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mautrix-signal/pkg/libsignalgo/devicetransfer.go
2025-01-17 20:05:42 +02:00

52 lines
1.7 KiB
Go

// mautrix-signal - A Matrix-signal puppeting bridge.
// Copyright (C) 2023 Sumner Evans
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
package libsignalgo
/*
#include "./libsignal-ffi.h"
*/
import "C"
import (
"runtime"
)
type DeviceTransferKey struct {
privateKey []byte
}
func GenerateDeviceTransferKey() (*DeviceTransferKey, error) {
var resp C.SignalOwnedBuffer = C.SignalOwnedBuffer{}
signalFfiError := C.signal_device_transfer_generate_private_key(&resp)
if signalFfiError != nil {
return nil, wrapError(signalFfiError)
}
return &DeviceTransferKey{privateKey: CopySignalOwnedBufferToBytes(resp)}, nil
}
func (dtk *DeviceTransferKey) PrivateKeyMaterial() []byte {
return dtk.privateKey
}
func (dtk *DeviceTransferKey) GenerateCertificate(name string, days int) ([]byte, error) {
var resp C.SignalOwnedBuffer = C.SignalOwnedBuffer{}
signalFfiError := C.signal_device_transfer_generate_certificate(&resp, BytesToBuffer(dtk.privateKey), C.CString(name), C.uint32_t(days))
runtime.KeepAlive(dtk)
if signalFfiError != nil {
return nil, wrapError(signalFfiError)
}
return CopySignalOwnedBufferToBytes(resp), nil
}