添加AILink广播设备解密方法

AILinkSecretTool.framework/Headers/ELEncryptTool.h

 + (NSData *)encryptXOR:(NSData *)macXOR deviceTypeXOR:(NSData *)deviceTypeXOR withXORData:(NSData *)dataXOR;
 
 
+/// AILink广播设备(广播体脂秤、广播营养秤)解密方法
+/// @param encryptData 广播数据中加密数据
++ (NSData *)broadcastDecryptTEA:(NSData * _Nonnull)encryptData cid:(Byte)cid vid:(Byte)vid pid:(Byte)pid;
+
 @end
 
 NS_ASSUME_NONNULL_END

AILinkSecretTool.framework/_CodeSignature/CodeResources

 	<dict>
 		<key>Headers/ELEncryptTool.h</key>
 		<data>
-		9l+9JY8Tj2oxZTOPq1Cm+CDSw3c=
+		V9LzNc2XZCWjrfFm/x/2Yf+d+Lc=
 		</data>
 		<key>Headers/ELSDKHeader.h</key>
 		<data>
 		<dict>
 			<key>hash</key>
 			<data>
-			9l+9JY8Tj2oxZTOPq1Cm+CDSw3c=
+			V9LzNc2XZCWjrfFm/x/2Yf+d+Lc=
 			</data>
 			<key>hash2</key>
 			<data>
-			ys5z9HLJkLqfOhszinVfZTB8fdeuEAd66bW0q4tfv6o=
+			Ml2Tgb1iMRJ8fjf/lTyYMbQLPqZcpfXRaxwjbZ3SVVA=
 			</data>
 		</dict>
 		<key>Headers/ELSDKHeader.h</key>

AILinkSecretToolDemo/AILinkSecretToolDemo/ELBluetoothManager.h

  */
 -(void)bluetoothManagerReceivePassData:(NSData *_Nullable)data;
 
+
+//Call back the scanned broadcast device(回调扫描到的广播设备)
+-(void)bluetoothManagerScanedBroadcastPeripherals:(NSArray<ELPeripheralModel *> *_Nonnull)peripherals;
+
+/// Callback broadcast device data(回调广播设备数据)
+/// @param cid cid
+/// @param vid vid
+/// @param pid pid
+/// @param mac mac地址
+/// @param data Custom data(自定义数据)
+-(void)bleBroadcastWithCid:(int)cid vid:(int)vid pid:(int)pid mac:(NSString *_Nonnull)mac data:(NSData *_Nonnull)data;
+
 @end
 
 
 @property (nonatomic, weak) id<ELBluetoothManagerDelegate> delegate;
 
 
-/** 需要搜索与系统绑定的蓝牙设备 */
-@property (nonatomic, assign) BOOL needScanBindSysDevice;
-
-//设置appkey和secret
-+(void)setAppKey:(NSString *)key appSecret:(NSString *)secret;
-
 //
 +(__kindof ELBluetoothManager * _Nonnull)shareManager;
 

AILinkSecretToolDemo/AILinkSecretToolDemo/ELBluetoothManager.m

 //APP <-> BLE 二者双向交互的UUID，同时有write和notify
 static NSString *const writeAndNotifyCharactisticUUID = @"FFE3";
 
+//AILink广播设备服务UUID
+static NSString *const broadcastServiceUUID = @"F0A0";
+
 //握手超时时间
 static NSInteger const HandShakeTimeout = 5.0;
 
 
 
 @property (nonatomic, strong) NSMutableArray<ELPeripheralModel *> *peripheralArray;//扫描到的外设
-
+//广播设备
+@property(nonatomic, strong) NSMutableArray<ELPeripheralModel *> *broadcastPeripheralArray;
 
 @property (nonatomic, assign) ELBluetoothState state;//蓝牙状态
 @property (nonatomic, assign) BOOL isOn;//
     return _peripheralArray;
 }
 
-
-- (void)setNeedScanBindSysDevice:(BOOL)needScanBindSysDevice {
-    _needScanBindSysDevice = needScanBindSysDevice;
+- (NSMutableArray<ELPeripheralModel *> *)broadcastPeripheralArray {
+    if (_broadcastPeripheralArray == nil) {
+        _broadcastPeripheralArray = [[NSMutableArray alloc] init];
+    }
+    return _broadcastPeripheralArray;
 }
 
+
+
 #pragma mark ============ 自定义方法 ==============
 -(void)startScan{
     
         [self.peripheralArray removeAllObjects];//移除之前扫描的设备
 
         CBUUID *uuid = [CBUUID UUIDWithString:serviceUUID];//serviceUUID
-        [self.centralManager scanForPeripheralsWithServices:@[uuid] options:@{CBCentralManagerScanOptionAllowDuplicatesKey:[NSNumber numberWithBool:YES]}];
+        CBUUID *broadcastUUID = [CBUUID UUIDWithString:broadcastServiceUUID];//广播设备UUID
+        [self.centralManager scanForPeripheralsWithServices:@[uuid,broadcastUUID] options:@{CBCentralManagerScanOptionAllowDuplicatesKey:[NSNumber numberWithBool:YES]}];
         
