Replaced rand_value util function with openssl::RandomValue.

Telegram/SourceFiles/api/api_sending.cpp

@@ -8,6 +8,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "api/api_sending.h"
 
 #include "api/api_text_entities.h"
+#include "base/openssl_help.h"
 #include "base/unixtime.h"
 #include "data/data_document.h"
 #include "data/data_photo.h"
@@ -76,7 +77,7 @@ void SendExistingMedia(
 	const auto newId = FullMsgId(
 		peerToChannel(peer->id),
 		session->data().nextLocalMessageId());
-	const auto randomId = rand_value<uint64>();
+	const auto randomId = openssl::RandomValue<uint64>();
 
 	auto flags = NewMessageFlags(peer) | MTPDmessage::Flag::f_media;
 	auto clientFlags = NewMessageClientFlags();
@@ -249,7 +250,7 @@ bool SendDice(Api::MessageToSend &message) {
 	const auto newId = FullMsgId(
 		peerToChannel(peer->id),
 		session->data().nextLocalMessageId());
-	const auto randomId = rand_value<uint64>();
+	const auto randomId = openssl::RandomValue<uint64>();
 
 	auto &histories = history->owner().histories();
 	auto flags = NewMessageFlags(peer) | MTPDmessage::Flag::f_media;

Telegram/SourceFiles/apiwrap.cpp

@@ -4025,7 +4025,7 @@ void ApiWrap::forwardMessages(
 	ids.reserve(count);
 	randomIds.reserve(count);
 	for (const auto item : items) {
-		const auto randomId = rand_value<uint64>();
+		const auto randomId = openssl::RandomValue<uint64>();
 		if (genClientSideMessage) {
 			if (const auto message = item->toHistoryMessage()) {
 				const auto newId = FullMsgId(
@@ -4348,7 +4348,7 @@ void ApiWrap::sendMessage(MessageToSend &&message) {
 		auto newId = FullMsgId(
 			peerToChannel(peer->id),
 			_session->data().nextLocalMessageId());
-		auto randomId = rand_value<uint64>();
+		auto randomId = openssl::RandomValue<uint64>();
 
 		TextUtilities::Trim(sending);
 
@@ -4481,7 +4481,7 @@ void ApiWrap::sendBotStart(not_null<UserData*> bot, PeerData *chat) {
 		sendMessage(std::move(message));
 		return;
 	}
-	const auto randomId = rand_value<uint64>();
+	const auto randomId = openssl::RandomValue<uint64>();
 	request(MTPmessages_StartBot(
 		bot->inputUser,
 		chat ? chat->input : MTP_inputPeerEmpty(),
@@ -4507,7 +4507,7 @@ void ApiWrap::sendInlineResult(
 	const auto newId = FullMsgId(
 		peerToChannel(peer->id),
 		_session->data().nextLocalMessageId());
-	const auto randomId = rand_value<uint64>();
+	const auto randomId = openssl::RandomValue<uint64>();
 
 	auto flags = NewMessageFlags(peer) | MTPDmessage::Flag::f_media;
 	auto clientFlags = NewMessageClientFlags();
@@ -4659,7 +4659,7 @@ void ApiWrap::sendMedia(
 		not_null<HistoryItem*> item,
 		const MTPInputMedia &media,
 		Api::SendOptions options) {
-	const auto randomId = rand_value<uint64>();
+	const auto randomId = openssl::RandomValue<uint64>();
 	_session->data().registerMessageRandomId(randomId, item->fullId());
 
 	sendMediaWithRandomId(item, media, options, randomId);
@@ -4727,7 +4727,7 @@ void ApiWrap::sendAlbumWithUploaded(
 		const MessageGroupId &groupId,
 		const MTPInputMedia &media) {
 	const auto localId = item->fullId();
-	const auto randomId = rand_value<uint64>();
+	const auto randomId = openssl::RandomValue<uint64>();
 	_session->data().registerMessageRandomId(randomId, localId);
 
 	const auto albumIt = _sendingAlbums.find(groupId.raw());
@@ -5275,7 +5275,7 @@ void ApiWrap::createPoll(
 			MTP_int(replyTo),
 			PollDataToInputMedia(&data),
 			MTP_string(),
-			MTP_long(rand_value<uint64>()),
+			MTP_long(openssl::RandomValue<uint64>()),
 			MTPReplyMarkup(),
 			MTPVector<MTPMessageEntity>(),
 			MTP_int(action.options.scheduled)

