16) ==> 16 字节串转整数: 转义为short型整数: struct.unpack('<hh', bytes(b'\x01\x00\ ...
bytes callable() chr() classmethod() compile() complex delattr() dict dir() divmod() enumerate() eval() exec() filter() float frozenset getattr() globals() hasattr() hash() hex() id() input() int int.from_bytes() int.to_bytes() isinstance() issubclass() iter() len() list loc...
六、安全增强实践1. 特征加密：对写入特征值进行AES加密from ucryptolib import aesKEY = b'16byteslongkey!!'cipher = aes(KEY, 2) # ECB模式def_irq_handler(self, event, data):if event == bt._IRQ_GATTS_WRITE:# 解密数据 encrypted = self.ble.gatts_read(self.ctrl_handle) decrypted =...
问从micropython中的字节码转换EN众所周知，Java 程序是在 JVM 上运行的，不过 JVM 运行的其实不是 Ja...
USB DeviceInterfaceClass===>Descriptor Hex Dump<===bLength:0x05bDescriptorType:0x240524060001===>Endpoint Descriptor<===bLength:0x07bDescriptorType:0x05bEndpointAddress:0x81 -> Direction:IN- EndpointID:1bmAttributes:0x03 -> Interrupt Transfer TypewMaxPacketSize:0x0008 =0x08 bytesbInterval:0x10 ...
// 字符串转byte stringToBytes(str) { var array = new Uint8Array(str.length); for (var i = 0, l = str.length; i < l; i++) { array[i] = str.charCodeAt(i); } // console.log(array); return array.buffer; }, 注意这个方法使用的是Uint8Array,ESP32用的是buffer.decode('UTF-8...
num_h=hex(num)iflen(num_h)<6: num_h_a=num_h[:3] num_h_b='0x'+num_h[3:]else: num_h_a=num_h[:4] num_h_b='0x'+num_h[4:] byte_num=bytes([int(num_h_a,16),int(num_h_b,16)])else: byte_num=b'\x00'+bytes([num])returnbyte_num#---#函数名:get_photo#描述:...
self.sock.write(premsg,i+2)self.sock.write(msg)#print(hex(len(msg)), hexlify(msg, ":"))self._send_str(self.client_id)ifself.lw_topic:self._send_str(self.lw_topic)self._send_str(self.lw_msg)ifself.userisnotNone:self._send_str(self.user)self._send_str(self.pswd)resp=self.so...
#print(hex(len(pkt)), hexlify(pkt, ":")) self.sock.write(pkt) self._send_str(topic) self.sock.write(qos.to_bytes(1, "little")) while 1: op = self.wait_msg() if op == 0x90: resp = self.sock.read(4) #print(resp) ...
# print(hex(len(pkt)), hexlify(pkt, ":")) self.sock.write(pkt) self._send_str(topic) self.sock.write(qos.to_bytes(1, "little")) while 1: op = self.wait_msg() if op == 0x90: resp = self.sock.read(4) # print(resp) ...