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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
syntax = "proto2";
option optimize_for = LITE_RUNTIME;
package biod;
option go_package = "go.chromium.org/chromiumos/system_api/biod_messages_proto";
import "constants.proto";
// Included in biod's AuthScanDone signal
message FingerprintMessage {
oneof msg {
FingerprintError error = 1;
ScanResult scan_result = 2;
}
}
// Returned from biod's GetNonce method.
message GetNonceReply {
optional bytes nonce = 1;
}
// Included in biod's EnrollScanDone signal.
message EnrollScanDone {
optional ScanResult scan_result = 1;
optional bool done = 2;
optional int32 percent_complete = 3;
optional bytes auth_nonce = 4;
}
// Included in AuthStackManager's AuthScanDone signal.
message AuthScanDone {
optional bytes auth_nonce = 1;
}
message StartEnrollSessionRequest {
optional bytes gsc_nonce = 1;
optional bytes encrypted_label_seed = 2;
optional bytes iv = 3;
}
// Returned from biod's StartEnrollSession method.
message StartEnrollSessionReply {
optional FingerprintError error = 1;
}
message StartAuthSessionRequest {
optional bytes user_id = 1;
optional bytes gsc_nonce = 2;
optional bytes encrypted_label_seed = 3;
optional bytes iv = 4;
}
// Returned from biod's StartAuthSession method.
message StartAuthSessionReply {
optional FingerprintError error = 1;
}
// Included in StatusChanged signal.
message BiometricsManagerStatusChanged {
optional BiometricsManagerStatus status = 1;
}
message FpPublicKey {
optional bytes x = 1;
optional bytes y = 2;
}
message CreateCredentialRequest {
optional FpPublicKey pub = 1;
}
message CreateCredentialReply {
// These values are persisted to logs. Entries should not be renumbered and
// numeric values should never be reused. Please update biod_metrics.cc and
// histograms.xml if new variants are added.
enum CreateCredentialStatus {
UNKNOWN = 0;
SUCCESS = 1;
INCORRECT_STATE = 2; // biod isn't ready for creating credential.
NO_TEMPLATE = 3; // failed to retrieve template from AuthStack.
NO_SECRET = 4; // failed to retrieve secrets from AuthStack.
CREATE_RECORD_FAILED = 5; // failed to create record for the template.
}
optional CreateCredentialStatus status = 1;
optional bytes encrypted_secret = 2;
optional bytes iv = 3;
optional FpPublicKey pub = 4;
optional string record_id = 5;
}
message AuthenticateCredentialRequest {
optional FpPublicKey pub = 1;
}
message AuthenticateCredentialReply {
// These values are persisted to logs. Entries should not be renumbered and
// numeric values should never be reused. Please update biod_metrics.cc and
// histograms.xml if new variants are added.
enum AuthenticateCredentialStatus {
UNKNOWN = 0;
SUCCESS = 1;
INCORRECT_STATE = 2; // biod isn't ready for authenticating credential.
SET_NONCE_FAILED = 3; // Failed to establish nonce session.
UPLOAD_TEMPLATES_FAILED = 4; // Failed to upload templates for match.
MATCH_FAILED = 5; // The match command itself failed.
NO_TEMPLATES = 6; // AuthStack reports there are no templates to match.
NO_SECRET = 7; // Failed to retrieve match secret.
INTERNAL_ERROR = 8; // AuthStack internal error.
}
optional AuthenticateCredentialStatus status = 1;
optional ScanResult scan_result = 2;
optional bytes encrypted_secret = 3;
optional bytes iv = 4;
optional FpPublicKey pub = 5;
optional string record_id = 6;
}
message DeleteCredentialRequest {
optional string user_id = 1;
optional string record_id = 2;
}
message DeleteCredentialReply {
// These values are persisted to logs. Entries should not be renumbered and
// numeric values should never be reused. Please update biod_metrics.cc and
// histograms.xml if new variants are added.
enum DeleteCredentialStatus {
UNKNOWN = 0;
SUCCESS = 1;
INCORRECT_STATE = 2;
// The credential to delete doesn't exist. No need for deletion.
NOT_EXIST = 3;
// The credential to delete exists, but deletion failed.
DELETION_FAILED = 4;
}
optional DeleteCredentialStatus status = 1;
}
message EnrollLegacyTemplateRequest {
optional bytes legacy_record_id = 1;
optional bytes gsc_nonce = 2;
optional bytes encrypted_label_seed = 3;
optional bytes iv = 4;
}
message LegacyRecord {
optional string legacy_record_id = 1;
// user supplied description of the finger.
optional string label = 2;
}
message ListLegacyRecordsReply {
// These values are persisted to logs. Entries should not be renumbered and
// numeric values should never be reused. Please update biod_metrics.cc and
// histograms.xml if new variants are added.
enum ListLegacyRecordsStatus {
UNKNOWN = 0;
SUCCESS = 1;
INCORRECT_STATE = 2; // E.g., no user is logged in.
}
optional ListLegacyRecordsStatus status = 2;
repeated LegacyRecord legacy_records = 1;
}
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