Telegram/SourceFiles/boxes/add_contact_box.cpp

@@ -10,6 +10,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "lang/lang_keys.h"
 #include "mtproto/sender.h"
 #include "base/flat_set.h"
+#include "base/openssl_help.h"
 #include "boxes/confirm_box.h"
 #include "boxes/confirm_phone_box.h" // ExtractPhonePrefix.
 #include "boxes/photo_crop_box.h"
@@ -382,7 +383,7 @@ void AddContactBox::save() {
 		lastName = QString();
 	}
 	_sentName = firstName;
-	_contactId = rand_value<uint64>();
+	_contactId = openssl::RandomValue<uint64>();
 	_addRequest = _session->api().request(MTPcontacts_ImportContacts(
 		MTP_vector<MTPInputContact>(
 			1,

Telegram/SourceFiles/boxes/create_poll_box.cpp

@@ -30,6 +30,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "base/unique_qptr.h"
 #include "base/event_filter.h"
 #include "base/call_delayed.h"
+#include "base/openssl_help.h"
 #include "window/window_session_controller.h"
 #include "styles/style_layers.h"
 #include "styles/style_boxes.h"
@@ -885,7 +886,7 @@ not_null<Ui::InputField*> CreatePollBox::setupSolution(
 object_ptr<Ui::RpWidget> CreatePollBox::setupContent() {
 	using namespace Settings;
 
-	const auto id = rand_value<uint64>();
+	const auto id = openssl::RandomValue<uint64>();
 	const auto error = lifetime().make_state<Errors>(Error::Question);
 
 	auto result = object_ptr<Ui::VerticalLayout>(this);

Telegram/SourceFiles/boxes/peer_list_controllers.cpp

@@ -7,6 +7,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #include "boxes/peer_list_controllers.h"
 
+#include "base/openssl_help.h"
 #include "boxes/confirm_box.h"
 #include "ui/widgets/checkbox.h"
 #include "ui/ui_utility.h"
@@ -35,7 +36,7 @@ void ShareBotGame(not_null<UserData*> bot, not_null<PeerData*> chat) {
 	auto &histories = history->owner().histories();
 	const auto requestType = Data::Histories::RequestType::Send;
 	histories.sendRequest(history, requestType, [=](Fn<void()> finish) {
-		const auto randomId = rand_value<uint64>();
+		const auto randomId = openssl::RandomValue<uint64>();
 		const auto api = &chat->session().api();
 		history->sendRequestId = api->request(MTPmessages_SendMedia(
 			MTP_flags(0),

Telegram/SourceFiles/calls/calls_call.cpp

@@ -232,7 +232,7 @@ void Call::startOutgoing() {
 	_api.request(MTPphone_RequestCall(
 		MTP_flags(flags),
 		_user->inputUser,
-		MTP_int(rand_value<int32>()),
+		MTP_int(openssl::RandomValue<int32>()),
 		MTP_bytes(_gaHash),
 		MTP_phoneCallProtocol(
 			MTP_flags(MTPDphoneCallProtocol::Flag::f_udp_p2p

Telegram/SourceFiles/calls/calls_group_call.cpp

@@ -24,6 +24,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "data/data_group_call.h"
 #include "data/data_session.h"
 #include "base/global_shortcuts.h"
+#include "base/openssl_help.h"
 #include "webrtc/webrtc_media_devices.h"
 #include "webrtc/webrtc_create_adm.h"
 
@@ -201,7 +202,7 @@ void GroupCall::playConnectingSoundOnce() {
 void GroupCall::start() {
 	_createRequestId = _api.request(MTPphone_CreateGroupCall(
 		_peer->input,
-		MTP_int(rand_value<int32>())
+		MTP_int(openssl::RandomValue<int32>())
 	)).done([=](const MTPUpdates &result) {
 		_acceptFields = true;
 		_peer->session().api().applyUpdates(result);

