40 lines
1.2 KiB
Swift
40 lines
1.2 KiB
Swift
//
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// Copyright 2024 Signal Messenger, LLC
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// SPDX-License-Identifier: AGPL-3.0-only
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//
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import Foundation
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public import LibSignalClient
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public struct MessageRootBackupKey: BackupKeyMaterial {
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public var credentialType: BackupAuthCredentialType { .messages }
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public let backupKey: BackupKey
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public let backupId: Data
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public let aci: Aci
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public init(accountEntropyPool: AccountEntropyPool, aci: Aci) throws(BackupKeyMaterialError) {
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do {
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let backupKey = try LibSignalClient.AccountEntropyPool.deriveBackupKey(accountEntropyPool.rawData)
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self.init(backupKey: backupKey, aci: aci)
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} catch {
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throw BackupKeyMaterialError.derivationError(error)
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}
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}
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init(data: Data, aci: Aci) throws(BackupKeyMaterialError) {
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do {
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let backupKey = try BackupKey(contents: data)
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self.init(backupKey: backupKey, aci: aci)
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} catch {
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throw BackupKeyMaterialError.derivationError(error)
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}
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}
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private init(backupKey: BackupKey, aci: Aci) {
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self.backupKey = backupKey
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self.backupId = backupKey.deriveBackupId(aci: aci)
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self.aci = aci
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}
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}
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