C语言异或校验算法的项目实现

#include <stdio.h>
// 计算数据的异或校验码
unsigned char calculate_xor_checksum(const unsigned char* data, size_t length) {
    unsigned char checksum = 0;
    for (size_t i = 0; i < length; i++) {
        checksum ^= data[i];
    }
    return checksum;
}
// 发送数据并附加异或校验码
void send_data_with_xor_checksum(const unsigned char* data, size_t length) {
    // 计算异或校验码
    unsigned char checksum = calculate_xor_checksum(data, length);
    // 发送数据
    printf("发送数据：");
    for (size_t i = 0; i < length; i++) {
        printf("%02X ", data[i]);
    }
    printf(" 异或校验码：%02X\n", checksum);
}
int main() {
    unsigned char data[] = { 0x12, 0x34, 0x56, 0x78 };
    send_data_with_xor_checksum(data, sizeof(data));
    return 0;
}

#include <stdio.h>
// 验证数据的异或校验码
int validate_xor_checksum(const unsigned char* data, size_t length, unsigned char checksum) {
    unsigned char calculated_checksum = calculate_xor_checksum(data, length);
    return (checksum == calculated_checksum);
}
// 接收数据并验证异或校验码
void receive_data_with_xor_checksum(const unsigned char* data, size_t length, unsigned char checksum) {
    printf("接收数据：");
    for (size_t i = 0; i < length; i++) {
        printf("%02X ", data[i]);
    }
    // 验证异或校验码
    if (validate_xor_checksum(data, length, checksum)) {
        printf(" 异或校验通过\n");
    } else {
        printf(" 异或校验失败\n");
    }
}
int main() {
    unsigned char received_data[] = { 0x12, 0x34, 0x56, 0x78 };
    unsigned char received_checksum = 0xAB;
    receive_data_with_xor_checksum(received_data, sizeof(received_data), received_checksum);
    return 0;
}