Telegram/SourceFiles/chat_helpers/field_autocomplete.cpp

@@ -33,6 +33,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "ui/ui_utility.h"
 #include "ui/cached_round_corners.h"
 #include "base/unixtime.h"
+#include "base/openssl_help.h"
 #include "window/window_session_controller.h"
 #include "facades.h"
 #include "styles/style_chat.h"
@@ -636,7 +637,7 @@ void FieldAutocomplete::showAnimated() {
 		return;
 	}
 	if (_cache.isNull()) {
-		_stickersSeed = rand_value<uint64>();
+		_stickersSeed = openssl::RandomValue<uint64>();
 		_scroll->show();
 		_cache = Ui::GrabWidget(this);
 	}

Telegram/SourceFiles/core/utils.h

@@ -117,12 +117,6 @@ inline std::array<char, 32> hashMd5Hex(const void *data, int size) {
 
 // good random (using openssl implementation)
 void memset_rand(void *data, uint32 len);
-template <typename T>
-T rand_value() {
-	T result;
-	memset_rand(&result, sizeof(result));
-	return result;
-}
 
 QString translitRusEng(const QString &rus);
 QString rusKeyboardLayoutSwitch(const QString &from);

Telegram/SourceFiles/data/data_session.cpp

@@ -59,6 +59,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "base/platform/base_platform_info.h"
 #include "base/unixtime.h"
 #include "base/call_delayed.h"
+#include "base/openssl_help.h"
 #include "facades.h" // Notify::switchInlineBotButtonReceived
 #include "app.h"
 #include "styles/style_boxes.h" // st::backgroundSize
@@ -2427,7 +2428,7 @@ PhotoData *Session::photoFromWeb(
 		return nullptr;
 	}
 	return photo(
-		rand_value<PhotoId>(),
+		openssl::RandomValue<PhotoId>(),
 		uint64(0),
 		QByteArray(),
 		base::unixtime::now(),
@@ -2692,7 +2693,7 @@ DocumentData *Session::documentFromWeb(
 		const ImageLocation &thumbnailLocation,
 		const ImageLocation &videoThumbnailLocation) {
 	const auto result = document(
-		rand_value<DocumentId>(),
+		openssl::RandomValue<DocumentId>(),
 		uint64(0),
 		QByteArray(),
 		base::unixtime::now(),
@@ -2714,7 +2715,7 @@ DocumentData *Session::documentFromWeb(
 		const ImageLocation &thumbnailLocation,
 		const ImageLocation &videoThumbnailLocation) {
 	const auto result = document(
-		rand_value<DocumentId>(),
+		openssl::RandomValue<DocumentId>(),
 		uint64(0),
 		QByteArray(),
 		base::unixtime::now(),

Telegram/SourceFiles/data/stickers/data_stickers.cpp

@@ -24,6 +24,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "mtproto/mtproto_config.h"
 #include "ui/toast/toast.h"
 #include "ui/image/image_location_factory.h"
+#include "base/openssl_help.h"
 #include "base/unixtime.h"
 #include "styles/style_chat_helpers.h"
 
@@ -313,7 +314,7 @@ bool Stickers::applyArchivedResultFake() {
 		const auto raw = set.get();
 		if ((raw->flags & MTPDstickerSet::Flag::f_installed_date)
 			&& !(raw->flags & MTPDstickerSet_ClientFlag::f_special)) {
-			if (rand_value<uint32>() % 128 < 64) {
+			if (openssl::RandomValue<uint32>() % 128 < 64) {
 				const auto data = MTP_stickerSet(
 					MTP_flags(raw->flags | MTPDstickerSet::Flag::f_archived),
 					MTP_int(raw->installDate),

Telegram/SourceFiles/history/history_message.cpp

@@ -7,6 +7,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #include "history/history_message.h"
 
+#include "base/openssl_help.h"
 #include "lang/lang_keys.h"
 #include "mainwidget.h"
 #include "mainwindow.h"
@@ -291,7 +292,7 @@ void FastShareMessage(not_null<HistoryItem*> item) {
 		auto generateRandom = [&] {
 			auto result = QVector<MTPlong>(data->msgIds.size());
 			for (auto &value : result) {
-				value = rand_value<MTPlong>();
+				value = openssl::RandomValue<MTPlong>();
 			}
 			return result;
 		};

