C++ 使用异或对字符串进行简单加密
https://blog.csdn.net/fwb330198372/article/details/84637137
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| int key[] = { 1,2,3,4,5,6,7};
void encryption(string& c, int key[]) {
int len = c.size();
for (int i = 0; i < len; i++) {
c[i] = c[i] ^ key[i % 7];
}
}
void decode(string& c, int key[]) {
int len = c.size();
for (int i = 0; i < len; i++) {
c[i] = c[i] ^ key[i % 7];
}
}
int main(int argc, char* argv[]) {
std::string str = "hello world!";
std::cout << "原文：" << str << std::endl;
encryption(str, key);
std::cout << "加密后密文：" << str << std::endl;
decode(str, key);
std::cout << "解密后密文：" << str << std::endl;
return 0;
}
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