Qt 中文及字符混合加密，双重加密解密

#include "Encryptionn.h" #include <QDebug> Encryptionn::Encryptionn(QWidget *parent) : QWidget(parent) { QString plainTextStr = "你好!啊發到付ABC"; QByteArray plainText = plainTextStr.toLocal8Bit(); QByteArray a= encryption(plainText); qInfo()<<"加密 = "<<a; QByteArray encry = getXorEncryptDecrypt(a, ','); qInfo()<<"加密encry = "<<encry; QByteArray plain = getXorEncryptDecrypt(encry, ','); qInfo()<<"解密plain = "<<plain; QByteArray b = Deciphering(plain); QString str = QString::fromLocal8Bit(b); qInfo()<<"解密 = "<<str; } Encryptionn::~Encryptionn() { } QByteArray Encryptionn::encryption(QByteArray plaintextStr) { QByteArray ciphertext = plaintextStr.toBase64(); return ciphertext; } QByteArray Encryptionn::encryption(QString plaintextStr) { QByteArray plainByte = plaintextStr.toLocal8Bit(); return encryption(plainByte); } QByteArray Encryptionn::Deciphering(const QByteArray ciphertext) { QByteArray plaintext = QByteArray::fromBase64(ciphertext); return plaintext; } QByteArray Encryptionn::getXorEncryptDecrypt(const QByteArray &str, const char &key) { QByteArray bs = str; for(int i=0; i<bs.size(); i++){ bs[i] = bs[i] ^ key; } return bs; }