Telegram/SourceFiles/history/view/controls/history_view_voice_record_bar.cpp

@@ -9,6 +9,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 
 #include "api/api_send_progress.h"
 #include "base/event_filter.h"
+#include "base/openssl_help.h"
 #include "base/unixtime.h"
 #include "boxes/confirm_box.h"
 #include "core/application.h"
@@ -99,7 +100,7 @@ enum class FilterType {
 [[nodiscard]] not_null<DocumentData*> DummyDocument(
 		not_null<Data::Session*> owner) {
 	return owner->document(
-		rand_value<DocumentId>(),
+		openssl::RandomValue<DocumentId>(),
 		uint64(0),
 		QByteArray(),
 		base::unixtime::now(),

Telegram/SourceFiles/inline_bots/inline_bot_result.cpp

@@ -8,6 +8,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "inline_bots/inline_bot_result.h"
 
 #include "api/api_text_entities.h"
+#include "base/openssl_help.h"
 #include "data/data_photo.h"
 #include "data/data_document.h"
 #include "data/data_session.h"
@@ -417,7 +418,7 @@ void Result::createGame(not_null<Main::Session*> session) {
 		return;
 	}
 
-	const auto gameId = rand_value<GameId>();
+	const auto gameId = openssl::RandomValue<GameId>();
 	_game = session->data().game(
 		gameId,
 		0,

Telegram/SourceFiles/media/view/media_view_overlay_widget.cpp

@@ -51,6 +51,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "window/window_session_controller.h"
 #include "window/window_controller.h"
 #include "base/platform/base_platform_info.h"
+#include "base/openssl_help.h"
 #include "base/unixtime.h"
 #include "main/main_account.h"
 #include "main/main_domain.h" // Domain::activeSessionValue.
@@ -2688,7 +2689,7 @@ void OverlayWidget::initThemePreview() {
 
 	const auto weakSession = base::make_weak(&_document->session());
 	const auto path = _document->location().name();
-	const auto id = _themePreviewId = rand_value<uint64>();
+	const auto id = _themePreviewId = openssl::RandomValue<uint64>();
 	const auto weak = Ui::MakeWeak(this);
 	crl::async([=, data = std::move(current)]() mutable {
 		auto preview = GeneratePreview(

Telegram/SourceFiles/mtproto/config_loader.cpp

@@ -7,6 +7,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #include "mtproto/config_loader.h"
 
+#include "base/openssl_help.h"
 #include "mtproto/special_config_request.h"
 #include "mtproto/facade.h"
 #include "mtproto/mtproto_dc_options.h"
@@ -174,7 +175,8 @@ void ConfigLoader::sendSpecialRequest() {
 	}
 
 	const auto weak = base::make_weak(this);
-	const auto index = rand_value<uint32>() % _specialEndpoints.size();
+	const auto index = openssl::RandomValue<uint32>()
+		% _specialEndpoints.size();
 	const auto endpoint = _specialEndpoints.begin() + index;
 	_specialEnumCurrent = specialToRealDcId(endpoint->dcId);
 

Telegram/SourceFiles/mtproto/connection_http.cpp

@@ -7,6 +7,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #include "mtproto/connection_http.h"
 
+#include "base/openssl_help.h"
 #include "base/qthelp_url.h"
 
 namespace MTP {
@@ -20,7 +21,7 @@ constexpr auto kFullConnectionTimeout = crl::time(8000);
 
 HttpConnection::HttpConnection(QThread *thread, const ProxyData &proxy)
 : AbstractConnection(thread, proxy)
-, _checkNonce(rand_value<MTPint128>()) {
+, _checkNonce(openssl::RandomValue<MTPint128>()) {
 	_manager.moveToThread(thread);
 	_manager.setProxy(ToNetworkProxy(proxy));
 }

