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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// Sync protocol datatype extension for nigori keys.
// Update proto_value_conversions{.h,.cc,_unittest.cc} if you change
// any fields in this file.
syntax = "proto2";
option optimize_for = LITE_RUNTIME;
option retain_unknown_fields = true;
package sync_pb;
import "encryption.proto";
message NigoriKey {
optional string name = 1;
optional bytes user_key = 2;
optional bytes encryption_key = 3;
optional bytes mac_key = 4;
}
message NigoriKeyBag {
repeated NigoriKey key = 2;
}
// Properties of nigori sync object.
message NigoriSpecifics {
optional EncryptedData encryption_keybag = 1;
// Once keystore migration is performed, we have to freeze the keybag so that
// older clients (that don't support keystore encryption) do not attempt to
// update the keybag.
// Previously |using_explicit_passphrase|.
optional bool keybag_is_frozen = 2;
// Obsolete encryption fields. These were deprecated due to legacy versions
// that understand their usage but did not perform encryption properly.
// optional bool deprecated_encrypt_bookmarks = 3;
// optional bool deprecated_encrypt_preferences = 4;
// optional bool deprecated_encrypt_autofill_profile = 5;
// optional bool deprecated_encrypt_autofill = 6;
// optional bool deprecated_encrypt_themes = 7;
// optional bool deprecated_encrypt_typed_urls = 8;
// optional bool deprecated_encrypt_extensions = 9;
// optional bool deprecated_encrypt_sessions = 10;
// optional bool deprecated_encrypt_apps = 11;
// optional bool deprecated_encrypt_search_engines = 12;
// Booleans corresponding to whether a datatype should be encrypted.
// Passwords are always encrypted, so we don't need a field here.
// History delete directives need to be consumable by the server, and
// thus can't be encrypted.
optional bool encrypt_bookmarks = 13;
optional bool encrypt_preferences = 14;
optional bool encrypt_autofill_profile = 15;
optional bool encrypt_autofill = 16;
optional bool encrypt_themes = 17;
optional bool encrypt_typed_urls = 18;
optional bool encrypt_extensions = 19;
optional bool encrypt_sessions = 20;
optional bool encrypt_apps = 21;
optional bool encrypt_search_engines = 22;
// Deprecated on clients where tab sync is enabled by default.
// optional bool sync_tabs = 23;
// If true, all current and future datatypes will be encrypted.
optional bool encrypt_everything = 24;
optional bool encrypt_extension_settings = 25;
optional bool encrypt_app_notifications = 26;
optional bool encrypt_app_settings = 27;
// User device information. Contains information about each device that has a
// sync-enabled Chrome browser connected to the user account.
// This has been moved to the DeviceInfo message.
// repeated DeviceInformation deprecated_device_information = 28;
// Enable syncing favicons as part of tab sync.
optional bool sync_tab_favicons = 29;
// The state of the passphrase required to decrypt |encryption_keybag|.
enum PassphraseType {
// Gaia-based encryption passphrase. Deprecated.
IMPLICIT_PASSPHRASE = 1;
// Keystore key encryption passphrase. Uses |keystore_bootstrap| to
// decrypt |encryption_keybag|.
KEYSTORE_PASSPHRASE = 2;
// Previous Gaia-based passphrase frozen and treated as a custom passphrase.
FROZEN_IMPLICIT_PASSPHRASE = 3;
// User provided custom passphrase.
CUSTOM_PASSPHRASE = 4;
}
optional PassphraseType passphrase_type = 30
[default = IMPLICIT_PASSPHRASE];
// The keystore decryptor token blob. Encrypted with the keystore key, and
// contains the encryption key used to decrypt |encryption_keybag|.
// Only set if passphrase_state == KEYSTORE_PASSPHRASE.
optional EncryptedData keystore_decryptor_token = 31;
// The time (in epoch milliseconds) at which the keystore migration was
// performed.
optional int64 keystore_migration_time = 32;
// The time (in epoch milliseconds) at which a custom passphrase was set.
// Note: this field may not be set if the custom passphrase was applied before
// this field was introduced.
optional int64 custom_passphrase_time = 33;
}
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