125 lines
3.5 KiB
Dart
125 lines
3.5 KiB
Dart
import 'dart:convert';
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import 'package:star_lock/blue/blue_manage.dart';
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import 'package:star_lock/blue/sm4Encipher/sm4.dart';
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import '../io_tool/io_manager.dart';
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import '../io_tool/io_tool.dart';
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import '../io_reply.dart';
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import '../io_sender.dart';
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import '../io_type.dart';
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import 'package:crypto/crypto.dart' as crypto;
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List<int>publicKeyDataList = [];
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class GetPrivateKeyCommand extends SenderProtocol {
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String? lockID;
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String? keyID; // 钥匙ID
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String? authUserID; // 钥匙授权人ID
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int? nowTime;
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int? needAuthor;
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List<int>? publicKeyData;
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GetPrivateKeyCommand({
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this.lockID,
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this.keyID,
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this.authUserID,
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this.nowTime,
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this.needAuthor,
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this.publicKeyData
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}) : super(CommandType.getLockPrivateKey);
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@override
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List<int> messageDetail() {
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publicKeyDataList = publicKeyData!;
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List<int> data = [];
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List<int> ebcData = [];
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// print("lockID：${lockID!} lockID.utf8.encode${utf8.encode(lockID!)}");
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// 指令类型
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int type = commandType!.typeValue;
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double typeDouble = type / 256;
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int type1 = typeDouble.toInt();
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int type2 = type % 256;
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data.add(type1);
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data.add(type2);
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// print("type:$type");
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// print("type1:$type1");
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// print("type2:$type2");
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// 锁id
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int lockIDLength = utf8.encode(lockID!).length;
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data.addAll(utf8.encode(lockID!));
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data = getFixedLengthList(data, 40 - lockIDLength);
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//KeyID 40
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int keyIDLength = utf8.encode(keyID!).length;
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data.addAll(utf8.encode(keyID!));
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data = getFixedLengthList(data, 40 - keyIDLength);
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//authUserID 40
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int authUserIDLength = utf8.encode(authUserID!).length;
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data.addAll(utf8.encode(authUserID!));
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data = getFixedLengthList(data, 20 - authUserIDLength);
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//NowTime 4
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// DateTime now = DateTime.now();
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// int timestamp = now.millisecondsSinceEpoch;
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// var d1 = 0x11223344;
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data.add((nowTime! & 0xff000000) >> 24);
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data.add((nowTime! & 0xff0000) >> 16);
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data.add((nowTime! & 0xff00) >> 8);
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data.add((nowTime! & 0xff));
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if (needAuthor == 0) {
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data.add(0);
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} else {
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List<int> authCodeData = [];
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//authUserID
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authCodeData.addAll(utf8.encode(authUserID!));
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//KeyID
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authCodeData.addAll(utf8.encode(keyID!));
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//NowTime 4
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// DateTime now = DateTime.now();
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// int timestamp = now.millisecondsSinceEpoch;
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// var d1 = 0x11223344;
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authCodeData.add((nowTime! & 0xff000000) >> 24);
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authCodeData.add((nowTime! & 0xff0000) >> 16);
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authCodeData.add((nowTime! & 0xff00) >> 8);
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authCodeData.add((nowTime! & 0xff));
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authCodeData.addAll(publicKeyData!);
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// 把KeyID、authUserID、时间戳、公钥通过md5加密之后就是authCode
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var authCode = crypto.md5.convert(authCodeData);
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data.add(authCode.bytes.length);
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data.addAll(authCode.bytes);
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}
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if ((data.length % 16) != 0) {
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int add = (16 - data.length % 16);
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for (int i = 0; i < add; i++) {
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data.add(0);
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}
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}
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print("${commandType!.typeName} SM4Data:$data");
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// 拿到数据之后通过LockId进行SM4 ECB加密 key:544d485f633335373034383064613864
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ebcData = SM4.encrypt(data, key: utf8.encode(BlueManage().connectDeviceName), mode: SM4CryptoMode.ECB);
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return ebcData;
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}
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}
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class GetPrivateKeyReply extends Reply {
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GetPrivateKeyReply.parseData(CommandType commandType, List<int> dataDetail)
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: super.parseData(commandType, dataDetail) {
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data = dataDetail.sublist(2);
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status = data[0];
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// print("getData:$getData");
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}
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}
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