mirror of
https://github.com/kidfromjupiter/nearby.git
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74 lines
2.5 KiB
Protocol Buffer
74 lines
2.5 KiB
Protocol Buffer
// Copyright 2023 Google LLC
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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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// https://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 nearby.internal;
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// option cc_api_version = 2;
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// option java_api_version = 2;
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option java_multiple_files = true;
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option java_package = "com.google.nearby.presence";
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option java_outer_classname = "CredentialProto";
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enum IdentityType {
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IDENTITY_TYPE_UNSPECIFIED = 0;
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IDENTITY_TYPE_PRIVATE = 1;
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IDENTITY_TYPE_TRUSTED = 2;
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IDENTITY_TYPE_PUBLIC = 3;
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IDENTITY_TYPE_PROVISIONED = 4;
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}
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// The shared credential is derived from local credential, and distributed to
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// remote devices based on the trust token for identity decryption and
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// authentication.
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message SharedCredential {
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// The randomly generated unique id of the public credential.
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bytes secret_id = 1;
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// 32 bytes of secure random bytes used to derive any symmetric keys needed.
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bytes key_seed = 2;
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// The time in millis from epoch when this credential becomes effective.
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int64 start_time_millis = 3;
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// The time in millis from epoch when this credential expires.
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int64 end_time_millis = 4;
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// The encrypted Metadata in bytes. Encrypted either by the v0 or v1
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// metadata_encryption_key.
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bytes encrypted_metadata_bytes = 5;
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// The tag for verifying metadata_encryption_key.
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bytes metadata_encryption_key_tag = 6;
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// The public key is used to create a secure connection with the device.
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bytes connection_signature_verification_key = 7;
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// The public key is used to verify Advertisement Signature in BT5.0 (v1)
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// specs.
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bytes advertisement_signature_verification_key = 8;
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// The trust type assigned to the credential. The credential is only
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// accessible to contacts assigned with the same token. This field is only
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// visible to the generating device and the server for distribution/provision
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// purposes. Tokens are abstracted (with unnecessary details being removed)
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// when returned to downloading devices.
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IdentityType identity_type = 9;
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// The version number of this SharedCredential, matches the corresponding
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// protocol version.
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bytes version = 10;
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}
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