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https://github.com/mautrix/signal.git
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100 lines
3.4 KiB
Go
100 lines
3.4 KiB
Go
// mautrix-signal - A Matrix-signal puppeting bridge.
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// Copyright (C) 2023 Sumner Evans
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// Copyright (C) 2025 Tulir Asokan
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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package libsignalgo
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/*
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#include "./libsignal-ffi.h"
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*/
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import "C"
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import "runtime"
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type HSMEnclaveClient struct {
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nc noCopy
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ptr *C.SignalHsmEnclaveClient
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}
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func wrapHSMEnclaveClient(ptr *C.SignalHsmEnclaveClient) *HSMEnclaveClient {
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hsmEnclaveClient := &HSMEnclaveClient{ptr: ptr}
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runtime.SetFinalizer(hsmEnclaveClient, (*HSMEnclaveClient).Destroy)
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return hsmEnclaveClient
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}
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func NewHSMEnclaveClient(trustedPublicKey, trustedCodeHashes []byte) (*HSMEnclaveClient, error) {
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var cds C.SignalMutPointerHsmEnclaveClient
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signalFfiError := C.signal_hsm_enclave_client_new(
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&cds,
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BytesToBuffer(trustedPublicKey),
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BytesToBuffer(trustedCodeHashes),
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)
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if signalFfiError != nil {
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return nil, wrapError(signalFfiError)
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}
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return wrapHSMEnclaveClient(cds.raw), nil
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}
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func (hsm *HSMEnclaveClient) mutPtr() C.SignalMutPointerHsmEnclaveClient {
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return C.SignalMutPointerHsmEnclaveClient{hsm.ptr}
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}
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func (hsm *HSMEnclaveClient) constPtr() C.SignalConstPointerHsmEnclaveClient {
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return C.SignalConstPointerHsmEnclaveClient{hsm.ptr}
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}
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func (hsm *HSMEnclaveClient) Destroy() error {
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runtime.SetFinalizer(hsm, nil)
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return wrapError(C.signal_hsm_enclave_client_destroy(hsm.mutPtr()))
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}
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func (hsm *HSMEnclaveClient) InitialRequest() ([]byte, error) {
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var resp C.SignalOwnedBuffer = C.SignalOwnedBuffer{}
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signalFfiError := C.signal_hsm_enclave_client_initial_request(&resp, hsm.constPtr())
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runtime.KeepAlive(hsm)
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if signalFfiError != nil {
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return nil, wrapError(signalFfiError)
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}
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return CopySignalOwnedBufferToBytes(resp), nil
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}
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func (hsm *HSMEnclaveClient) CompleteHandshake(handshakeReceived []byte) error {
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signalFfiError := C.signal_hsm_enclave_client_complete_handshake(hsm.mutPtr(), BytesToBuffer(handshakeReceived))
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runtime.KeepAlive(hsm)
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runtime.KeepAlive(handshakeReceived)
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return wrapError(signalFfiError)
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}
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func (hsm *HSMEnclaveClient) EstablishedSend(plaintext []byte) ([]byte, error) {
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var resp C.SignalOwnedBuffer = C.SignalOwnedBuffer{}
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signalFfiError := C.signal_hsm_enclave_client_established_send(&resp, hsm.mutPtr(), BytesToBuffer(plaintext))
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runtime.KeepAlive(hsm)
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runtime.KeepAlive(plaintext)
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if signalFfiError != nil {
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return nil, wrapError(signalFfiError)
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}
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return CopySignalOwnedBufferToBytes(resp), nil
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}
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func (hsm *HSMEnclaveClient) EstablishedReceive(ciphertext []byte) ([]byte, error) {
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var resp C.SignalOwnedBuffer = C.SignalOwnedBuffer{}
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signalFfiError := C.signal_hsm_enclave_client_established_recv(&resp, hsm.mutPtr(), BytesToBuffer(ciphertext))
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runtime.KeepAlive(hsm)
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runtime.KeepAlive(ciphertext)
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if signalFfiError != nil {
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return nil, wrapError(signalFfiError)
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}
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return CopySignalOwnedBufferToBytes(resp), nil
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}
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