Telegram/SourceFiles/mtproto/connection_tcp.cpp

@@ -192,11 +192,11 @@ bytes::span TcpConnection::Protocol::VersionD::finalizePacket(
 	Expects(buffer.size() > 2 && buffer.size() < 0x1000003U);
 
 	const auto intsSize = uint32(buffer.size() - 2);
-	const auto padding = rand_value<uint32>() & 0x0F;
+	const auto padding = openssl::RandomValue<uint32>() & 0x0F;
 	const auto bytesSize = intsSize * sizeof(mtpPrime) + padding;
 	buffer[1] = bytesSize;
 	for (auto added = 0; added < padding; added += 4) {
-		buffer.push_back(rand_value<mtpPrime>());
+		buffer.push_back(openssl::RandomValue<mtpPrime>());
 	}
 
 	return bytes::make_span(buffer).subspan(4, 4 + bytesSize);
@@ -244,7 +244,7 @@ TcpConnection::TcpConnection(
 	const ProxyData &proxy)
 : AbstractConnection(thread, proxy)
 , _instance(instance)
-, _checkNonce(rand_value<MTPint128>()) {
+, _checkNonce(openssl::RandomValue<MTPint128>()) {
 }
 
 ConnectionPointer TcpConnection::clone(const ProxyData &proxy) {

Telegram/SourceFiles/mtproto/session_private.cpp

@@ -2518,7 +2518,7 @@ void SessionPrivate::authKeyChecked() {
 		resendAll();
 	} // else receive salt in bad_server_salt first, then try to send all the requests
 
-	_pingIdToSend = rand_value<uint64>(); // get server_salt
+	_pingIdToSend = openssl::RandomValue<uint64>(); // get server_salt
 	_sessionData->queueNeedToResumeAndSend();
 }
 

Telegram/SourceFiles/passport/passport_encryption.cpp

@@ -334,7 +334,7 @@ EncryptedData EncryptData(
 	constexpr auto kFromPadding = kMinPadding + kAlignTo - 1;
 	constexpr auto kPaddingDelta = kMaxPadding - kFromPadding;
 	const auto randomPadding = kFromPadding
-		+ (rand_value<uint32>() % kPaddingDelta);
+		+ (openssl::RandomValue<uint32>() % kPaddingDelta);
 	const auto padding = randomPadding
 		- ((bytes.size() + randomPadding) % kAlignTo);
 	Assert(padding >= kMinPadding && padding <= kMaxPadding);

Telegram/SourceFiles/passport/passport_form_controller.cpp

@@ -1421,7 +1421,7 @@ void FormController::restoreScan(
 void FormController::prepareFile(
 		EditFile &file,
 		const QByteArray &content) {
-	const auto fileId = rand_value<uint64>();
+	const auto fileId = openssl::RandomValue<uint64>();
 	file.fields.size = content.size();
 	file.fields.id = fileId;
 	file.fields.dcId = _controller->session().mainDcId();

Telegram/SourceFiles/platform/mac/notifications_manager_mac.mm

@@ -10,6 +10,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "base/platform/base_platform_info.h"
 #include "platform/platform_specific.h"
 #include "base/platform/mac/base_utilities_mac.h"
+#include "base/openssl_help.h"
 #include "history/history.h"
 #include "ui/empty_userpic.h"
 #include "main/main_session.h"
@@ -229,7 +230,7 @@ private:
 };
 
 Manager::Private::Private(Manager *manager)
-: _managerId(rand_value<uint64>())
+: _managerId(openssl::RandomValue<uint64>())
 , _managerIdString(QString::number(_managerId))
 , _delegate([[NotificationDelegate alloc] initWithManager:manager managerId:_managerId]) {
 	updateDelegate();

Telegram/SourceFiles/storage/details/storage_file_utilities.cpp

@@ -58,7 +58,7 @@ FileKey GenerateKey(const QString &basePath) {
 	path.reserve(basePath.size() + 0x11);
 	path += basePath;
 	do {
-		result = rand_value<FileKey>();
+		result = openssl::RandomValue<FileKey>();
 		path.resize(basePath.size());
 		path += ToFilePart(result);
 	} while (!result || KeyAlreadyUsed(path));