     }else{
         NSLog(@"please open bluetooth");
             } else {
                 NSLog(@"Other perpheral = %@",advertisementData.description);
             }
+        } else if ([serviceUUIDs.description rangeOfString:broadcastServiceUUID].length) {
+            //MARK: 广播设备
+            if (manufactureData.length != 20) {
+                NSLog(@"Broadcast device error");
+                return;
+            }
+            NSLog(@"=====AILink广播设备:%@", manufactureData);
+            //CID.VID.PID----MAC-------校验和----自定义数据(前8个byte要解密)
+            //0x010101-----06000070b801 3c       6bfae71d19cb18d7 0000
+            Byte byteCid = byte[0];
+            int cid = byte[0] + 65535;
+            int vid = byte[1];
+            int pid = byte[2];
+            //mac地址
+            NSData *macData = [manufactureData subdataWithRange:NSMakeRange(3, 6)];
+            NSString *macStr = [self getBroadcastPeripheralWithData:macData];
+            //回调到广播设备列表
+            [self addBroadcastPeriphralWithName:peripheralName withMacAddress:macStr withRSSI:RSSI.integerValue withPeripheral:peripheral withVendorID:vid withProductID:pid withDeviceType:cid devData:manufactureData];
+            //校验和
+            NSData *chechsumData = [manufactureData subdataWithRange:NSMakeRange(9, 11)];
+            if ([self broadcastChecksum:chechsumData]) {
+                //获取加密数据
+                NSData *data = [manufactureData subdataWithRange:NSMakeRange(10, 8)];
+                //对加密数据进行解密
+                data = [ELEncryptTool broadcastDecryptTEA:data cid:byteCid vid:vid pid:pid];
+                
+                //获取包尾2个byte数据
+                NSData *tailData = [manufactureData subdataWithRange:NSMakeRange(18, 2)];
+                //获取最终的数据
+                NSMutableData *result = [NSMutableData dataWithData:data];
+                [result appendData:tailData];
+                //
+                //在主线程上回调数据
+                dispatch_async(dispatch_get_main_queue(), ^{
+                    if ([self.delegate respondsToSelector:@selector(bleBroadcastWithCid:vid:pid:mac:data:)]) {
+                        [self.delegate bleBroadcastWithCid:cid vid:vid pid:pid mac:macStr data:result];
+                    }
+                });
+                
+            } else {
+                NSLog(@"Broadcast equipment verification failed");
+            }
         }
+        
     }
     
 }
     });
 }
 
+//MARK: 回调广播设备
+- (void)addBroadcastPeriphralWithName:(NSString *)name withMacAddress:(NSString *)mac withRSSI:(NSInteger)rssi withPeripheral:(CBPeripheral *)peripheral withVendorID:(NSInteger)vid withProductID:(NSInteger)pid withDeviceType:(NSInteger)cid devData:(NSData *)devData {
+
+    for (ELPeripheralModel *model in self.broadcastPeripheralArray) {
+        if ([model.macAddress isEqualToString:mac]) {
+            return;
+        }
+    }
+
+    ELPeripheralModel *model = [[ELPeripheralModel alloc] init];
+    model.deviceName = name;
+    model.macAddress = mac;
+    model.rssi = rssi;
+    model.peripheral = peripheral;
+    model.deviceType = cid;
+    model.vendorID = vid;
+    model.productID = pid;
+    model.manufactureData = devData;
+    [self.broadcastPeripheralArray addObject:model];
+//    [self.broadcastPeripheralArray sortUsingFunction:bluetoothManagerPeriphelRSSIsortUsingFunction context:NULL];
+    dispatch_async(dispatch_get_main_queue(), ^{
+        NSArray<ELPeripheralModel *> *peripherals = self.broadcastPeripheralArray.copy;
+        if ([self.delegate respondsToSelector:@selector(bluetoothManagerScanedBroadcastPeripherals:)]) {
+            [self.delegate bluetoothManagerScanedBroadcastPeripherals:peripherals];
+        }
+    });
+}
+
+
 
 //MARK: 获取连接类设备mac地址
 -(NSString *)getMacAddressWithByte:(NSData *)data{
 }
 
 
+-(BOOL)broadcastChecksum:(NSData *)data{
+    if (data.length != 11) {
+        return NO;
+    }else{
+        BOOL is = NO;
+        Byte *bytes = (Byte *)[data bytes];
+        //校验和
+        Byte checksum = 0x00;
+        for (int i=1; i<data.length; i++) {
+            checksum += bytes[i];
+            
+        }
+        if (checksum == bytes[0]) {
+            is = YES;
+        }
+        return is;
+    }
+}
+
+//MARK: 解析广播设备mac地址
+- (NSString *)getBroadcastPeripheralWithData:(NSData *)macData {
+    Byte *macBytes = (Byte *) macData.bytes;
+    NSMutableString *macStr = [[NSMutableString alloc] init];
+    for (NSInteger i = macData.length - 1; i >= 0; i--) {
+        NSString *bStr = [NSString stringWithFormat:@"%02x", macBytes[i]];
+        [macStr appendString:bStr.uppercaseString];
+        if (i > 0) {
+            [macStr appendString:@":"];
+        }
+    }
+    return macStr.copy;
+}
 
 
 @end

AILinkSecretToolDemo/AILinkSecretToolDemo/MyTableViewController.m

     [self.tableView reloadData];
 }
 
+#pragma mark ============ 广播设备 ==============
+- (void)bluetoothManagerScanedBroadcastPeripherals:(NSArray<ELPeripheralModel *> *)peripherals {
+    NSLog(@"---scan broadcast device:%zd",peripherals.count);
+}
+
+- (void)bleBroadcastWithCid:(int)cid vid:(int)vid pid:(int)pid mac:(NSString *)mac data:(NSData *)data {
+    NSLog(@"---receive broadcast device data:%@",data);
+}
+
+
 #pragma mark - Table view data source
 
 - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
         [tableView deleteRowsAtIndexPaths:@[indexPath] withRowAnimation:UITableViewRowAnimationFade];
     } else if (editingStyle == UITableViewCellEditingStyleInsert) {
         // Create a new instance of the appropriate class, insert it into the array, and add a new row to the table view
-    }   
+    }
 }
 */