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// Copyright (c) 2024 Sumner Evans
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
package backup
import (
"maunium.net/go/mautrix/crypto/signatures"
"maunium.net/go/mautrix/id"
)
// MegolmAuthData is the auth_data when the key backup is created with
// the [id.KeyBackupAlgorithmMegolmBackupV1] algorithm as defined in
// [Section 11.12.3.2.2 of the Spec].
//
// [Section 11.12.3.2.2 of the Spec]: https://spec.matrix.org/v1.9/client-server-api/#backup-algorithm-mmegolm_backupv1curve25519-aes-sha2
type MegolmAuthData struct {
PublicKey id.Ed25519 `json:"public_key"`
Signatures signatures.Signatures `json:"signatures"`
}
type SenderClaimedKeys struct {
Ed25519 id.Ed25519 `json:"ed25519"`
}
// MegolmSessionData is the decrypted session_data when the key backup is created
// with the [id.KeyBackupAlgorithmMegolmBackupV1] algorithm as defined in
// [Section 11.12.3.2.2 of the Spec].
//
// [Section 11.12.3.2.2 of the Spec]: https://spec.matrix.org/v1.9/client-server-api/#backup-algorithm-mmegolm_backupv1curve25519-aes-sha2
type MegolmSessionData struct {
Algorithm id.Algorithm `json:"algorithm"`
ForwardingKeyChain []string `json:"forwarding_curve25519_key_chain"`
SenderClaimedKeys SenderClaimedKeys `json:"sender_claimed_keys"`
SenderKey id.SenderKey `json:"sender_key"`
SessionKey string `json:"session_key"`
}
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