Telegram/SourceFiles/storage/localimageloader.cpp

@@ -58,7 +58,7 @@ PreparedFileThumbnail PrepareFileThumbnail(QImage &&original) {
 		return {};
 	}
 	auto result = PreparedFileThumbnail();
-	result.id = rand_value<uint64>();
+	result.id = openssl::RandomValue<uint64>();
 	const auto scaled = (width > kThumbnailSize || height > kThumbnailSize);
 	const auto scaledWidth = [&] {
 		return (width > height)
@@ -222,7 +222,7 @@ SendMediaReady PreparePeerPhoto(MTP::DcId dcId, PeerId peerId, QImage &&image) {
 	push("b", scaled(320));
 	push("c", std::move(image), jpeg);
 
-	const auto id = rand_value<PhotoId>();
+	const auto id = openssl::RandomValue<PhotoId>();
 	const auto photo = MTP_photo(
 		MTP_flags(0),
 		MTP_long(id),
@@ -402,7 +402,7 @@ void TaskQueueWorker::onTaskAdded() {
 	_inTaskAdded = false;
 }
 
-SendingAlbum::SendingAlbum() : groupId(rand_value<uint64>()) {
+SendingAlbum::SendingAlbum() : groupId(openssl::RandomValue<uint64>()) {
 }
 
 void SendingAlbum::fillMedia(
@@ -496,7 +496,7 @@ FileLoadTask::FileLoadTask(
 	const TextWithTags &caption,
 	std::shared_ptr<SendingAlbum> album,
 	MsgId msgIdToEdit)
-: _id(rand_value<uint64>())
+: _id(openssl::RandomValue<uint64>())
 , _session(session)
 , _dcId(session->mainDcId())
 , _to(to)
@@ -518,7 +518,7 @@ FileLoadTask::FileLoadTask(
 	const VoiceWaveform &waveform,
 	const FileLoadTo &to,
 	const TextWithTags &caption)
-: _id(rand_value<uint64>())
+: _id(openssl::RandomValue<uint64>())
 , _session(session)
 , _dcId(session->mainDcId())
 , _to(to)

Telegram/SourceFiles/storage/localimageloader.h

@@ -7,6 +7,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #pragma once
 
+#include "base/openssl_help.h"
 #include "base/variant.h"
 #include "api/api_common.h"
 #include "ui/chat/attach/attach_prepare.h"
@@ -22,13 +23,47 @@ enum class SendMediaType {
 };
 
 struct SendMediaPrepare {
-	SendMediaPrepare(const QString &file, const PeerId &peer, SendMediaType type, MsgId replyTo) : id(rand_value<PhotoId>()), file(file), peer(peer), type(type), replyTo(replyTo) {
+	SendMediaPrepare(
+		const QString &file,
+		const PeerId &peer,
+		SendMediaType type,
+		MsgId replyTo) : id(openssl::RandomValue<PhotoId>()),
+		file(file),
+		peer(peer),
+		type(type),
+		replyTo(replyTo) {
 	}
-	SendMediaPrepare(const QImage &img, const PeerId &peer, SendMediaType type, MsgId replyTo) : id(rand_value<PhotoId>()), img(img), peer(peer), type(type), replyTo(replyTo) {
+	SendMediaPrepare(
+		const QImage &img,
+		const PeerId &peer,
+		SendMediaType type,
+		MsgId replyTo) : id(openssl::RandomValue<PhotoId>()),
+		img(img),
+		peer(peer),
+		type(type),
+		replyTo(replyTo) {
 	}
-	SendMediaPrepare(const QByteArray &data, const PeerId &peer, SendMediaType type, MsgId replyTo) : id(rand_value<PhotoId>()), data(data), peer(peer), type(type), replyTo(replyTo) {
+	SendMediaPrepare(
+		const QByteArray &data,
+		const PeerId &peer,
+		SendMediaType type,
+		MsgId replyTo) : id(openssl::RandomValue<PhotoId>()),
+		data(data),
+		peer(peer),
+		type(type),
+		replyTo(replyTo) {
 	}
-	SendMediaPrepare(const QByteArray &data, int duration, const PeerId &peer, SendMediaType type, MsgId replyTo) : id(rand_value<PhotoId>()), data(data), peer(peer), type(type), duration(duration), replyTo(replyTo) {
+	SendMediaPrepare(
+		const QByteArray &data,
+		int duration,
+		const PeerId &peer,
+		SendMediaType type,
+		MsgId replyTo) : id(openssl::RandomValue<PhotoId>()),
+		data(data),
+		peer(peer),
+		type(type),
+		duration(duration),
+		replyTo(replyTo) {
 	}
 	PhotoId id;
 	QString file;

