
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message Hint {
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// Required. The human readable name of this attestation authority, for
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// example "qa".
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string human_readable_name = 1;
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}
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// Hint hints at the purpose of the attestation authority.
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Hint hint = 1;
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}
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// Occurrence that represents a single "attestation". The authenticity of an
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// attestation can be verified using the attached signature. If the verifier
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// trusts the public key of the signer, then verifying the signature is
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// sufficient to establish trust. In this circumstance, the authority to which
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// this attestation is attached is primarily useful for lookup (how to find
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// this attestation if you already know the authority and artifact to be
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// verified) and intent (for which authority this attestation was intended to
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// sign.
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message AttestationOccurrence {
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// Required. The serialized payload that is verified by one or more
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// `signatures`.
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bytes serialized_payload = 1;
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// One or more signatures over `serialized_payload`. Verifier implementations
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// should consider this attestation message verified if at least one
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// `signature` verifies `serialized_payload`. See `Signature` in common.proto
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// for more details on signature structure and verification.
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repeated Signature signatures = 2;
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}
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