35     // psi-0.12/src/common.cpp:113:QString encodePassword(const QString &pass, const QString &key)
 36     QString encodePassword(const QString &pass, const QString &key)
 37     {
 38             QString result;
 39             int n1, n2;
 40
 41             if(key.length() == 0)
 42                     return pass;
 43
 44             for(n1 = 0, n2 = 0; n1 < pass.length(); ++n1) {
 45                     ushort x = pass.at(n1).unicode() ^ key.at(n2++).unicode();
 46                     QString hex;
 47                     hex.sprintf("%04x", x);
 48                     result += hex;
 49                     if(n2 >= key.length())
 50                             n2 = 0;
 51             }
 52             return result;
 53     }