50 lines
1.6 KiB
Go
50 lines
1.6 KiB
Go
// mautrix-signal - A Matrix-signal puppeting bridge.
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// Copyright (C) 2023 Sumner Evans
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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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#cgo LDFLAGS: -lsignal_ffi -ldl -lm
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#include "./libsignal-ffi.h"
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*/
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import "C"
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import (
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"context"
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"runtime"
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"time"
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)
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func Encrypt(ctx context.Context, plaintext []byte, forAddress *Address, sessionStore SessionStore, identityKeyStore IdentityKeyStore) (*CiphertextMessage, error) {
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var ciphertextMessage *C.SignalCiphertextMessage
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var now C.uint64_t = C.uint64_t(time.Now().Unix())
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callbackCtx := NewCallbackContext(ctx)
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defer callbackCtx.Unref()
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signalFfiError := C.signal_encrypt_message(
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&ciphertextMessage,
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BytesToBuffer(plaintext),
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forAddress.ptr,
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callbackCtx.wrapSessionStore(sessionStore),
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callbackCtx.wrapIdentityKeyStore(identityKeyStore),
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now,
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)
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runtime.KeepAlive(plaintext)
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runtime.KeepAlive(forAddress)
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if signalFfiError != nil {
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return nil, callbackCtx.wrapError(signalFfiError)
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}
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return wrapCiphertextMessage(ciphertextMessage), nil
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}
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