Telegram/SourceFiles/window/notifications_utilities.cpp

@@ -8,6 +8,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "window/notifications_utilities.h"
 
 #include "base/platform/base_platform_file_utilities.h"
+#include "base/openssl_help.h"
 #include "core/application.h"
 #include "data/data_peer.h"
 #include "ui/empty_userpic.h"
@@ -59,7 +60,9 @@ QString CachedUserpics::get(
 		} else {
 			v.until = 0;
 		}
-		v.path = cWorkingDir() + qsl("tdata/temp/") + QString::number(rand_value<uint64>(), 16) + qsl(".png");
+		v.path = u"%1tdata/temp/%2.png"_q
+			.arg(cWorkingDir())
+			.arg(QString::number(openssl::RandomValue<uint64>(), 16));
 		if (key.first || key.second) {
 			if (peer->isSelf()) {
 				const auto method = (_type == Type::Rounded)

Telegram/SourceFiles/window/themes/window_theme.cpp

@@ -18,6 +18,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "storage/localstorage.h"
 #include "storage/localimageloader.h"
 #include "storage/file_upload.h"
+#include "base/openssl_help.h"
 #include "base/parse_helper.h"
 #include "base/zlib_help.h"
 #include "base/unixtime.h"
@@ -476,7 +477,7 @@ SendMediaReady PrepareWallPaper(MTP::DcId dcId, const QImage &image) {
 	attributes.push_back(MTP_documentAttributeImageSize(
 		MTP_int(image.width()),
 		MTP_int(image.height())));
-	const auto id = rand_value<DocumentId>();
+	const auto id = openssl::RandomValue<DocumentId>();
 	const auto document = MTP_document(
 		MTP_flags(0),
 		MTP_long(id),

Telegram/SourceFiles/window/themes/window_theme_editor_box.cpp

@@ -32,6 +32,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "base/base_file_utilities.h"
 #include "base/zlib_help.h"
 #include "base/unixtime.h"
+#include "base/openssl_help.h"
 #include "data/data_session.h"
 #include "data/data_document.h"
 #include "data/data_cloud_themes.h"
@@ -341,7 +342,7 @@ bool CopyColorsToPalette(
 	auto result = QString();
 	result.reserve(kRandomSlugSize);
 	for (auto i = 0; i != kRandomSlugSize; ++i) {
-		const auto value = rand_value<uint8>() % values;
+		const auto value = openssl::RandomValue<uint8>() % values;
 		if (value < letters) {
 			result.append(char('A' + value));
 		} else if (value < 2 * letters) {
@@ -447,7 +448,7 @@ SendMediaReady PrepareThemeMedia(
 	auto attributes = QVector<MTPDocumentAttribute>(
 		1,
 		MTP_documentAttributeFilename(MTP_string(filename)));
-	const auto id = rand_value<DocumentId>();
+	const auto id = openssl::RandomValue<DocumentId>();
 	const auto document = MTP_document(
 		MTP_flags(0),
 		MTP_long(id),

Telegram/SourceFiles/window/themes/window_themes_generate_name.cpp

@@ -7,6 +7,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #include "window/themes/window_themes_generate_name.h"
 
+#include "base/openssl_help.h"
+
 namespace Window {
 namespace Theme {
 namespace {
@@ -337,13 +339,13 @@ QString GenerateName(const QColor &accent) {
 		return result;
 	};
 	const auto random = [&](const std::vector<const char*> &values) {
-		const auto index = rand_value<size_t>() % values.size();
+		const auto index = openssl::RandomValue<size_t>() % values.size();
 		return capitalized(values[index]);
 	};
 	const auto min = ranges::min_element(kColors, pred);
 	Assert(min != end(kColors));
 	const auto color = capitalized(min->second);
-	return (rand_value<uint8>() % 2 == 0)
+	return (openssl::RandomValue<uint8>() % 2 == 0)
 		? random(kAdjectives) + ' ' + color
 		: color + ' ' + random(kSubjectives);
 }